Re: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500

[Paul Baldock]

Thanks. I'll try it tomorrow.

- Paul

At 10:24 PM 1/8/2018, Jack Brindle wrote:
As Cliff notes, that is what the SERIAL setting 
is designed for. If you do this, set RADIO to 
SERIAL,  the RS232 X setting for the radio’s 
data rate,  and then set SER POLL to OFF. 
Setting SER POLL to ON will allow you to use the 
radio and KPA without the computer.


Remember, the KPA is listening to the data 
coming FROM the radio. Also, when SER POLL is 
ON, the KPA expects to talk on the serial port 
to the radio. It is disconnected from the data 
line going to the radio when SER POLL is OFF so 
as not to interfere with the computer.


If you run into any problems, just ask!

- Jack, W6FB


> On Jan 8, 2018, at 9:55 PM, Cliff Frescura  wrote:
>
> Yes, you can make a "sniffer" that sends data to the KPA500 from the radio.
>
> This is exactly how I used my KPA500 with my TS-940.
>
> 73,
>
> Cliff K3LL/6
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Paul Baldock
> Sent: Monday, January 08, 2018 6:23 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500
>
> Is it possible to connect a PC to the RS232 of the Kenwood TS-2000 and then
> T of the same cable to send just the data (and gnd) from the
> TS-2000 to the KPA-500. The logging program on the PC would do the polling
> of the TS-2000.
>
> Thanks
>
> - Paul  KW7Y
>
> __
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Re: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500

[Jack Brindle]

As Cliff notes, that is what the SERIAL setting is designed for. If you do 
this, set RADIO to SERIAL,  the RS232 X setting for the radio’s data rate,  and 
then set SER POLL to OFF. Setting SER POLL to ON will allow you to use the 
radio and KPA without the computer.

Remember, the KPA is listening to the data coming FROM the radio. Also, when 
SER POLL is ON, the KPA expects to talk on the serial port to the radio. It is 
disconnected from the data line going to the radio when SER POLL is OFF so as 
not to interfere with the computer.

If you run into any problems, just ask!

- Jack, W6FB


> On Jan 8, 2018, at 9:55 PM, Cliff Frescura  wrote:
> 
> Yes, you can make a "sniffer" that sends data to the KPA500 from the radio.
> 
> This is exactly how I used my KPA500 with my TS-940.
> 
> 73,
> 
> Cliff K3LL/6
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Paul Baldock
> Sent: Monday, January 08, 2018 6:23 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500
> 
> Is it possible to connect a PC to the RS232 of the Kenwood TS-2000 and then
> T of the same cable to send just the data (and gnd) from the
> TS-2000 to the KPA-500. The logging program on the PC would do the polling
> of the TS-2000.
> 
> Thanks
> 
> - Paul  KW7Y
> 
> __
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> 
> 
> 
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Re: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500

[Cliff Frescura]

Yes, you can make a "sniffer" that sends data to the KPA500 from the radio.

This is exactly how I used my KPA500 with my TS-940.

73,

Cliff K3LL/6

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Paul Baldock
Sent: Monday, January 08, 2018 6:23 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500

Is it possible to connect a PC to the RS232 of the Kenwood TS-2000 and then
T of the same cable to send just the data (and gnd) from the
TS-2000 to the KPA-500. The logging program on the PC would do the polling
of the TS-2000.

Thanks

- Paul  KW7Y

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Re: [Elecraft] PAR/LNR EFHW antenna

[K9MA]

I would be cautious about using a transformer above 40 meters, as the 
stray capacitance may be too large.  I haven't tried it, though, so it 
might work with some transformers.


73,
Scott K9MA

On 1/8/2018 20:22, VE3GAM wrote:

the End Fed Half Wave Antennas group on Facebook,
started by N4LQ, Steve Ellington,
promotes the use of a 49:1 transformer

Steve does have a couple of videos on Youtube where
he shows you him making one of these transformers

check out how to build one,
image is on Elgin Amateur Radio Society's website


List of vendors of these if you do not want to build your own


 49:1 Transformer Vendors
 -

 myantennas
 http://myantennas.com/wp/

 hyendcompany
 https://www.hyendcompany.nl/

 balundesigns
 http://www.balundesigns.com/

 MFJ
 MFJ-1982LP/MP/HP, MFJ-1984LP/MP/HP
 http://www.mfjenterprises.com/

 packtenna (QRP only)
 http://packtenna.com/

 communicationworld
 https://www.communicationworld.nl/antennes_end_fed_zelfbouw


 2017.10.12 Al VE3GAM

al ve3gam



--
From: "K9MA" 
Sent: Monday, January 08, 2018 8:39 PM
To: 
Subject: Re: [Elecraft] PAR/LNR EFHW antenna


On 1/8/2018 16:59, Rich Arland wrote:
Failing that path, has anyone hooked an EFHW to the internal ATU 
with good results? I would also include a cut to frequency ground 
radial that I would lay out below the antenna. That would be the 
easiest thing and simple to employ.


That definitely will not work:  The impedance of the EFHW is much to 
high for any internal ATU to match.  The 64:1 balun may work, though 
I haven't tried one.  QRPKITS has a QRP tuner, but it works only on a 
single band. Most any of the external antenna tuners will work, 
though they may be lossy.


The best solution, I think, is to build your own L-network tuner.  
One coil, a 3-position switch, and one variable capacitor.  You don't 
have to get a perfect match, just within the range of the internal 
ATU, like 3:1. Once you find the right coil tap positions, the 
internal ATU should be able to handle the small mismatch with 
different antenna installations, etc.


It may seem like a lot of trouble, but if you can match the EFHW, 
it's just about the most effective simple wire antenna you can use.


73,

Scott K9MA

--
Scott  K9MA

k...@sdellington.us

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--
Scott  K9MA

k...@sdellington.us

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[Elecraft] Connecting RS232 to TS-2000 and a PC and a KPA500

[Paul Baldock]

Is it possible to connect a PC to the RS232 of the Kenwood TS-2000 
and then T of the same cable to send just the data (and gnd) from the 
TS-2000 to the KPA-500. The logging program on the PC would do the 
polling of the TS-2000.


Thanks

- Paul  KW7Y

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Re: [Elecraft] PAR/LNR EFHW antenna

[VE3GAM]

the End Fed Half Wave Antennas group on Facebook,
started by N4LQ, Steve Ellington,
promotes the use of a 49:1 transformer

Steve does have a couple of videos on Youtube where
he shows you him making one of these transformers

check out how to build one,
image is on Elgin Amateur Radio Society's website


List of vendors of these if you do not want to build your own


 49:1 Transformer Vendors
 -

 myantennas
 http://myantennas.com/wp/

 hyendcompany
 https://www.hyendcompany.nl/

 balundesigns
 http://www.balundesigns.com/

 MFJ
 MFJ-1982LP/MP/HP, MFJ-1984LP/MP/HP
 http://www.mfjenterprises.com/

 packtenna (QRP only)
 http://packtenna.com/

 communicationworld
 https://www.communicationworld.nl/antennes_end_fed_zelfbouw


 2017.10.12 Al VE3GAM

al ve3gam



--
From: "K9MA" 
Sent: Monday, January 08, 2018 8:39 PM
To: 
Subject: Re: [Elecraft] PAR/LNR EFHW antenna


On 1/8/2018 16:59, Rich Arland wrote:
Failing that path, has anyone hooked an EFHW to the internal ATU with 
good results? I would also include a cut to frequency ground radial that 
I would lay out below the antenna. That would be the easiest thing and 
simple to employ.


That definitely will not work:  The impedance of the EFHW is much to high 
for any internal ATU to match.  The 64:1 balun may work, though I haven't 
tried one.  QRPKITS has a QRP tuner, but it works only on a single band. 
Most any of the external antenna tuners will work, though they may be 
lossy.


The best solution, I think, is to build your own L-network tuner.  One 
coil, a 3-position switch, and one variable capacitor.  You don't have to 
get a perfect match, just within the range of the internal ATU, like 3:1. 
Once you find the right coil tap positions, the internal ATU should be 
able to handle the small mismatch with different antenna installations, 
etc.


