Re: [Elecraft] K3/P3 RIT / XIT macro oddities (kinda long)

[Bob Wilson, N6TV]

On Mon, Feb 12, 2018 at 3:52 PM, Ken K6MR  wrote:

> If you have a K3 without the Sub Rx, turning on XIT will change the
> transmit frequency on whichever VFO is set to transmit: VFO A if Split is
> off, VFO B is split is on.  The receive frequency is not affected.  XIT
> affects VFO A only in transmit, and VFO B when in Split.  Perfect.
>
> If you have Sub Rx, turning on XIT with both Sub Rx and Split active
> immediately changes the VFO B frequency (which is now a receive
> frequency).  VFO B is being handled as it is with the Sub Rx, which seems
> (to me) not quite right.  It would make more sense (I think) if XIT was
> only applied to VFO B during transmit when the SubRx is active and Split is
> on.
>

Perhaps, but when working split, with the SubRx on, what is the real world
scenario where you do *not* what to listen to your transmit frequency?  It
makes more sense (to me) to always use the SubRx to listen to "your place
in the pileup," so you can tell if you are calling on a clear frequency or
a crowded one.  Also, why bother with XIT at all when you're working
split?  Just keep XIT off and the much bigger VFO B knob, or use a command
to move VFO B rather than move XIT.

It would be very distracting to see the VFO B frequency jumping back and
forth in full QSK mode when operating split, with the XIT on and the XIT
offset set to a non-zero value, which is what you seem to be requesting.  I
really prefer the way it works now.

But frankly, I almost never use split.  I find it much easier to put the DX
in the SubRX and just move the big VFO A knob to find a calling frequency.
I also adjust the BALANCE control (CONFIG:SUB AF = BALANCE) so that the DX
is always louder than the pileup, and in one ear only.

73,
Bob, N6TV
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[Elecraft] N2BC SK

[Jim AC0E]

Sad news that the author of K3_EZ, Bill Coleman has become a Silent Key..

https://www.qrz.com/db/n2bc

His program is what the K3 Utility SHOULD resemble..
73 ~
Jim AC0E


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[Elecraft] NAQCC February Sprint this Tuesday Evening

[Larry W2LJ]

The February NAQCC sprint is this coming Tuesday evening local time (February 
13th,
EST - 8:30-10:30PM, CST - 7:30-9:30PM, MST - 6:30-8:30PM, PST - 5:30-7:30PM),
which translates as Wednesday, February 14th, 0130 to 0330Z in all cases.

In UTC that's St. Valentine's Day - so don't forget your YLs and XYLs!

For all the "official" information, please go to:

http://naqcc.info/sprint/sprint20108.02.html

There you will find all the details as to time, frequencies and other important
information.

Certificates: SWA (simple wire antennas) certificates by call area, VE and DX
for 1st, 2nd and 3rd place finishers (New!). A Certificate for top score in the
GAIN antenna category.

Prizes: Too many to list!! - check out the prizes page on our website.

This is a monthly event that caters to the CW veteran, the CW newcomer, straight
key and bug fans. All are welcome to participate (this includes QRO); but you
must use QRP power levels to compete for awards.

If you've been hesitant to join in our sprints because you hear other sprints
running at breakneck speeds, have no fear. Our sprints are geared to the
newcomer to CW and/or contesting. Virtually everyone including the many veteran
contesters who regularly enter our sprints will slow down to YOUR speed to help
you make your contacts.

If you are not already a member of NAQCC... membership is FREE! Now is your
chance to join the largest QRP CW Club in the world!! We currently have 9000+
members in: All 50 States - 9 VE Provinces - 100 Countries. Sign up on the
NAQCC website today (http://naqcc.info/) and receive a handsome certificate,
with your membership number on it, which is good for life.

Come join us and have a real good time!


72/73 de Larry W2LJ
NAQCC #35

for NAQCC
http://naqcc.info/
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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Nr4c]

You can buy one from Elecraft. 

A VGA “Y” may not work. Check diagrams. 

Sent from my iPhone
...nr4c. bill


> On Feb 12, 2018, at 2:37 PM, Don Butler  wrote:
> 
> Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter 
> rather than make one up and have to do all that soldering …
> 
> Don, N5LZ
> 
> Sent from Mail for Windows 10
> 
> From: j...@kk9a.com
> Sent: Monday, February 12, 2018 12:16 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500
> 
> Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
> and a KPA500 all connected to the same ACC jack.
> 
> John KK9A
> 
> 
> Don Butler n5lz at comcast.net
> Mon Feb 12 12:31:13 EST 2018
> 
> I've been studying the manual while waiting for my new KPA-1500 to ship ...
> I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
> K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
> ACC  (providing band data for switching bandpass filters).
> I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
> from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
> (2) to the MK2R+ ACC cable.
> 
> Will that work?
> 
> Will conflicts with KPA-1500 or MK2R+ be created?
> 
> Thanks,
> 
> Don, N5LZ
> 
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[Elecraft] K3/P3 RIT / XIT macro oddities (kinda long)

[Ken K6MR]

I’ve been playing with various macros to control RIT and XIT, and am seeing 
some oddities.  Not necessarily bugs, but these do not seem to be optimal.

