Re: [Elecraft] KX2 Antenna Analyzer Program

[David Gilbert]

No, I don't know that at all.  I understand the reluctance to use that 
terminology, but strictly speaking you're wrong.  Reactance networks are 
reciprocal ... they don't care in the least which direction power is 
heading.  The combination of the feedline, the "antenna tuner", and the 
output impedance  of the transmitter reflect back along the feedline to 
the antenna the same reactance that you would use at the antenna feed 
point to zero out the total reactance there ... i.e., "tune" it.  The 
only difference lies with their respective losses., and if you had 
lossless feedline and lossless components there would be no difference 
at all.


It's basic network physics, and reciprocity is reciprocity.

73,
Dave   AB7E



On 2/19/2018 5:53 PM, Fred Jensen wrote:

As we all know, no antenna tuner has ever "tuned" an antenna.

73,

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


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Re: [Elecraft] KX2 Antenna Analyzer Program

[Walter Underwood]

Ah, finally found it. Install the “Wizkers:Radio” Chrome app in the Chrome 
browser. Start it. Connect to your KX3. One of the instruments will be “SWR 
Sweeper”. Use that.

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

> On Feb 19, 2018, at 5:52 PM, Walter Underwood  wrote:
> 
> Wizkers:Radio works with the KX2. Here is the main page instead of the KX3 
> documentation.
> 
> http://www.wizkers.io/wizkersradio/
> 
> I’ll ask Ed about the SWR function, because I know it worked. Ah, found the 
> original forum discussion where I asked him to add it. That includes the 
> screenshot.
> 
> http://forum.wizkers.io/t/swr-sweep-with-wizkers-and-kx3/43
> 
> wunder
> Walter Underwood
> wun...@wunderwood.org
> http://observer.wunderwood.org/  (my blog)
> 
>> On Feb 19, 2018, at 4:58 PM, Jim Sr Sturges  wrote:
>> 
>> Thanks to everyone. The Wizkers appears to want to work with the Elecraft 
>> 100W amp, not the KX2. The KX3 is supported, but not the 2 and I couldn’t 
>> find the “sweep” functionality for the 3. 
>> 
>> I will continue to search. 
>> 
>> And I will call it an antenna sweeping thingy in order not to offend. 
>> 
>> Thanks, again. 
>> 
>> 73
>> 
>> Jim N3SZ
>> On Mon, Feb 19, 2018 at 7:31 PM Walter Underwood > > wrote:
>> I know, I was going to fix that, but it was already too complicated. It 
>> would be measuring the same thing that an “antenna” analyzer measured when 
>> connected to the same terminal.
>> 
>> The common terminology is such a disaster that it is tiring to fight it.
>> 
>> wunder
>> K6WRU
>> Walter Underwood
>> CM87wj
>> http://observer.wunderwood.org/  (my blog)
>> 
>>> On Feb 19, 2018, at 3:52 PM, Fred Jensen >> > wrote:
>>> 
>>> Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"
>>> 
>>> 73,
>>> 
>>> Fred ["Skip"] K6DGW
>>> Sparks NV DM09dn
>>> Washoe County
>>> 
>>> On 2/19/2018 3:02 PM, Walter Underwood wrote:
 I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
 earlier version of the program.
 
 http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/ 
 
 
 An antenna analyzer does a lot more, but an SWR scan is handy.
 
 Hmm, because you can read back the L-C combinations from the ATU, you 
 could estimate the antenna Z from the conjugate match. That would be a lot 
 more like an antenna analyzer.
 
 wunder
 K6WRU
 Walter Underwood
 CM87wj
 http://observer.wunderwood.org/  (my blog)
 
> On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges  > wrote:
> 
> I saw and carefully bookmarked an article on a software utility that would
> allow the KX2 to act as an antenna analyzer. And lost the bookmark.
> 
> Unless that was a dream/fantasy, would someone kindly Elmer me along and
> remind me where that resource is? My considerable googling skills have
> proved for nought.
> 
> Many thanks and 73,
> 
> Jim N3SZ
> --
> Jim Sturges, N3SZ
> Amateur Radio operators do it with frequency.
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Re: [Elecraft] K2 is dead?

[Don Wilhelm]

Ken and all,

Thank you for that endorsement - I endeavor to return a radio working 
'the best it can be' no matter if it is an official Elecraft repair on 
an independent repair.


At the current time, I am doing support for Elecraft as well as both 
Elecraft repairs and independent repairs for the Classic (legacy) gear - 
the K2, K1, KX1 and XV series tranverters.  All that keeps me quite busy 
and my turn-around time on repairs has slowed since I have been also 
doing support activities via both email and phone directly for Elecraft.


Be that as it may, I still do many repairs of the K2, K1, KX1 and XV 
series tranverters, but my turn-around time has slowed a bit because of 
my other activities.


Send me a direct email (w3fpr@embarqmailcom) asking for my service and I 
will send you my service form.  If you prefer to go through the official 
Elecraft repair channel, send an email to supp...@elecraft.com and ask 
for an RSA number and form - wait until you have received the RSA number 
and shipping instructions before sending your K2.


RSA repairs of the K2, K1, KX1 and XV series transverters are not done 
in Watsonville, but at my address in North Carolina, or possibility by 
Gary in Arizona.


73,
Don W3FPR


On 2/19/2018 8:55 PM, Ken G Kopp wrote:

I'll add my enthusiastic endorsement for Don, W3FPR.  He's prompt and
reasonable.

73!

Ken - K0PP

On Feb 19, 2018 18:50, "Bill Johnson"  wrote:


Dave,  my suggestion:  send it Don who is a fantastic expert. He is very
reasonalble in his fees.  While I am technically competent, and have the
equipment, he is natural at it.  I have to work at it, because unlike Don,
don't do it day to day.  I have sent equipment to him and it is done in no
time.  If you have time to do your own work, then give that a shot.  For
me, life it too short.


73,
Bill
K9YEQ



-Original Message-
From: elecraft-boun...@mailman.qth.net [mailto:elecraft-bounces@
mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, February 19, 2018 6:28 PM
To: David Perrin ; Elecraft 
Subject: Re: [Elecraft] K2 is dead?

David,[Bill] n

There are several possibilities.
While it is possible that the "serial" cable may have been the the
problem, that could have damaged the KIO2 (or KPA100), but it could also
have damaged the MCU (U6) on the control board.

Did it go into transmit with no load?  If so, it may be that Q7 and Q8
have been damaged.  Check the resistance from the collector to ground.
It should start out at about 2k ohms and increase in resistance as the
electrolytics charge.  If it is substantially less than that, the PA
transistors may have been damaged - that will trip the internal resettable
fuse (F1).
To remove 12v power from the PA transistors, you can remove them (do that
if the resistance check reveals them to be shorted), or you can remove
transformer T3.
After removing 12v from the PA transistors, see if the K2 powers on.

I don't know of anyone who is skilled in troubleshooting the K2 in central
FL, but someone may volunteer.

If you remove the PA transistors and do not have adequate desoldering
ability, clip the leads at the transistor bodies and remove the leads one
at a time.  Clean up with solder wick and if solder remains in the holes,
heat the pads and push the solder out with a wooden toothpick.
Replace the PA transistors with the K2PAKIT from Elecraft - it has matched
PA transistors.  I can give you some tests to check with the PA transistors
out to check whether transistors Q11 and Q13 are OK (they are included with
the K2PAKIT).


73,
Don W3FPR


On 2/19/2018 10:20 AM, David Perrin wrote:

Hi-

Two questions?

