Re: [Elecraft] K3 0n motorboat

[Jim Brown]

On 6/9/2020 8:37 PM, Frank C Richards wrote:


I also agree that all structures should be bonded to the counterpoise
system.
Some of the boat builders(Hatteras ,Bertram .etc) would put copper screen
into
the fiberglass layups of the flying bridge decks and roofs with a stud
connected
to it so that it could be tied into the system.


All good advice, to the extent that it applies to the boat in question. 
All the bonded stuff acts like more or less like the chassis of a 
automobile or pickup (except that lots of stuff on modern vehicles 
either isn't conductive, or those that are metal are often insulated 
from each other by paint). :)



On commercial trawlers the antenna would be mounted on the mast about 30 or
35 ft above the water.It was fed with a wire about 25 or 30 ft long so it
was
actually a 55 or 60 ft end-fed.


That would be a pretty good antenna too. I would not recommend an HF 
antenna with an elevated feedpoint (or even an elevated current maxima), 
simply because there's some funny lobing in the vertical pattern that 
happens over water. The best way to feed a vertical on a boat is from 
the base, low, near the water.



With the outriggers lowered and acting as radials, the trawl doors and
cables in the
water and everything else bonded together, it is a pretty good counterpoise
system.


Yes. But remember that THIS question was specifically about a boat 
operating only on fresh water.


73, Jim K9YC

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Jim Brown]

On 6/9/2020 3:54 PM, Barry wrote:

EE is an art and not science


That is NOT even slightly true. ART did not put us on the moon or build 
the Mars rovers. Engineering is the thoughtful application of scientific 
principles and knowledge to solve practical problems. Without science as 
a base, it's little more than the infinite number of monkeys and 
typewriters producing Shakespeare. Nearly all practical designs involve 
some compromises. Great engineering is selecting (sometimes innovating) 
those solutions which work well for the particular problem at hand.


73, Jim K9YC


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Victor Rosenthal 4X6GP]

BS alert!

Their slogan should be: "If you can afford it, you can violate the laws 
of physics."


No, you can't.

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/
.
On 10/06/2020 2:27, Michael Chowning wrote:

Aesthetics, yes.  Cost? Gulp!

https://advancedhfsolutions.com/ 

Mike, N8TTR


On Jun 9, 2020, at 6:32 PM, W2xj  wrote:

aesthetics?

Sent from my iPad


On Jun 9, 2020, at 6:14 PM, Barry  wrote:

Full size verticals are hard to do on small power boats. And elevated grounds 
are also hard. Water grounds are usually the most practical, but fresh water is 
not great. I counsel inverted Vs as they are ground independent. On power boats 
that too is a tough trick, but it can be done, depending on size of the boat. A 
40 meter dipole can be made by bending the ends and can be fed with coax 
through a 4:1 current balun if the run to the radio is not too great. It will 
require a fiberglass mast bracketed to the fly bridge. There are several 
suppliers of good, strong push up masts available; I wouldn't go more than 
about 25 feet which should put the feed about 31 or so feet over the water,m 
close to a 1/4 wave on 40. This arrangement will allow all band operation above 
40 with a K3 as the tuner is just plain magic.

73,
Barry
K3NDM

-- Original Message --
From: "Robert Sands" 
To: "Frank C Richards" 
Cc: "Elecraft Discussion List" 
Sent: 6/9/2020 3:22:27 PM
Subject: Re: [Elecraft] K3 on motorboat.


Verticals require more attention to ground but the goal should be to
increase the antenna current, thus increasing radiated signal. ground into
water seems like a waste but has DC grounding value. I use hung vertical
dipoles (20 and 15) with no need for ground and they work amazingly well. I
have tried letting wire or zinc ribbon  strips drop into saltwater to
ground verticals and there is no value I can detect over something simpler,
like tying to existing structures or running a above water wire
counterpoise. Vertical dipoles require no Rf ground and propagate at low
angle and high efficiency. Far effects over water are what counts, more
than grounding, except in verticals to get higher antenna current.
K7VO


On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:

Having been in the marine electronics business I was able to successfully
install many HF radios on boats from large steel commercial fishing boats




__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to mike.chown...@franciscan.org



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to k2vco@gmail.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 0n motorboat

[W2xj]

again, check with the wife.

Sent from my iPad

> On Jun 9, 2020, at 11:39 PM, Frank C Richards  wrote:
> 
> I used the wrong terminology when I was speaking about antenna system
> grounding on a boat. What I actually meant was a counterpoise system.
> I agree that a vertical dipole works well but would be difficult to install
> permanently
> on a small boat. A vertical is most often used with a tuner. There are
> standard mounts
> and they are pretty easy to install and are sturdy and well suited for
> marine use.
> I also agree that all structures should be bonded to the counterpoise
> system.
> Some of the boat builders(Hatteras ,Bertram .etc) would put copper screen
> into
> the fiberglass layups of the flying bridge decks and roofs with a stud
> connected
> to it so that it could be tied into the system.
> On commercial trawlers the antenna would be mounted on the mast about 30 or
> 35 ft above the water.It was fed with a wire about 25 or 30 ft long so it
> was
> actually a 55 or 60 ft end-fed.
> With the outriggers lowered and acting as radials, the trawl doors and
> cables in the
> water and everything else bonded together, it is a pretty good counterpoise
> system.
> 
> 73, Frank KB4VU
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to w...@w2xj.net 
> 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] K3 0n motorboat

[Frank C Richards]

I used the wrong terminology when I was speaking about antenna system
grounding on a boat. What I actually meant was a counterpoise system.
I agree that a vertical dipole works well but would be difficult to install
permanently
on a small boat. A vertical is most often used with a tuner. There are
standard mounts
and they are pretty easy to install and are sturdy and well suited for
marine use.
I also agree that all structures should be bonded to the counterpoise
system.
Some of the boat builders(Hatteras ,Bertram .etc) would put copper screen
into
the fiberglass layups of the flying bridge decks and roofs with a stud
connected
to it so that it could be tied into the system.
On commercial trawlers the antenna would be mounted on the mast about 30 or
35 ft above the water.It was fed with a wire about 25 or 30 ft long so it
was
actually a 55 or 60 ft end-fed.
With the outriggers lowered and acting as radials, the trawl doors and
cables in the
water and everything else bonded together, it is a pretty good counterpoise
system.

 73, Frank KB4VU
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Nr4c]

If yuh ou use a TRS plug, don’t use the “ring” for anything. 

Extending the pin 1 wire out of the connector and connecting to the radio 
“Ground” lug is also tecvonended in some circles. 

Sent from my iPhone
...nr4c. bill


> On Jun 9, 2020, at 4:51 PM, Tony  wrote:
> 
> All:
> 
> I have a follow-up question regarding balanced mics and unbalanced 
> connections. I'm about to connect a balanced dynamic microphone (Heil PR-781) 
> to the rear mic input on my K3S which has a 1/8" unbalanced mono connection.
> 
> One recommendation was to connect XLR pin #2 mic (+) to the tip of the 1/8" 
> jack and pin #3 mic (-) to the sleeve. In this case, pin #1 or ground is left 
> floating with no connection. A 1/8" mono jack was recommended for this setup.
> 
> The other recommendation was to connect pin #2 to the tip and pin #1 and #3 
> to the sleeve of the 1/8" jack. It was also suggested that I can use either a 
> 1/8" mono or a stereo TRS jack in both cases.
> 
> So which is correct?
> 
> Tony -K2MO
> 
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n...@widomaker.com 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] zero-beating a KX1

[Don Wilhelm]

Sorry, but I did not look at your link until after I sent my response.
While that DIP version may work in a K2, I doubt that it can be squeezed 
into a KX1.

73,
Don W3FPR
--
Scott,

From what source?  The latest was that WA3AAL is also SK.

73,
Don W3FPR

On 6/9/2020 9:38 PM, SCOTT MCDONALD wrote:

http://www.wb9kzy.com/gzb.htm

This Zerobeat kit looks like it’s still available, might be worth a 
look.  If anyone does please report back, I’m still banging away on my 
KX1 as well


Scott ka9p

Make something good happen!


On Jun 9, 2020, at 4:30 PM, Don Wilhelm  wrote:

Tom Hammond N0SS's (SK) website is mostly intact thanks to the Mid 
Missouri Amateur Radio Club.  It is a valuable resource.


You can find the files for the K1 and KX1 CW Tuning Indicator (SMD 
version) at http://www.mmccs.com/mmarc/n0ss/index_k1.html.


If you have capability to etch your own boards, Tom recorded full 
size images.  You might also try emailing Fred at FAR Circuits to see 
if he can create the boards.  I believe Tom may have used him as his 
board supplier.


73,
Don W3FPR

On 6/8/2020 7:33 PM, Frederick Dwight wrote:
If you do a google search on KX1 zero beat indicator or cw zero beat 
indicator you will see several circuits demonstrated.  Some like the 
one which uses the LM567 (non SMT) part and had
a white LED seemed to be good, much less than 100 Hz BW and had the 
schematic, but some others seemed to be much too broad, perhaps 
hundreds of Hz wide. My circuit
needed quite a bit of audio drive, so rigged up a small 500-500 CT 
audio transformer and used the primary as a autotransformer to 
double the audio voltage
to the circuit which did not change the earphone volume but enabled 
the detector to operate without opening up the audio gain too much 
on any of my rigs.

  Good Luck   Rick  KL7CW
Sent from Mail for Windows 10
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to donw...@embarqmail.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to k...@aol.com



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] zero-beating a KX1

[Don Wilhelm]

Scott,

From what source?  The latest was that WA3AAL is also SK.

73,
Don W3FPR

On 6/9/2020 9:38 PM, SCOTT MCDONALD wrote:

http://www.wb9kzy.com/gzb.htm

This Zerobeat kit looks like it’s still available, might be worth a 
look.  If anyone does please report back, I’m still banging away on my 
KX1 as well


Scott ka9p

Make something good happen!


On Jun 9, 2020, at 4:30 PM, Don Wilhelm  wrote:

Tom Hammond N0SS's (SK) website is mostly intact thanks to the Mid 
Missouri Amateur Radio Club.  It is a valuable resource.


You can find the files for the K1 and KX1 CW Tuning Indicator (SMD 
version) at http://www.mmccs.com/mmarc/n0ss/index_k1.html.


If you have capability to etch your own boards, Tom recorded full 
size images.  You might also try emailing Fred at FAR Circuits to see 
if he can create the boards.  I believe Tom may have used him as his 
board supplier.


73,
Don W3FPR

On 6/8/2020 7:33 PM, Frederick Dwight wrote:
If you do a google search on KX1 zero beat indicator or cw zero beat 
indicator you will see several circuits demonstrated.  Some like the 
one which uses the LM567 (non SMT) part and had
a white LED seemed to be good, much less than 100 Hz BW and had the 
schematic, but some others seemed to be much too broad, perhaps 
hundreds of Hz wide. My circuit
needed quite a bit of audio drive, so rigged up a small 500-500 CT 
audio transformer and used the primary as a autotransformer to 
double the audio voltage
to the circuit which did not change the earphone volume but enabled 
the detector to operate without opening up the audio gain too much 
on any of my rigs.

  Good Luck   Rick  KL7CW
Sent from Mail for Windows 10
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to donw...@embarqmail.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to k...@aol.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Don Wilhelm]

Joe,

I did not say anything to the contrary.  The 'dongle' that I was 
referring to is the connection to pin 1 which should be connected to the 
outside of the K3/K3S enclosure.


73,
Don W3FPR

On 6/9/2020 9:13 PM, Joe Subich, W4TV wrote:


On 2020-06-09 8:14 PM, Don Wilhelm wrote:

So --- make an adapter so that pins 2 and 3 are connected to the tip
and ring of the mic jack,

No, no, no!  The ring of the K3/K3S rear panel mic jack *IS FLOATING*.
Pins 2 and 3 of the XLR *MUST BE* connected to tip and *SLEEVE*.

73,

    ... Joe, W4TV


On 2020-06-09 8:14 PM, Don Wilhelm wrote:
So --- make an adapter so that pins 2 and 3 are connected to the tip 
and ring of the mic jack, then add a one wire 'dongle' exiting from 
the XLR plug that is connected to XLR pin 1.  Connect that wire to a 
screw on the chassis of the K3/K3S/KX2/KX3.


Noise, hum and buzz are  then conducted from the shield onto the 
"outside" of the radio enclosure where it should be - avoiding the 
"pin 1" problem that K9YC often refers to.