It may seem like a lot of trouble, but if you can match the EFHW, it's 
just about the most effective simple wire antenna you can use.


73,

Scott K9MA

--
Scott  K9MA

k...@sdellington.us

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Re: [Elecraft] PAR/LNR EFHW antenna

[Bill Johnson]

I agree with what has Scott has written.  EFHW from what I have read and 
experienced, generally have ~ 3000+ ohm impedance at feed point.  Thus the need 
for an adequate transformer, most usually to match 50 Ohms.  I use one on 160 
and 80 meters (where it is really a full wave) at home by using a toroid and 
windings with a tap.   I do use a tuner for slight changes when the length 
doesn't match the frequency I choose to use.  A counter balance removes the 
idea and radiation of the EFHW.  A very short ground is important to remove 
static potential on the low side of the coil to protect equipment.  If you 
google EFHW's you will finds loads of great stuff to read and help you.  Good 
luck.  

I happen to like the ones I am using, but did buy a factory built coil after I 
found my personally built could not give a native match at the desired freq as 
my toroid did not have adequate specs despite what I had calculated would work. 
 The site I got my initial info from was incorrect and the co I bought the 
toroid and wire from had an inadequate description.  Live and learn.  My home 
made works best on EFHW above 40 meters.  

My commercially built transformer in the 160 has very narrow bandwidth.  A 
remotely operated tuner broadens it but efficiency is  reduced once off the 
designed frequency. In the design is the selection of wire length and height 
into the matching transformer.  I do have the multiband EFHW but that requires 
the appropriate wire length on each band.  I carry the appropriate wires in my 
antenna kit inside the KX2 large case.   The small gauge silk-like wire is also 
light and small.  I have a super light 43' collapsible shore fishing pole to 
string out the wire, versus getting a launched wire stuck in a tree and then be 
potentially guilty of littering in the state park where I like to hang out.

73,
Bill
K9YEQ

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of K9MA
Sent: Monday, January 8, 2018 7:39 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] PAR/LNR EFHW antenna

On 1/8/2018 16:59, Rich Arland wrote:
> Failing that path, has anyone hooked an EFHW to the internal ATU with good 
> results? I would also include a cut to frequency ground radial that I would 
> lay out below the antenna. That would be the easiest thing and simple to 
> employ.

That definitely will not work:  The impedance of the EFHW is much to high for 
any internal ATU to match.  The 64:1 balun may work, though I haven't tried 
one.  QRPKITS has a QRP tuner, but it works only on a single band.  Most any of 
the external antenna tuners will work, though they may be lossy.

The best solution, I think, is to build your own L-network tuner.  One coil, a 
3-position switch, and one variable capacitor.  You don't have to get a perfect 
match, just within the range of the internal ATU, like 3:1.  Once you find the 
right coil tap positions, the internal ATU should be able to handle the small 
mismatch with different antenna installations, etc.

It may seem like a lot of trouble, but if you can match the EFHW, it's just 
about the most effective simple wire antenna you can use.

73,

Scott K9MA

--
Scott  K9MA

k...@sdellington.us

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Re: [Elecraft] PAR/LNR EFHW antenna

[Eric J]

Steve, AA5TB, has a great piece on his site appropriately called How to Make an 
End Fed Half Wave Antenna Work. I have the EARCHI and I've built from Steve's 
guidance. I use them when trailer camping. Very happy with both.

Eric KE6US

On 1/8/2018 2:59 PM, Rich Arland wrote:

I have one of the original PAR end fed half wave antennas prior to LNR taking 
over production and sales.


Everything is present EXCEPT the little matching network that couples the EFHW 
to the radio. I tried contacting LNR to obtain a new one but they told me that 
they couldn't do that, BUT they would sell me a new version  of the complete 
antenna for the paltry sum of around $80! I said "no thanks" and hung up the 
phone.


I am after the schematic or the best guess of the components and parts 
placement that will resonate this 40-30-20M antenna. It's not rocket science 
but it's close!! As I understand it these antennas are fairly high impedance 
wise, so I need some kind of matching network to bring that down to around 50 
ohms for the KX2.


Failing that path, has anyone hooked an EFHW to the internal ATU with good 
results? I would also include a cut to frequency ground radial that I would lay 
out below the antenna. That would be the easiest thing and simple to employ.


Over the next 10-12 days I am planning on doing some portable operating from MD 
and PA. Taking the KX2 with me and hope to get some operating time between 
family obligations.


Opinions, observations, ideas please.


Vy 73 es gud DX!

Rich Arland   K7SZ





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Re: [Elecraft] PAR/LNR EFHW antenna

[K9MA]

On 1/8/2018 16:59, Rich Arland wrote:

Failing that path, has anyone hooked an EFHW to the internal ATU with good 
results? I would also include a cut to frequency ground radial that I would lay 
out below the antenna. That would be the easiest thing and simple to employ.


That definitely will not work:  The impedance of the EFHW is much to 
high for any internal ATU to match.  The 64:1 balun may work, though I 
haven't tried one.  QRPKITS has a QRP tuner, but it works only on a 
single band.  Most any of the external antenna tuners will work, though 
they may be lossy.


The best solution, I think, is to build your own L-network tuner.  One 
coil, a 3-position switch, and one variable capacitor.  You don't have 
to get a perfect match, just within the range of the internal ATU, like 
3:1.  Once you find the right coil tap positions, the internal ATU 
should be able to handle the small mismatch with different antenna 
installations, etc.


It may seem like a lot of trouble, but if you can match the EFHW, it's 
just about the most effective simple wire antenna you can use.


73,

Scott K9MA

--
Scott  K9MA

k...@sdellington.us

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Re: [Elecraft] Elecraft Hex Key worth?

[Scott Manthe]

No worries, John! I should have been a little more specific. We see the 
world through our own eyes, which is the source of much confusion.


73,
Scott N9AA


On 1/8/18 7:16 PM, j...@kk9a.com wrote:

Sorry, I was not aware that you were referring to an Elecraft CW paddle. I
was not aware that they made these. To me a hex key is the same as an Allen
wrench which is inside an Elecraft envelope with every transceiver and
k-pod.

John KK9A



john wrote:
$1?

John KK9A



Scott Manthe wrote:

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one
in great shape that I'm considering selling.

Thanks,

Scott N9AA



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Re: [Elecraft] [P3] Another symmetry question

[Randy Farmer]

This "feature" has been commented on in the past. It appears the P3 
automatically recomputes the display limits in Fixed Tune mode if the K3 
frequency is changed via the RS232 port (i.e., the P3 gets the frequency 
change command). When I use the Band buttons on the KPA500 to change 
bands the P3 display limits don't change -- probably because the 
frequency change is commanded by way of the serial bus between the 
transceiver and the amp.


I also find this quite annoying and would like the P3 to respect my 
manual settings when a QSY is commanded.


73...
Randy, W8FN

On 1/8/2018 6:06 PM, Bill Frantz wrote:

I think the following issue may be part of the same problem.

For the WARC bands, I like to have the P3 set up to show the whole 
band. When I use wsjt-x to switch to 17M, the P3 changes from showing 
100KHz between 18.068 and 18.168 to showing 100KHz from 18.100 to 
18.200. Annoying.


73 Bill AE6JV

On 1/8/18 at 3:34 PM, k6...@foothill.net (Fred Jensen) wrote:

When I change bands using BAND UP/DN, the P3 seems to preserve this 
configuration from band to band.  The same seems to hold when I use 
direct frequency entry.  However, when running N1MM+, typing a 
frequency into the call sign window will go to that frequency on the 
radio but will put the span edges at odd 20 KHz boundaries 
[3510-3530, 3530-3550] and sometimes at 3515-3535.


--
Bill Frantz    | There are now so many exceptions to the
408-356-8506   | Fourth Amendment that it operates only by
www.pwpconsult.com | accident.  -  William Hugh Murray


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[Elecraft] Elecraft Hex Key worth?

[john]

Sorry, I was not aware that you were referring to an Elecraft CW paddle. I
was not aware that they made these. To me a hex key is the same as an Allen
wrench which is inside an Elecraft envelope with every transceiver and
k-pod.