After 18 years my K2 doesn’t turn on. I did it. I must have incorrectly

wired the Serial cable. When it got plugged in - that did it.


There is power thru the Power button. With the radio disassembled to the

main pc board, (sans everything that can plug into the main board) and
power applied thru the 1/8” coaxial power connector power doesn’t seem to
get beyond that.


I am not in a place where I can get more parts out on the bench, nor the

equipment except for a cheap digital Voltmeter.


Question 1: Is there someone in the central Florida area who knows this

radio and can shed some light on my problem?


Question 2: Is there someone in central Florida who repairs the K2?

Thanks for reading.

73 de Dave

k1op...@gmail.com

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Post: 

Re: [Elecraft] Using P3TXMon with KPA1500

[Don Wilhelm]

Bill,

The KPA1500 is similar to the KPA500 in that regard, except that you 
cannot access the connection between the PA and the tuner.


Connect the TX monitor in line with the antenna.  It will show the 
unmatched SWR and power to the antenna (the SWR will not change with the 
tuner settings), but serves as a monitor on any changes (faults) 
happening in your antenna system.  If the SWR changes, there is a 
problem with your antenna.


With the KPA500 and KAT500, you could place the monitor between the 
KPA500 and the KAT500 and see the SWR that the KAT500 has provided - but 
that information is also available on the KAT500 LEDs.  With the TX 
Monitor placed between the KPA1500 ANT output and the antenna, the thing 
to monitor is *changes* in the SWR (not for an SWR of 1-1).  A change in 
SWR of the antenna indicates something has changed in your antenna system.


The LEDs on the KPA1500 will indicate the SWR match achieved by the ATU, 
and can be believed - no need to duplicate that SWR on the TX Monitor.


73,
Don W3FPR

On 2/19/2018 8:38 PM, Bill Wiehe via Elecraft wrote:

I have been looking over the on-line manual and I unable to find any reference 
that explains how one will connect the P3TXMon Option Coupler to KPA1500 in 
order to measure power and swr. Does anyone have any insight.
Thanks,Bill - W0BBI
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Re: [Elecraft] K2 is dead?

[Ken G Kopp]

I'll add my enthusiastic endorsement for Don, W3FPR.  He's prompt and
reasonable.

73!

Ken - K0PP

On Feb 19, 2018 18:50, "Bill Johnson"  wrote:

> Dave,  my suggestion:  send it Don who is a fantastic expert. He is very
> reasonalble in his fees.  While I am technically competent, and have the
> equipment, he is natural at it.  I have to work at it, because unlike Don,
> don't do it day to day.  I have sent equipment to him and it is done in no
> time.  If you have time to do your own work, then give that a shot.  For
> me, life it too short.
>
>
> 73,
> Bill
> K9YEQ
>
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net [mailto:elecraft-bounces@
> mailman.qth.net] On Behalf Of Don Wilhelm
> Sent: Monday, February 19, 2018 6:28 PM
> To: David Perrin ; Elecraft 
> Subject: Re: [Elecraft] K2 is dead?
>
> David,[Bill] n
>
> There are several possibilities.
> While it is possible that the "serial" cable may have been the the
> problem, that could have damaged the KIO2 (or KPA100), but it could also
> have damaged the MCU (U6) on the control board.
>
> Did it go into transmit with no load?  If so, it may be that Q7 and Q8
> have been damaged.  Check the resistance from the collector to ground.
> It should start out at about 2k ohms and increase in resistance as the
> electrolytics charge.  If it is substantially less than that, the PA
> transistors may have been damaged - that will trip the internal resettable
> fuse (F1).
> To remove 12v power from the PA transistors, you can remove them (do that
> if the resistance check reveals them to be shorted), or you can remove
> transformer T3.
> After removing 12v from the PA transistors, see if the K2 powers on.
>
> I don't know of anyone who is skilled in troubleshooting the K2 in central
> FL, but someone may volunteer.
>
> If you remove the PA transistors and do not have adequate desoldering
> ability, clip the leads at the transistor bodies and remove the leads one
> at a time.  Clean up with solder wick and if solder remains in the holes,
> heat the pads and push the solder out with a wooden toothpick.
> Replace the PA transistors with the K2PAKIT from Elecraft - it has matched
> PA transistors.  I can give you some tests to check with the PA transistors
> out to check whether transistors Q11 and Q13 are OK (they are included with
> the K2PAKIT).
>
>
> 73,
> Don W3FPR
>
>
> On 2/19/2018 10:20 AM, David Perrin wrote:
> > Hi-
> >
> > Two questions?
> >
> > After 18 years my K2 doesn’t turn on. I did it. I must have incorrectly
> wired the Serial cable. When it got plugged in - that did it.
> >
> > There is power thru the Power button. With the radio disassembled to the
> main pc board, (sans everything that can plug into the main board) and
> power applied thru the 1/8” coaxial power connector power doesn’t seem to
> get beyond that.
> >
> > I am not in a place where I can get more parts out on the bench, nor the
> equipment except for a cheap digital Voltmeter.
> >
> > Question 1: Is there someone in the central Florida area who knows this
> radio and can shed some light on my problem?
> >
> > Question 2: Is there someone in central Florida who repairs the K2?
> >
> > Thanks for reading.
> >
> > 73 de Dave
> >
> > k1op...@gmail.com
> >
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net Please help support this email
> > list: http://www.qsl.net/donate.html Message delivered to
> > donw...@embarqmail.com
> >
> __
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Re: [Elecraft] KX2 Antenna Analyzer Program

[Walter Underwood]

Wizkers:Radio works with the KX2. Here is the main page instead of the KX3 
documentation.

http://www.wizkers.io/wizkersradio/

I’ll ask Ed about the SWR function, because I know it worked. Ah, found the 
original forum discussion where I asked him to add it. That includes the 
screenshot.

http://forum.wizkers.io/t/swr-sweep-with-wizkers-and-kx3/43

wunder
Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/  (my blog)

> On Feb 19, 2018, at 4:58 PM, Jim Sr Sturges  wrote:
> 
> Thanks to everyone. The Wizkers appears to want to work with the Elecraft 
> 100W amp, not the KX2. The KX3 is supported, but not the 2 and I couldn’t 
> find the “sweep” functionality for the 3. 
> 
> I will continue to search. 
> 
> And I will call it an antenna sweeping thingy in order not to offend. 
> 
> Thanks, again. 
> 
> 73
> 
> Jim N3SZ
> On Mon, Feb 19, 2018 at 7:31 PM Walter Underwood  > wrote:
> I know, I was going to fix that, but it was already too complicated. It would 
> be measuring the same thing that an “antenna” analyzer measured when 
> connected to the same terminal.
> 
> The common terminology is such a disaster that it is tiring to fight it.
> 
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/  (my blog)
> 
> > On Feb 19, 2018, at 3:52 PM, Fred Jensen  > > wrote:
> >
> > Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"
> >
> > 73,
> >
> > Fred ["Skip"] K6DGW
> > Sparks NV DM09dn
> > Washoe County
> >
> > On 2/19/2018 3:02 PM, Walter Underwood wrote:
> >> I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
> >> earlier version of the program.
> >>
> >> http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/ 
> >> 
> >>
> >> An antenna analyzer does a lot more, but an SWR scan is handy.
> >>
> >> Hmm, because you can read back the L-C combinations from the ATU, you 
> >> could estimate the antenna Z from the conjugate match. That would be a lot 
> >> more like an antenna analyzer.
> >>
> >> wunder
> >> K6WRU
> >> Walter Underwood
> >> CM87wj
> >> http://observer.wunderwood.org/  (my blog)
> >>
> >>> On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges  >>> > wrote:
> >>>
> >>> I saw and carefully bookmarked an article on a software utility that would
> >>> allow the KX2 to act as an antenna analyzer. And lost the bookmark.
> >>>
> >>> Unless that was a dream/fantasy, would someone kindly Elmer me along and
> >>> remind me where that resource is? My considerable googling skills have
> >>> proved for nought.
> >>>
> >>> Many thanks and 73,
> >>>
> >>> Jim N3SZ
> >>> --
> >>> Jim Sturges, N3SZ
> >>> Amateur Radio operators do it with frequency.
> >>> __
> >>> Elecraft mailing list
> >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft 
> >>> 
> >>> Help: http://mailman.qth.net/mmfaq.htm 
> >>> Post: mailto:Elecraft@mailman.qth.net 
> >>>
> >>> This list hosted by: http://www.qsl.net 
> >>> Please help support this email list: http://www.qsl.net/donate.html 
> >>> 
> >>> Message delivered to wun...@wunderwood.org 
> >> __
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> >> 
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> >> 
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> >
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> > 
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> 
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> Home: 

Re: [Elecraft] K2 is dead?