If you have a K3 without the Sub Rx, turning on XIT will change the transmit 
frequency on whichever VFO is set to transmit: VFO A if Split is off, VFO B is 
split is on.  The receive frequency is not affected.  XIT affects VFO A only in 
transmit, and VFO B when in Split.  Perfect.

If you have Sub Rx, turning on XIT with both Sub Rx and Split active 
immediately changes the VFO B frequency (which is now a receive frequency).  
VFO B is being handled as it is with the Sub Rx, which seems (to me) not quite 
right.  It would make more sense (I think) if XIT was only applied to VFO B 
during transmit when the SubRx is active and Split is on. 

The other oddity is the display of the cursors on the P3 when controlling 
RIT/XIT using macros.  If you control XIT using the front panel button, the red 
cursor is shown and removed as XIT is on or off.  If, however, you turn on XIT 
(with an offset other than zero) by using the XT1 macro, XIT is enabled but the 
cursor is not displayed.  If you move the Offset control, then the cursor is 
displayed.   

Similarly, if you turn on XiT using the front panel button (enabling the red 
cursor), turning XIT off using XT0 will turn off XIT but the P3 will still show 
the cursor.  Not a big deal, but less than optimal.

RIT does something similar.  If you turn RIT on using RT0 (with an offset other 
than zero), the receive frequency change is not reflected on the P3 display and 
the green cursor does not move unless you move the Offset control. Turning RIT 
off using RT0 will indeed turn off RIT but the cursor and frequency display on 
the P3 do not update.  In addition, if you now move VFO A the frequency/cursor 
shown on the P3 continue to be offset by the (now disabled) RIT offset.  Using 
the front panel RIT controls show none of these oddities.

You can sort of work around the P3 problems using SWT commands, but it’s not 
quite the same since button presses are toggles (rather than absolute commands 
like RT and XT) which requires knowing the current state of the function.

K3 fw 5.62, P3 FW 1.60

Ken K6MR


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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[N2TK, Tony]

Hi Bob,

My KPA500 is in the basement as will be the KA1500. I used to have an Acom 
2000A alongside the KPA500. I have a switch in the shack that selects the one 
output from the K3 to an A/B switch for the inputs of both amps and an A/B 
switch on the output for both amps to a coax switch. I key the amps in parallel 
with diode isolation. This has worked well for a long time. I like doing it 
this way because while the one amp is off I can use the other amp.  If I have a 
problem with an amp all I have to do is turn off the one amp from the screen, 
turn on the other amp and hit the switch. I don’t have to go to the basement to 
do anything.

Guess I can use a Y-cable with a second KPAK3AUX with both amps in parallel 
instead of the Y-Box. 

73,

N2TK, Tony

 

From: rawil...@gmail.com [mailto:rawil...@gmail.com] On Behalf Of Bob Wilson, 
N6TV
Sent: Monday, February 12, 2018 3:48 PM
To: N2TK, Tony ; Elecraft Reflector 

Subject: RE: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

 

If you want to connect both amplifiers to the same K3, one on Antenna Port 1, 
the second on Antenna Port 2, just connect a second KPAK3AUX cable between the 
KPA1500 and the Y-BOX. But the K3 will key both at the same time if they are 
both powered on, and they will both be on the same band, and only one will 
receive RF from the K3.

 

If all you want to do is swap the KPA500 for the KPA1500, all of your existing 
cabling to the Y-BOX and KPA500 will work exactly the same since they are 100% 
compatible.

73,
Bob, N6TV

 

On Feb 12, 2018 12:26 PM, "N2TK, Tony"  > wrote:

What about if you have the earlier Y-Box and have a KPA500 on it already?
How do you add the KPA1500?
Tnx
N2TK, Tony


-Original Message-
From: elecraft-boun...@mailman.qth.net 
 
[mailto:elecraft-boun...@mailman.qth.net 
 ] On Behalf Of Bob Wilson, N6TV
Sent: Monday, February 12, 2018 2:50 PM
To: elecraft@mailman.qth.net  
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

On Mon, Feb 12, 2018 at 11:41 AM, j...@kk9a.com   
 > wrote:

> Don't use VGA products.  Elecraft sells a Y adapter that will work
> perfectly and N6TV sells a Y-Box to connect up to four devices to the ACC.
>
> John KK9A
>

Correct, plus with the new version 2.1 Y-BOX, you don't have to purchase a
KPAK3AUX cable to connect the KPA1500.  A $10 MF 15-pin cable (not a VGA
cable) will work fine because the internal wiring of the Y-BOX v2.1 matches
the Elecraft custom cable wiring wiring.  It also adds a feature so you can
power up the KPA1500 remotely with a K3 macro (something not supported by
Y-adapters with an unmodified KPAK3AUX cable).