For those not familiar with the "pin 1" problem, it is caused by the 
jacks in the transceiver (or other gear) being connected to the 
circuit board ground plane where it can couple into sensitive circuits 
and cause coupling problems.  Proper bonding between enclosures 
following the path of audio or coax lines can minimize that problem by 
keeping some of the noise, hum and buzz mostly on the outside of the 
enclosure rather than injecting it into the circuits on the board 
ground plane.
We did not have this problem when we mounted the jacks on the 
enclosure rather than mounting them on the boards, usually isolated 
from the outside of the enclosure.


73,
Don W3FPR

On 6/9/2020 7:47 PM, Joe Subich, W4TV wrote:


Correcting *ALL* the typos  



So which is correct?


They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 3.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 2 and 3.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to donw...@embarqmail.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] zero-beating a KX1

[SCOTT MCDONALD via Elecraft]

http://www.wb9kzy.com/gzb.htm

This Zerobeat kit looks like it’s still available, might be worth a look.  If 
anyone does please report back, I’m still banging away on my KX1 as well

Scott ka9p

Make something good happen!

> On Jun 9, 2020, at 4:30 PM, Don Wilhelm  wrote:
> 
> Tom Hammond N0SS's (SK) website is mostly intact thanks to the Mid Missouri 
> Amateur Radio Club.  It is a valuable resource.
> 
> You can find the files for the K1 and KX1 CW Tuning Indicator (SMD version) 
> at http://www.mmccs.com/mmarc/n0ss/index_k1.html.
> 
> If you have capability to etch your own boards, Tom recorded full size 
> images.  You might also try emailing Fred at FAR Circuits to see if he can 
> create the boards.  I believe Tom may have used him as his board supplier.
> 
> 73,
> Don W3FPR
> 
>> On 6/8/2020 7:33 PM, Frederick Dwight wrote:
>> If you do a google search on KX1 zero beat indicator or cw zero beat 
>> indicator you will see several circuits demonstrated.  Some like the one 
>> which uses the LM567 (non SMT) part and had
>> a white LED seemed to be good, much less than 100 Hz BW and had the 
>> schematic, but some others seemed to be much too broad, perhaps hundreds of 
>> Hz wide. My circuit
>> needed quite a bit of audio drive, so rigged up a small 500-500 CT audio 
>> transformer and used the primary as a autotransformer to double the audio 
>> voltage
>> to the circuit which did not change the earphone volume but enabled the 
>> detector to operate without opening up the audio gain too much on any of my 
>> rigs.
>>   Good Luck   Rick  KL7CW
>> Sent from Mail for Windows 10
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to donw...@embarqmail.com
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to k...@aol.com 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Joe Subich, W4TV]

On 2020-06-09 8:14 PM, Don Wilhelm wrote:

So --- make an adapter so that pins 2 and 3 are connected to the tip
and ring of the mic jack,

No, no, no!  The ring of the K3/K3S rear panel mic jack *IS FLOATING*.
Pins 2 and 3 of the XLR *MUST BE* connected to tip and *SLEEVE*.

73,

   ... Joe, W4TV


On 2020-06-09 8:14 PM, Don Wilhelm wrote:
So --- make an adapter so that pins 2 and 3 are connected to the tip and 
ring of the mic jack, then add a one wire 'dongle' exiting from the XLR 
plug that is connected to XLR pin 1.  Connect that wire to a screw on 
the chassis of the K3/K3S/KX2/KX3.


Noise, hum and buzz are  then conducted from the shield onto the 
"outside" of the radio enclosure where it should be - avoiding the "pin 
1" problem that K9YC often refers to.


For those not familiar with the "pin 1" problem, it is caused by the 
jacks in the transceiver (or other gear) being connected to the circuit 
board ground plane where it can couple into sensitive circuits and cause 
coupling problems.  Proper bonding between enclosures following the path 
of audio or coax lines can minimize that problem by keeping some of the 
noise, hum and buzz mostly on the outside of the enclosure rather than 
injecting it into the circuits on the board ground plane.
We did not have this problem when we mounted the jacks on the enclosure 
rather than mounting them on the boards, usually isolated from the 
outside of the enclosure.


73,
Don W3FPR

On 6/9/2020 7:47 PM, Joe Subich, W4TV wrote:


Correcting *ALL* the typos  



So which is correct?


They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 3.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 2 and 3.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3/100 suddenly shut down on FT8 TX

[James Bennett via Elecraft]

I have not completely followed this thread, but have you tried using a dummy 
load to see if the problem still happens? If it does, can you try a different 
coax between the K3 and the dummy load?

73, Jim / W6JHB

> On Jun 9, 2020, at 3:15 PM, Yoshida Akira  wrote:
> 
> Hi all
> 
> Thanks for more suggestions, however I am not happy.
> I noticed this a several times yesterday when transmitting FT8 with 50W.
> 
> I checked DX cable and connectors. It looks OK. I look at voltage, current 
> and PA Temp
> with internal meter. I do not notice any significant jump just before shut 
> down.
> 
> It is better for me to send K3/100 to JA dealer who checked everything, 
> sometimes
> replaced parts before.
> 
> BTW: my K3/100 s/n 00060  arrived on 2007/12   I still like this radio best.
> 
> Thanks
> 
> 73
> 
> 
> On 2020/06/09 11:33, Yoshida Akira wrote:
>> Hi all
>> 
>> Thanks for suggestions. All look OK to me.
>> 
>> Power supply is Powerwerx ss-30DV. I do not use Powerpole connector
>> in the front panel, instead use terminal in the back panel.
>> 
>> I use this power supply for another TRX also and have never noticed the 
>> problem.
>> 
>> 73
>> 
>> On 2020/06/09 9:00, Yoshida Akira wrote:
>>> Hi all
>>> 
>>> I have never seen this for many years, however I recently noticed twice
>>> when transmitting FT8 with 100W. No alarm and error message.
>>> When I simply push POWER button in front panel then it turns ON again.
>>> 
>>> PA temp, DC voltage and DC current looks good. I do not believe RFI
>>> cause this problem.
>>> 
>>> Any idea ?
>>> 
> -- 
> 73 de aki
> JA1NLX
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to w6...@me.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Josh Fiden]

“Performs Better Than Most 80 FT Antennas.“

The 600W model is almost $10,000. That’s ridiculous. And offensive.

How often is a sucker born? I hope not *this* often. 

73,
Josh W6XU

Sent from my mobile device

>> On Jun 9, 2020, at 4:27 PM, Michael Chowning  
>> wrote:
> Aesthetics, yes.  Cost? Gulp!
> 
> https://advancedhfsolutions.com/ 
> 
>   
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Don Wilhelm]

So --- make an adapter so that pins 2 and 3 are connected to the tip and 
ring of the mic jack, then add a one wire 'dongle' exiting from the XLR 
plug that is connected to XLR pin 1.  Connect that wire to a screw on 
the chassis of the K3/K3S/KX2/KX3.


Noise, hum and buzz are  then conducted from the shield onto the 
"outside" of the radio enclosure where it should be - avoiding the "pin 
1" problem that K9YC often refers to.


For those not familiar with the "pin 1" problem, it is caused by the 
jacks in the transceiver (or other gear) being connected to the circuit 
board ground plane where it can couple into sensitive circuits and cause 
coupling problems.  Proper bonding between enclosures following the path 
of audio or coax lines can minimize that problem by keeping some of the 
noise, hum and buzz mostly on the outside of the enclosure rather than 
injecting it into the circuits on the board ground plane.
We did not have this problem when we mounted the jacks on the enclosure 
rather than mounting them on the boards, usually isolated from the 
outside of the enclosure.


73,
Don W3FPR

On 6/9/2020 7:47 PM, Joe Subich, W4TV wrote:


Correcting *ALL* the typos  



So which is correct?


They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 3.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 2 and 3.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Joe Subich, W4TV]

Correcting *ALL* the typos  



So which is correct?


They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 3.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 2 and 3.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.

73,

   ... Joe, W4TV


On 2020-06-09 4:49 PM, Tony wrote:

All:

I have a follow-up question regarding balanced mics and unbalanced 
connections. I'm about to connect a balanced dynamic microphone (Heil 
PR-781) to the rear mic input on my K3S which has a 1/8" unbalanced mono 
connection.


One recommendation was to connect XLR pin #2 mic (+) to the tip of the 
1/8" jack and pin #3 mic (-) to the sleeve. In this case, pin #1 or 
ground is left floating with no connection. A 1/8" mono jack was 
recommended for this setup.


The other recommendation was to connect pin #2 to the tip and pin #1 and 
#3 to the sleeve of the 1/8" jack. It was also suggested that I can use 
either a 1/8" mono or a stereo TRS jack in both cases.


So which is correct?

Tony -K2MO



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Fred Jensen]

Hmmm ... "Isotropic spherical?"  "Proven to broadcast over 4,000 miles 
with 1 watt?"  Actually, it looks like one of the driven elements of the 
Russian Duga ["Woodpecker"] antenna.  $6K+ seems a little steep.


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 6/9/2020 4:27 PM, Michael Chowning wrote:

Aesthetics, yes.  Cost? Gulp!

https://advancedhfsolutions.com/ 

Mike, N8TTR



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Michael Chowning]

Aesthetics, yes.  Cost? Gulp!

https://advancedhfsolutions.com/ 

   Mike, N8TTR

> On Jun 9, 2020, at 6:32 PM, W2xj  wrote:
> 
> aesthetics? 
> 
> Sent from my iPad
> 
>> On Jun 9, 2020, at 6:14 PM, Barry  wrote:
>> 
>> Full size verticals are hard to do on small power boats. And elevated 
>> grounds are also hard. Water grounds are usually the most practical, but 
>> fresh water is not great. I counsel inverted Vs as they are ground 
>> independent. On power boats that too is a tough trick, but it can be done, 
>> depending on size of the boat. A 40 meter dipole can be made by bending the 
>> ends and can be fed with coax through a 4:1 current balun if the run to the 
>> radio is not too great. It will require a fiberglass mast bracketed to the 
>> fly bridge. There are several suppliers of good, strong push up masts 
>> available; I wouldn't go more than about 25 feet which should put the feed 
>> about 31 or so feet over the water,m close to a 1/4 wave on 40. This 
>> arrangement will allow all band operation above 40 with a K3 as the tuner is 
>> just plain magic.
>> 
>> 73,
>> Barry
>> K3NDM
>> 
>> -- Original Message --
>> From: "Robert Sands" 
>> To: "Frank C Richards" 
>> Cc: "Elecraft Discussion List" 
>> Sent: 6/9/2020 3:22:27 PM
>> Subject: Re: [Elecraft] K3 on motorboat.
>> 
>>> Verticals require more attention to ground but the goal should be to
>>> increase the antenna current, thus increasing radiated signal. ground into
>>> water seems like a waste but has DC grounding value. I use hung vertical
>>> dipoles (20 and 15) with no need for ground and they work amazingly well. I
>>> have tried letting wire or zinc ribbon  strips drop into saltwater to
>>> ground verticals and there is no value I can detect over something simpler,
>>> like tying to existing structures or running a above water wire
>>> counterpoise. Vertical dipoles require no Rf ground and propagate at low
>>> angle and high efficiency. Far effects over water are what counts, more
>>> than grounding, except in verticals to get higher antenna current.
>>> K7VO
>>> 
 On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:
 
 Having been in the marine electronics business I was able to successfully
 install many HF radios on boats from large steel commercial fishing boats
>> 
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to mike.chown...@franciscan.org 
> 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] K3 Macros

[Larry Boekeloo]

Dick Dievendorff put me onto the fix for my Macro Key assignment.

All is good!

Thanks Dick.

Larry, KN8N
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] OT Bluetooth Serial adapters

[Russ Edelen]

Thanks for the comments.

Yes, I am confused as the the advertised capabilities of the various 
models of adapters and tablets. Presently I use a Garmin nuvie 350 but 
would like to move to a larger display.  What I have works and that 
alone may be sufficient.


Some times the mind wanders into the what if.

Russ
KG7VQ
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Barry]

First, electrical engineering is not a science, it's an art as 
compromises must be made. Fresh water is a terrible ground, so using a 
ground independent antenna is a compromise. Yes, a 1/4 wave antenna over 
ground will not be great for DX, but does allowm entering the 40 meter 
nets. Having said that, the antenna will be a 1/2 Wave on 20; that will 
lower the main lobe. You may not get the re-enforcement over fresh 
water, but it's more radiated power than using a vertical with a very 
poor ground system. We can debate the phenomena, but no mater a 
compromise is going to be required. Like I said at the top, EE is an art 
and not science and this artist has chosen to approach a solution swet 
this way. I'm quite sure there are other artists who may have other 
compromises.