John KK9A



john wrote: 
$1?

John KK9A



Scott Manthe wrote:

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one
in great shape that I'm considering selling.

Thanks,

Scott N9AA

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Re: [Elecraft] [P3] Another symmetry question

[Bill Frantz]

I think the following issue may be part of the same problem.

For the WARC bands, I like to have the P3 set up to show the 
whole band. When I use wsjt-x to switch to 17M, the P3 changes 
from showing 100KHz between 18.068 and 18.168 to showing 100KHz 
from 18.100 to 18.200. Annoying.


73 Bill AE6JV

On 1/8/18 at 3:34 PM, k6...@foothill.net (Fred Jensen) wrote:

When I change bands using BAND UP/DN, the P3 seems to preserve 
this configuration from band to band.  The same seems to hold 
when I use direct frequency entry.  However, when running 
N1MM+, typing a frequency into the call sign window will go to 
that frequency on the radio but will put the span edges at odd 
20 KHz boundaries [3510-3530, 3530-3550] and sometimes at 3515-3535.


--
Bill Frantz| There are now so many exceptions to the
408-356-8506   | Fourth Amendment that it operates only by
www.pwpconsult.com | accident.  -  William Hugh Murray

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Re: [Elecraft] PAR/LNR EFHW antenna

[Rich Arland]

Dennis, Mel and Rich:


Thanks for the quick replies. I have googled the EFHW and have some baseline 
info to play with.


My original idea was to use the internal ATU of the KX2 coupled directly to 
antenna and put a counterpoise on the ground side of the a rig's antenna 
connector.


I have the Super Antennas MP-1 with extra extension mast sections and a bunch 
of radials, so in the grand scheme of things if I can't get the EFHW to work 
properly I can  revert to the MP-1.


The QRP Guys have a neat little tuner that I might try. My parts bench stock 
has dwindled over the last few years and Radio Shack is no longer with us for 
parts and components, so it looks like I will be scrounging!!


Vy 73 es gud DX!

Rich Arland   K7SZ

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Re: [Elecraft] PAR/LNR EFHW antenna

[Walter Underwood]

This article opens up the match box and figures out the contents.

http://www.hamradio.me/antennas/lnr-precision-ef-102040mkii-examination.html

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

> On Jan 8, 2018, at 3:07 PM, rich hurd WC3T  wrote:
> 
> Try a 64:1 balun.  That's what our antenna expert at our club suggests for
> resonant end fed antennas.
> 
> On Mon, Jan 8, 2018 at 5:59 PM, Rich Arland  wrote:
> 
>> I have one of the original PAR end fed half wave antennas prior to LNR
>> taking over production and sales.
>> 
>> 
>> Everything is present EXCEPT the little matching network that couples the
>> EFHW to the radio. I tried contacting LNR to obtain a new one but they told
>> me that they couldn't do that, BUT they would sell me a new version  of the
>> complete antenna for the paltry sum of around $80! I said "no thanks" and
>> hung up the phone.
>> 
>> 
>> I am after the schematic or the best guess of the components and parts
>> placement that will resonate this 40-30-20M antenna. It's not rocket
>> science but it's close!! As I understand it these antennas are fairly high
>> impedance wise, so I need some kind of matching network to bring that down
>> to around 50 ohms for the KX2.
>> 
>> 
>> Failing that path, has anyone hooked an EFHW to the internal ATU with good
>> results? I would also include a cut to frequency ground radial that I would
>> lay out below the antenna. That would be the easiest thing and simple to
>> employ.
>> 
>> 
>> Over the next 10-12 days I am planning on doing some portable operating
>> from MD and PA. Taking the KX2 with me and hope to get some operating time
>> between family obligations.
>> 
>> 
>> Opinions, observations, ideas please.
>> 
>> 
>> Vy 73 es gud DX!
>> 
>> Rich Arland   K7SZ
>> 
>> 
>> __
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>> Message delivered to r...@wc3t.us
>> 
> 
> 
> 
> -- 
> ---
> 72,
> Rich Hurd / WC3T / DMR: 3142737
> PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
> for Scouting
> Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
> *FN20is*
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Re: [Elecraft] PAR/LNR EFHW antenna

[brian]

Consider what W8JI says about end fed ants.  He also addresses the PAR.
Interesting observation from one set of calcs he did- Maximum antenna 
current is .758 amperes, while the coax common mode current maximum is 
actually 1.02 amperes!


https://www.w8ji.com/end-fed_1_2_wave_matching_system_end%20feed.htm

Without a decent counterpoise, the Z you see could be anything.  What 
you see will be a function of your particular counterpoise.


Yes it can work with the KX2 with no coax feed line and those power levels.

His remarks about using high power are interesting.

73 de Brian/K3KO

On 1/8/2018 23:07 PM, rich hurd WC3T wrote:

Try a 64:1 balun.  That's what our antenna expert at our club suggests for
resonant end fed antennas.

On Mon, Jan 8, 2018 at 5:59 PM, Rich Arland  wrote:


I have one of the original PAR end fed half wave antennas prior to LNR
taking over production and sales.


Everything is present EXCEPT the little matching network that couples the
EFHW to the radio. I tried contacting LNR to obtain a new one but they told
me that they couldn't do that, BUT they would sell me a new version  of the
complete antenna for the paltry sum of around $80! I said "no thanks" and
hung up the phone.


I am after the schematic or the best guess of the components and parts
placement that will resonate this 40-30-20M antenna. It's not rocket
science but it's close!! As I understand it these antennas are fairly high
impedance wise, so I need some kind of matching network to bring that down
to around 50 ohms for the KX2.


Failing that path, has anyone hooked an EFHW to the internal ATU with good
results? I would also include a cut to frequency ground radial that I would
lay out below the antenna. That would be the easiest thing and simple to
employ.


Over the next 10-12 days I am planning on doing some portable operating
from MD and PA. Taking the KX2 with me and hope to get some operating time
between family obligations.


Opinions, observations, ideas please.


Vy 73 es gud DX!

Rich Arland   K7SZ


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Re: [Elecraft] Elecraft Hex Key worth?

[Merv Schweigert via Elecraft]

If it was binary it would be worth a lot more,  and work with the Elecraft
gear,  but being Hex it does not have much use these days.
Id be afraid of it casting a spell on my radio,  not going to put a Hex 
on mine.


Merv K9FD/KH6

$1?

John KK9A



Scott Manthe wrote:

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one
in great shape that I'm considering selling.

Thanks,

Scott N9AA


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.



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[Elecraft] [P3] Another symmetry question

[Fred Jensen]

I have a K3/100.  For CW and RTTY below 10 m, I normally run a 20 KHz 
span with the ends of the span on even 20 KHz boundaries [3500-3520, 
3520-3540, etc].  I'm in Fixed Tune mode where the span edges remain 
fixed and the VFO cursors move as I tune.  Tuning off the edge results 
in a full 20 KHz shift [IAW, a new 20 KHz span].


When I change bands using BAND UP/DN, the P3 seems to preserve this 
configuration from band to band.  The same seems to hold when I use 
direct frequency entry.  However, when running N1MM+, typing a frequency 
into the call sign window will go to that frequency on the radio but 
will put the span edges at odd 20 KHz boundaries [3510-3530, 3530-3550] 
and sometimes at 3515-3535.


Does anyone know how the P3 recalculates the span edges on band changes 
from an external control program?  If I knew, I might be able to compensate.


73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
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Re: [Elecraft] PAR/LNR EFHW antenna

[Dennis Moore]

I've had success with this unun on my K2/10 and a FT-897 at 100 
watts/external tuner. Used a random length of wire tossed up in a tree, 
haven't tried to make one resonant.


http://www.earchi.org/92011endfedfiles/Endfed6_40.pdf

73, Dennis NJ6G


On 1/8/2018 14:59, Rich Arland wrote:

I am after the schematic or the best guess of the components and parts 
placement that will resonate this 40-30-20M antenna. It's not rocket science 
but it's close!! As I understand it these antennas are fairly high impedance 
wise, so I need some kind of matching network to bring that down to around 50 
ohms for the KX2.