[Bill Johnson]

Dave,  my suggestion:  send it Don who is a fantastic expert. He is very 
reasonalble in his fees.  While I am technically competent, and have the 
equipment, he is natural at it.  I have to work at it, because unlike Don, 
don't do it day to day.  I have sent equipment to him and it is done in no 
time.  If you have time to do your own work, then give that a shot.  For me, 
life it too short. 


73,
Bill
K9YEQ



-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Monday, February 19, 2018 6:28 PM
To: David Perrin ; Elecraft 
Subject: Re: [Elecraft] K2 is dead?

David,[Bill] n

There are several possibilities.
While it is possible that the "serial" cable may have been the the problem, 
that could have damaged the KIO2 (or KPA100), but it could also have damaged 
the MCU (U6) on the control board.

Did it go into transmit with no load?  If so, it may be that Q7 and Q8 have 
been damaged.  Check the resistance from the collector to ground. 
It should start out at about 2k ohms and increase in resistance as the 
electrolytics charge.  If it is substantially less than that, the PA 
transistors may have been damaged - that will trip the internal resettable fuse 
(F1).
To remove 12v power from the PA transistors, you can remove them (do that if 
the resistance check reveals them to be shorted), or you can remove transformer 
T3.
After removing 12v from the PA transistors, see if the K2 powers on.

I don't know of anyone who is skilled in troubleshooting the K2 in central FL, 
but someone may volunteer.

If you remove the PA transistors and do not have adequate desoldering ability, 
clip the leads at the transistor bodies and remove the leads one at a time.  
Clean up with solder wick and if solder remains in the holes, heat the pads and 
push the solder out with a wooden toothpick.
Replace the PA transistors with the K2PAKIT from Elecraft - it has matched PA 
transistors.  I can give you some tests to check with the PA transistors out to 
check whether transistors Q11 and Q13 are OK (they are included with the 
K2PAKIT).


73,
Don W3FPR


On 2/19/2018 10:20 AM, David Perrin wrote:
> Hi-
> 
> Two questions?
> 
> After 18 years my K2 doesn’t turn on. I did it. I must have incorrectly wired 
> the Serial cable. When it got plugged in - that did it.
> 
> There is power thru the Power button. With the radio disassembled to the main 
> pc board, (sans everything that can plug into the main board) and power 
> applied thru the 1/8” coaxial power connector power doesn’t seem to get 
> beyond that.
> 
> I am not in a place where I can get more parts out on the bench, nor the 
> equipment except for a cheap digital Voltmeter.
> 
> Question 1: Is there someone in the central Florida area who knows this radio 
> and can shed some light on my problem?
> 
> Question 2: Is there someone in central Florida who repairs the K2?
> 
> Thanks for reading.
> 
> 73 de Dave
> 
> k1op...@gmail.com
> 
> __
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> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> This list hosted by: http://www.qsl.net Please help support this email 
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> donw...@embarqmail.com
> 
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[Elecraft] Using P3TXMon with KPA1500

[Bill Wiehe via Elecraft]

I have been looking over the on-line manual and I unable to find any reference 
that explains how one will connect the P3TXMon Option Coupler to KPA1500 in 
order to measure power and swr. Does anyone have any insight.
Thanks,Bill - W0BBI
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Re: [Elecraft] KX2 Antenna Analyzer Program

[Jim Sr Sturges]

Thanks to everyone. The Wizkers appears to want to work with the Elecraft
100W amp, not the KX2. The KX3 is supported, but not the 2 and I couldn’t
find the “sweep” functionality for the 3.

I will continue to search.

And I will call it an antenna sweeping thingy in order not to offend.

Thanks, again.

73

Jim N3SZ
On Mon, Feb 19, 2018 at 7:31 PM Walter Underwood 
wrote:

> I know, I was going to fix that, but it was already too complicated. It
> would be measuring the same thing that an “antenna” analyzer measured when
> connected to the same terminal.
>
> The common terminology is such a disaster that it is tiring to fight it.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
> > On Feb 19, 2018, at 3:52 PM, Fred Jensen  wrote:
> >
> > Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"
> >
> > 73,
> >
> > Fred ["Skip"] K6DGW
> > Sparks NV DM09dn
> > Washoe County
> >
> > On 2/19/2018 3:02 PM, Walter Underwood wrote:
> >> I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with
> an earlier version of the program.
> >>
> >> http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/
> >>
> >> An antenna analyzer does a lot more, but an SWR scan is handy.
> >>
> >> Hmm, because you can read back the L-C combinations from the ATU, you
> could estimate the antenna Z from the conjugate match. That would be a lot
> more like an antenna analyzer.
> >>
> >> wunder
> >> K6WRU
> >> Walter Underwood
> >> CM87wj
> >> http://observer.wunderwood.org/ (my blog)
> >>
> >>> On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges 
> wrote:
> >>>
> >>> I saw and carefully bookmarked an article on a software utility that
> would
> >>> allow the KX2 to act as an antenna analyzer. And lost the bookmark.
> >>>
> >>> Unless that was a dream/fantasy, would someone kindly Elmer me along
> and
> >>> remind me where that resource is? My considerable googling skills have
> >>> proved for nought.
> >>>
> >>> Many thanks and 73,
> >>>
> >>> Jim N3SZ
> >>> --
> >>> Jim Sturges, N3SZ
> >>> Amateur Radio operators do it with frequency.
> >>> __
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> >> __
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-- 
Jim Sturges, N3SZ
Amateur Radio operators do it with frequency.
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Re: [Elecraft] KX2 Antenna Analyzer Program

[Fred Jensen]

No and Yes.  Wunder is always so very precise, I figured a typo.  
Antenna impedance, in most circles means the impedance of the antenna at 
its feedpoint, which is often but not always elevated above the ground.  
Antenna analyzers are often, but not always, connected at the input end 
of a transmission line, normally where it's connected to the transmitter 
and report the load characteristics the TX will see.  I always thought 
"Antenna Coupler" was an OK compromise name and it's shorter than 
Impedance Matching Network.  As we all know, no antenna tuner has ever 
"tuned" an antenna.


73,

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

On 2/19/2018 4:23 PM, Ron D'Eau Claire wrote:

Fred, isn't that where the antenna starts, or are you limiting "antenna" to 
mean the radiator itself?

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen
Sent: Monday, February 19, 2018 3:52 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX2 Antenna Analyzer Program

Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"

73,

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

On 2/19/2018 3:02 PM, Walter Underwood wrote:

I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
earlier version of the program.

http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/

An antenna analyzer does a lot more, but an SWR scan is handy.