73,
Barry
K3NDM


-- Original Message --
From: "Jim Brown" 
To: elecraft@mailman.qth.net
Sent: 6/9/2020 6:24:37 PM
Subject: Re: [Elecraft] K3 on motorboat.


On 6/9/2020 3:13 PM, Barry wrote:

I counsel inverted Vs as they are ground independent.


Not really -- the earth in the near field is lossy (including fresh water) and 
in the reflection from earth in the far field combines with the direct signal 
to produce the vertical pattern. Almost any horizontal antenna for 40M or lower 
that we can rig on a small boat will be a low one, so will be a high angle 
antenna, over fresh water, a lossy one. In general, verticals are better than 
than horizontal antennas over water, fresh or salt, because of the far field 
reflection, as long as a suitable counterpoise is provided.

73, Jim K9YC
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to k3...@comcast.net



--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[W2xj]

check with his wife. 

Sent from my iPad

> On Jun 9, 2020, at 6:44 PM, Barry  wrote:
> 
> This will look like the 23' HF whip used by boaters and the wire can be 
> barely seen. I can't see how this would look much worse than what boaters 
> already do for HF except this will be ground independent.
> 
> -- Original Message --
> From: "W2xj" 
> To: "Barry" 
> Cc: "Robert Sands" ; "Frank C Richards" 
> ; "Elecraft Discussion List" 
> Sent: 6/9/2020 6:32:08 PM
> Subject: Re: [Elecraft] K3 on motorboat.
> 
>> aesthetics?
>> 
>> Sent from my iPad
>> 
 On Jun 9, 2020, at 6:14 PM, Barry  wrote:
>>> 
>>> Full size verticals are hard to do on small power boats. And elevated 
>>> grounds are also hard. Water grounds are usually the most practical, but 
>>> fresh water is not great. I counsel inverted Vs as they are ground 
>>> independent. On power boats that too is a tough trick, but it can be done, 
>>> depending on size of the boat. A 40 meter dipole can be made by bending the 
>>> ends and can be fed with coax through a 4:1 current balun if the run to the 
>>> radio is not too great. It will require a fiberglass mast bracketed to the 
>>> fly bridge. There are several suppliers of good, strong push up masts 
>>> available; I wouldn't go more than about 25 feet which should put the feed 
>>> about 31 or so feet over the water,m close to a 1/4 wave on 40. This 
>>> arrangement will allow all band operation above 40 with a K3 as the tuner 
>>> is just plain magic.
>>> 
>>> 73,
>>> Barry
>>> K3NDM
>>> 
>>> -- Original Message --
>>> From: "Robert Sands" 
>>> To: "Frank C Richards" 
>>> Cc: "Elecraft Discussion List" 
>>> Sent: 6/9/2020 3:22:27 PM
>>> Subject: Re: [Elecraft] K3 on motorboat.
>>> 
 Verticals require more attention to ground but the goal should be to
 increase the antenna current, thus increasing radiated signal. ground into
 water seems like a waste but has DC grounding value. I use hung vertical
 dipoles (20 and 15) with no need for ground and they work amazingly well. I
 have tried letting wire or zinc ribbon  strips drop into saltwater to
 ground verticals and there is no value I can detect over something simpler,
 like tying to existing structures or running a above water wire
 counterpoise. Vertical dipoles require no Rf ground and propagate at low
 angle and high efficiency. Far effects over water are what counts, more
 than grounding, except in verticals to get higher antenna current.
 K7VO
 
> On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  
> wrote:
> 
>  Having been in the marine electronics business I was able to successfully
> install many HF radios on boats from large steel commercial fishing boats
>>> 
>> 
> 
> 
> -- 
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
> 
> 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Barry]

This will look like the 23' HF whip used by boaters and the wire can be 
barely seen. I can't see how this would look much worse than what 
boaters already do for HF except this will be ground independent.


-- Original Message --
From: "W2xj" 
To: "Barry" 
Cc: "Robert Sands" ; "Frank C Richards" 
; "Elecraft Discussion List" 


Sent: 6/9/2020 6:32:08 PM
Subject: Re: [Elecraft] K3 on motorboat.


aesthetics?

Sent from my iPad


 On Jun 9, 2020, at 6:14 PM, Barry  wrote:

 Full size verticals are hard to do on small power boats. And elevated grounds 
are also hard. Water grounds are usually the most practical, but fresh water is 
not great. I counsel inverted Vs as they are ground independent. On power boats 
that too is a tough trick, but it can be done, depending on size of the boat. A 
40 meter dipole can be made by bending the ends and can be fed with coax 
through a 4:1 current balun if the run to the radio is not too great. It will 
require a fiberglass mast bracketed to the fly bridge. There are several 
suppliers of good, strong push up masts available; I wouldn't go more than 
about 25 feet which should put the feed about 31 or so feet over the water,m 
close to a 1/4 wave on 40. This arrangement will allow all band operation above 
40 with a K3 as the tuner is just plain magic.

 73,
 Barry
 K3NDM

 -- Original Message --
 From: "Robert Sands" 
 To: "Frank C Richards" 
 Cc: "Elecraft Discussion List" 
 Sent: 6/9/2020 3:22:27 PM
 Subject: Re: [Elecraft] K3 on motorboat.


 Verticals require more attention to ground but the goal should be to
 increase the antenna current, thus increasing radiated signal. ground into
 water seems like a waste but has DC grounding value. I use hung vertical
 dipoles (20 and 15) with no need for ground and they work amazingly well. I
 have tried letting wire or zinc ribbon  strips drop into saltwater to
 ground verticals and there is no value I can detect over something simpler,
 like tying to existing structures or running a above water wire
 counterpoise. Vertical dipoles require no Rf ground and propagate at low
 angle and high efficiency. Far effects over water are what counts, more
 than grounding, except in verticals to get higher antenna current.
 K7VO


 On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:

  Having been in the marine electronics business I was able to successfully
 install many HF radios on boats from large steel commercial fishing boats







--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[W2xj]

aesthetics? 

Sent from my iPad

> On Jun 9, 2020, at 6:14 PM, Barry  wrote:
> 
> Full size verticals are hard to do on small power boats. And elevated 
> grounds are also hard. Water grounds are usually the most practical, but 
> fresh water is not great. I counsel inverted Vs as they are ground 
> independent. On power boats that too is a tough trick, but it can be done, 
> depending on size of the boat. A 40 meter dipole can be made by bending the 
> ends and can be fed with coax through a 4:1 current balun if the run to the 
> radio is not too great. It will require a fiberglass mast bracketed to the 
> fly bridge. There are several suppliers of good, strong push up masts 
> available; I wouldn't go more than about 25 feet which should put the feed 
> about 31 or so feet over the water,m close to a 1/4 wave on 40. This 
> arrangement will allow all band operation above 40 with a K3 as the tuner is 
> just plain magic.
> 
> 73,
> Barry
> K3NDM
> 
> -- Original Message --
> From: "Robert Sands" 
> To: "Frank C Richards" 
> Cc: "Elecraft Discussion List" 
> Sent: 6/9/2020 3:22:27 PM
> Subject: Re: [Elecraft] K3 on motorboat.
> 
>> Verticals require more attention to ground but the goal should be to
>> increase the antenna current, thus increasing radiated signal. ground into
>> water seems like a waste but has DC grounding value. I use hung vertical
>> dipoles (20 and 15) with no need for ground and they work amazingly well. I
>> have tried letting wire or zinc ribbon  strips drop into saltwater to
>> ground verticals and there is no value I can detect over something simpler,
>> like tying to existing structures or running a above water wire
>> counterpoise. Vertical dipoles require no Rf ground and propagate at low
>> angle and high efficiency. Far effects over water are what counts, more
>> than grounding, except in verticals to get higher antenna current.
>> K7VO
>> 
>>> On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:
>>> 
>>>  Having been in the marine electronics business I was able to successfully
>>> install many HF radios on boats from large steel commercial fishing boats
> 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Jim Brown]

On 6/9/2020 3:13 PM, Barry wrote:

I counsel inverted Vs as they are ground independent.


Not really -- the earth in the near field is lossy (including fresh 
water) and in the reflection from earth in the far field combines with 
the direct signal to produce the vertical pattern. Almost any horizontal 
antenna for 40M or lower that we can rig on a small boat will be a low 
one, so will be a high angle antenna, over fresh water, a lossy one. In 
general, verticals are better than than horizontal antennas over water, 
fresh or salt, because of the far field reflection, as long as a 
suitable counterpoise is provided.


73, Jim K9YC
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Jim Brown]

Correcting Joe's typo, Mic audio is present between pins 2 and 3, NOT 
between 2 and 1.


73, Jim K9YC

On 6/9/2020 2:54 PM, Joe Subich, W4TV wrote:


 > So which is correct?

They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 1.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 1 and 2.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3/100 suddenly shut down on FT8 TX

[Yoshida Akira]

Hi all

Thanks for more suggestions, however I am not happy.
I noticed this a several times yesterday when transmitting FT8 with 50W.

I checked DX cable and connectors. It looks OK. I look at voltage, 
current and PA Temp
with internal meter. I do not notice any significant jump just before 
shut down.


It is better for me to send K3/100 to JA dealer who checked everything, 
sometimes

replaced parts before.

BTW: my K3/100 s/n 00060  arrived on 2007/12   I still like this radio best.

Thanks

73


On 2020/06/09 11:33, Yoshida Akira wrote:

Hi all

Thanks for suggestions. All look OK to me.

Power supply is Powerwerx ss-30DV. I do not use Powerpole connector
in the front panel, instead use terminal in the back panel.

I use this power supply for another TRX also and have never noticed 
the problem.


73

On 2020/06/09 9:00, Yoshida Akira wrote:

Hi all

I have never seen this for many years, however I recently noticed twice
when transmitting FT8 with 100W. No alarm and error message.
When I simply push POWER button in front panel then it turns ON again.

PA temp, DC voltage and DC current looks good. I do not believe RFI
cause this problem.

Any idea ?


--
73 de aki
JA1NLX
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Barry]

Full size verticals are hard to do on small power boats. And elevated 
grounds are also hard. Water grounds are usually the most practical, but 
fresh water is not great. I counsel inverted Vs as they are ground 
independent. On power boats that too is a tough trick, but it can be 
done, depending on size of the boat. A 40 meter dipole can be made by 
bending the ends and can be fed with coax through a 4:1 current balun if 
the run to the radio is not too great. It will require a fiberglass mast 
bracketed to the fly bridge. There are several suppliers of good, strong 
push up masts available; I wouldn't go more than about 25 feet which 
should put the feed about 31 or so feet over the water,m close to a 1/4 
wave on 40. This arrangement will allow all band operation above 40 with 
a K3 as the tuner is just plain magic.


73,
Barry
K3NDM

-- Original Message --
From: "Robert Sands" 
To: "Frank C Richards" 
Cc: "Elecraft Discussion List" 
Sent: 6/9/2020 3:22:27 PM
Subject: Re: [Elecraft] K3 on motorboat.


Verticals require more attention to ground but the goal should be to
increase the antenna current, thus increasing radiated signal. ground into
water seems like a waste but has DC grounding value. I use hung vertical
dipoles (20 and 15) with no need for ground and they work amazingly well. I
have tried letting wire or zinc ribbon  strips drop into saltwater to
ground verticals and there is no value I can detect over something simpler,
like tying to existing structures or running a above water wire
counterpoise. Vertical dipoles require no Rf ground and propagate at low
angle and high efficiency. Far effects over water are what counts, more
than grounding, except in verticals to get higher antenna current.
K7VO

On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:


  Having been in the marine electronics business I was able to successfully
 install many HF radios on boats from large steel commercial fishing boats
 to a small 28 ft fiberglass fishing boat and sailboats.
  Anything metal , engine, fuel tanks,rudder posts,thru hulls, morse control
 cables,intercoolers outside of the hull,rub rail sections jumpered together
 to form one continuous loop. Dynaplates help but will not work well as the
 only source of ground. I once saw a carbon brush riding thru spring tension
 on a prop shaft, tying the prop to ground.
  It can be tricky as sometimes you get ground loops and you must be aware
 of currents that can cause electrolysis.
  For the antenna we primarily used a 23 ft whip, sometimes on large vessels
 a longwire.
  This was before synthesized radios and autouners. My favorite radio was
 the
 Drake TRM which had a built in manual tuner and a 50 ohm output if you
 wanted
 to use a trapped vertical.
  On  commercial fishing boats you had to leave the dock so that the
 outriggers
 could be lowered and trawl doors put in the water as this changed the
 tuning
 quite a bit from being at the dock. Interestingly enough I think the
 toughest
 time I had tuning  was on an 85 ft steel shrimp boat even with all that
 metal.
 .
 __
 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:Elecraft@mailman.qth.net

 This list hosted by: http://www.qsl.net
 Please help support this email list: http://www.qsl.net/donate.html
 Message delivered to k7vora...@gmail.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to k3...@comcast.net



--
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

[Andy Durbin]

"P can be sent with the Utility "command tester"

or press "ON" on the utility "Operate" page.