See https://bit.ly/Y-BOX

73,
Bob, N6TV

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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Bob Wilson, N6TV]

If you want to connect both amplifiers to the same K3, one on Antenna Port
1, the second on Antenna Port 2, just connect a second KPAK3AUX cable
between the KPA1500 and the Y-BOX. But the K3 will key both at the same
time if they are both powered on, and they will both be on the same band,
and only one will receive RF from the K3.

If all you want to do is swap the KPA500 for the KPA1500, all of your
existing cabling to the Y-BOX and KPA500 will work exactly the same since
they are 100% compatible.

73,
Bob, N6TV

On Feb 12, 2018 12:26 PM, "N2TK, Tony"  wrote:

What about if you have the earlier Y-Box and have a KPA500 on it already?
How do you add the KPA1500?
Tnx
N2TK, Tony

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Wilson, N6TV
Sent: Monday, February 12, 2018 2:50 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

On Mon, Feb 12, 2018 at 11:41 AM, j...@kk9a.com  wrote:

> Don't use VGA products.  Elecraft sells a Y adapter that will work
> perfectly and N6TV sells a Y-Box to connect up to four devices to the ACC.
>
> John KK9A
>

Correct, plus with the new version 2.1 Y-BOX, you don't have to purchase a
KPAK3AUX cable to connect the KPA1500.  A $10 MF 15-pin cable (not a VGA
cable) will work fine because the internal wiring of the Y-BOX v2.1 matches
the Elecraft custom cable wiring wiring.  It also adds a feature so you can
power up the KPA1500 remotely with a K3 macro (something not supported by
Y-adapters with an unmodified KPAK3AUX cable).

See https://bit.ly/Y-BOX

73,
Bob, N6TV
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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Don Butler]

Thanks to all …. Taking a closer look and reviewing the KPAK3AUX manual I see 
that that cable kit (which I have on order) does include the cable itself plus 
a key-line interrupter and a Y-adapter cable …. So I think I will have 
everything I need to get properly connected.  

I received the “available for shipping” notification from Elecraft late last 
week and just want to be ready when the KPA-1500 (which was “expected to begin 
shipping in mid-October” at the time I ordered and prepaid) eventually does 
arrive at my QTH.   

Don, N5LZ


Sent from Mail for Windows 10

From: Don Butler
Sent: Monday, February 12, 2018 12:48 PM
To: Jim Miller
Cc: elecraft@mailman.qth.net; j...@kk9a.com
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

OK tnx again …. I understand .. no VGA adapters …..  Looking closer it looks 
like the KPAK3AUX INCLUDES a Y-Adapter extension …. So I may be getting 
everything I need with the cable package?

Don, N5LZ

Sent from Mail for Windows 10

From: Jim Miller
Sent: Monday, February 12, 2018 12:42 PM
To: Don Butler
Cc: j...@kk9a.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

VGA Y adapters will NOT work. They don't have a completely pin to pin thru 
wiring. 

Just get the Elecraft unit or shop carefully.

73

jim ab3cv

On Mon, Feb 12, 2018 at 2:37 PM, Don Butler  wrote:
Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter rather 
than make one up and have to do all that soldering …

Don, N5LZ

Sent from Mail for Windows 10

From: j...@kk9a.com
Sent: Monday, February 12, 2018 12:16 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
and a KPA500 all connected to the same ACC jack.

John KK9A


Don Butler n5lz at comcast.net
Mon Feb 12 12:31:13 EST 2018

I've been studying the manual while waiting for my new KPA-1500 to ship ...
I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
ACC  (providing band data for switching bandpass filters).
I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
(2) to the MK2R+ ACC cable.

Will that work?

Will conflicts with KPA-1500 or MK2R+ be created?

Thanks,

Don, N5LZ

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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[N2TK, Tony]

What about if you have the earlier Y-Box and have a KPA500 on it already?
How do you add the KPA1500?
Tnx
N2TK, Tony

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Wilson, N6TV
Sent: Monday, February 12, 2018 2:50 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

On Mon, Feb 12, 2018 at 11:41 AM, j...@kk9a.com  wrote:

> Don't use VGA products.  Elecraft sells a Y adapter that will work 
> perfectly and N6TV sells a Y-Box to connect up to four devices to the ACC.
>
> John KK9A
>

Correct, plus with the new version 2.1 Y-BOX, you don't have to purchase a
KPAK3AUX cable to connect the KPA1500.  A $10 MF 15-pin cable (not a VGA
cable) will work fine because the internal wiring of the Y-BOX v2.1 matches
the Elecraft custom cable wiring wiring.  It also adds a feature so you can
power up the KPA1500 remotely with a K3 macro (something not supported by
Y-adapters with an unmodified KPAK3AUX cable).

