Re: [Elecraft] Whither VOX delay via software?

[Wayne Burdick]

It’s on the Even Shorter list now. Thanks for the reminder. 

Wayne
N6KR


elecraft.com

> On Nov 24, 2018, at 6:35 PM, Rick Miller - N1RM  wrote:
> 
> We are operating a K3s remotely and varying conditions/operator styles make
> it necessary for us to adjust VOX delay for CW.  Searching the archives I
> noticed that a software command to adjust VOX delay was on the "short list"
> in 2011.  I can do a SWH57 to get to the adjustment, but I can't find any
> command to actually change the value, which makes me wonder why bother with
> SWH57 at all.  There is an SD command for QSK delay, but it is GET only.  Is
> this still on the "short list" or have I missed it?
> 
> Rick
> N1RM
> 
> 
> 
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] K3S will not load or tune on 160 M/SOLVED

[KENT TRIMBLE]

Rich . . .

Don't flagellate yourself too much.  One of our 6-meter ops blew his 
K3's finals on Field day a few years ago by inadvertently tapping the 
ANT button instead of the ATU TUNE button which is directly above it.  
Background noise on 50 MHz. being noticeably lower than on HF, he was 
unaware he was transmitting on Antenna 2 (which had no antenna) and 
after calling CQ for 15 minutes at 100 watts his finals went to heaven.


He now hooks up a dummy load on ANT 2 when using only one antenna.

This is an important "gotcha" of which all K3 owners should be 
cognizant, especially when non-K3 owners are operating the rig.


73,

Kent  K9ZTV



On 12/3/2018 7:54 PM, someone wrote:

I ... discovered ... the rig was set to “Ant 2.”


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Re: [Elecraft] Fred Cady Books

[Cady, Fred]

Hi Dave,

The K3S book printed version is only available through Elecraft 
(https://elecraft.com/collections/k-line-books).  If you order that alone the 
shipping is a bit steep.  I forget how much.

The PDF version is available at  www.lulu.com (search for 
KE7X).  There is a 15% discount on now but only for print books.  The code for 
that is FWD15.


73,

Fred KE7X


Check out the W4EEY video about "The Successful Ham Radio Operator's Handbook" 
at

https://www.youtube.com/watch?v=GjShBWUSO4o





From: elecraft-boun...@mailman.qth.net  on 
behalf of Dave Sublette 
Sent: Monday, December 3, 2018 12:17 PM
To: Elecraft Discussion List
Subject: [Elecraft] Fred Cady Books

Seems I recall a sale of these books announced, but I have lost the email.
I have a need for a K3S book.  Can anyone advise me on what is needed to
get the discount?  (coupon code, etc..)

thanks,

Dave, K4TO
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[Elecraft] Wanted KPA500

[John Pierce]

Anyone have a KPA500 you are interested in selling.
JohnAD2F
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Re: [Elecraft] K3S will not load or tune on 160 M/SOLVED

[HB]

Easy is good!!!


From: K1dj
Sent: Monday, December 3, 2018 2:06 PM
To: Hank
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S will not load or tune on 160 M/SOLVED

Thanks all for the speedy and helpful replies!  Wish I had run this by you 
BEFORE the contest rather than after.  I went back to the K3S and switched 
through various bands down to 160, and discovered for reasons unknown, on this 
band I had never used, the rig was set to “Ant 2.”  Since I am using a KPA 500 
and KAT 500, everything goes through Ant 1, and I had had no occasion to use 
the Ant switch on the K3 itself for quite a while.  Switched to Ant 1 on 160M, 
and the inverted L tunes quickly and easily.

As they say here in Massachusetts, you guys are “wicked awesome!’

Rich

Anyway, switch to Ant 1 for 160M has apparently solved the problem!