BTW - My first reply overlapped with Jack's.  In case of conflict believe him 
not me.

Andy, k3wyc


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Joe Subich, W4TV]

> So which is correct?

They are electrically equivalent.

Pin 2 of the XLR connection is Mic+
Pin 3 of the XLR connection is Mic-
Pin 1 of the XLR connection is the cable shield (ground).

Mic audio is present between pins 2 and 1.

Pin 1 is nothing more than a shield and should be independently
connected to the *chassis at the jack*.

Good quality XLR cables use a *TWISTED PAIR* for pins 1 and 2.
That twisted pair is shelf shielding - particularly good for
rejecting hum. Connecting a shield in parallel with the wire
for pin 3 "unbalances" the twisted pair and makes it much
more susceptible to hum and RFI - particularly when the shell
of the 3.5mm plug/jack is not tied to the chassis/case of the
transceiver.

73,

   ... Joe, W4TV


On 2020-06-09 4:49 PM, Tony wrote:

All:

I have a follow-up question regarding balanced mics and unbalanced 
connections. I'm about to connect a balanced dynamic microphone (Heil 
PR-781) to the rear mic input on my K3S which has a 1/8" unbalanced mono 
connection.


One recommendation was to connect XLR pin #2 mic (+) to the tip of the 
1/8" jack and pin #3 mic (-) to the sleeve. In this case, pin #1 or 
ground is left floating with no connection. A 1/8" mono jack was 
recommended for this setup.


The other recommendation was to connect pin #2 to the tip and pin #1 and 
#3 to the sleeve of the 1/8" jack. It was also suggested that I can use 
either a 1/8" mono or a stereo TRS jack in both cases.


So which is correct?

Tony -K2MO




__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] KAT500 Remote software and KPA500 remote software

[Andy Durbin]

"But keep in mind that the KPA Utility will not connect to the KPA500 unless 
the amp is first powered on"

That may be a bit misleading.  Depends on what you mean by "powered on".   I 
consider the KPA500 to have 4 states:

Not powered
Powered but off
STBY
OPER

The utility can be connected to KPA500 in the "powered but off " state and the 
KPA500 will accept a limited subset of serial commands.   One of those 
commands, P,  will turn it on.  P can be sent with the Utility "command tester 
and will change the KPA500 state to STBY.  At this point all the normal Utility 
functions work.

Andy, k3wyc
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

[Jack Brindle via Elecraft]

Are you referring to front or rear panel power? The K3 Utility can certainly 
power on a KPA500 if the rear panel switch is on. If that switch is off, it 
must be turned on before the front panel switch (or remote power-on) works. Now 
if you have a big relay in the power line to the KPA, it needs to be enabled as 
well.

Setting up remote stations is a skill. There are many ways to do it, and each 
need to be evaluated to get it done the way _you_ want.

By the way, to the original poster - if you are using a Mac, just add the two 
utilities to the user’s "Login Items” list in the User’s & Groups System 
Preferences pane. You just have to make sure that user is started up when the 
system powers up. There are other ways to do this, but by far that is the 
easiest.

73!
Jack, W6FB


> On Jun 9, 2020, at 1:42 PM, Lyn Norstad  wrote:
> 
> If you're running Windows, yes I know how to do that.  But keep in mind that 
> the KPA Utility will not connect to the KPA500 unless the amp is first 
> powered on.
> 
> To have the programs start on boot, just drag them into the Windows "Startup" 
> folder (I am on Windows 7).  
> 
> In Windows 10, search "Startup Apps."
> 
> 73
> Lyn, W0LEN
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
>  
> [mailto:elecraft-boun...@mailman.qth.net 
> ] On Behalf Of Gordon LaPoint
> Sent: Tuesday, June 09, 2020 1:45 PM
> To: elecraft@mailman.qth.net 
> Subject: [Elecraft] KAT500 Remote software and KPA500 remote software
> 
> Can these remote software's be in host mode on startup?  I run a remote 
> and would like to have them connect to the hardware and be in host mode 
> on boot of the computer.  Right now I just log on remotely and start 
> each one as needed.
> 
> Thanks,
> 
> Gordon - N1MGO
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to l...@lnainc.com  
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft 
> 
> Help: http://mailman.qth.net/mmfaq.htm 
> Post: mailto:Elecraft@mailman.qth.net 
> 
> This list hosted by: http://www.qsl.net 
> Please help support this email list: http://www.qsl.net/donate.html 
> 
> Message delivered to jackbrin...@me.com 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] zero-beating a KX1

[Walter Underwood]

If getting to exactly the sidetone frequency works, an instrument tuner box (or 
app) might do the job. I don’t know enough to recommend one, but I see some 
devices for $30 or less and some apps ranging from free to a few dollars.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Jun 9, 2020, at 2:29 PM, Don Wilhelm  wrote:
> 
> Tom Hammond N0SS's (SK) website is mostly intact thanks to the Mid Missouri 
> Amateur Radio Club.  It is a valuable resource.
> 
> You can find the files for the K1 and KX1 CW Tuning Indicator (SMD version) 
> at http://www.mmccs.com/mmarc/n0ss/index_k1.html.
> 
> If you have capability to etch your own boards, Tom recorded full size 
> images.  You might also try emailing Fred at FAR Circuits to see if he can 
> create the boards.  I believe Tom may have used him as his board supplier.
> 
> 73,
> Don W3FPR
> 
> On 6/8/2020 7:33 PM, Frederick Dwight wrote:
>> If you do a google search on KX1 zero beat indicator or cw zero beat 
>> indicator you will see several circuits demonstrated.  Some like the one 
>> which uses the LM567 (non SMT) part and had
>> a white LED seemed to be good, much less than 100 Hz BW and had the 
>> schematic, but some others seemed to be much too broad, perhaps hundreds of 
>> Hz wide. My circuit
>> needed quite a bit of audio drive, so rigged up a small 500-500 CT audio 
>> transformer and used the primary as a autotransformer to double the audio 
>> voltage
>> to the circuit which did not change the earphone volume but enabled the 
>> detector to operate without opening up the audio gain too much on any of my 
>> rigs.
>>   Good Luck   Rick  KL7CW
>> Sent from Mail for Windows 10
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to donw...@embarqmail.com
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to wun...@wunderwood.org 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] zero-beating a KX1

[Don Wilhelm]

Tom Hammond N0SS's (SK) website is mostly intact thanks to the Mid 
Missouri Amateur Radio Club.  It is a valuable resource.


You can find the files for the K1 and KX1 CW Tuning Indicator (SMD 
version) at http://www.mmccs.com/mmarc/n0ss/index_k1.html.


If you have capability to etch your own boards, Tom recorded full size 
images.  You might also try emailing Fred at FAR Circuits to see if he 
can create the boards.  I believe Tom may have used him as his board 
supplier.


73,
Don W3FPR

On 6/8/2020 7:33 PM, Frederick Dwight wrote:

If you do a google search on KX1 zero beat indicator or cw zero beat indicator 
you will see several circuits demonstrated.  Some like the one which uses the 
LM567 (non SMT) part and had
a white LED seemed to be good, much less than 100 Hz BW and had the schematic, 
but some others seemed to be much too broad, perhaps hundreds of Hz wide. My 
circuit
needed quite a bit of audio drive, so rigged up a small 500-500 CT audio 
transformer and used the primary as a autotransformer to double the audio 
voltage
to the circuit which did not change the earphone volume but enabled the 
detector to operate without opening up the audio gain too much on any of my 
rigs.
   Good Luck   Rick  KL7CW

Sent from Mail for Windows 10

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to donw...@embarqmail.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] K3 Macro Questions

[Larry Boekeloo]

I'm missing something

Here are my two macros

MN053,DN;DN;MN255:

MN053;UP;UP;MN255;

One brings the audio from the front microphone jack and the other brings
the audio from Line In in the back for FT8.

If I run the macro editor manually, the macros work.

If I execute them from the PF1 and PF2 keys, they bring up the MIC SEL menu
and there they sit.

Any ideas?

Thanks.

Larry, KN8N
Kalamazoo, Michigan
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[Lyn Norstad]

Peter -

Having had many years' experience in both boating and mobile operation, my 
choice would depend on where the antenna will be mounted and how fast your boat 
is.  

My last boat, a 32' Sea Ray cruiser, had a Radar Arch.  Of course it was all 
fiberglass, but it was possible to get inside and line it with a heavy copper 
"foil" material.

Then add an NMO type mount thru the arch and install a mobile Hustler-type 
antenna.  You will have to change resonators for each band, but the size and 
cost will be manageable ... as will the aesthetics.

It always worked well for me on fresh water.

73
Lyn, W0LEN


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Peter Kaletsch
Sent: Monday, June 08, 2020 3:47 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 working on motorboats - possible

Hello fellows;

You are my last hope as I cannot imagine that I am the only one in the world 
who wants to try that.

For many months I have been trying in vain to get tips on how to operate a K3 
well on a small 13 meter motor yacht. I am talking about fresh water usage 
(Lake Garda in Italy), not salt water, and of a GFK built boat.

A dipole is eliminated, it is not a sailing boat. I thought of using a Tarheel 
Antenna, but the manufacturer advised me against it.

So normal, shortened mobile antennas, mounted on the device carrier, where also 
the antenna for marine radio is located, should point the way ...?

But how do I get a reasonably effective earth? I read a lot of negative things 
about ground plates - fast growth, the hull has to be pierced.

I have already considered laying radials from the antenna base below deck in 
the invisible area, but will this work...?

I am very grateful for every tip and every help - also to 
pkalet...@kaletsch-gmbh.de

Thanks in advance

Peter - DL1MDZ



Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz der Gesellschaft: 
München |
Hinweis / reference:
Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke verwendet 
werden. The content of this Message may only be used for the intended purposes.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to l...@lnainc.com 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[Pete Lascell]

An inexpensive antenna to try is MFJ-2240 Mini-Dipole for 40 meters for $70.  
It is made with two hamsticks and appropriate mount that mounts the two whips 
butt to butt with coax connection.  There is also models for other bands.  
https://mfjenterprises.com/products/mfj-2240   Mount as high as practical, 
dipole will be horizontal and about 16' long.
Pete W4WWQ


- Original Message -
From: Peter Kaletsch 
To: , 
Sent: 6/9/2020 4:29:01 PM
Subject: Re: [Elecraft] K3 working on motorboats - possible


Hi Gernot!

You pointed the problem out! I have done really a lot of QRP work (DXCC, all 
continents) landside and of course I will start with low power on board.

Many thanks for your advice to the "Rothhammel". I did not know, that marine 
antennas are a theme there, but I will have a look into for sure!

Best regards

Peter

-Ursprüngliche Nachricht-
Von: g...@gmx.net [mailto:g...@gmx.net]
Gesendet: Dienstag, 9. Juni 2020 22:21
An: Peter Kaletsch ; elecraft@mailman.qth.net
Betreff: Re: [Elecraft] K3 working on motorboats - possible

Hello Peter,
I think it depends on your willingnes to sacrify the shape of your boat.
If you want to get heard anywhere then you either need a long vertical plus 
good ground as mentioned already, or a dipole as high above sea level as 
possible. The dipole may be sloped but either the feedpoint needs to be 
elevated or the ends of the wire. I have operated both configurations near 
fresh water with kind of satisfaction (~500km on
7/14 MHz are possible on 10Watts) , but not yet on a boat.

The Rothammel also mentions "Marineantennen" and discusses the grounding and 
antenna suggestions.