See https://bit.ly/Y-BOX

73,
Bob, N6TV
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delivered to tony@verizon.net

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[Elecraft] 15% off on KE7X Elecraft books including pdfs

[Cady, Fred]

www.lulu.com has a 15% discount.  I do not know how long 
it is good for.  The discount code is FWD15.


cheers,

Fred KE7X


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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Bob Wilson, N6TV]

On Mon, Feb 12, 2018 at 11:41 AM, j...@kk9a.com  wrote:

> Don't use VGA products.  Elecraft sells a Y adapter that will work
> perfectly and N6TV sells a Y-Box to connect up to four devices to the ACC.
>
> John KK9A
>

Correct, plus with the new version 2.1 Y-BOX, you don't have to purchase a
KPAK3AUX cable to connect the KPA1500.  A $10 MF 15-pin cable (not a VGA
cable) will work fine because the internal wiring of the Y-BOX v2.1 matches
the Elecraft custom cable wiring wiring.  It also adds a feature so you can
power up the KPA1500 remotely with a K3 macro (something not supported by
Y-adapters with an unmodified KPAK3AUX cable).

See https://bit.ly/Y-BOX

73,
Bob, N6TV
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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Don Butler]

OK tnx again …. I understand .. no VGA adapters …..  Looking closer it looks 
like the KPAK3AUX INCLUDES a Y-Adapter extension …. So I may be getting 
everything I need with the cable package?

Don, N5LZ

Sent from Mail for Windows 10

From: Jim Miller
Sent: Monday, February 12, 2018 12:42 PM
To: Don Butler
Cc: j...@kk9a.com; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

VGA Y adapters will NOT work. They don't have a completely pin to pin thru 
wiring. 

Just get the Elecraft unit or shop carefully.

73

jim ab3cv

On Mon, Feb 12, 2018 at 2:37 PM, Don Butler  wrote:
Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter rather 
than make one up and have to do all that soldering …

Don, N5LZ

Sent from Mail for Windows 10

From: j...@kk9a.com
Sent: Monday, February 12, 2018 12:16 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
and a KPA500 all connected to the same ACC jack.

John KK9A


Don Butler n5lz at comcast.net
Mon Feb 12 12:31:13 EST 2018

I've been studying the manual while waiting for my new KPA-1500 to ship ...
I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
ACC  (providing band data for switching bandpass filters).
I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
(2) to the MK2R+ ACC cable.

Will that work?

Will conflicts with KPA-1500 or MK2R+ be created?

Thanks,

Don, N5LZ

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Re: [Elecraft] Suggestions needed - antenna to tuner

[Jim Brown]

I have not seen any of their products, but a post on their website 
indicates that they do not understand how common mode chokes work. The 
result is that they sell stuff that won't burn up, but it won't do 
anything useful either.


73, Jim K9YC

On 2/12/2018 7:29 AM, David Bunte wrote:

I am pleased with results I have gotten with units from BALUN DESIGNS.



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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Jim Miller]

VGA Y adapters will NOT work. They don't have a completely pin to pin thru
wiring.

Just get the Elecraft unit or shop carefully.

73

jim ab3cv

On Mon, Feb 12, 2018 at 2:37 PM, Don Butler  wrote:

> Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter
> rather than make one up and have to do all that soldering …
>
> Don, N5LZ
>
> Sent from Mail for Windows 10
>
> From: j...@kk9a.com
> Sent: Monday, February 12, 2018 12:16 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500
>
> Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
> and a KPA500 all connected to the same ACC jack.
>
> John KK9A
>
>
> Don Butler n5lz at comcast.net
> Mon Feb 12 12:31:13 EST 2018
>
> I've been studying the manual while waiting for my new KPA-1500 to ship ...
> I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
> K3S.   In my case I already have a microHAM MK2R+ cable connected to the
> K3S
> ACC  (providing band data for switching bandpass filters).
> I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to
> run
> from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
> (2) to the MK2R+ ACC cable.
>
> Will that work?
>
> Will conflicts with KPA-1500 or MK2R+ be created?
>
> Thanks,
>
> Don, N5LZ
>
> __
> Elecraft mailing list
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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[j...@kk9a.com]

Don't use VGA products.  Elecraft sells a Y adapter that will work
perfectly and N6TV sells a Y-Box to connect up to four devices to the ACC.

John KK9A
.

Sent via the Samsung Galaxy 7 edge, an AT 4G LTE smartphone.

On Mon, Feb 12, 2018 at 2:37 PM, Don Butler  wrote:

> Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter
> rather than make one up and have to do all that soldering …
>
>
>
> Don, N5LZ
>
>
>
> Sent from Mail  for
> Windows 10
>
>
>
> *From: *j...@kk9a.com
> *Sent: *Monday, February 12, 2018 12:16 PM
> *To: *elecraft@mailman.qth.net
> *Subject: *[Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500
>
>
>
> Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
>
> and a KPA500 all connected to the same ACC jack.
>
>
>
> John KK9A
>
>
>
>
>
> Don Butler n5lz at comcast.net
>
> Mon Feb 12 12:31:13 EST 2018
>
>
>
> I've been studying the manual while waiting for my new KPA-1500 to ship ...
>
> I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
>
> K3S.   In my case I already have a microHAM MK2R+ cable connected to the
> K3S
>
> ACC  (providing band data for switching bandpass filters).
>
> I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to
> run
>
> from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
>
> (2) to the MK2R+ ACC cable.
>
>
>
> Will that work?
>
>
>
> Will conflicts with KPA-1500 or MK2R+ be created?
>
>
>
> Thanks,
>
>
>
> Don, N5LZ
>
>
>
> __
>
> Elecraft mailing list
>
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/mmfaq.htm
>
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>
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>
> Please help support this email list: http://www.qsl.net/donate.html
>
> Message delivered to n...@comcast.net
>
>
>
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Re: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Don Butler]

Tnx John …. I guess a better option might be to just buy a VGA Y-Adapter rather 
than make one up and have to do all that soldering …

Don, N5LZ

Sent from Mail for Windows 10

From: j...@kk9a.com
Sent: Monday, February 12, 2018 12:16 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
and a KPA500 all connected to the same ACC jack.

John KK9A


Don Butler n5lz at comcast.net
Mon Feb 12 12:31:13 EST 2018

I've been studying the manual while waiting for my new KPA-1500 to ship ...
I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
ACC  (providing band data for switching bandpass filters).
I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
(2) to the MK2R+ ACC cable.

Will that work?

Will conflicts with KPA-1500 or MK2R+ be created?

Thanks,

Don, N5LZ

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[Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[j...@kk9a.com]

Yes a Y will work.  I have had a MicroHAM keyer, a Top Ten Band Decoder
and a KPA500 all connected to the same ACC jack.

John KK9A


Don Butler n5lz at comcast.net
Mon Feb 12 12:31:13 EST 2018

I've been studying the manual while waiting for my new KPA-1500 to ship ...
I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
ACC  (providing band data for switching bandpass filters).
I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
(2) to the MK2R+ ACC cable.

Will that work?

Will conflicts with KPA-1500 or MK2R+ be created?

Thanks,

Don, N5LZ

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[Elecraft] Y-Adapter for K3S ACC - KPAK3AUX - KPA-1500

[Don Butler]

I've been studying the manual while waiting for my new KPA-1500 to ship ...
I see that the KPAK3AUX cable must run from AUX on the amp to ACC on the
K3S.   In my case I already have a microHAM MK2R+ cable connected to the K3S
ACC  (providing band data for switching bandpass filters).
I'm thinking that I can build a Y-Adapter cable assembly with DB-15s  to run
from the K3S ACC and split (1) to KPAK3AUX and on to the KPA-1500 AUX . and
(2) to the MK2R+ ACC cable.

Will that work?  

Will conflicts with KPA-1500 or MK2R+ be created?

Thanks,

Don, N5LZ

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Re: [Elecraft] Suggestions needed - antenna to tuner

[John W2XS]

I replaced my Johnson Matchbox with a Balun Designs tuner balun. The biggest
benefit is that the K3 ATU remembers the settings from band to band so the
QSY is very rapid. I love watching the DX spots come rolling through on my
N3FJP logging program and clicking on them to QSY to that frequency and not
have to tune up again. I use it on 80 through 6 meters with an 80m doublet
fed with KW ladder line (300 ohm).

My recommendation is to keep the piece of coax from the balun to the rig as
short as possible.  This is to minimize loss since that line will most
likely be highly mis-matched on most bands. There was a QST article not that
long ago which detailed the losses in that situation and I was surprised at
how high they were.

I once had an MFJ balanced RF Ammeter and made measurements of the JMB vs.
the balun and they compared favorably.  DJ0IP (referenced earlier) has
kindly put those measurements on his website. (This is in the FWIW
category!)

I have not tried to substitute the tuner balun with another type but that
might be a future experiment.

73, John W2XS



--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] Link for the treatise on RFdi

[G4GNX]

https://nk7z.net/rfi-site-survey-part-ii-interpretation/

There ya go.

73,

Alan. G4GNX

-Original Message- 
From: Jim Rogers 
Sent: Monday, February 12, 2018 4:03 PM 
To: elecraft@mailman.qth.net 
Subject: [Elecraft] Link for the treatise on RFdi 

Got carried away with the delete key and accidentally deleted the info 
regarding the RFI studies. Can someone relay that link to me.


Thank  you, 73s, Jim, W4ATK

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Re: [Elecraft] Suggestions needed - antenna to tuner

[Barry]

Alan,
Good questions. The Elecraft tuners can not be beat for what they 
can tune, so the only real issue is how to transition to coax from open 
wire/ladder line. Probably, the easiest is to use a 4:1 current balun to 
make the transition. I would go with one that is rated at least 3KW. Why 
so heavy? The answer is core heating when running with a high SWR; this 
is more of a design "safety" issue. And, the current balun will stay 
balanced better than a voltage balun when presented a high SWR.