Hmm, because you can read back the L-C combinations from the ATU, you could 
estimate the antenna Z from the conjugate match. That would be a lot more like 
an antenna analyzer.

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





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Re: [Elecraft] KX2 Antenna Analyzer Program

[Walter Underwood]

I know, I was going to fix that, but it was already too complicated. It would 
be measuring the same thing that an “antenna” analyzer measured when connected 
to the same terminal.

The common terminology is such a disaster that it is tiring to fight it.

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

> On Feb 19, 2018, at 3:52 PM, Fred Jensen  wrote:
> 
> Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"
> 
> 73,
> 
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> 
> On 2/19/2018 3:02 PM, Walter Underwood wrote:
>> I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
>> earlier version of the program.
>> 
>> http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/
>> 
>> An antenna analyzer does a lot more, but an SWR scan is handy.
>> 
>> Hmm, because you can read back the L-C combinations from the ATU, you could 
>> estimate the antenna Z from the conjugate match. That would be a lot more 
>> like an antenna analyzer.
>> 
>> wunder
>> K6WRU
>> Walter Underwood
>> CM87wj
>> http://observer.wunderwood.org/ (my blog)
>> 
>>> On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges  wrote:
>>> 
>>> I saw and carefully bookmarked an article on a software utility that would
>>> allow the KX2 to act as an antenna analyzer. And lost the bookmark.
>>> 
>>> Unless that was a dream/fantasy, would someone kindly Elmer me along and
>>> remind me where that resource is? My considerable googling skills have
>>> proved for nought.
>>> 
>>> Many thanks and 73,
>>> 
>>> Jim N3SZ
>>> -- 
>>> Jim Sturges, N3SZ
>>> Amateur Radio operators do it with frequency.
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft@mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to wun...@wunderwood.org
>> __
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> 
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Re: [Elecraft] K2 is dead?

[Don Wilhelm]

David,

There are several possibilities.
While it is possible that the "serial" cable may have been the the 
problem, that could have damaged the KIO2 (or KPA100), but it could also 
have damaged the MCU (U6) on the control board.


Did it go into transmit with no load?  If so, it may be that Q7 and Q8 
have been damaged.  Check the resistance from the collector to ground. 
It should start out at about 2k ohms and increase in resistance as the 
electrolytics charge.  If it is substantially less than that, the PA 
transistors may have been damaged - that will trip the internal 
resettable fuse (F1).
To remove 12v power from the PA transistors, you can remove them (do 
that if the resistance check reveals them to be shorted), or you can 
remove transformer T3.

After removing 12v from the PA transistors, see if the K2 powers on.

I don't know of anyone who is skilled in troubleshooting the K2 in 
central FL, but someone may volunteer.


If you remove the PA transistors and do not have adequate desoldering 
ability, clip the leads at the transistor bodies and remove the leads 
one at a time.  Clean up with solder wick and if solder remains in the 
holes, heat the pads and push the solder out with a wooden toothpick.
Replace the PA transistors with the K2PAKIT from Elecraft - it has 
matched PA transistors.  I can give you some tests to check with the PA 
transistors out to check whether transistors Q11 and Q13 are OK (they 
are included with the K2PAKIT).



73,
Don W3FPR


On 2/19/2018 10:20 AM, David Perrin wrote:

Hi-

Two questions?

After 18 years my K2 doesn’t turn on. I did it. I must have incorrectly wired 
the Serial cable. When it got plugged in - that did it.

There is power thru the Power button. With the radio disassembled to the main 
pc board, (sans everything that can plug into the main board) and power applied 
thru the 1/8” coaxial power connector power doesn’t seem to get beyond that.

I am not in a place where I can get more parts out on the bench, nor the 
equipment except for a cheap digital Voltmeter.

Question 1: Is there someone in the central Florida area who knows this radio 
and can shed some light on my problem?

Question 2: Is there someone in central Florida who repairs the K2?

Thanks for reading.

73 de Dave

k1op...@gmail.com

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Re: [Elecraft] KX2 Antenna Analyzer Program

[Ron D'Eau Claire]

Fred, isn't that where the antenna starts, or are you limiting "antenna" to 
mean the radiator itself?

73, Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Jensen
Sent: Monday, February 19, 2018 3:52 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX2 Antenna Analyzer Program

Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"

73,

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

On 2/19/2018 3:02 PM, Walter Underwood wrote:
> I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
> earlier version of the program.
>
> http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/
>
> An antenna analyzer does a lot more, but an SWR scan is handy.
>
> Hmm, because you can read back the L-C combinations from the ATU, you could 
> estimate the antenna Z from the conjugate match. That would be a lot more 
> like an antenna analyzer.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>

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Re: [Elecraft] KX2 Antenna Analyzer Program

[Fred Jensen]

Antenna Z?  I think you meant "Impedance at the ATU antenna connector?"

73,

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

On 2/19/2018 3:02 PM, Walter Underwood wrote:

I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
earlier version of the program.

http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/

An antenna analyzer does a lot more, but an SWR scan is handy.

Hmm, because you can read back the L-C combinations from the ATU, you could 
estimate the antenna Z from the conjugate match. That would be a lot more like 
an antenna analyzer.

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


On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges  wrote:

I saw and carefully bookmarked an article on a software utility that would
allow the KX2 to act as an antenna analyzer. And lost the bookmark.

Unless that was a dream/fantasy, would someone kindly Elmer me along and
remind me where that resource is? My considerable googling skills have
proved for nought.

Many thanks and 73,

Jim N3SZ
--
Jim Sturges, N3SZ
Amateur Radio operators do it with frequency.
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Re: [Elecraft] KX2 Antenna Analyzer Program

[Walter Underwood]

I’m pretty sure that Wizkers:Radio can do an SWR scan. I did that with an 
earlier version of the program.

http://wizkers.github.io/wizkers-doc/ins/elecraft-kx3/

An antenna analyzer does a lot more, but an SWR scan is handy.

Hmm, because you can read back the L-C combinations from the ATU, you could 
estimate the antenna Z from the conjugate match. That would be a lot more like 
an antenna analyzer.

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

> On Feb 19, 2018, at 11:40 AM, Jim Sr Sturges  wrote:
> 
> I saw and carefully bookmarked an article on a software utility that would
> allow the KX2 to act as an antenna analyzer. And lost the bookmark.
> 
> Unless that was a dream/fantasy, would someone kindly Elmer me along and
> remind me where that resource is? My considerable googling skills have
> proved for nought.
> 
> Many thanks and 73,
> 
> Jim N3SZ
> -- 
> Jim Sturges, N3SZ
> Amateur Radio operators do it with frequency.
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Re: [Elecraft] KX3 ACC2 question

[Don Wilhelm]

Ed,

Check out the written description for the ACC2 jack on page5 of the KX3 
manual.  2.5mm TRS plug, keyline output is on the ring, GPIO on the tip. 
 Common (some call it ground) on the shell.


73,
Don W3FPR

On 2/19/2018 11:13 AM, Eddy Avila wrote:

Greetings all, where can I find the wiring diagram for the KX3 ACC2? I've 
looked in my KX3 manual and didn't find much info.

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Re: [Elecraft] Strange CW at each button push

[Don Wilhelm]

Richard,

Check the SW TONE menu  If you have it set to CODE nn (where nn is WPM), 
then you will get that morse when you push a button - it is a nice 
feature for sight impaired amatuers.


That can also be turned on by Holding the AFP/AN button while turning 
the KX2 on.