Seems like an interesting experiment,
hope you get on the air soon!
73 Gernot DF5RF

BTW, you can use www.deepl.com for a quick translation to German:

"Ich denke, es hängt von Ihrer Bereitschaft ab, die Form Ihres Bootes zu 
opfern. Wenn Sie irgendwo gehört werden wollen, dann brauchen Sie entweder eine 
lange Vertikale plus guten Boden, wie bereits erwähnt, oder einen Dipol so hoch 
über dem Meeresspiegel wie möglich. Der Dipol kann geneigt sein, aber entweder 
der Speisepunkt oder die Drahtenden müssen erhöht sein. Ich habe beide 
Konfigurationen in der Nähe von Süßwasser mit einer gewissen Befriedigung 
betrieben (~500km auf 7/14 MHz sind bei 10Watt möglich), aber noch nicht auf 
einem Boot.

Der Rothammel erwähnt auch "Marineantennen" und bespricht die Erdung und 
Antennenvorschläge.

Scheint ein interessantes Experiment zu sein, Ich hoffe, Sie gehen bald auf 
Sendung!

Übersetzt mit www.DeepL.com/Translator (kostenlose Version)"


Am 08.06.2020 um 22:47 schrieb Peter Kaletsch:
> Hello fellows;
>
> You are my last hope as I cannot imagine that I am the only one in the world 
> who wants to try that.
>
> For many months I have been trying in vain to get tips on how to operate a K3 
> well on a small 13 meter motor yacht. I am talking about fresh water usage 
> (Lake Garda in Italy), not salt water, and of a GFK built boat.
>
> A dipole is eliminated, it is not a sailing boat. I thought of using a 
> Tarheel Antenna, but the manufacturer advised me against it.
>
> So normal, shortened mobile antennas, mounted on the device carrier, where 
> also the antenna for marine radio is located, should point the way ...?
>
> But how do I get a reasonably effective earth? I read a lot of negative 
> things about ground plates - fast growth, the hull has to be pierced.
>
> I have already considered laying radials from the antenna base below deck in 
> the invisible area, but will this work...?
>
> I am very grateful for every tip and every help - also to
> pkalet...@kaletsch-gmbh.de
>
> Thanks in advance
>
> Peter - DL1MDZ
>
>
> 
> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz 
> der Gesellschaft: München | Hinweis / reference:
> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
> verwendet werden. The content of this Message may only be used for the 
> intended purposes.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html Message delivered to g...@gmx.net


Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
143/170/40017 | Geschäf

Re: [Elecraft] CW rise time setting

[Al Lorona]

I used:

1/(1+exp(-x))

where x = the pulse train. I then modulated a 7 MHz carrier with the result 
(although the results don't care what the RF frequency is, of course).

Al  W6LX


>>>Which sigmoid function did you model, Al?

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] Balanced Mic to Unbalanced Connection Follow Up Question

[Tony]

All:

I have a follow-up question regarding balanced mics and unbalanced 
connections. I'm about to connect a balanced dynamic microphone (Heil 
PR-781) to the rear mic input on my K3S which has a 1/8" unbalanced mono 
connection.


One recommendation was to connect XLR pin #2 mic (+) to the tip of the 
1/8" jack and pin #3 mic (-) to the sleeve. In this case, pin #1 or 
ground is left floating with no connection. A 1/8" mono jack was 
recommended for this setup.


The other recommendation was to connect pin #2 to the tip and pin #1 and 
#3 to the sleeve of the 1/8" jack. It was also suggested that I can use 
either a 1/8" mono or a stereo TRS jack in both cases.


So which is correct?

Tony -K2MO


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[Jim Brown]

On 6/9/2020 1:21 PM, g...@gmx.net wrote:
anywhere then you either need a long vertical plus good ground as 
mentioned already


WRONG. An end-fed wire needs a COUNTERPOISE, not a connection to mother 
earth. A counterpoise is a low resistance conductor that provides a 
return for the current and the field produced by the "intentional" part 
of the antenna, and the counterpoise IS a part of the antenna. Salt 
water IS an effective counterpoise because it is a good conductor; fresh 
water is NOT, because it is NOT a good conductor, so it burns 
transmitter power.


Likewise, a ground rod is a lousy counterpoise, because the earth is a 
big resistor, and can easily burn much more than half the transmitter's 
power. Radials serve as both a counterpoise and a shield ("screen" in 
British English) -- they shield the field from lossy earth AND serve as 
a return for the current and the field.


73, Jim K9YC

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

[Lyn Norstad]

If you're running Windows, yes I know how to do that.  But keep in mind that 
the KPA Utility will not connect to the KPA500 unless the amp is first powered 
on.

To have the programs start on boot, just drag them into the Windows "Startup" 
folder (I am on Windows 7).  

In Windows 10, search "Startup Apps."

73
Lyn, W0LEN

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gordon LaPoint
Sent: Tuesday, June 09, 2020 1:45 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KAT500 Remote software and KPA500 remote software

Can these remote software's be in host mode on startup?  I run a remote 
and would like to have them connect to the hardware and be in host mode 
on boot of the computer.  Right now I just log on remotely and start 
each one as needed.

Thanks,

Gordon - N1MGO

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to l...@lnainc.com 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[Peter Kaletsch]

Hi Gernot!

You pointed the problem out! I have done really a lot of QRP work (DXCC, all 
continents) landside and of course I will start with low power on board.

Many thanks for your advice to the "Rothhammel". I did not know, that marine 
antennas are a theme there, but I will have a look into for sure!

Best regards

Peter

-Ursprüngliche Nachricht-
Von: g...@gmx.net [mailto:g...@gmx.net]
Gesendet: Dienstag, 9. Juni 2020 22:21
An: Peter Kaletsch ; elecraft@mailman.qth.net
Betreff: Re: [Elecraft] K3 working on motorboats - possible

Hello Peter,
I think it depends on your willingnes to sacrify the shape of your boat.
If you want to get heard anywhere then you either need a long vertical plus 
good ground as mentioned already, or a dipole as high above sea level as 
possible. The dipole may be sloped but either the feedpoint needs to be 
elevated or the ends of the wire. I have operated both configurations near 
fresh water with kind of satisfaction (~500km on
7/14 MHz are possible on 10Watts) , but not yet on a boat.

The Rothammel also mentions "Marineantennen" and discusses the grounding and 
antenna suggestions.

Seems like an interesting experiment,
hope you get on the air soon!
73 Gernot DF5RF

BTW, you can use www.deepl.com for a quick translation to German:

"Ich denke, es hängt von Ihrer Bereitschaft ab, die Form Ihres Bootes zu 
opfern. Wenn Sie irgendwo gehört werden wollen, dann brauchen Sie entweder eine 
lange Vertikale plus guten Boden, wie bereits erwähnt, oder einen Dipol so hoch 
über dem Meeresspiegel wie möglich. Der Dipol kann geneigt sein, aber entweder 
der Speisepunkt oder die Drahtenden müssen erhöht sein. Ich habe beide 
Konfigurationen in der Nähe von Süßwasser mit einer gewissen Befriedigung 
betrieben (~500km auf 7/14 MHz sind bei 10Watt möglich), aber noch nicht auf 
einem Boot.

Der Rothammel erwähnt auch "Marineantennen" und bespricht die Erdung und 
Antennenvorschläge.

Scheint ein interessantes Experiment zu sein, Ich hoffe, Sie gehen bald auf 
Sendung!

Übersetzt mit www.DeepL.com/Translator (kostenlose Version)"


Am 08.06.2020 um 22:47 schrieb Peter Kaletsch:
> Hello fellows;
>
> You are my last hope as I cannot imagine that I am the only one in the world 
> who wants to try that.
>
> For many months I have been trying in vain to get tips on how to operate a K3 
> well on a small 13 meter motor yacht. I am talking about fresh water usage 
> (Lake Garda in Italy), not salt water, and of a GFK built boat.
>
> A dipole is eliminated, it is not a sailing boat. I thought of using a 
> Tarheel Antenna, but the manufacturer advised me against it.
>
> So normal, shortened mobile antennas, mounted on the device carrier, where 
> also the antenna for marine radio is located, should point the way ...?
>
> But how do I get a reasonably effective earth? I read a lot of negative 
> things about ground plates - fast growth, the hull has to be pierced.
>
> I have already considered laying radials from the antenna base below deck in 
> the invisible area, but will this work...?
>
> I am very grateful for every tip and every help - also to
> pkalet...@kaletsch-gmbh.de
>
> Thanks in advance
>
> Peter - DL1MDZ
>
>
> 
> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz 
> der Gesellschaft: München | Hinweis / reference:
> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
> verwendet werden. The content of this Message may only be used for the 
> intended purposes.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html Message delivered to g...@gmx.net


Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz der Gesellschaft: 
München |
Hinweis / reference:
Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke verwendet 
werden. The content of this Message may only be used for the intended purposes.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch.

Re: [Elecraft] K3 working on motorboats - possible

[Peter Kaletsch]

No chance hihihihihi :-)

-Ursprüngliche Nachricht-
Von: W2xj [mailto:w...@w2xj.net]
Gesendet: Dienstag, 9. Juni 2020 22:18
An: Peter Kaletsch 
Cc: elecraft@mailman.qth.net
Betreff: Re: [Elecraft] K3 working on motorboats - possible

marry a ham! :-)

Sent from my iPad

> On Jun 9, 2020, at 3:54 PM, Peter Kaletsch  wrote:
>
> I agree, but I think that's a common issue for married hams! Happy
> wife, happy live :-)
>
> 73, Peter
>
> -Ursprüngliche Nachricht-
> Von: W2xj [mailto:w...@w2xj.net]
> Gesendet: Dienstag, 9. Juni 2020 18:34
> An: Peter Kaletsch 
> Cc: elecraft@mailman.qth.net
> Betreff: Re: [Elecraft] K3 working on motorboats - possible
>
> i think your engineering challenge is primarily balancing esthetics against 
> performance.
>
> Sent from my iPad
>
>> On Jun 9, 2020, at 6:52 AM, Peter Kaletsch  
>> wrote:
>>
>> Hi folks,
>>
>> Thanks a lot for all answers and information! Some I still have to read more 
>> accurate ana translate some special parts, because, as you can obviously 
>> read from my post, my English is horrible.
>>
>> I tend - and of course my wife does - to have a fixed installation. So 
>> extendable fiberglass masts or something like this is not the solution we 
>> are searching for.
>>
>> I will think about all suggestions, try some of them and report later this 
>> year, if there are any reporting worth solutions. We take over the boat 
>> during the next 2 weeks and after that, there is a lot of other marine stuff 
>> to do, before focusing on ham radio on board).
>>
>> Further answer are highly welcomed
>>
>>
>> 73, Peter
>>
>> -Ursprüngliche Nachricht-
>> Von: Kurt Pawlikowski [mailto:ku...@pinrod.com]
>> Gesendet: Dienstag, 9. Juni 2020 03:16
>> An: Peter Kaletsch ;
>> elecraft@mailman.qth.net
>> Betreff: Re: [Elecraft] K3 working on motorboats - possible
>>
>> Peter,
>>
>>In general, any vertical works lots better with more radials. As fresh 
>> water is a fairly poor conductor, the more the merrier!
>> Unfortunately, because most boats are wooden/fiberglass, what you can
>> add helps. I don't know if they have to be 1/4 wavelength (I've read
>> yes and some say at least 0.20 wavelength). For HF, this would be
>> some serious lengths for most boats! I expect you'd have to load them
>> similar to the vertical element, but I haven't read anything
>> regarding loading
>> radials: It's just a guess. I suppose one could attempt to replicate, to 
>> some extent, a solid ground plane with foil or some other conductor (maybe 
>> chicken wire?). It would seem a lot of work (and probably is!).
>> If you're insistent on a vertical, it's a narrow field of variability.
>> Some of the portable antenna's can make loaded dipoles or verticals, which 
>> would operate fairly well without a ground plane. Another option might be a 
>> magnetic loop (which doesn't care much about "ground" per se.
>> It is affected by near-by conductors, tunes very narrowly, and is big 
>> (compared to a mobile vertical). So, whatever you choose, it's all some sort 
>> of compromise.
>>
>>kurtt WB9FMC
>>
 On 6/8/2020 3:47 PM, Peter Kaletsch wrote:
>>> Hello fellows;
>>>
>>> You are my last hope as I cannot imagine that I am the only one in the 
>>> world who wants to try that.
>>>
>>> For many months I have been trying in vain to get tips on how to operate a 
>>> K3 well on a small 13 meter motor yacht. I am talking about fresh water 
>>> usage (Lake Garda in Italy), not salt water, and of a GFK built boat.
>>>
>>> A dipole is eliminated, it is not a sailing boat. I thought of using a 
>>> Tarheel Antenna, but the manufacturer advised me against it.
>>>
>>> So normal, shortened mobile antennas, mounted on the device carrier, where 
>>> also the antenna for marine radio is located, should point the way ...?
>>>
>>> But how do I get a reasonably effective earth? I read a lot of negative 
>>> things about ground plates - fast growth, the hull has to be pierced.
>>>
>>> I have already considered laying radials from the antenna base below deck 
>>> in the invisible area, but will this work...?
>>>
>>> I am very grateful for every tip and every help - also to
>>> pkalet...@kaletsch-gmbh.de
>>>
>>> Thanks in advance
>>>
>>> Peter - DL1MDZ
>>>
>>>
>>> 
>>> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
>>> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
>>> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
>>> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | 
>>> Sitz der Gesellschaft: München | Hinweis / reference:
>>> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
>>> verwendet werden. The content of this Message may only be used for the 
>>> intended purposes.
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.ne

Re: [Elecraft] K3 working on motorboats - possible

[gt-i]

Hello Peter,
I think it depends on your willingnes to sacrify the shape of your boat. 
If you want to get heard anywhere then you either need a long vertical 
plus good ground as mentioned already, or a dipole as high above sea 
level as possible. The dipole may be sloped but either the feedpoint 
needs to be elevated or the ends of the wire. I have operated both 
configurations near fresh water with kind of satisfaction (~500km on 
7/14 MHz are possible on 10Watts) , but not yet on a boat.