Failing that path, has anyone hooked an EFHW to the internal ATU with good 
results? I would also include a cut to frequency ground radial that I would lay 
out below the antenna. That would be the easiest thing and simple to employ.


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Re: [Elecraft] PAR/LNR EFHW antenna

[rich hurd WC3T]

Try a 64:1 balun.  That's what our antenna expert at our club suggests for
resonant end fed antennas.

On Mon, Jan 8, 2018 at 5:59 PM, Rich Arland  wrote:

> I have one of the original PAR end fed half wave antennas prior to LNR
> taking over production and sales.
>
>
> Everything is present EXCEPT the little matching network that couples the
> EFHW to the radio. I tried contacting LNR to obtain a new one but they told
> me that they couldn't do that, BUT they would sell me a new version  of the
> complete antenna for the paltry sum of around $80! I said "no thanks" and
> hung up the phone.
>
>
> I am after the schematic or the best guess of the components and parts
> placement that will resonate this 40-30-20M antenna. It's not rocket
> science but it's close!! As I understand it these antennas are fairly high
> impedance wise, so I need some kind of matching network to bring that down
> to around 50 ohms for the KX2.
>
>
> Failing that path, has anyone hooked an EFHW to the internal ATU with good
> results? I would also include a cut to frequency ground radial that I would
> lay out below the antenna. That would be the easiest thing and simple to
> employ.
>
>
> Over the next 10-12 days I am planning on doing some portable operating
> from MD and PA. Taking the KX2 with me and hope to get some operating time
> between family obligations.
>
>
> Opinions, observations, ideas please.
>
>
> Vy 73 es gud DX!
>
> Rich Arland   K7SZ
>
>
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> Message delivered to r...@wc3t.us
>



-- 
---
72,
Rich Hurd / WC3T / DMR: 3142737
PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
for Scouting
Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
*FN20is*
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Re: [Elecraft] PTT switch for K3

[Bill Frantz]

I built my own with a pushbutton switch that had what seemed 
like a good feel from a ham fest.


It consists of two wedges of wood to set the angle of the pedal, 
a base of 1/4" plywood with the switched recessed so just the 
top is above the base, and a piece of 3/16" plywood hinged to 
push the switch with the foot. The hinge is a piece of gaffer's 
tape -- duct tape would also work. I may have to replace the 
tape sometime, but it has held up well for about 4 years.


After I used it for a while, I added a "dead pedel" on the right 
side. This lets me rest my foot on the dead pedal and just twist 
the foot it to transmit. I would look for a dead pedal feature 
in any commercial pedal, since holding my foot up caused sore 
muscles after a while.


Some of the musician pedals can be switched between push-on, 
release-off and push to toggle on/off. If you talk for a long 
time, this option might be attractive and a substitute for a 
dead pedal.


73 Bill AE6JV

---
Bill Frantz| Concurrency is hard. 12 out  | Periwinkle
(408)356-8506  | 10 programmers get it wrong. | 16345 
Englewood Ave
www.pwpconsult.com |- Jeff Frantz | Los Gatos, 
CA 95032


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[Elecraft] PAR/LNR EFHW antenna

[Rich Arland]

I have one of the original PAR end fed half wave antennas prior to LNR taking 
over production and sales.


Everything is present EXCEPT the little matching network that couples the EFHW 
to the radio. I tried contacting LNR to obtain a new one but they told me that 
they couldn't do that, BUT they would sell me a new version  of the complete 
antenna for the paltry sum of around $80! I said "no thanks" and hung up the 
phone.


I am after the schematic or the best guess of the components and parts 
placement that will resonate this 40-30-20M antenna. It's not rocket science 
but it's close!! As I understand it these antennas are fairly high impedance 
wise, so I need some kind of matching network to bring that down to around 50 
ohms for the KX2.


Failing that path, has anyone hooked an EFHW to the internal ATU with good 
results? I would also include a cut to frequency ground radial that I would lay 
out below the antenna. That would be the easiest thing and simple to employ.


Over the next 10-12 days I am planning on doing some portable operating from MD 
and PA. Taking the KX2 with me and hope to get some operating time between 
family obligations.


Opinions, observations, ideas please.


Vy 73 es gud DX!

Rich Arland   K7SZ

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Re: [Elecraft] Panadapter Symmetry Question

[Wes Stewart]

Doug,

I have two K3s and two SDR-IQs and don't see this on either.  How wide are you 
sweeping?  Across a 190 kHz band there is a little difference probably 
attributable to filtering in the K3, but it's really minor and more-or-less 
symmetrical.  I usually use 50 kHz in the menu and then sweep only 20 or 30 kHz.


Wes  N7WS

On 1/8/2018 12:35 PM, Doug Millar via Elecraft wrote:

Hi, I have been noticing that on my P3 and on an SDR IQ hooked to the iF output 
of either of two K3's,  that there is a small difference in level from one side 
of zero beat to the other. The noise is about five db higher on the high 
frequency side than on the lower side. Same on two different K3's, both with 
upgraded PLL's. I know it is minor, but I am using the K3 as a back end for my 
EME station and the higher noise tends to cover some signals.  Anyone else 
noticed it? Any fixes or adjustments?   JPEG available.    Thanks, Doug K6JEY

Dr.Doug Millar EdD.
K6JEY
drzarko...@yahoo.com
562 810 3989  cell/text



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Re: [Elecraft] Elecraft Hex Key worth?

[Charlie T]

Mine must be REAY valuable since the Elecraft logo is incorrectly
stamped upside down!
True collectors, stop salivating, it's NOT for sale.

(Shade of the "Inverted Jenny" USPS stamp..)

Chas


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Mike Morrow
Sent: Monday, January 08, 2018 5:07 PM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Elecraft Hex Key worth?


>Does anyone know what an Elecraft labeled Hex Key is worth? I've got 
>one in great shape that I'm considering selling.
>
>Thanks,
>Scott N9AA

Have you contacted the Elecraft Hex Key Collectors' Association (EHKCA)
website, or joined their e-mail list on QTH.net?

Frankly, run-of-the-mill garden-variety Elecraft hex keys seldom bring more
than a C-note, even when accompanied with the original Elecraft sales
receipts, owner's manuals, and authenticating certificates.  It's common
knowledge in the Elecraft hex key collector community that only low
serial-numbered hex keys with the winged Elecraft emblem bring top dollar or
trade.  If you are the lucky owner of one of those extremely-rare and
highly-desired beauties, announce details on the list I noted above or on
the "Classifieds" page of the EHKCA website.  You may be able to arrange
even trade for a new K3s/KPA1500/P3 combo!

Good luck!

Mike / KK5F
EHKCA Member 13P-237784
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Re: [Elecraft] Elecraft Hex Key worth?

[Mike Morrow]

>Does anyone know what an Elecraft labeled Hex Key is worth? I've got one 
>in great shape that I'm considering selling.
>
>Thanks,
>Scott N9AA

Have you contacted the Elecraft Hex Key Collectors' Association (EHKCA) 
website, or joined their e-mail list on QTH.net?

Frankly, run-of-the-mill garden-variety Elecraft hex keys seldom bring more 
than a C-note, even when accompanied with the original Elecraft sales receipts, 
owner's manuals, and authenticating certificates.  It's common knowledge in the 
Elecraft hex key collector community that only low serial-numbered hex keys 
with the winged Elecraft emblem bring top dollar or trade.  If you are the 
lucky owner of one of those extremely-rare and highly-desired beauties, 
announce details on the list I noted above or on the "Classifieds" page of the 
EHKCA website.  You may be able to arrange even trade for a new K3s/KPA1500/P3 
combo!

Good luck!

Mike / KK5F
EHKCA Member 13P-237784
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[Elecraft] K-Pod and/or K3 programmig?

[john]

I just looked at my K-POD.  To switch bands I used the following codes:

10m   BN09;
15m   BN07;
20m   BN05;
40m   BN03;
80m   BN01;
160m  BN00;

Thanks for the QSO and mult on Saturday night

John KK9A - W4AAA in RU



John KK9A wrote:
Mon Jan 8 07:43:29 EST 2018

I set both of my K-PODs to switch to specific bands. I am not at home now
or I would copy the programs however it was easy to find in the manual. If
you cannot find it I can send it to you tonight. I used this feature a lot
over the weekend, it is much nicer than pressing the up/down toggle on the
K3S. I just wish there was more room on the K-POD to label the buttons. I
also really enjoyed having the RIT controls close to the keyboard.