I use a variant of this here in my station, meaning the antenna is 
slightly different. It works great with no problems and I can use my 
antenna 80-10 meters. DXengineering and Balun Designs make good baluns 
as I'm sure there are others, but I know these work.


One last thought. Make the transition as close to where your egress 
point is. If you have a fairly lengthy transmission line run, you will 
be using the lowest loss line for as far as you can go and then 
transition. I would use a very low loss cable from the balun to the 
tuner, something like LMR-400.


73,
Barry
K3NDM

-- Original Message --
From: "Alan Lambert" 
To: elecraft@mailman.qth.net
Sent: 2/12/2018 9:26:40 AM
Subject: [Elecraft] Suggestions needed - antenna to tuner


I could use a little advice

My present setup is;
KX3 > KPA100 (w/ ATU)  >   MFJ Balanced line tuner  >  ladder line fed
80m Inv 'V'

I run this with the ATU disabled and then manually tune.  Obviously
this is time consuming and makes band switching a pain so I am
considering removing the MFJ from the chain and start using the ATU.
Also I plan to add a KPA/KAT500 in the near future and my MJF tops out
at 300w so I has to go anway.


The questions are...

1) Should I do it? or will I see a significant performance decrease?

2) If I do  -  How should I make the ladder to coax conversion? I
think I need a "tuner balun"?

73
Alan
KN4BBC
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[Elecraft] Notice: Site change to https

[Alan D. Wilcox]

Hello,

Given all the hacking and web insecurity, my site is down for a day
while my new SSL certificate for https is completed and the DNS info
propagates thru the web.

When it finally comes alive, you should find me at
https://WilcoxEngineering.com

Cheers,
Alan

Alan D. Wilcox, W3DVX (K2-5373, K3-40)
570-478-0736 (cell, text)
http://amazon.com/author/alandwilcox
Williamsport, PA 17701
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[Elecraft] Link for the treatise on RFdi

[Jim Rogers]

Got carried away with the delete key and accidentally deleted the info 
regarding the RFI studies. Can someone relay that link to me.


Thank  you, 73s, Jim, W4ATK

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Re: [Elecraft] Sub RX Deaf??

[John Gibson]

Correction: I should have said that when I installed my KRX3, it was deaf 
because I had overlooked the step about configuring the ROOFING filters.

73,
John, no8v


From: elecraft-boun...@mailman.qth.net  on 
behalf of ROCCON GRAZIANO GIULIANO 
Sent: Monday, February 12, 2018 5:20:50 AM
To: GWK; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub RX Deaf??

Hello Chris,


i just installed the second RX me too.

Same impression during first but the solution was very easy for me, i
had the Config:spkr set to 2 instead of 1 and simply i had not audio
from the second rx.

Changing Config:spkr value from 2 to 1, make the second rx "screams"
correctly :-)

Ah, and look also in the menù config for KRX3 if is activated and you
choose ANT=ATU if you have not installed the dedicate BNC or ANT=BNC if
you have installed the dedicate BNC, remember to connect and antenna to
the BNC in this case.

73's de IW2NOY.



Il 12/02/2018 01:49, GWK ha scritto:
> Chris,
> When I built my K3 years ago, the Sub-Rx didn't work.  I found I had
> plugged the synthesizer module (KSYN3 at that time) into its socket
> just one pin off - very hard to see.  Corrected it and never looked
> back. Fortunately, no damage to the synthesizer in doing this.
> So maybe?
> George, W3HBM
>
> On 2/11/2018 3:43 PM, Chris Soames wrote:
>> Hi Just fitted SubRx into my K3 nothing heard only background noise,
>> no matter what ant configuration or other setting,
>> SubRx appears to be deaf?
>>
>> Oh dear where to next?
>>
>> Chris G0TZZ
>> __
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Re: [Elecraft] Suggestions needed - antenna to tuner

[Bob McGraw K4TAX]

I've used balanced line systems and tuners and baluns for years. In 
general the 135 ft center fed wire with your choice of balanced line, I 
use the vinyl covered 450 line from The Wireman, will work quite 
well.    I bring the line from the feed point of the antenna all the way 
to the operating position where it terminated into the 1:1 current 
balun.  Balanced line of this type is not near as difficult to use as 
many will allude.   Just use common sense.  Be sure to use lightning 
protection on the line before it enters the house.


Regarding baluns, keep in mind that one is not "matching the line" i.e. 
450 ohms but the overall load Z.   Hence the better choice is the 1:1 
current balun and not the 4:1 as many seem to believe.    Also, 
understand that the design and rating of baluns is based on a matched 
operating condition on both sides of the balun.  The 135 ft center fed 
wire with balanced feed is in most cases far from matched.  Thus the 
balun should be rated for much higher power than one would ever expect 
to run.  In my case, for legal limit power, my balun is rated at 
10KW.    I do use BALUN DESIGNS products for my applications.  Be sure 
you select a balun which is designed to be used with a tuner as the 
voltage / current ratings will be different than those for matched 
applications.