73,
Don W3FPR

On 2/19/2018 1:53 PM, Richard Day wrote:

On my last two SOTA activations, my KX2 appears to be working valiantly.
At some point, however, I find that I cannot push any button without it
giving me a short CW message.


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Re: [Elecraft] KX3 ACC2 question

[Nr4c]

Check out Fred Cady book on KX3. 

Sent from my iPhone
...nr4c. bill


> On Feb 19, 2018, at 11:13 AM, Eddy Avila  wrote:
> 
> Greetings all, where can I find the wiring diagram for the KX3 ACC2? I've 
> looked in my KX3 manual and didn't find much info.
> 
> 
> tnx and 73
> 
> 
> Ed ~ k6sdw
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Re: [Elecraft] [KX3] BNC connector oddity on KX3

[Mel Farrer via Elecraft]

Hi all, 
I have found that over the years the female BNC has a fatigue problem.  That 
is, the fingers of the either 2 way or 4 way mating receptical relax and spread 
apart.  Takes a keen eye to see it, but it does happen. Most of the mating 
recepticals can be reshaped to the original tight fit, some of the imports are 
not that good.  When I find them now I replace them.
Mel, K6KBE

  From: "'Dale Parfitt' pari...@frontier.com [KX3]" 

 To: "'Chris Cox, N0UK'" ; 'rich hurd WC3T' 
 
Cc: k...@yahoogroups.com; elecraft@mailman.qth.net
 Sent: Monday, February 19, 2018 11:59 AM
 Subject: RE: [KX3] BNC connector oddity on KX3
   
    The center pin on 50 Ohm and 75 Ohm BNC’s has been identical for perhaps 20 
years. The 75 Ohm impedance is now attained through modification of the 
connector’s dielectric structure.  Regards,  Dale W4OP  From: 
k...@yahoogroups.com [mailto:k...@yahoogroups.com] On Behalf Of 'Chris Cox, 
N0UK' ygsoftroc...@chris.org [KX3]
Sent: Monday, February 19, 2018 12:29 PM
To: rich hurd WC3T
Cc: k...@yahoogroups.com; elecraft@mailman.qth.net
Subject: Re: [KX3] BNC connector oddity on KX3    Not saying this IS the 
problem but i fth emale BNC plug is a 75 ohm
connector, its centre pin will be a narrower diameter and may only be
making intermittent contact with the female socket on the KX3.

--
73 Chris Cox, N0UK, G4JEC
chr...@chris.org

On Mon, 19 Feb 2018, rich hurd WC3T r...@wc3t.us [KX3] wrote:

> Hi,
>
> I had an oddity with hooking an antenna to the BNC connector on my KX3 that
> happened enough times to be chalked up to something other than random
> chance. Looking for opinions on whether my solution aligned to your
> experience(s).
>
> I have a complete station - a KX3, a PX3, and a KXPA100. The KXPA100 is
> connected via a Cables On Demand connector with a PL259 on one end and a
> BNC connector on the other end. All other interface cables are Elecraft
> standard.
>
> This is NOT the first BNC connector that I've used. Prior to this last
> acquisition I had a couple of other BNC to PL259 jumpers that I was using,
> and the usual smattering of connectors and adapters in the junque box.
>
> No matter which one I used, If I removed the BNC connector from the rig
> (maybe to go portable, for example, or the last time it was because I
> installed Eneloop Pro batteries to the internal battery holders) I would
> put everything back together, and then would have severe - almost
> debilitating - signal attenuation when I got the rig fired up. If I
> twisted and spun the BNC connector on the jack, it would improve, and then
> get bad again more often than not. It could take up to 20 minutes to get
> everything "dialed in" so that the signal was appearing again. God help me
> if I accidentally moved something after that. And of course, while all
> this was happening the ATU was having fits, with 99:1 SWR readings and the
> amp was going offline; all kinds of weirdnesses. After things calmed
> down. the ATU behaved itself, the amp stopped being pouty, and all was then
> good.
>
> Thankfully, now that I have the Cables On Demand product, things seem to
> have quieted down - although I still don't disconnect without provocation.
> :) Though I'm desperately afraid of when I start to go mobile after the
> snow melts and the weather gets nice again. :) Hope I can get my IC706
> fixed and back in service as my base station before that occurs.
>
> My question was going to be in desperation more than anything else if this
> last cable didn't work, but thankfully, that's been the only cable vendor
> that I trust for any of my specialized cables and they haven't failed me
> even with this one.
>
> Are BNC connectors that finicky? Is it possible that I just had a bad
> batch of low quality jumpers? I'm just wondering if anyone else has had
> excessive fiddling with their BNC connections.
>
> ---
> 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*
>  __._,_.___ Posted by: "Dale Parfitt"  
|  Reply via web post  | • |   Reply to sender   | • |   Reply to group   | • | 
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Re: [Elecraft] Strange CW at each button push

[Mike Morrow]

You may want to upgrade the firmware to version 2.89.

Mike / KK5F

-Original Message-
>From: Richard Day 
>Sent: Feb 19, 2018 12:53 PM
>To: Elecraft@mailman.qth.net
>Subject: [Elecraft] Strange CW at each button push
>
>On my last two SOTA activations, my KX2 appears to be working valiantly.
>At some point, however, I find that I cannot push any button without it
>giving me a short CW message.
>
>I am not up on CW yet, and during a SOTA activation, there is no time to
>try to understand what is happening.  It doesn't act up when at home!?
>
>When on an activation, I merely turn the radio off and back on.  That
>clears the problem temporarily.
>
>I am on firmware rev. 02.86
>
>Rich Day
>KK4DZE
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Re: [Elecraft] K-pod VFO not smooth

[Bill Johnson]

The length/complexity of a macro can influence the response according to what I 
have read.  I have a couple of long ones, for diversity on my K3S and they are 
not necessarily instantaneous... I don't expect them to when relays are 
involved.

73,
Bill
K9YEQ

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Wes Stewart
Sent: Monday, February 19, 2018 6:35 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K-pod VFO not smooth

I had no end of trouble with my K-Pod. I finally had to record a video and send 
it to Wayne to convince him that I could press a button, have the K3S light up 
indicating reception but fail to execute.  He revised the K3 firmware and this 
is fixed, but response time is still slow.  I can't comment on the knob, as far 
as I'm concerned, it's just in the way of the buttons.

I can't remember the FW revision but the notes should say.

Wes  N7WS


On 2/18/2018 3:10 PM, Keith Onishi wrote:
> I have same experience on quickly turning K-Pod main nob with mostly SSB mode.
> I guess K3 MPU is too busy to respond to the turning.
>
> Activating a macro with F1 -F8 button while some PC application is monitoring 
> or controlling K3 through serial port does not sometimes work properly. For 
> example, long push on F4 several times triggers the macro assigned to short 
> tapping on F4. This also happens while the PC application is running.
>
> 73 de JH3SIF, Keith
>

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[Elecraft] KX2 Antenna Analyzer Program

[Jim Sr Sturges]

I saw and carefully bookmarked an article on a software utility that would
allow the KX2 to act as an antenna analyzer. And lost the bookmark.

Unless that was a dream/fantasy, would someone kindly Elmer me along and
remind me where that resource is? My considerable googling skills have
proved for nought.