The Rothammel also mentions "Marineantennen" and discusses the grounding 
and antenna suggestions.


Seems like an interesting experiment,
hope you get on the air soon!
73 Gernot DF5RF

BTW, you can use www.deepl.com for a quick translation to German:

"Ich denke, es hängt von Ihrer Bereitschaft ab, die Form Ihres Bootes zu 
opfern. Wenn Sie irgendwo gehört werden wollen, dann brauchen Sie 
entweder eine lange Vertikale plus guten Boden, wie bereits erwähnt, 
oder einen Dipol so hoch über dem Meeresspiegel wie möglich. Der Dipol 
kann geneigt sein, aber entweder der Speisepunkt oder die Drahtenden 
müssen erhöht sein. Ich habe beide Konfigurationen in der Nähe von 
Süßwasser mit einer gewissen Befriedigung betrieben (~500km auf 7/14 MHz 
sind bei 10Watt möglich), aber noch nicht auf einem Boot.


Der Rothammel erwähnt auch "Marineantennen" und bespricht die Erdung und 
Antennenvorschläge.


Scheint ein interessantes Experiment zu sein,
Ich hoffe, Sie gehen bald auf Sendung!

Übersetzt mit www.DeepL.com/Translator (kostenlose Version)"


Am 08.06.2020 um 22:47 schrieb Peter Kaletsch:

Hello fellows;

You are my last hope as I cannot imagine that I am the only one in the world 
who wants to try that.

For many months I have been trying in vain to get tips on how to operate a K3 
well on a small 13 meter motor yacht. I am talking about fresh water usage 
(Lake Garda in Italy), not salt water, and of a GFK built boat.

A dipole is eliminated, it is not a sailing boat. I thought of using a Tarheel 
Antenna, but the manufacturer advised me against it.

So normal, shortened mobile antennas, mounted on the device carrier, where also 
the antenna for marine radio is located, should point the way ...?

But how do I get a reasonably effective earth? I read a lot of negative things 
about ground plates - fast growth, the hull has to be pierced.

I have already considered laying radials from the antenna base below deck in 
the invisible area, but will this work...?

I am very grateful for every tip and every help - also to 
pkalet...@kaletsch-gmbh.de

Thanks in advance

Peter - DL1MDZ



Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz der Gesellschaft: 
München |
Hinweis / reference:
Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke verwendet 
werden. The content of this Message may only be used for the intended purposes.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to g...@gmx.net


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[W2xj]

marry a ham! :-)

Sent from my iPad

> On Jun 9, 2020, at 3:54 PM, Peter Kaletsch  wrote:
> 
> I agree, but I think that's a common issue for married hams! Happy wife, 
> happy live :-)
> 
> 73, Peter
> 
> -Ursprüngliche Nachricht-
> Von: W2xj [mailto:w...@w2xj.net]
> Gesendet: Dienstag, 9. Juni 2020 18:34
> An: Peter Kaletsch 
> Cc: elecraft@mailman.qth.net
> Betreff: Re: [Elecraft] K3 working on motorboats - possible
> 
> i think your engineering challenge is primarily balancing esthetics against 
> performance.
> 
> Sent from my iPad
> 
>> On Jun 9, 2020, at 6:52 AM, Peter Kaletsch  
>> wrote:
>> 
>> Hi folks,
>> 
>> Thanks a lot for all answers and information! Some I still have to read more 
>> accurate ana translate some special parts, because, as you can obviously 
>> read from my post, my English is horrible.
>> 
>> I tend - and of course my wife does - to have a fixed installation. So 
>> extendable fiberglass masts or something like this is not the solution we 
>> are searching for.
>> 
>> I will think about all suggestions, try some of them and report later this 
>> year, if there are any reporting worth solutions. We take over the boat 
>> during the next 2 weeks and after that, there is a lot of other marine stuff 
>> to do, before focusing on ham radio on board).
>> 
>> Further answer are highly welcomed
>> 
>> 
>> 73, Peter
>> 
>> -Ursprüngliche Nachricht-
>> Von: Kurt Pawlikowski [mailto:ku...@pinrod.com]
>> Gesendet: Dienstag, 9. Juni 2020 03:16
>> An: Peter Kaletsch ;
>> elecraft@mailman.qth.net
>> Betreff: Re: [Elecraft] K3 working on motorboats - possible
>> 
>> Peter,
>> 
>>In general, any vertical works lots better with more radials. As fresh 
>> water is a fairly poor conductor, the more the merrier!
>> Unfortunately, because most boats are wooden/fiberglass, what you can
>> add helps. I don't know if they have to be 1/4 wavelength (I've read
>> yes and some say at least 0.20 wavelength). For HF, this would be some
>> serious lengths for most boats! I expect you'd have to load them
>> similar to the vertical element, but I haven't read anything regarding
>> loading
>> radials: It's just a guess. I suppose one could attempt to replicate, to 
>> some extent, a solid ground plane with foil or some other conductor (maybe 
>> chicken wire?). It would seem a lot of work (and probably is!).
>> If you're insistent on a vertical, it's a narrow field of variability.
>> Some of the portable antenna's can make loaded dipoles or verticals, which 
>> would operate fairly well without a ground plane. Another option might be a 
>> magnetic loop (which doesn't care much about "ground" per se.
>> It is affected by near-by conductors, tunes very narrowly, and is big 
>> (compared to a mobile vertical). So, whatever you choose, it's all some sort 
>> of compromise.
>> 
>>kurtt WB9FMC
>> 
 On 6/8/2020 3:47 PM, Peter Kaletsch wrote:
>>> Hello fellows;
>>> 
>>> You are my last hope as I cannot imagine that I am the only one in the 
>>> world who wants to try that.
>>> 
>>> For many months I have been trying in vain to get tips on how to operate a 
>>> K3 well on a small 13 meter motor yacht. I am talking about fresh water 
>>> usage (Lake Garda in Italy), not salt water, and of a GFK built boat.
>>> 
>>> A dipole is eliminated, it is not a sailing boat. I thought of using a 
>>> Tarheel Antenna, but the manufacturer advised me against it.
>>> 
>>> So normal, shortened mobile antennas, mounted on the device carrier, where 
>>> also the antenna for marine radio is located, should point the way ...?
>>> 
>>> But how do I get a reasonably effective earth? I read a lot of negative 
>>> things about ground plates - fast growth, the hull has to be pierced.
>>> 
>>> I have already considered laying radials from the antenna base below deck 
>>> in the invisible area, but will this work...?
>>> 
>>> I am very grateful for every tip and every help - also to
>>> pkalet...@kaletsch-gmbh.de
>>> 
>>> Thanks in advance
>>> 
>>> Peter - DL1MDZ
>>> 
>>> 
>>> 
>>> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
>>> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
>>> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
>>> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | 
>>> Sitz der Gesellschaft: München | Hinweis / reference:
>>> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
>>> verwendet werden. The content of this Message may only be used for the 
>>> intended purposes.
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft@mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net Please help support this
>>> email
>>> list: http://www.qsl.net/donate.html Message delivered to
>>> ku...@pi

Re: [Elecraft] K3 working on motorboats - possible

[Peter Kaletsch]

I agree, but I think that's a common issue for married hams! Happy wife, happy 
live :-)

73, Peter

-Ursprüngliche Nachricht-
Von: W2xj [mailto:w...@w2xj.net]
Gesendet: Dienstag, 9. Juni 2020 18:34
An: Peter Kaletsch 
Cc: elecraft@mailman.qth.net
Betreff: Re: [Elecraft] K3 working on motorboats - possible

i think your engineering challenge is primarily balancing esthetics against 
performance.

Sent from my iPad

> On Jun 9, 2020, at 6:52 AM, Peter Kaletsch  wrote:
>
> Hi folks,
>
> Thanks a lot for all answers and information! Some I still have to read more 
> accurate ana translate some special parts, because, as you can obviously read 
> from my post, my English is horrible.
>
> I tend - and of course my wife does - to have a fixed installation. So 
> extendable fiberglass masts or something like this is not the solution we are 
> searching for.
>
> I will think about all suggestions, try some of them and report later this 
> year, if there are any reporting worth solutions. We take over the boat 
> during the next 2 weeks and after that, there is a lot of other marine stuff 
> to do, before focusing on ham radio on board).
>
> Further answer are highly welcomed
>
>
> 73, Peter
>
> -Ursprüngliche Nachricht-
> Von: Kurt Pawlikowski [mailto:ku...@pinrod.com]
> Gesendet: Dienstag, 9. Juni 2020 03:16
> An: Peter Kaletsch ;
> elecraft@mailman.qth.net
> Betreff: Re: [Elecraft] K3 working on motorboats - possible
>
> Peter,
>
> In general, any vertical works lots better with more radials. As fresh 
> water is a fairly poor conductor, the more the merrier!
> Unfortunately, because most boats are wooden/fiberglass, what you can
> add helps. I don't know if they have to be 1/4 wavelength (I've read
> yes and some say at least 0.20 wavelength). For HF, this would be some
> serious lengths for most boats! I expect you'd have to load them
> similar to the vertical element, but I haven't read anything regarding
> loading
> radials: It's just a guess. I suppose one could attempt to replicate, to some 
> extent, a solid ground plane with foil or some other conductor (maybe chicken 
> wire?). It would seem a lot of work (and probably is!).
> If you're insistent on a vertical, it's a narrow field of variability.
> Some of the portable antenna's can make loaded dipoles or verticals, which 
> would operate fairly well without a ground plane. Another option might be a 
> magnetic loop (which doesn't care much about "ground" per se.
> It is affected by near-by conductors, tunes very narrowly, and is big 
> (compared to a mobile vertical). So, whatever you choose, it's all some sort 
> of compromise.
>
> kurtt WB9FMC
>
>> On 6/8/2020 3:47 PM, Peter Kaletsch wrote:
>> Hello fellows;
>>
>> You are my last hope as I cannot imagine that I am the only one in the world 
>> who wants to try that.
>>
>> For many months I have been trying in vain to get tips on how to operate a 
>> K3 well on a small 13 meter motor yacht. I am talking about fresh water 
>> usage (Lake Garda in Italy), not salt water, and of a GFK built boat.
>>
>> A dipole is eliminated, it is not a sailing boat. I thought of using a 
>> Tarheel Antenna, but the manufacturer advised me against it.
>>
>> So normal, shortened mobile antennas, mounted on the device carrier, where 
>> also the antenna for marine radio is located, should point the way ...?
>>
>> But how do I get a reasonably effective earth? I read a lot of negative 
>> things about ground plates - fast growth, the hull has to be pierced.
>>
>> I have already considered laying radials from the antenna base below deck in 
>> the invisible area, but will this work...?
>>
>> I am very grateful for every tip and every help - also to
>> pkalet...@kaletsch-gmbh.de
>>
>> Thanks in advance
>>
>> Peter - DL1MDZ
>>
>>
>> 
>> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
>> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
>> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
>> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz 
>> der Gesellschaft: München | Hinweis / reference:
>> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
>> verwendet werden. The content of this Message may only be used for the 
>> intended purposes.
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net Please help support this
>> email
>> list: http://www.qsl.net/donate.html Message delivered to
>> ku...@pinrod.com
> 
> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
>

Re: [Elecraft] CW rise time setting

[Jim Brown]

On 6/9/2020 11:07 AM, Al Lorona wrote:

The reduction in the sideband levels (what some folks here called 'clicks'... 
not sure that's a good name for this) varies depending on where you measure it, 
but in general the sidebands will drop anywhere from 0 to 12 dB-- sometimes 
less, sometimes more--  when you go from 2 msec to 8 msec rise/fall times. For 
instance, arbitrarily choosing an offset of 500 Hz from the carrier, the 
sideband drops by 11 dB for the longer rise time. That turns out to be a fairly 
typical value. And by the way, in general the sigmoid does a better job than a 
raised cosine.