What is a matched application for a balun?.  A good example is a folded 
dipole made of and fed with balanced line.  Typically the folded dipole 
Z is about 300 ohms regardless of line impedance. However, due to 
reasonable proximity to the earth, the impedance is more like 200 to 250 
ohms.   Hence a 4:1 balun is the ideal choice providing an unbalanced 
feed to the transmitter of about 50 ohms.


Here is a good source for real world applications and performance of 
baluns. http://www.dj0ip.de/balun-stuff/


73

Bob, K4TAX


On 2/12/2018 9:29 AM, David Bunte wrote:

Alan -

I am pleased with results I have gotten with units from BALUN DESIGNS.
Their 1161 & 1171 models are possible choices. I know some folks would
rather spend less and build their own, but if that is not your preference,
then look at these models.

Best of luck.

73 de Dave - K9FN

On Mon, Feb 12, 2018 at 10:20 AM, Alan Lambert  wrote:


MORE Info

As is I can work 80-10.  Some bands are better then others but I can
work them all with an SWR in the 1:1  to 1.3:1  range.The fed line
is 450 window. The dipole is center fed.

On Mon, Feb 12, 2018 at 9:26 AM, Alan Lambert 
wrote:

I could use a little advice

My present setup is;
KX3 > KPA100 (w/ ATU)  >   MFJ Balanced line tuner  >  ladder line fed
80m Inv 'V'

I run this with the ATU disabled and then manually tune.  Obviously
this is time consuming and makes band switching a pain so I am
considering removing the MFJ from the chain and start using the ATU.
Also I plan to add a KPA/KAT500 in the near future and my MJF tops out
at 300w so I has to go anway.


The questions are...

1) Should I do it? or will I see a significant performance decrease?

2) If I do  -  How should I make the ladder to coax conversion? I
think I need a "tuner balun"?

73
Alan
KN4BBC

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Re: [Elecraft] k3s rtty split mode

[ROCCON GRAZIANO GIULIANO]

Hello,


the sub receiver is not in the same mode as the first.

Always DOUBLE-TAP A->B until you see on the display "A->B ALL" (copy all 
info like mode, bandiwidth and so on... on the VFO B) and only AFTER, 
activate the SPLIT.


In this way, you are sure that you VFO B is configured like the first 
and ready to work in split mode.


73's de IW2NOY


Il 12/02/2018 16:17, NOEL POULIN ha scritto:

Hello,
I was trying to work in split mode in rtty with the k3s.
K3s says SPL N/A...What am I missing
Thanks
Noel
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Re: [Elecraft] k3s rtty split mode

[Cady, Fred]

VFO B needs to be on the same band and mode as VFO A.  Double tap A>B and then 
it should work.

73,

Fred KE7X


For all KE7X Elecraft books, see www.ke7x.com



From: elecraft-boun...@mailman.qth.net  on 
behalf of NOEL POULIN 
Sent: Monday, February 12, 2018 8:17 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] k3s rtty split mode

Hello,
I was trying to work in split mode in rtty with the k3s.
K3s says SPL N/A...What am I missing
Thanks
Noel
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Re: [Elecraft] Sub RX Deaf??

[John Gibson]

When I installed my KRX3, it was deaf because I had overlooked the step about 
configuring the bandpass filters.

73,
John, no8v


From: elecraft-boun...@mailman.qth.net  on 
behalf of ROCCON GRAZIANO GIULIANO 
Sent: Monday, February 12, 2018 5:20:50 AM
To: GWK; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Sub RX Deaf??

Hello Chris,


i just installed the second RX me too.

Same impression during first but the solution was very easy for me, i
had the Config:spkr set to 2 instead of 1 and simply i had not audio
from the second rx.

Changing Config:spkr value from 2 to 1, make the second rx "screams"
correctly :-)

Ah, and look also in the menù config for KRX3 if is activated and you
choose ANT=ATU if you have not installed the dedicate BNC or ANT=BNC if
you have installed the dedicate BNC, remember to connect and antenna to
the BNC in this case.

73's de IW2NOY.



Il 12/02/2018 01:49, GWK ha scritto:
> Chris,
> When I built my K3 years ago, the Sub-Rx didn't work.  I found I had
> plugged the synthesizer module (KSYN3 at that time) into its socket
> just one pin off - very hard to see.  Corrected it and never looked
> back. Fortunately, no damage to the synthesizer in doing this.
> So maybe?
> George, W3HBM
>
> On 2/11/2018 3:43 PM, Chris Soames wrote:
>> Hi Just fitted SubRx into my K3 nothing heard only background noise,
>> no matter what ant configuration or other setting,
>> SubRx appears to be deaf?
>>
>> Oh dear where to next?
>>
>> Chris G0TZZ
>> __
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Re: [Elecraft] Suggestions needed - antenna to tuner

[David Bunte]

Alan -

I am pleased with results I have gotten with units from BALUN DESIGNS.
Their 1161 & 1171 models are possible choices. I know some folks would
rather spend less and build their own, but if that is not your preference,
then look at these models.