73,
John KK9A - W4AAA in RTTY RU


Eric W3DQ wrote:

I'm interest in macros or ?? (alternative key assignments) to enable
simple tasks I've been accustomed to with other radios.

The ones that immediately come to mind are
- jump up or down X Khz (2 buttons)
- increase/decrease (or reset to the default) step of the tuning encoder
- switch directly to a specific band instead of having to scroll through
them to get where you want to go (6 buttons).

There are others that I'm sure I'll think of as time moves on.

Thanks & 73,
Eric W3DQ
- Sent from my mobile phone

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Re: [Elecraft] PTT switch for K3

[Ralph Parker]

I've been using foot switches since 1957, with my Viking II and 75A-4. 
The first one was somewhat crude.
IMHO, the Linemaster series of industrial-strength footswitches is the 
best. Very rugged, but responds to a light touch.

Mine gets used a LOT, and I expect it to outlast me!

https://www.amazon.com/Linemaster-Clipper-Switch-Electrical-Momentary/dp/B002P55Y36

VE7XF

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Re: [Elecraft] Fwd: PTT switch for K3

[Andrew Faber via Elecraft]

DX Engineering sells several also.
73, andy ae6y

-Original Message- 
From: Rose

Sent: Monday, January 08, 2018 12:19 PM
To: Elecraft Reflector
Subject: [Elecraft] Fwd: PTT switch for K3

Music equipment stores usually have a variety of foot switches ...

73!

Ken - K0PP



Tattoo parlor foot pedals are rugged and cheap.  I had to swap out




for a longer cord but the switch itself is rugged and not too hard to
press.

https://www.amazon.com/Style-Tattoo-Pedal-Degree-Switch/dp/B
077WCXW7Z/ref=sr_1_3_sspa?ie=UTF8&qid=1515385276&sr=8-3-spon
s&keywords=tattoo+switch&psc=1

k4ia, Buck
K3# 101
Honor Roll  8B DXCC
EasyWayHamBooks.com


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Re: [Elecraft] Fwd: PTT switch for K3

[Bob McGraw K4TAX]

Usually most guitar players have an abundance of  "stomp boxes". Of 
course select one that doesn't have all the electronics and controls 
included inside.


I checked with a local music and instrument store and asked about one 
that was perhaps junk just to get the base.  The fellow asked what and 
why I wanted one.  I told him and he handed me a used one, needed 
cleaning and a paint job, and said, just change the connector to what 
ever your need.   Nothing better than a Free Of Charge stomp box.  I'm 
happy.


73

Bob, K4TAX


On 1/8/2018 2:19 PM, Rose wrote:

Music equipment stores usually have a variety of foot switches ...

73!

Ken - K0PP



Tattoo parlor foot pedals are rugged and cheap.  I had to swap out




for a longer cord but the switch itself is rugged and not too hard to
press.

https://www.amazon.com/Style-Tattoo-Pedal-Degree-Switch/dp/B
077WCXW7Z/ref=sr_1_3_sspa?ie=UTF8&qid=1515385276&sr=8-3-spon
s&keywords=tattoo+switch&psc=1

k4ia, Buck
K3# 101
Honor Roll  8B DXCC
EasyWayHamBooks.com


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[Elecraft] Fwd: PTT switch for K3

[Rose]

Music equipment stores usually have a variety of foot switches ...

73!

Ken - K0PP



Tattoo parlor foot pedals are rugged and cheap.  I had to swap out



> for a longer cord but the switch itself is rugged and not too hard to
> press.
>
> https://www.amazon.com/Style-Tattoo-Pedal-Degree-Switch/dp/B
> 077WCXW7Z/ref=sr_1_3_sspa?ie=UTF8&qid=1515385276&sr=8-3-spon
> s&keywords=tattoo+switch&psc=1
>
> k4ia, Buck
> K3# 101
> Honor Roll  8B DXCC
> EasyWayHamBooks.com
>
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[Elecraft] Elecraft Hex Key worth?

[j...@kk9a.com]

$1?

John KK9A



Scott Manthe wrote:

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one
in great shape that I'm considering selling.

Thanks,

Scott N9AA


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Re: [Elecraft] PTT switch for K3

[Dennis Moore]

Seconded. I've been using a Gem V2 for six years with my K3 with no issues.

73, Dennis NJ6G


On 1/7/2018 20:23, Buck wrote:
Tattoo parlor foot pedals are rugged and cheap.  I had to swap out for 
a longer cord but the switch itself is rugged and not too hard to press.


https://www.amazon.com/Style-Tattoo-Pedal-Degree-Switch/dp/B077WCXW7Z/ref=sr_1_3_sspa?ie=UTF8&qid=1515385276&sr=8-3-spons&keywords=tattoo+switch&psc=1 



k4ia, Buck
K3# 101
Honor Roll  8B DXCC
EasyWayHamBooks.com


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Re: [Elecraft] Macros

[Dave Cole (NK7Z)]

That is just too cool!  THANK YOU!

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 01/08/2018 09:51 AM, Nick Garner wrote:
Here's a website that will string together macros based on what you want 
to accomplish.


http://pignology.net/emm/

73,
Nick
N3WG

On Jan 8, 2018 9:14 AM, "Dave Cole (NK7Z)" > wrote:


Eric,

If you look at:

http://nk7z.net/adding-external-keypad-k3/


You will find a short article on adding a 64 key pad to the K3 for
macro selection.  It assumes you have a P3 as well.

About 1/2 way down the post is a down-loadable spread sheet of
macros, they don't give you exactly what you wanted, but they may
help in getting you started in writing macros...

Fred's book is a really useful item to have, as well as Elecraft's
P3 Macro programming manual.

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

           Eric W3DQ wrote:
           I'm interest in macros or ?? (alternative key
assignments) to enable
      simple tasks I've been accustomed to with other radios.
           The ones that immediately come to mind are
      - jump up or down X Khz (2 buttons)
      - increase/decrease (or reset to the default) step of the
tuning encoder
      - switch directly to a specific band instead of having to
scroll through
      them to get where you want to go (6 buttons).
           There are others that I'm sure I'll think of as time
moves on.
           Thanks & 73,
      Eric W3DQ
      - Sent from my mobile phone


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Re: [Elecraft] K-Pod and/or K3 programmig?

[Bill Johnson]

Chapter 5 of Fred Cady's Macro Programming, has some of these plus methods of 
macro testing.  I used some of the content to program mine.There's plenty of 
references, e.g., setting a frequency is on pages 115-116, etc.

73,
Bill
K9YEQ

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, January 8, 2018 6:33 AM
To: Eric Rosenberg ; elecraft@mailman qth. net 

Subject: Re: [Elecraft] K-Pod and/or K3 programmig?

Eric,

Some of those functions are already present in the K3/K3S - read the
*entire* manual including the chart of menu functions to see more things that 
you can do.

- jump up/down x kHz, see VFO OFS
- increase/decrease step of tuning encoder, see VFO CRS
- switch to a different band, see "Quick Memories" - I have not used the 
BAND+ BAND- switches in a long time, band switching is a quick two
button tap.

73,
Don W3FPR

On 1/8/2018 5:59 AM, Eric Rosenberg wrote:
> I'm interest in macros or ?? (alternative key assignments) to enable simple 
> tasks I've been accustomed to with other radios.
> 
> The ones that immediately come to mind are
> - jump up or down X Khz (2 buttons)
> - increase/decrease (or reset to the default) step of the tuning encoder
> - switch directly to a specific band instead of having to scroll through them 
> to get where you want to go (6 buttons).
> 
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[Elecraft] P3 “Point and Click” (again)

[Ed Schuller via Elecraft]

This is my once a year request for “point and click” functionality for the P3. 
Being able to quickly move a mouse pointer over a signal on the P3 and click to 
change frequency would be a welcomed feature. When you can’t hear half the 
signals that populate the local band map, being able to click on what you can 
actually hear would be a big plus.