Many thanks and 73,

Jim N3SZ
-- 
Jim Sturges, N3SZ
Amateur Radio operators do it with frequency.
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Re: [Elecraft] FT8

[Bayard Coolidge, N1HO via Elecraft]

 My WSJT-X Preferences -> Radio are set as follows on my iMac (MacOS 10.13.3 
"High Sierra"):
Rig: Elecraft K3/KX3
CAT Control:
Serial Port: /dev/cu.usbserial-AXX     (Actual serial number 
obfuscated)Baud Rate: 38400Data Bits: EightStop Bits: OneHandshake: NoneForce 
Control Lines: DTR:  RTS: 
PTT Method: RTS Port: (same /dev/cu.usbserial as CAT Control)
Transmit Audio Source: 
Mode: Data
Split: Rig
My Preferences -> Audio -> Soundcard are set to "USB Audio CODEC" for both 
input and outputand both are Mono
My rig is a K3 with the KXV3B and KIO3B. I leave the filters opened up to 
4.0kHz when in Data mode.I carefully tweak the outbound audio levels using the 
'Pwr' slider on the right hand side of the WSJT-Xreporting window, in concert 
with the MIC gain adjustment on the K3, and there is some interactionthat 
requires some care to optimize for the 4 steady bars and one flickering bar on 
the ALC meter.
No, I don't know what the serial port designations for Microsoft Windows look 
like; I suspect thatLinux uses a device naming scheming similar to MacOS, but I 
haven't personally seen it.
HTH, and 73,
Brandy, N1HO
Sent from Yahoo Mail on an iMac, so pardon any wierd formatting
On Monday, February 19, 2018, 1:46:44 PM EST, eric norris via Elecraft 
 wrote:  
 
 I can't get the WSJT-X CAT control to work with either my K3 or FT817, either.
Setting the PTT to VOX is the easiest way, set RADIO to NONE.  Setting the PTT 
to RTS will also work if you set PTT to RTS in the K3 menu, also with RADIO set 
to NONE.  I don't know why this works, but it does.
I tried everything I could think of to get CAT control to work without success. 
 If you get it working please let us know how.
As Don said, setting the audio correctly on transmit is critically important.
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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Re: [Elecraft] K-pod VFO not smooth

[Bill]

I have had excellent service from my K-Pod. As an adjunct for rig 
control, it is only bettered by the Genovation keypad - which I also use.


The K-Pod also affords an excellent and easy to use platform for 
experimental macros. No messing with buttons on the rig while 
experimenting - just on the K-Pod. I am starting to learn multiple 
macros/button in theory and practice. This will afford even more utility 
to the K-Pod.


Bill W2BLC K-Line

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Re: [Elecraft] [KX3] BNC connector oddity on KX3

[Gmail - George]

Ken & Rich,
As a broadcaster, we used hundreds even thousands of BNC video cables - they 
are no more finicky then another RF coax cable until you get to hard line or 
Helix (which are bullet proof in N, UHF or EIA).

Unless the cable has an improperly installed connector or the cable is 
damaged, then and the BNC connection becomes intermittent it is usually 
because the female has become spread out. The solution is to just tighten it 
with a fine pick. We used solder picks but a dental pick is even better or a 
small pocket knife.

I had that problem with my P3 using the factory cable. Elecraft replaced the 
cable. Then replacement cable became intermittent. I tightened the female 
pins. Haven't had an issue since. My P3 was ordered as soon as the P3-kit 
was announced. I should have remembered the issue before bothering Elecraft.

Long ago - when we first started using BNC connectors instead of PL259 for 
video we discovered the hard way that you should not intermix 50 ohm & 75 
ohm BNC male connectors in the plant. Prior to that time we only used BNC 
for RF; so our connectors were 50 ohm. We had ended up with both types in 
the BNC bin.
We weren't the only station to trouble shoot this issue. It was a problem we 
discovered along with many other engineering departments.

The good news is that the male center pin on BNC cables have been 
standardized to eliminate the issue; but cable assemblies with the smaller 
center pin are still out there.
We had a home made gauge that we used when we changed brands or part numbers 
ordering BNC male connectors just to be sure.

73
George  AI4VZ



-Original Message- 
From: rich hurd WC3T
Sent: Monday, February 19, 2018 12:51 PM
To: Ken G Kopp
Cc: Elecraft
Subject: Re: [Elecraft] [KX3] BNC connector oddity on KX3

Well, if I did, then it's been placed into quarantine now.   :)
> Rich ...
>
> Any chance you have one or more 72 ohm BNC connectors and/or adapters?
>
> They -are- different than 50 ohm ones.
>
> 73!
>
> Ken Kopp - K0PP

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[Elecraft] Strange CW at each button push

[Richard Day]

On my last two SOTA activations, my KX2 appears to be working valiantly.
At some point, however, I find that I cannot push any button without it
giving me a short CW message.

I am not up on CW yet, and during a SOTA activation, there is no time to
try to understand what is happening.  It doesn't act up when at home!?

When on an activation, I merely turn the radio off and back on.  That
clears the problem temporarily.

I am on firmware rev. 02.86


Rich Day
KK4DZE
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[Elecraft] FT8

[eric norris via Elecraft]

I can't get the WSJT-X CAT control to work with either my K3 or FT817, either.
Setting the PTT to VOX is the easiest way, set RADIO to NONE.  Setting the PTT 
to RTS will also work if you set PTT to RTS in the K3 menu, also with RADIO set 
to NONE.  I don't know why this works, but it does.
I tried everything I could think of to get CAT control to work without success. 
 If you get it working please let us know how.
As Don said, setting the audio correctly on transmit is critically important.
73 Eric WD6DBM

Sent from Yahoo Mail on Android
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Re: [Elecraft] BNC connector oddity on KX3

[donovanf]

Hi Rich, 


Your problem is almost certainly caused by using obsolete 75 ohm 
BNC male connectors on your coaxial cables. 


During the 1960s, the easiest way to manufacture 75 ohm BNC 
connectors was to significantly reduce the center pin diameter from 
the 0.053 +/- 0.001 inch diameter specified by M IL - C - 39012. 
The problem is that the non-standard smaller pin does not fit properly 
into 50 ohm sockets or modern 75 ohm sockets using the standard 
0.053 inch center pin opening. 


Modern 75 ohm BNC connectors now use the standard 0.053 inch 
center pin diameter. Unfortunately some cheap import BNC connectors 
and inter-series adapters still use non-standard small diameter center 
pins. 


If you have any obsolete 75 ohm BNC connectors (male or female) 
its best to throw them in the trash before you accidentally introduce 
them into your station, causing unreliability exactly as you describe 
in your email. 


Some readers will insist that BNC connectors were never manufactured 
with small diameter pins, but I have a few that I keep on hand 
-- that I clearly marked as "do not use" -- just to prove the point. 


73 
Frank 
W3LPL 





- Original Message -

From: "rich hurd WC3T"  
To: k...@yahoogroups.com, elecraft@mailman.qth.net 
Sent: Monday, February 19, 2018 4:54:37 PM 
Subject: [Elecraft] BNC connector oddity on KX3 

Hi, 

I had an oddity with hooking an antenna to the BNC connector on my KX3 that 
happened enough times to be chalked up to something other than random 
chance. Looking for opinions on whether my solution aligned to your 
experience(s). 

I have a complete station - a KX3, a PX3, and a KXPA100. The KXPA100 is 
connected via a Cables On Demand connector with a PL259 on one end and a 
BNC connector on the other end. All other interface cables are Elecraft 
standard. 

This is NOT the first BNC connector that I've used. Prior to this last 
acquisition I had a couple of other BNC to PL259 jumpers that I was using, 
and the usual smattering of connectors and adapters in the junque box. 