Best of luck.

73 de Dave - K9FN

On Mon, Feb 12, 2018 at 10:20 AM, Alan Lambert  wrote:

> MORE Info
>
> As is I can work 80-10.  Some bands are better then others but I can
> work them all with an SWR in the 1:1  to 1.3:1  range.The fed line
> is 450 window. The dipole is center fed.
>
> On Mon, Feb 12, 2018 at 9:26 AM, Alan Lambert 
> wrote:
> > I could use a little advice
> >
> > My present setup is;
> > KX3 > KPA100 (w/ ATU)  >   MFJ Balanced line tuner  >  ladder line fed
> > 80m Inv 'V'
> >
> > I run this with the ATU disabled and then manually tune.  Obviously
> > this is time consuming and makes band switching a pain so I am
> > considering removing the MFJ from the chain and start using the ATU.
> > Also I plan to add a KPA/KAT500 in the near future and my MJF tops out
> > at 300w so I has to go anway.
> >
> >
> > The questions are...
> >
> > 1) Should I do it? or will I see a significant performance decrease?
> >
> > 2) If I do  -  How should I make the ladder to coax conversion? I
> > think I need a "tuner balun"?
> >
> > 73
> > Alan
> > KN4BBC
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Re: [Elecraft] k3s rtty split mode

[Rich]

Your SubRX was not in FSK/RTTY mode.  At least that is what I recall.  I 
could be wrong.


Rich


On 2/12/2018 10:17 AM, NOEL POULIN wrote:

Hello,
I was trying to work in split mode in rtty with the k3s.
K3s says SPL N/A...What am I missing
Thanks
Noel
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Re: [Elecraft] Suggestions needed - antenna to tuner

[Alan Lambert]

MORE Info

As is I can work 80-10.  Some bands are better then others but I can
work them all with an SWR in the 1:1  to 1.3:1  range.The fed line
is 450 window. The dipole is center fed.

On Mon, Feb 12, 2018 at 9:26 AM, Alan Lambert  wrote:
> I could use a little advice
>
> My present setup is;
> KX3 > KPA100 (w/ ATU)  >   MFJ Balanced line tuner  >  ladder line fed
> 80m Inv 'V'
>
> I run this with the ATU disabled and then manually tune.  Obviously
> this is time consuming and makes band switching a pain so I am
> considering removing the MFJ from the chain and start using the ATU.
> Also I plan to add a KPA/KAT500 in the near future and my MJF tops out
> at 300w so I has to go anway.
>
>
> The questions are...
>
> 1) Should I do it? or will I see a significant performance decrease?
>
> 2) If I do  -  How should I make the ladder to coax conversion? I
> think I need a "tuner balun"?
>
> 73
> Alan
> KN4BBC
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[Elecraft] k3s rtty split mode

[NOEL POULIN]

Hello,
I was trying to work in split mode in rtty with the k3s.
K3s says SPL N/A...What am I missing
Thanks
Noel
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[Elecraft] Suggestions needed - antenna to tuner

[Alan Lambert]

I could use a little advice

My present setup is;
KX3 > KPA100 (w/ ATU)  >   MFJ Balanced line tuner  >  ladder line fed
80m Inv 'V'

I run this with the ATU disabled and then manually tune.  Obviously
this is time consuming and makes band switching a pain so I am
considering removing the MFJ from the chain and start using the ATU.
Also I plan to add a KPA/KAT500 in the near future and my MJF tops out
at 300w so I has to go anway.


The questions are...

1) Should I do it? or will I see a significant performance decrease?

2) If I do  -  How should I make the ladder to coax conversion? I
think I need a "tuner balun"?

73
Alan
KN4BBC
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Re: [Elecraft] Sub RX Deaf??

[ROCCON GRAZIANO GIULIANO]

Hello Chris,


i just installed the second RX me too.

Same impression during first but the solution was very easy for me, i 
had the Config:spkr set to 2 instead of 1 and simply i had not audio 
from the second rx.


Changing Config:spkr value from 2 to 1, make the second rx "screams" 
correctly :-)


Ah, and look also in the menù config for KRX3 if is activated and you 
choose ANT=ATU if you have not installed the dedicate BNC or ANT=BNC if 
you have installed the dedicate BNC, remember to connect and antenna to 
the BNC in this case.


73's de IW2NOY.



Il 12/02/2018 01:49, GWK ha scritto:

Chris,
When I built my K3 years ago, the Sub-Rx didn't work.  I found I had 
plugged the synthesizer module (KSYN3 at that time) into its socket 
just one pin off - very hard to see.  Corrected it and never looked 
back. Fortunately, no damage to the synthesizer in doing this.

So maybe?
George, W3HBM

On 2/11/2018 3:43 PM, Chris Soames wrote:
Hi Just fitted SubRx into my K3 nothing heard only background noise, 
no matter what ant configuration or other setting,

SubRx appears to be deaf?

Oh dear where to next?

Chris G0TZZ
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