73,
Ed K6CTA

Sent from my iPhone



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[Elecraft] Prospective K3S Buyer

[Richard]

If you live in central Florida, in the general Orlando area, and you are using 
a K3S, please contact me. I’m in the throes of deciding how badly I want one, 
but I’ve never seen one in the flesh, let alone in operation.

If you'd be willing to give me a demonstration of yours, I’d appreciate it very 
much. Fifteen minutes should answer all my curiosity.

Thanks.

Visit my QRZ.com page.

Cheers!

Richard Kunc — W4KBX
flat...@comcast.net
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[Elecraft] Panadapter Symmetry Question

[Doug Millar via Elecraft]

Hi, I have been noticing that on my P3 and on an SDR IQ hooked to the iF output 
of either of two K3's,  that there is a small difference in level from one side 
of zero beat to the other. The noise is about five db higher on the high 
frequency side than on the lower side. Same on two different K3's, both with 
upgraded PLL's. I know it is minor, but I am using the K3 as a back end for my 
EME station and the higher noise tends to cover some signals.  Anyone else 
noticed it? Any fixes or adjustments?   JPEG available.    Thanks, Doug K6JEY

Dr.Doug Millar EdD.
K6JEY
drzarko...@yahoo.com
562 810 3989  cell/text

 
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Re: [Elecraft] Elecraft Hex Key worth?

[Charlie T]

39¢ ???
C


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Scott Manthe
Sent: Monday, January 08, 2018 1:11 PM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft Hex Key worth?

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one in
great shape that I'm considering selling.

Thanks,

Scott N9AA

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Re: [Elecraft] PTT switch for K3

[Andrew Faber via Elecraft]

Although I haven't tried them, DX Engineering sells several.
73, andy ae6y

-Original Message- 
From: Bob via Elecraft

Sent: Monday, January 08, 2018 10:31 AM
To: John Marvin ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] PTT switch for K3

You might want to try an industrial supply company like here:


https://www.mcmaster.com/#pedal-switches/=1b1gd3p

I have used one of the "steel" types for many years.  The "iron types" are
really rugged but require, in my opinion, to much force to operate.  Mine 
dates

back to original use with my Heath SB400.

Untried but they have a PB pendant type too.

They are my go-to company for many items.  Located here in NJ and I can 
place a

6PM order and since I'm in the one day UPS zone get it the next afternoon.

73,
Bob
K2TK   ex KN2TKR (1956) & K2TKR



On 1/8/2018 4:25 AM, John Marvin wrote:
Thanks for this idea. I prefer a foot switch, and I've already had one of 
the Heil switches die on me in less than 2 years of use. Right now I'm 
using one I got from Radiodan.com. The owner is a member of my club, and I 
bought it at our annual HamFest. It looks to be of decent quality, but I 
don't know his source.  Anyway, if this one dies, I am definitely going to 
try a sustain pedal. They typically have a switch which switches the 
operation from on/off to a variable resistance (depending on what you are 
using it for). It should work fine for PTT operation in the on/off mode, 
and they are fairly rugged. I may have to try it soon just to see how one 
would feel in actual operation.


73,

John
AC0ZG

On 1/7/2018 1:01 PM, Alan wrote:
If you don't want to build something, check out a music store.  The kind 
of foot switch bands use is very rugged and reliable.


Alan N1AL


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Re: [Elecraft] PTT switch for K3

[Bob via Elecraft]

You might want to try an industrial supply company like here:


https://www.mcmaster.com/#pedal-switches/=1b1gd3p

I have used one of the "steel" types for many years.  The "iron types" are 
really rugged but require, in my opinion, to much force to operate.  Mine dates 
back to original use with my Heath SB400.


Untried but they have a PB pendant type too.

They are my go-to company for many items.  Located here in NJ and I can place a 
6PM order and since I'm in the one day UPS zone get it the next afternoon.


73,
Bob
K2TK   ex KN2TKR (1956) & K2TKR



On 1/8/2018 4:25 AM, John Marvin wrote:
Thanks for this idea. I prefer a foot switch, and I've already had one of the 
Heil switches die on me in less than 2 years of use. Right now I'm using one I 
got from Radiodan.com. The owner is a member of my club, and I bought it at our 
annual HamFest. It looks to be of decent quality, but I don't know his source.  
Anyway, if this one dies, I am definitely going to try a sustain pedal. They 
typically have a switch which switches the operation from on/off to a variable 
resistance (depending on what you are using it for). It should work fine for PTT 
operation in the on/off mode, and they are fairly rugged. I may have to try it 
soon just to see how one would feel in actual operation.


73,

John
AC0ZG

On 1/7/2018 1:01 PM, Alan wrote:
If you don't want to build something, check out a music store.  The kind of 
foot switch bands use is very rugged and reliable.


Alan N1AL


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Re: [Elecraft] K1 : L1 to L8 valuesss

[Don Wilhelm]

Pascal,

The parts information is in the parts list for the KFL1-2 kit.
Those variable inductors are 1uHy maximum.

73,
Don W3FPR

On 1/8/2018 12:43 PM, Pascal Deveaux wrote:

Hello,


I have a K1 with 2 band (30m and 20m) and I would like to know the value (or 
reference) of L1 -L8 value on the filter board.


L1 L2: 10MHz premix band-pass filters

...
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[Elecraft] Elecraft Hex Key worth?

[Scott Manthe]

Does anyone know what an Elecraft labeled Hex Key is worth? I've got one 
in great shape that I'm considering selling.


Thanks,

Scott N9AA

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[Elecraft] K3 SOLD

[k7ua]

My K3 has been sold. Thanks. Bryce K7UA 
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Re: [Elecraft] Macros

[Nick Garner]

Here's a website that will string together macros based on what you want to
accomplish.

http://pignology.net/emm/

73,
Nick
N3WG

On Jan 8, 2018 9:14 AM, "Dave Cole (NK7Z)"  wrote:

> Eric,
>
> If you look at:
>
> http://nk7z.net/adding-external-keypad-k3/
>
> You will find a short article on adding a 64 key pad to the K3 for macro
> selection.  It assumes you have a P3 as well.
>
> About 1/2 way down the post is a down-loadable spread sheet of macros,
> they don't give you exactly what you wanted, but they may help in getting
> you started in writing macros...
>
> Fred's book is a really useful item to have, as well as Elecraft's P3
> Macro programming manual.
>
> 73s and thanks,
> Dave
> NK7Z
> http://www.nk7z.net
>
>   Eric W3DQ wrote:
>>   I'm interest in macros or ?? (alternative key assignments) to
>> enable
>>  simple tasks I've been accustomed to with other radios.
>>   The ones that immediately come to mind are
>>  - jump up or down X Khz (2 buttons)
>>  - increase/decrease (or reset to the default) step of the tuning
>> encoder
>>  - switch directly to a specific band instead of having to scroll
>> through
>>  them to get where you want to go (6 buttons).
>>   There are others that I'm sure I'll think of as time moves on.
>>   Thanks & 73,
>>  Eric W3DQ
>>  - Sent from my mobile phone
>>
>>
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>>
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[Elecraft] K1 : L1 to L8 valuesss

[Pascal Deveaux]

Hello,


I have a K1 with 2 band (30m and 20m) and I would like to know the value (or 
reference) of L1 -L8 value on the filter board.


L1 L2: 10MHz premix band-pass filters

L3 L4: 14MHz premix band-pass filters

L5 L6: 10MHz RF band-pass filters

L7 L8: 14MHz RF band-pass filters


I can't found the info in the owner's manual.


Thanks for your help,


Pascal Deveaux

Reunion Island
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Re: [Elecraft] Macros

[Dave Cole (NK7Z)]

Eric,

If you look at:

http://nk7z.net/adding-external-keypad-k3/

You will find a short article on adding a 64 key pad to the K3 for macro 
selection.  It assumes you have a P3 as well.


About 1/2 way down the post is a down-loadable spread sheet of macros, 
they don't give you exactly what you wanted, but they may help in 
getting you started in writing macros...