I've not looked at the math, but I've measured more than a half dozen 
radios, most with variable time constant shaping, and Elecraft with 
their fixed sigmoidal shaping. The data is here.


http://k9yc.com/P3_Spectrum_Measurements.pdf

A K3 at 25W (driving a KPA500 to full power) is 50 dB down 230 Hz either 
side of the signal, 60 dB down at 305 Hz. At 40W driving a legal limit 
tube amp (Ten Tec Titan) sidebands at the power amp output are 50 dB 
down at 235 Hz, 60 dB down at 335 Hz.


A neighbor's FT1000 Mark V Field was 50 dB down at 665 Hz.

Another neighbor's FTDX5000 set for 6 msec was 50 dB down at 410 Hz, 60 
dB down at 1.05 kHz before the firmware update. It improved to -50 dB at 
310 Hz and -60 at 535 Hz after the update.


73, Jim K9YC

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[W2xj]

i think there is an esthetic problem that is more important.

Sent from my iPad

> On Jun 9, 2020, at 3:24 PM, Robert Sands  wrote:
> 
> Verticals require more attention to ground but the goal should be to
> increase the antenna current, thus increasing radiated signal. ground into
> water seems like a waste but has DC grounding value. I use hung vertical
> dipoles (20 and 15) with no need for ground and they work amazingly well. I
> have tried letting wire or zinc ribbon  strips drop into saltwater to
> ground verticals and there is no value I can detect over something simpler,
> like tying to existing structures or running a above water wire
> counterpoise. Vertical dipoles require no Rf ground and propagate at low
> angle and high efficiency. Far effects over water are what counts, more
> than grounding, except in verticals to get higher antenna current.
> K7VO
> 
>> On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:
>> 
>> Having been in the marine electronics business I was able to successfully
>> install many HF radios on boats from large steel commercial fishing boats
>> to a small 28 ft fiberglass fishing boat and sailboats.
>> Anything metal , engine, fuel tanks,rudder posts,thru hulls, morse control
>> cables,intercoolers outside of the hull,rub rail sections jumpered together
>> to form one continuous loop. Dynaplates help but will not work well as the
>> only source of ground. I once saw a carbon brush riding thru spring tension
>> on a prop shaft, tying the prop to ground.
>> It can be tricky as sometimes you get ground loops and you must be aware
>> of currents that can cause electrolysis.
>> For the antenna we primarily used a 23 ft whip, sometimes on large vessels
>> a longwire.
>> This was before synthesized radios and autouners. My favorite radio was
>> the
>> Drake TRM which had a built in manual tuner and a 50 ohm output if you
>> wanted
>> to use a trapped vertical.
>> On  commercial fishing boats you had to leave the dock so that the
>> outriggers
>> could be lowered and trawl doors put in the water as this changed the
>> tuning
>> quite a bit from being at the dock. Interestingly enough I think the
>> toughest
>> time I had tuning  was on an 85 ft steel shrimp boat even with all that
>> metal.
>> .
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to k7vora...@gmail.com
>> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to w...@w2xj.net 
> 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 on motorboat.

[Robert Sands]

Verticals require more attention to ground but the goal should be to
increase the antenna current, thus increasing radiated signal. ground into
water seems like a waste but has DC grounding value. I use hung vertical
dipoles (20 and 15) with no need for ground and they work amazingly well. I
have tried letting wire or zinc ribbon  strips drop into saltwater to
ground verticals and there is no value I can detect over something simpler,
like tying to existing structures or running a above water wire
counterpoise. Vertical dipoles require no Rf ground and propagate at low
angle and high efficiency. Far effects over water are what counts, more
than grounding, except in verticals to get higher antenna current.
K7VO

On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:

>  Having been in the marine electronics business I was able to successfully
> install many HF radios on boats from large steel commercial fishing boats
> to a small 28 ft fiberglass fishing boat and sailboats.
>  Anything metal , engine, fuel tanks,rudder posts,thru hulls, morse control
> cables,intercoolers outside of the hull,rub rail sections jumpered together
> to form one continuous loop. Dynaplates help but will not work well as the
> only source of ground. I once saw a carbon brush riding thru spring tension
> on a prop shaft, tying the prop to ground.
>  It can be tricky as sometimes you get ground loops and you must be aware
> of currents that can cause electrolysis.
>  For the antenna we primarily used a 23 ft whip, sometimes on large vessels
> a longwire.
>  This was before synthesized radios and autouners. My favorite radio was
> the
> Drake TRM which had a built in manual tuner and a 50 ohm output if you
> wanted
> to use a trapped vertical.
>  On  commercial fishing boats you had to leave the dock so that the
> outriggers
> could be lowered and trawl doors put in the water as this changed the
> tuning
> quite a bit from being at the dock. Interestingly enough I think the
> toughest
> time I had tuning  was on an 85 ft steel shrimp boat even with all that
> metal.
> .
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to k7vora...@gmail.com
>
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] CW rise time setting

[Fred Jensen]

Which sigmoid function did you model, Al?

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 6/9/2020 11:07 AM, Al Lorona wrote:

I used to think that the rise and fall times of the CW pulse didn't really 
matter much to the sideband levels; I believed that it was more a function of 
the waveshaping, especially at the corners of the pulse.

But I just ran a quick simulation of a pulse train going through both a raised 
cosine and then a sigmoid filter (because those two have been mentioned in this 
thread) and the rise time definitely does affect the pulse sidebands.

The reduction in the sideband levels (what some folks here called 'clicks'... 
not sure that's a good name for this) varies depending on where you measure it, 
but in general the sidebands will drop anywhere from 0 to 12 dB-- sometimes 
less, sometimes more--  when you go from 2 msec to 8 msec rise/fall times. For 
instance, arbitrarily choosing an offset of 500 Hz from the carrier, the 
sideband drops by 11 dB for the longer rise time. That turns out to be a fairly 
typical value. And by the way, in general the sigmoid does a better job than a 
raised cosine.

Arbitrarily defining the occupied bandwidth as the -60 dBc points of the 
spectrum, and using the sigmoid function with an exponent of -1, the bandwidth 
of the rise time = 8 msec pulse is 420 Hz versus 640 Hz for the pulse with 2 
msec rise time. It's not an enormous difference, but it is something.

Anyway, there's another data point for the discussion.

R,

Al  W6LX



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] KAT500 Remote software and KPA500 remote software

[Gordon LaPoint]

Can these remote software's be in host mode on startup?  I run a remote 
and would like to have them connect to the hardware and be in host mode 
on boot of the computer.  Right now I just log on remotely and start 
each one as needed.


Thanks,

Gordon - N1MGO

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] CW rise time setting

[Al Lorona]

I used to think that the rise and fall times of the CW pulse didn't really 
matter much to the sideband levels; I believed that it was more a function of 
the waveshaping, especially at the corners of the pulse.

But I just ran a quick simulation of a pulse train going through both a raised 
cosine and then a sigmoid filter (because those two have been mentioned in this 
thread) and the rise time definitely does affect the pulse sidebands. 

The reduction in the sideband levels (what some folks here called 'clicks'... 
not sure that's a good name for this) varies depending on where you measure it, 
but in general the sidebands will drop anywhere from 0 to 12 dB-- sometimes 
less, sometimes more--  when you go from 2 msec to 8 msec rise/fall times. For 
instance, arbitrarily choosing an offset of 500 Hz from the carrier, the 
sideband drops by 11 dB for the longer rise time. That turns out to be a fairly 
typical value. And by the way, in general the sigmoid does a better job than a 
raised cosine.

Arbitrarily defining the occupied bandwidth as the -60 dBc points of the 
spectrum, and using the sigmoid function with an exponent of -1, the bandwidth 
of the rise time = 8 msec pulse is 420 Hz versus 640 Hz for the pulse with 2 
msec rise time. It's not an enormous difference, but it is something.

Anyway, there's another data point for the discussion.

R,

Al  W6LX
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] Elecraft W2 For Sale (Sold Pending receipt of funds)

[Charles Tropp]

Many thanks for your interest.

-- 
73, Charles N2SO
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[W2xj]

i think your engineering challenge is primarily balancing esthetics against 
performance.

Sent from my iPad

> On Jun 9, 2020, at 6:52 AM, Peter Kaletsch  wrote:
> 
> Hi folks,
> 
> Thanks a lot for all answers and information! Some I still have to read more 
> accurate ana translate some special parts, because, as you can obviously read 
> from my post, my English is horrible.
> 
> I tend - and of course my wife does - to have a fixed installation. So 
> extendable fiberglass masts or something like this is not the solution we are 
> searching for.
> 
> I will think about all suggestions, try some of them and report later this 
> year, if there are any reporting worth solutions. We take over the boat 
> during the next 2 weeks and after that, there is a lot of other marine stuff 
> to do, before focusing on ham radio on board).
> 
> Further answer are highly welcomed
> 
> 
> 73, Peter
> 
> -Ursprüngliche Nachricht-
> Von: Kurt Pawlikowski [mailto:ku...@pinrod.com]
> Gesendet: Dienstag, 9. Juni 2020 03:16
> An: Peter Kaletsch ; elecraft@mailman.qth.net
> Betreff: Re: [Elecraft] K3 working on motorboats - possible
> 
> Peter,
> 
> In general, any vertical works lots better with more radials. As fresh 
> water is a fairly poor conductor, the more the merrier!
> Unfortunately, because most boats are wooden/fiberglass, what you can add 
> helps. I don't know if they have to be 1/4 wavelength (I've read yes and some 
> say at least 0.20 wavelength). For HF, this would be some serious lengths for 
> most boats! I expect you'd have to load them similar to the vertical element, 
> but I haven't read anything regarding loading
> radials: It's just a guess. I suppose one could attempt to replicate, to some 
> extent, a solid ground plane with foil or some other conductor (maybe chicken 
> wire?). It would seem a lot of work (and probably is!).
> If you're insistent on a vertical, it's a narrow field of variability.
> Some of the portable antenna's can make loaded dipoles or verticals, which 
> would operate fairly well without a ground plane. Another option might be a 
> magnetic loop (which doesn't care much about "ground" per se.
> It is affected by near-by conductors, tunes very narrowly, and is big 
> (compared to a mobile vertical). So, whatever you choose, it's all some sort 
> of compromise.
> 
> kurtt WB9FMC
> 
>> On 6/8/2020 3:47 PM, Peter Kaletsch wrote:
>> Hello fellows;
>> 
>> You are my last hope as I cannot imagine that I am the only one in the world 
>> who wants to try that.
>> 
>> For many months I have been trying in vain to get tips on how to operate a 
>> K3 well on a small 13 meter motor yacht. I am talking about fresh water 
>> usage (Lake Garda in Italy), not salt water, and of a GFK built boat.
>> 
>> A dipole is eliminated, it is not a sailing boat. I thought of using a 
>> Tarheel Antenna, but the manufacturer advised me against it.
>> 
>> So normal, shortened mobile antennas, mounted on the device carrier, where 
>> also the antenna for marine radio is located, should point the way ...?
>> 
>> But how do I get a reasonably effective earth? I read a lot of negative 
>> things about ground plates - fast growth, the hull has to be pierced.
>> 
>> I have already considered laying radials from the antenna base below deck in 
>> the invisible area, but will this work...?
>> 
>> I am very grateful for every tip and every help - also to
>> pkalet...@kaletsch-gmbh.de
>> 
>> Thanks in advance
>> 
>> Peter - DL1MDZ
>> 
>> 
>> 
>> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
>> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
>> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
>> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz 
>> der Gesellschaft: München | Hinweis / reference:
>> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
>> verwendet werden. The content of this Message may only be used for the 
>> intended purposes.
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net Please help support this email
>> list: http://www.qsl.net/donate.html Message delivered to
>> ku...@pinrod.com
> 
> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
> 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
> Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
> 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz der Gesellschaft: 
> München |
> Hinweis / reference:
> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
> verwendet werden. The content of this Message may only be used for the 
> intended purpo

Re: [Elecraft] K3/100 suddenly shut down on FT8 TX

[Bill Frantz]

I have seen this problem with my K3 when the voltage drops 
suddenly and the radio just shuts down. Check the voltage while 
sending using the internal volt meter in the radio and see 
whether the voltage significantly drops during transmit.