No matter which one I used, If I removed the BNC connector from the rig 
(maybe to go portable, for example, or the last time it was because I 
installed Eneloop Pro batteries to the internal battery holders) I would 
put everything back together, and then would have severe - almost 
debilitating - signal attenuation when I got the rig fired up. If I 
twisted and spun the BNC connector on the jack, it would improve, and then 
get bad again more often than not. It could take up to 20 minutes to get 
everything "dialed in" so that the signal was appearing again. God help me 
if I accidentally moved something after that. And of course, while all 
this was happening the ATU was having fits, with 99:1 SWR readings and the 
amp was going offline; all kinds of weirdnesses. After things calmed 
down. the ATU behaved itself, the amp stopped being pouty, and all was then 
good. 

Thankfully, now that I have the Cables On Demand product, things seem to 
have quieted down - although I still don't disconnect without provocation. 
:) Though I'm desperately afraid of when I start to go mobile after the 
snow melts and the weather gets nice again. :) Hope I can get my IC706 
fixed and back in service as my base station before that occurs. 

My question was going to be in desperation more than anything else if this 
last cable didn't work, but thankfully, that's been the only cable vendor 
that I trust for any of my specialized cables and they haven't failed me 
even with this one. 

Are BNC connectors that finicky? Is it possible that I just had a bad 
batch of low quality jumpers? I'm just wondering if anyone else has had 
excessive fiddling with their BNC connections. 

--- 
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] [KX3] BNC connector oddity on KX3

[rich hurd WC3T]

Well, if I did, then it's been placed into quarantine now.   :)   The
current jumper is 50 ohm, and it's working fine.I was just assuaging my
curiosity and wondering aloud if BNC connectors have that much variation.
The private and public comments I've gotten seem to say that this is the
case.

Thanks for writing.

On Mon, Feb 19, 2018 at 12:28 PM, Ken G Kopp  wrote:

> Rich ...
>
> Any chance you have one or more 72 ohm BNC connectors and/or adapters?
>
> They -are- different than 50 ohm ones.
>
> 73!
>
> Ken Kopp - K0PP
>
> On Feb 19, 2018 09:55, "rich hurd WC3T r...@wc3t.us [KX3]" <
> kx3-nore...@yahoogroups.com> wrote:
>
>>
>>
>> Hi,
>>
>> I had an oddity with hooking an antenna to the BNC connector on my KX3
>> that happened enough times to be chalked up to something other than random
>> chance.Looking for opinions on whether my solution aligned to your
>> experience(s).
>>
>> I have a complete station - a KX3, a PX3, and a KXPA100.   The KXPA100 is
>> connected via a Cables On Demand connector with a PL259 on one end and a
>> BNC connector on the other end.  All other interface cables are Elecraft
>> standard.
>>
>> This is NOT the first BNC connector that I've used.  Prior to this last
>> acquisition I had a couple of other BNC to PL259 jumpers that I was using,
>> and the usual smattering of connectors and adapters in the junque box..
>>
>> No matter which one I used, If I removed the BNC connector from the rig
>> (maybe to go portable, for example, or the last time it was because I
>> installed Eneloop Pro batteries to the internal battery holders) I would
>> put everything back together, and then would have severe - almost
>> debilitating - signal attenuation when I got the rig fired up.   If I
>> twisted and spun the BNC connector on the jack, it would improve, and then
>> get bad again more often than not.   It could take up to 20 minutes to get
>> everything "dialed in" so that the signal was appearing again. God help me
>> if I accidentally moved something after that.  And of course, while all
>> this was happening the ATU was having fits, with 99:1 SWR readings and the
>> amp was going offline; all kinds of weirdnesses.   After things calmed
>> down. the ATU behaved itself, the amp stopped being pouty, and all was then
>> good.
>>
>> Thankfully, now that I have the Cables On Demand product, things seem to
>> have quieted down - although I still don't disconnect without provocation.
>> :)   Though I'm desperately afraid of when I start to go mobile after
>> the snow melts and the weather gets nice again.   :)Hope I can get my
>> IC706 fixed and back in service as my base station before that occurs.
>>
>> My question was going to be in desperation more than anything else if
>> this last cable didn't work, but thankfully, that's been the only cable
>> vendor that I trust for any of my specialized cables and they haven't
>> failed me even with this one.
>>
>> Are BNC connectors that finicky?   Is it possible that I just had a bad
>> batch of low quality jumpers?   I'm just wondering if anyone else has had
>> excessive fiddling with their BNC connections.
>>
>> ---
>> 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*
>>
>> __._,_.___
>> --
>> Posted by: rich hurd WC3T 
>> --
>> Reply via web post
>> 
>> • Reply to sender
>>  • Reply
>> to group
>> 
>> • Start a New Topic
>> 
>> • Messages in this topic
>> 
>> (1)
>> --
>> Have you tried the highest rated email app? 
>> With 4.5 stars in iTunes, the Yahoo Mail app is the highest rated email
>> app on the market. What are you waiting for? Now you can access all your
>> inboxes (Gmail, Outlook, AOL and more) in one place. Never delete an email
>> again with 1000GB of free cloud storage.
>> --
>> Visit Your Group
>> 

Re: [Elecraft] [KX3] BNC connector oddity on KX3

[Ken G Kopp]

Rich ...

Any chance you have one or more 72 ohm BNC connectors and/or adapters?

They -are- different than 50 ohm ones.

73!

Ken Kopp - K0PP

On Feb 19, 2018 09:55, "rich hurd WC3T r...@wc3t.us [KX3]" <
kx3-nore...@yahoogroups.com> wrote:

>
>
> Hi,
>
> I had an oddity with hooking an antenna to the BNC connector on my KX3
> that happened enough times to be chalked up to something other than random
> chance.Looking for opinions on whether my solution aligned to your
> experience(s).
>
> I have a complete station - a KX3, a PX3, and a KXPA100.   The KXPA100 is
> connected via a Cables On Demand connector with a PL259 on one end and a
> BNC connector on the other end.  All other interface cables are Elecraft
> standard.
>
> This is NOT the first BNC connector that I've used.  Prior to this last
> acquisition I had a couple of other BNC to PL259 jumpers that I was using,
> and the usual smattering of connectors and adapters in the junque box..
>
> No matter which one I used, If I removed the BNC connector from the rig
> (maybe to go portable, for example, or the last time it was because I
> installed Eneloop Pro batteries to the internal battery holders) I would
> put everything back together, and then would have severe - almost
> debilitating - signal attenuation when I got the rig fired up.   If I
> twisted and spun the BNC connector on the jack, it would improve, and then
> get bad again more often than not.   It could take up to 20 minutes to get
> everything "dialed in" so that the signal was appearing again. God help me
> if I accidentally moved something after that.  And of course, while all
> this was happening the ATU was having fits, with 99:1 SWR readings and the
> amp was going offline; all kinds of weirdnesses.   After things calmed
> down. the ATU behaved itself, the amp stopped being pouty, and all was then
> good.
>
> Thankfully, now that I have the Cables On Demand product, things seem to
> have quieted down - although I still don't disconnect without provocation.
> :)   Though I'm desperately afraid of when I start to go mobile after the
> snow melts and the weather gets nice again.   :)Hope I can get my IC706
> fixed and back in service as my base station before that occurs.
>
> My question was going to be in desperation more than anything else if this
> last cable didn't work, but thankfully, that's been the only cable vendor
> that I trust for any of my specialized cables and they haven't failed me
> even with this one.
>
> Are BNC connectors that finicky?   Is it possible that I just had a bad
> batch of low quality jumpers?   I'm just wondering if anyone else has had
> excessive fiddling with their BNC connections.
>
> ---
> 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*
>
> __._,_.___
> --
> Posted by: rich hurd WC3T 
> --
> Reply via web post
> 
> • Reply to sender
>  • Reply
> to group
> 
> • Start a New Topic
> 
> • Messages in this topic
> 
> (1)
> --
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Re: [Elecraft] BNC connector oddity on KX3

[RICHARD Martin]

Sometimes the center pin of the male BNC will get pushed back into the
Teflon insulator.  Run your thumb nail over the end of the connector.  Your
nail should touch the end of the pin.