Fred's book is a really useful item to have, as well as Elecraft's P3 
Macro programming manual.


73s and thanks,
Dave
NK7Z
http://www.nk7z.net

 
 Eric W3DQ wrote:
 
 I'm interest in macros or ?? (alternative key assignments) to enable

 simple tasks I've been accustomed to with other radios.
 
 The ones that immediately come to mind are

 - jump up or down X Khz (2 buttons)
 - increase/decrease (or reset to the default) step of the tuning encoder
 - switch directly to a specific band instead of having to scroll through
 them to get where you want to go (6 buttons).
 
 There are others that I'm sure I'll think of as time moves on.
 
 Thanks & 73,

 Eric W3DQ
 - Sent from my mobile phone
 
 
  



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[Elecraft] Macros

[Dauer, Edward]

   Eric --  Take a look at Fred Cady’s recent book on macro programming for the 
K3, KX3 and KX2. 

Ted, KN1CBR

--

Eric W3DQ wrote:

I'm interest in macros or ?? (alternative key assignments) to enable
simple tasks I've been accustomed to with other radios.

The ones that immediately come to mind are
- jump up or down X Khz (2 buttons)
- increase/decrease (or reset to the default) step of the tuning encoder
- switch directly to a specific band instead of having to scroll through
them to get where you want to go (6 buttons).

There are others that I'm sure I'll think of as time moves on.

Thanks & 73,
Eric W3DQ
- Sent from my mobile phone


 


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[Elecraft] KX2: mono headphone with dual-watch enabled ok?

[John Harper]

Good morning all,

A recent article in CQ Magazine describes a technique of listening to a
station on two slightly different frequencies (65-80 Hz apart) in order to
possibly increase the ability to copy weak signals. Both frequencies need
to be provided to both sides of the headphones to achieve this effect.

I know that the KX2/KX3 can receive two freqs at once with dual-watch
enabled and that with stereo phones, this puts one VFO in each ear.

My question is, would using mono headphones (with dual watch enabled)
damage the KX in any way? The article is described here, along with the
comment from a reader that prompts this question:

https://ae5x.blogspot.com/2018/01/improving-signalnoise-of-cw-signals-by.html

TNX/73,

John AE5X
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Re: [Elecraft] Elecraft Digest, Vol 165, Issue 6

[Ed Gansen]

Looks like a trail cam, to me.

Ed - K8DSS

> On Jan 7, 2018, at 20:12, elecraft-requ...@mailman.qth.net wrote:
> 
> Send Elecraft mailing list submissions to
>elecraft@mailman.qth.net
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>http://mailman.qth.net/mailman/listinfo/elecraft
> or, via email, send a message with subject or body 'help' to
>elecraft-requ...@mailman.qth.net
> 
> You can reach the person managing the list at
>elecraft-ow...@mailman.qth.net
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Elecraft digest..."
> 
> 
> Today's Topics:
> 
>   1. Re: PTT switch for K3 (Dauer, Edward)
>   2. Re: PTT switch for K3 (Joe Subich, W4TV)
>   3. Re: PTT switch for K3 (Alan)
>   4. Re: Strange thing. (Bill Johnson)
>   5. Re: PTT switch for K3 (ksto...@ac0h.net)
>   6. Very off topic, but trying to get info... (Tom)
>   7. Re: PTT switch for K3 (Brian Hunt)
>   8. Re: Very off topic, but trying to get info... (rich hurd WC3T)
>   9.  Very off topic, but trying to get info... (John Harper)
>  10. Re: Very off topic, but trying to get info... (tomb18)
>  11. Re: Very off topic, but trying to get info... (Bob Stevens)
>  12. Thanks to all for many great suggestions about a PTTSwitch
>  (Dauer, Edward)
>  13. Re: Very off topic, but trying to get info... (Terry)
>  14. Re: Very off topic, but trying to get info... (tomb18)
>  15. FW:  Very off topic, but trying to get info... (Mike Flowers)
>  16. KFL3A-1.0K FS (W4dx)
>  17. Re: Elecraft KIO3B and WSJT-X (Don Wilhelm)
>  18. Re: Very off topic, but trying to get info... (kevinr)
>  19. Re: Very off topic, but trying to get info... (Rod Hardman)
>  20. Re: Very off topic, but trying to get info... (Charlie T)
>  21. Re: Very off topic, but trying to get info... (Bill)
>  22. Re: Elecraft KIO3B and WSJT-X (Bill Frantz)
>  23. Re: Very off topic, but trying to get info... (Tom)
> 
> 
> --
> 
> Message: 1
> Date: Sun, 7 Jan 2018 19:50:20 +
> From: "Dauer, Edward" 
> To: "donw...@embarqmail.com" ,
>"elecraft@mailman.qth.net" 
> Subject: Re: [Elecraft] PTT switch for K3
> Message-ID: <3fd75e47-c14d-4cd9-9067-bc4081680...@law.du.edu>
> Content-Type: text/plain; charset="utf-8"
> 
> Thanks, Don.  At this very moment I am scanning everything in my office for a 
> suitable candidate . . .   
> 
> I just thought of it ? a tennis ball!  Also useful for stress relief when 
> waiting for a nitch in a pileup . . . 
> 
> Ted, KN1CBR
> 
> 
> On 1/7/18, 12:35 PM, "Don Wilhelm"  wrote:
> 
>Ted,
> 
>Get a round body pushbutton switch, then look around for something to 
>contain it which feels comfortable in your hand - the cap from a Sharpie 
>marker or the body of a fat ballpoint pen come to mind.  Drill a hole in 
>the far end if there is not sufficient opening to pass the wires, and 
>put whatever plug on it that fits your transceiver PTT jack.
> 
>If the pushbutton does not stay with friction, glue it in with E6000 
>cement, or epoxy or whatever works to keep it in place.
> 
>If you don't have such materials available, the cost is much smaller 
>than buying a commercial pushbutton PTT switch.  The switch and 1/4 inch 
>plug can be found at Mouser - choose economy shipping unless you have 
>other parts to order.
> 
>73,
>Don W3FPR
> 
> 
> 
> 
> --
> 
> Message: 2
> Date: Sun, 7 Jan 2018 14:57:25 -0500
> From: "Joe Subich, W4TV" 
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] PTT switch for K3
> Message-ID: <331ba12f-4349-85cc-63f9-c7f14c882...@subich.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> 
> Also available from Digikey ...
> 
> 
>  
> 
> 
> You might consider ED913 or E913 which are less expensive than the
> ED903.
> 
> 73,
> 
>... Joe, W4TV
> 
> 
>> On 1/7/2018 2:40 PM, Jack Brindle wrote:
>> Ed;
>> 
>> It is easier than fabricating switch bodies. Mouser has several candidates - 
>> look at their 502-ED903. It is a nice hand-held switch in a comfortable 
>> case, costing about $12. Add wire and appropriate plug (mine has a phono 
>> plug for the K3) and you can build a very nice PTT switch for less than $20.
>> 
>> They also have a new assembly with cable attached for a bit more - something 
>> like $160. I don;?t recommend that?
>> 
>> - Jack, W6FB
>> 
>> 
>>> On Jan 7, 2018, at 9:57 AM, Dauer, Edward  wrote:
>>> 
>>> I plan to try the SSB QSO party next weekend, and have the adapter for the 
>>> K3 and a Heil headset ? but I need a remote PTT switch with a ? inch mono 
>>> plug on one end and a pushbutton switch at the other.  All I have been able 
>>> to find online are nurse call buttons ? which I suppose would work but the 
>>> big red cross on the button is off-putting, and because they 

Re: [Elecraft] Very off topic, but trying to get info...

[Charlie T]

Sorta like the Pokémon crazies awhile back.

Also, we have a somewhat older version of these new geo whatever things near us.
There's a  6X6 concrete post in the ground with a bronze plaque on it from the 
US Coast & Geodetic Service 1000 feet from our house.
For about a month, 30 years ago I had an RF transmitter in my barn that was 
used as a locater beacon for a test program that used doppler shift from its 
signal as a satellite passed overhead.
 Still have a 2 inch cork in the wall plugging up the hole where the coax fed 
an outside antenna. 