Gwen's idea of too much heat may also be correct, but I never 
had significant heat problems with my K3/100 running FT8 at 
100W. I could hear the fans speed up by the end of a FT8 cycle 
and then drop back by the end of a receive cycle. You can also 
monitor the PA TEMP to see how high it is.


Both these measurements are accessed by toggling DISP and 
turning the VFO B knob.


73 Bill AE6JV

On 6/9/20 at 10:33 PM, ja1nlx0...@my.email.ne.jp (Yoshida Akira) wrote:


Hi all

Thanks for suggestions. All look OK to me.

Power supply is Powerwerx ss-30DV. I do not use Powerpole connector
in the front panel, instead use terminal in the back panel.

I use this power supply for another TRX also and have never noticed the problem.

73

On 2020/06/09 9:00, Yoshida Akira wrote:

Hi all

I have never seen this for many years, however I recently noticed twice
when transmitting FT8 with 100W. No alarm and error message.
When I simply push POWER button in front panel then it turns ON again.

PA temp, DC voltage and DC current looks good. I do not believe RFI
cause this problem.

Any idea ?


---
Bill Frantz| gets() remains as a monument | Periwinkle
(408)348-7900  | to C's continuing support of | 150 
Rivermead Rd #235
www.pwpconsult.com | buffer overruns. | 
Peterborough, NH 03458


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] New Elecraft Nets

[Paul Van Dyke]

I thought I had posted information on all the Elecraft Nets including the
NEW 80 Meter Net to the list.
I have not seen it
Just seeing if this gets thru

Paul   KB9AVO
__
We have various ones ... stretch and meet others.
   Propagation means it all changes..
   Put a copy up in your shack
   Paul - KB9AVO


   The Elecraft Nets
--
   20 Meter SSB Elecraft Net
   Sunday  14.3035 +/- kHz at 1800Z

   40 Meter SSB Elecraft Net
   Sunday  7.280 kHz at 18:45z

   20 Meter CW Elecraft Net
   Sunday 14.050.5 kHz at 2200z:

   40 Meter CW Elecraft Net
   Sunday 7.047.5 kHz at z:

   80 Meter SSB Elecraft Net
   Sunday Night  3.940+/- at 01:00z
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

[Elecraft] K3 on motorboat.

[Frank C Richards]

 Having been in the marine electronics business I was able to successfully
install many HF radios on boats from large steel commercial fishing boats
to a small 28 ft fiberglass fishing boat and sailboats.
 Anything metal , engine, fuel tanks,rudder posts,thru hulls, morse control
cables,intercoolers outside of the hull,rub rail sections jumpered together
to form one continuous loop. Dynaplates help but will not work well as the
only source of ground. I once saw a carbon brush riding thru spring tension
on a prop shaft, tying the prop to ground.
 It can be tricky as sometimes you get ground loops and you must be aware
of currents that can cause electrolysis.
 For the antenna we primarily used a 23 ft whip, sometimes on large vessels
a longwire.
 This was before synthesized radios and autouners. My favorite radio was the
Drake TRM which had a built in manual tuner and a 50 ohm output if you
wanted
to use a trapped vertical.
 On  commercial fishing boats you had to leave the dock so that the
outriggers
could be lowered and trawl doors put in the water as this changed the tuning
quite a bit from being at the dock. Interestingly enough I think the
toughest
time I had tuning  was on an 85 ft steel shrimp boat even with all that
metal.
.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Two instances of WSJT on K3s with SubRX?

[Udo Langenohl - DK5YA]

Jim,

I do this for several years now  in order to have full Xpol diversity 
capability on my 144 MHz EME system. I'm listening and decoding Hpol 
with one instance and Vpol with the second WSJT instance just by 
selecting right and left channel for each.
Make sure to have both WSJT-X instances running in an own directory path 
each.


73 Udo, DK5YA

Am 08.06.2020 um 22:23 schrieb Jim Miller:

Has anyone run two instances of WSJT on a single K3s with the SubRX so as
to be able to monitor both 50.323 and 50.313?

Of course I'll only be able to transmit on the instance that has the Main
RX but it would be handy to be able to see both.

Thanks

Jim ab3cv
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to dk...@dk5ya.de



--
**
Webs by DK5YA:   *
http://www.mmmonvhf.de/  [editor]*
http://www.vhfdx.de/ [owner] *
http://www.palekastro.de/[owner] *
http://www.solweb.de/[owner] *
http://www.spessartwetter.de/[owner] *
**

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Two instances of WSJT on K3s with SubRX?

[Jim Miller]

Thanks!

I'll keep playing around.

jim ab3cv

On Tue, Jun 9, 2020 at 3:09 AM hdv  wrote:

> Hi Jim,
>
> Yes, I am using this set-up, using the USB audio connection. Works great.
>
> Just select right or left channel microphone audio in the Audio set-up of
> each instance of WSJT.
>
> It could be that you also need to set stereo in Windows 10.
> Go to the advanced microphone audio settings and select stereo with a high
> sampling rate.
> Be aware that this setting is sometimes reset to mono by W10 updates.
>
> 73 Henk
> PA0C
>
>
>
> Verzonden vanaf mijn Samsung Galaxy-smartphone.
>
>
>  Oorspronkelijk bericht 
> Van: Jim Miller 
> Datum: 08-06-2020 22:24 (GMT+01:00)
> Aan: Elecraft Reflector 
> Onderwerp: [Elecraft] Two instances of WSJT on K3s with SubRX?
>
> Has anyone run two instances of WSJT on a single K3s with the SubRX so as
> to be able to monitor both 50.323 and 50.313?
>
> Of course I'll only be able to transmit on the instance that has the Main
> RX but it would be handy to be able to see both.
>
> Thanks
>
> Jim ab3cv
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to h...@kpnplanet.nl
>
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] K3 working on motorboats - possible

[Peter Kaletsch]

Hi folks,

Thanks a lot for all answers and information! Some I still have to read more 
accurate ana translate some special parts, because, as you can obviously read 
from my post, my English is horrible.

I tend - and of course my wife does - to have a fixed installation. So 
extendable fiberglass masts or something like this is not the solution we are 
searching for.

I will think about all suggestions, try some of them and report later this 
year, if there are any reporting worth solutions. We take over the boat during 
the next 2 weeks and after that, there is a lot of other marine stuff to do, 
before focusing on ham radio on board).

Further answer are highly welcomed


73, Peter

-Ursprüngliche Nachricht-
Von: Kurt Pawlikowski [mailto:ku...@pinrod.com]
Gesendet: Dienstag, 9. Juni 2020 03:16
An: Peter Kaletsch ; elecraft@mailman.qth.net
Betreff: Re: [Elecraft] K3 working on motorboats - possible

Peter,

 In general, any vertical works lots better with more radials. As fresh 
water is a fairly poor conductor, the more the merrier!
Unfortunately, because most boats are wooden/fiberglass, what you can add 
helps. I don't know if they have to be 1/4 wavelength (I've read yes and some 
say at least 0.20 wavelength). For HF, this would be some serious lengths for 
most boats! I expect you'd have to load them similar to the vertical element, 
but I haven't read anything regarding loading
radials: It's just a guess. I suppose one could attempt to replicate, to some 
extent, a solid ground plane with foil or some other conductor (maybe chicken 
wire?). It would seem a lot of work (and probably is!).
If you're insistent on a vertical, it's a narrow field of variability.
Some of the portable antenna's can make loaded dipoles or verticals, which 
would operate fairly well without a ground plane. Another option might be a 
magnetic loop (which doesn't care much about "ground" per se.
It is affected by near-by conductors, tunes very narrowly, and is big (compared 
to a mobile vertical). So, whatever you choose, it's all some sort of 
compromise.

 kurtt WB9FMC

On 6/8/2020 3:47 PM, Peter Kaletsch wrote:
> Hello fellows;
>
> You are my last hope as I cannot imagine that I am the only one in the world 
> who wants to try that.
>
> For many months I have been trying in vain to get tips on how to operate a K3 
> well on a small 13 meter motor yacht. I am talking about fresh water usage 
> (Lake Garda in Italy), not salt water, and of a GFK built boat.
>
> A dipole is eliminated, it is not a sailing boat. I thought of using a 
> Tarheel Antenna, but the manufacturer advised me against it.
>
> So normal, shortened mobile antennas, mounted on the device carrier, where 
> also the antenna for marine radio is located, should point the way ...?
>
> But how do I get a reasonably effective earth? I read a lot of negative 
> things about ground plates - fast growth, the hull has to be pierced.
>
> I have already considered laying radials from the antenna base below deck in 
> the invisible area, but will this work...?
>
> I am very grateful for every tip and every help - also to
> pkalet...@kaletsch-gmbh.de
>
> Thanks in advance
>
> Peter - DL1MDZ
>
>
> 
> Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel:
> +49 (0) 89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | 
> i...@kaletsch-gmbh.de | Handelsregisternummer HRB 108093 | Amtsgericht 
> Muenchen | Steuer-Nr: 143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz 
> der Gesellschaft: München | Hinweis / reference:
> Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke 
> verwendet werden. The content of this Message may only be used for the 
> intended purposes.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html Message delivered to
> ku...@pinrod.com

Peter Kaletsch GmbH | Fürstenrieder Straße 275 | 81377 München | Tel: +49 (0) 
89 / 89 60 93 - 0 | Fax: +49 (0) 89 / 89 60 93 - 99 | i...@kaletsch-gmbh.de | 
Handelsregisternummer HRB 108093 | Amtsgericht Muenchen | Steuer-Nr: 
143/170/40017 | Geschäftsführer: Peter Kaletsch | Sitz der Gesellschaft: 
München |
Hinweis / reference:
Die Inhalte dieser Nachricht dürfen nur für die beabsichtigten Zwecke verwendet 
werden. The content of this Message may only be used for the intended purposes.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message deliv

[Elecraft] W-2 Wattmeter for Sale

[Charles Tropp]

I have a W-2 that needs a new home. Includes 1 2K power sensor, PC
Cable with RS232 connector and power cable with Anderson power poles.
Price $195 includes CONUS postage. Paypal OK.

-- 
73, Charles N2SO
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Using P3 Remotely

[CUTTER DAVID via Elecraft]

Wayne did this at Visalia but I've forgotten how he did it.  I recall he used a 
little laptop. 

David G3UNA/G6CP

> On 09 June 2020 at 04:20 Ken Widelitz  wrote:
> 
> 
> Is anyone using a P3 remotely? If so, how? What is the bandwidth required?
> 
> 73, Ken, K6LA / VY2TT
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to d.cut...@ntlworld.com
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com 

Re: [Elecraft] Two instances of WSJT on K3s with SubRX?

[hdv]

Hi Jim,Yes, I am using this set-up, using the USB audio connection. Works 
great.Just select right or left channel microphone audio in the Audio set-up of 
each instance of WSJT.It could be that you also need to set stereo in Windows 
10. Go to the advanced microphone audio settings and select stereo with a high 
sampling rate.Be aware that this setting is sometimes reset to mono by W10 
updates.73 HenkPA0CVerzonden vanaf mijn Samsung Galaxy-smartphone.
 Oorspronkelijk bericht Van: Jim Miller  
Datum: 08-06-2020  22:24  (GMT+01:00) Aan: Elecraft Reflector 
 Onderwerp: [Elecraft] Two instances of WSJT on K3s 
with SubRX? Has anyone run two instances of WSJT on a single K3s with the SubRX 
so asto be able to monitor both 50.323 and 50.313?Of course I'll only be able 
to transmit on the instance that has the MainRX but it would be handy to be 
able to see both.ThanksJim 
ab3cv__Elecraft 
mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis list 
hosted by: http://www.qsl.netPlease help support this email list: 
http://www.qsl.net/donate.htmlMessage delivered to h...@kpnplanet.nl 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com