73's
Dick KN6AA

On Feb 19, 2018 08:55, "rich hurd WC3T"  wrote:

> Hi,
>
> I had an oddity with hooking an antenna to the BNC connector on my KX3 that
> happened enough times to be chalked up to something other than random
> chance.Looking for opinions on whether my solution aligned to your
> experience(s).
>
> I have a complete station - a KX3, a PX3, and a KXPA100.   The KXPA100 is
> connected via a Cables On Demand connector with a PL259 on one end and a
> BNC connector on the other end.  All other interface cables are Elecraft
> standard.
>
> This is NOT the first BNC connector that I've used.  Prior to this last
> acquisition I had a couple of other BNC to PL259 jumpers that I was using,
> and the usual smattering of connectors and adapters in the junque box.
>
> No matter which one I used, If I removed the BNC connector from the rig
> (maybe to go portable, for example, or the last time it was because I
> installed Eneloop Pro batteries to the internal battery holders) I would
> put everything back together, and then would have severe - almost
> debilitating - signal attenuation when I got the rig fired up.   If I
> twisted and spun the BNC connector on the jack, it would improve, and then
> get bad again more often than not.   It could take up to 20 minutes to get
> everything "dialed in" so that the signal was appearing again. God help me
> if I accidentally moved something after that.  And of course, while all
> this was happening the ATU was having fits, with 99:1 SWR readings and the
> amp was going offline; all kinds of weirdnesses.   After things calmed
> down. the ATU behaved itself, the amp stopped being pouty, and all was then
> good.
>
> Thankfully, now that I have the Cables On Demand product, things seem to
> have quieted down - although I still don't disconnect without provocation.
> :)   Though I'm desperately afraid of when I start to go mobile after the
> snow melts and the weather gets nice again.   :)Hope I can get my IC706
> fixed and back in service as my base station before that occurs.
>
> My question was going to be in desperation more than anything else if this
> last cable didn't work, but thankfully, that's been the only cable vendor
> that I trust for any of my specialized cables and they haven't failed me
> even with this one.
>
> Are BNC connectors that finicky?   Is it possible that I just had a bad
> batch of low quality jumpers?   I'm just wondering if anyone else has had
> excessive fiddling with their BNC connections.
>
> ---
> 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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[Elecraft] BNC connector oddity on KX3

[rich hurd WC3T]

Hi,

I had an oddity with hooking an antenna to the BNC connector on my KX3 that
happened enough times to be chalked up to something other than random
chance.Looking for opinions on whether my solution aligned to your
experience(s).

I have a complete station - a KX3, a PX3, and a KXPA100.   The KXPA100 is
connected via a Cables On Demand connector with a PL259 on one end and a
BNC connector on the other end.  All other interface cables are Elecraft
standard.

This is NOT the first BNC connector that I've used.  Prior to this last
acquisition I had a couple of other BNC to PL259 jumpers that I was using,
and the usual smattering of connectors and adapters in the junque box.

No matter which one I used, If I removed the BNC connector from the rig
(maybe to go portable, for example, or the last time it was because I
installed Eneloop Pro batteries to the internal battery holders) I would
put everything back together, and then would have severe - almost
debilitating - signal attenuation when I got the rig fired up.   If I
twisted and spun the BNC connector on the jack, it would improve, and then
get bad again more often than not.   It could take up to 20 minutes to get
everything "dialed in" so that the signal was appearing again. God help me
if I accidentally moved something after that.  And of course, while all
this was happening the ATU was having fits, with 99:1 SWR readings and the
amp was going offline; all kinds of weirdnesses.   After things calmed
down. the ATU behaved itself, the amp stopped being pouty, and all was then
good.

Thankfully, now that I have the Cables On Demand product, things seem to
have quieted down - although I still don't disconnect without provocation.
:)   Though I'm desperately afraid of when I start to go mobile after the
snow melts and the weather gets nice again.   :)Hope I can get my IC706
fixed and back in service as my base station before that occurs.

My question was going to be in desperation more than anything else if this
last cable didn't work, but thankfully, that's been the only cable vendor
that I trust for any of my specialized cables and they haven't failed me
even with this one.

Are BNC connectors that finicky?   Is it possible that I just had a bad
batch of low quality jumpers?   I'm just wondering if anyone else has had
excessive fiddling with their BNC connections.

---
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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[Elecraft] KX3 ACC2 question

[Eddy Avila]

Greetings all, where can I find the wiring diagram for the KX3 ACC2? I've 
looked in my KX3 manual and didn't find much info.


tnx and 73


Ed ~ k6sdw
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[Elecraft] K2 is dead?

[David Perrin]

Hi-

Two questions?

After 18 years my K2 doesn’t turn on. I did it. I must have incorrectly wired 
the Serial cable. When it got plugged in - that did it.

There is power thru the Power button. With the radio disassembled to the main 
pc board, (sans everything that can plug into the main board) and power applied 
thru the 1/8” coaxial power connector power doesn’t seem to get beyond that.

I am not in a place where I can get more parts out on the bench, nor the 
equipment except for a cheap digital Voltmeter.

Question 1: Is there someone in the central Florida area who knows this radio 
and can shed some light on my problem?

Question 2: Is there someone in central Florida who repairs the K2?

Thanks for reading.

73 de Dave

k1op...@gmail.com

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Re: [Elecraft] test message 2018-02-19

[Jim Brink]

test response

On Mon, Feb 19, 2018 at 6:37 AM, Ian Kahn  wrote:

> Congratulations! It passed! 
>
> 73 de,
>
> Ian, KM4IK
>
> On Feb 19, 2018 7:30 AM, "John Gibson"  wrote:
>
> > This is a test message.
> >
> > 73,
> > John, no8v
> > __
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> > Message delivered to km4ik@gmail.com
> >
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[Elecraft] test message #2 2018-02-19

[John Gibson]

This is a 2nd test message from a different computer.

73,
John, no8v
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Re: [Elecraft] test message 2018-02-19

[Ian Kahn]

Congratulations! It passed! 

73 de,

Ian, KM4IK

On Feb 19, 2018 7:30 AM, "John Gibson"  wrote:

> This is a test message.
>
> 73,
> John, no8v
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Re: [Elecraft] K-pod VFO not smooth

[Wes Stewart]

I had no end of trouble with my K-Pod. I finally had to record a video and send 
it to Wayne to convince him that I could press a button, have the K3S light up 
indicating reception but fail to execute.  He revised the K3 firmware and this 
is fixed, but response time is still slow.  I can't comment on the knob, as far 
as I'm concerned, it's just in the way of the buttons.


I can't remember the FW revision but the notes should say.

Wes  N7WS


On 2/18/2018 3:10 PM, Keith Onishi wrote:

I have same experience on quickly turning K-Pod main nob with mostly SSB mode.
I guess K3 MPU is too busy to respond to the turning.

Activating a macro with F1 -F8 button while some PC application is monitoring 
or controlling K3 through serial port does not sometimes work properly. For 
example, long push on F4 several times triggers the macro assigned to short 
tapping on F4. This also happens while the PC application is running.

73 de JH3SIF, Keith



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[Elecraft] test message 2018-02-19

[John Gibson]

This is a test message.

73,
John, no8v
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