C


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wes Stewart
Sent: Sunday, January 07, 2018 11:52 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Very off topic, but trying to get info...

As a near neighbor to Saguaro National Park at one time I knew the Chief Ranger 
on a first name basis. He used to keep up with the geocache website and remove 
caches as soon as they got listed.  As a related activity I recovered some 
benchmarks placed by the Civilian Conservation Corps in the 1930s that hadn't 
been seen since.

For example: 
https://www.geocaching.com/mark/log.aspx?LUID=8299491b-98ab-4bd2-8b55-776becdc3401

Wes  N7WS


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Re: [Elecraft] PTT switch for K3

[Bob Stevens]

When I used "dictaphone", I was referring to the function of the machine, not 
the company name.

Sent from my iPad

On Jan 8, 2018, at 6:57 AM, Don Wilhelm  wrote:

A slight correction - that would have been a foot pedal from the IBM 
"Executary" line.
Dictaphone was another competing company.

Yes, that is a heavy duty footswitch.  I also use one for PTT.

73,
Don W3FPR

> On 1/8/2018 7:02 AM, bobstev...@brockettmcneel.net wrote:
> 40 years ago, I found a foot pedal for an early IBM Dictaphone at a flea
> market. It has a switch in it that allowed the stenographer to press either
> side to go backwards or forward when typing the recorded dictation. I wired
> both sides together so pressing either side completed the circuit. It is 4'
> x 4", made of metal, heavy and has been in use for 40 years. Bob, K9ING
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Re: [Elecraft] PTT switch for K3

[Don Wilhelm]

A slight correction - that would have been a foot pedal from the IBM 
"Executary" line.

Dictaphone was another competing company.

Yes, that is a heavy duty footswitch.  I also use one for PTT.

73,
Don W3FPR

On 1/8/2018 7:02 AM, bobstev...@brockettmcneel.net wrote:

40 years ago, I found a foot pedal for an early IBM Dictaphone at a flea
market. It has a switch in it that allowed the stenographer to press either
side to go backwards or forward when typing the recorded dictation. I wired
both sides together so pressing either side completed the circuit. It is 4'
x 4", made of metal, heavy and has been in use for 40 years. Bob, K9ING


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[Elecraft] K-Pod and/or K3 programmig?

[j...@kk9a.com]

I set both of my K-PODs to switch to specific bands. I am not at home now
or I would copy the programs however it was easy to find in the manual. If
you cannot find it I can send it to you tonight. I used this feature a lot
over the weekend, it is much nicer than pressing the up/down toggle on the
K3S. I just wish there was more room on the K-POD to label the buttons. I
also really enjoyed having the RIT controls close to the keyboard.

73,
John KK9A - W4AAA in RTTY RU


Eric W3DQ wrote:

I'm interest in macros or ?? (alternative key assignments) to enable
simple tasks I've been accustomed to with other radios.

The ones that immediately come to mind are
- jump up or down X Khz (2 buttons)
- increase/decrease (or reset to the default) step of the tuning encoder
- switch directly to a specific band instead of having to scroll through
them to get where you want to go (6 buttons).

There are others that I'm sure I'll think of as time moves on.

Thanks & 73,
Eric W3DQ
- Sent from my mobile phone

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Re: [Elecraft] PTT switch for K3

[Bob Stevens]

I guess you could. I have enough difficulty with my hand😁

Sent from my iPad

On Jan 8, 2018, at 6:32 AM, rich hurd WC3T  wrote:

And if you are manipulate it correctly and wire it right, you can wire it to a 
keyer and do iambic keying with your foot.  :)


> On Mon, Jan 8, 2018 at 07:02  wrote:
> 40 years ago, I found a foot pedal for an early IBM Dictaphone at a flea
> market. It has a switch in it that allowed the stenographer to press either
> side to go backwards or forward when typing the recorded dictation. I wired
> both sides together so pressing either side completed the circuit. It is 4'
> x 4", made of metal, heavy and has been in use for 40 years. Bob, K9ING
> 
> 

-- 
---
72,
Rich Hurd / WC3T / DMR: 3142737  
PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer for 
Scouting
Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid: 
FN20is

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Re: [Elecraft] K-Pod and/or K3 programmig?

[Don Wilhelm]

Eric,

Some of those functions are already present in the K3/K3S - read the 
*entire* manual including the chart of menu functions to see more things 
that you can do.


- jump up/down x kHz, see VFO OFS
- increase/decrease step of tuning encoder, see VFO CRS
- switch to a different band, see "Quick Memories" - I have not used the 
BAND+ BAND- switches in a long time, band switching is a quick two 
button tap.


73,
Don W3FPR

On 1/8/2018 5:59 AM, Eric Rosenberg wrote:

I'm interest in macros or ?? (alternative key assignments) to enable simple 
tasks I've been accustomed to with other radios.

The ones that immediately come to mind are
- jump up or down X Khz (2 buttons)
- increase/decrease (or reset to the default) step of the tuning encoder
- switch directly to a specific band instead of having to scroll through them 
to get where you want to go (6 buttons).


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Re: [Elecraft] PTT switch for K3

[rich hurd WC3T]

And if you are manipulate it correctly and wire it right, you can wire it
to a keyer and do iambic keying with your foot.  :)


On Mon, Jan 8, 2018 at 07:02  wrote:

> 40 years ago, I found a foot pedal for an early IBM Dictaphone at a flea
> market. It has a switch in it that allowed the stenographer to press either
> side to go backwards or forward when typing the recorded dictation. I wired
> both sides together so pressing either side completed the circuit. It is 4'
> x 4", made of metal, heavy and has been in use for 40 years. Bob, K9ING
>
>
> --
---
72,
Rich Hurd / WC3T / DMR: 3142737
PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
for Scouting
Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
*FN20is*
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Re: [Elecraft] PTT switch for K3

[bobstevens]

40 years ago, I found a foot pedal for an early IBM Dictaphone at a flea
market. It has a switch in it that allowed the stenographer to press either
side to go backwards or forward when typing the recorded dictation. I wired
both sides together so pressing either side completed the circuit. It is 4'
x 4", made of metal, heavy and has been in use for 40 years. Bob, K9ING

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian Hunt
Sent: Sunday, January 7, 2018 2:38 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] PTT switch for K3

I use my old J-38 straight key wired to a RCA plug that goes into the PTT
jack on the rear of the K3. The advantage is that you don't have to pick it
up to use it or put it down to type. Easy to wire up too. Buy an audio
cable, lop off one connector, dress the leads out and connect them to the
key binding posts. 

BTW, have you considered using VOX in the contest?  Completely hands free. 

GL&73,
Brian, K0DTJ
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delivered to bobstev...@brockettmcneel.net


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

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[Elecraft] K-Pod and/or K3 programmig?

[Eric Rosenberg]

I'm interest in macros or ?? (alternative key assignments) to enable simple 
tasks I've been accustomed to with other radios. 

The ones that immediately come to mind are
- jump up or down X Khz (2 buttons)
- increase/decrease (or reset to the default) step of the tuning encoder
- switch directly to a specific band instead of having to scroll through them 
to get where you want to go (6 buttons).

There are others that I'm sure I'll think of as time moves on.

Thanks & 73,
Eric W3DQ 
- Sent from my mobile phone
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Re: [Elecraft] PTT switch for K3

[John Marvin]

Thanks for this idea. I prefer a foot switch, and I've already had one 
of the Heil switches die on me in less than 2 years of use. Right now 
I'm using one I got from Radiodan.com. The owner is a member of my club, 
and I bought it at our annual HamFest. It looks to be of decent quality, 
but I don't know his source.  Anyway, if this one dies, I am definitely 
going to try a sustain pedal. They typically have a switch which 
switches the operation from on/off to a variable resistance (depending 
on what you are using it for). It should work fine for PTT operation in 
the on/off mode, and they are fairly rugged. I may have to try it soon 
just to see how one would feel in actual operation.


73,

John
AC0ZG

On 1/7/2018 1:01 PM, Alan wrote:
If you don't want to build something, check out a music store.  The 
kind of foot switch bands use is very rugged and reliable.


Alan N1AL


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