Sent from my iPad

> On Dec 3, 2018, at 12:58 PM, Hank  wrote:
> 
> 
> I have a "long" 80 meter dipole that I use for 160.  It is too long for 80 
> but not long enough for 160.  At 70' above ground level, it's SWR is 3:1 on 
> 160.  My K3s (internal tuner) matches it to 1.3:1 according to the radio's 
> display.  I did not have to do anything special with the radio to make that 
> work.
> 
> 
> I do have a pretty good RF ground though.  Before I could get any decent 
> performance on 80 (including decent SWR), I added to my RF grounding.  Where 
> the HF coax enters the shack, the shield is pulled to ground (1' of #4 copper 
> to an 8' copper clad ground rod).  That same grounding plate is also 
> connected to another 8' ground rod about 15' away which is right below the 
> service entrance to the house.  A piece of #4 connects from that ground rod 
> to the electric meter base.  All of the #4 is buried except at connections 
> where I've used Pentrox for CU/CU connections.  The ground rod at my HF coax 
> entrance also is tied to 2" wide copper strap that runs into the shack to a 
> copper bar (old -48vdc grounding bar from a phone switch) and all of my 
> equipment is tied to that bar.  Under the shack where the copper strap comes 
> in, the CATV coax and CAT 3 telephone wiring are grounded to that
> strap.  The CATV coax has a little 4' ground rod right at the wall entrance 
> that is tied to the electric meter base also.
> 
> 
> This also cured some issues on 80 meters running an RF amp where I could make 
> the phone ring and change channels on the TV when I keyed up!  All of that is 
> fixed.
> 
> 
> My $0.02 (and that's all it's worth :)
> 
> 
> Hank
> K4HYJ
> 
> 
> 
> 
> -Original Message- 
>> From: "Richard Hoffman, K1DJ via Elecraft"  
>> To: elecraft@mailman.qth.net 
>> Date: 12/03/18 12:24 
>> Subject: [Elecraft] K3S will not load or tune on 160 M 
>> 
>> I put up my first 160 meter antenna last week in anticipation of 
>> participating in last weekend's contest.  I managed to get the antenna -- a 
>> slow slung inverted L with a single raised radial as a compromise on my tiny 
>> 100 by 100 foot lot -- up in time.  I then managed to get the antenna down 
>> to an SWR of 2 to 1 measured by a Rig Expert AA55 zoom analyzer, at the 
>> balun to which the raised wire and radial are directly attached, and ythen 
>> got the same 2.0 SWR reading at the shack end of a borrowed piece of about 
>> 50 feet of RG-213.  [I recognize that 2 to 1 is not perfect by any means, 
>> but it was certainly within the range of my Elecraft equipment, I thought.]  
>> 
>> But then my K3S simply refused to tune or load into the antenna, either 
>> directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
>> tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 
>> to 1, and tuned at best to around 16 to 1, resulting in no apparent RF 
>> output.
>> After trying to fix this in various ways, I gave up on the 160M contest and 
>> turned to other pursuits, while seeking advice from several Elecraft-loving, 
>> 160M-using, friends.
>> 
>> It finally dawned on me this morning to connect the rig to my dummy load.  
>> The result of attempting to tune and load the dummy load is exactly the same 
>> as it was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down 
>> only to 16.9 to 1.
>> The rig, amp, internal and external tuners, and dummy load work fine on 80M 
>> through 6M.  This is my first time trying them all on 160M.
>> QUESTION:  Are there special configuration or other steps I need to take to 
>> operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
>> that you can help solve?
>> 
>> Please advise, and thanks!
>> 73 -
>> Rich, K1DJScituate, MA
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Re: [Elecraft] [K3] - Hum on SSB Transmissions

[Dale Boresz]

Joe,

You might check to see if the amplitude of the hum changes as you alter the
position of the microphone. If so, the magnetic field of a transformer from
another piece of equipment in the shack (such as a linear power supply) may
be coupling into your microphone.

73,
Dale - WA8SRA


On Sun, Dec 2, 2018 at 4:19 PM Joe Rogers  wrote:

> I normally operate CW but the other day and have not been SSB for a few
> weeks to a month.  Yesterday, I was getting ready to operate SSB and I
> noted a hum through the monitor when I key the transmitter. By way of
> background, K3 is 2012 vintage and I assembled the kit.  No problems with
> until this one.  I have found several similar threads mentioning a hum on
> SSB transmit but of the mentioned solutions worked to solve my problem.
>
> I have Heil Pro set IC and Heil Gold Elite.  The problem seems much more
> pronounced with Proset IC.
>
> Whether it is connected to front panel (FP.H or RP.H Bias on) makes no
> difference.  If I used PTT or VOX it is there.  Set Mic Gain at anything
> above zero it starts.  With higher mic gain and higher compression it is
> worse.   I have made some PSK contacts using the LIN IN input and seems to
> work OK.
>
> It seemed like low frequency noise so I set the TX filters for 50 and 100
> Hz from 0 to -16.  No change.
>
> Changed TX Gate from 0 to 10.  No change.
>
> Disconnected everything from the K3 - RS232 cable, the antennas, keys, and
> paddle.  All except power supply and the Mic.  No change.
>
> Mic+Lin ON or OFF no change.
>
> Curiously, if I put my hand on the rig, it seems to reduce the volume of
> the hum.
>
> Recorded some audio with Proset on my PC and it seems clean - no noise
> detectable.
>
> I wonder if any of you guys - all of you probably more technically savvy
> than I - can come up with any ideas to solve this problem.
>
> Thanks in advance for any help you can give me.
>
> 73,
> Joe
> AJ1Y
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Re: [Elecraft] [K3] - Hum on SSB Transmissions

[Don Wilhelm]

Joe,

Do you hear that hum when you operate into a dummy load?  If not, then 
check the common mode choke on the antenna, you are likely getting 
RF-In-the-Shack from the antenna - the fact that it diminishes when you 
put your hand on the K3 amplifies that this may be the problem.  Forget 
about grounding the radio for this problem, solve it at the antenna 
feedpoint with a good common mode choke on the feedline.


Other possibilities are power supply ripple (run it on battery to check) 
or an open microphone ground lead (try other microphones).

Make sure the rear panel jacks are fully plugged (give them an extra push).

73,
Don W3FPR

On 12/2/2018 4:17 PM, Joe Rogers wrote:

I normally operate CW but the other day and have not been SSB for a few weeks 
to a month.  Yesterday, I was getting ready to operate SSB and I noted a hum 
through the monitor when I key the transmitter. By way of background, K3 is 
2012 vintage and I assembled the kit.  No problems with until this one.  I have 
found several similar threads mentioning a hum on SSB transmit but of the 
mentioned solutions worked to solve my problem.

I have Heil Pro set IC and Heil Gold Elite.  The problem seems much more 
pronounced with Proset IC.

Whether it is connected to front panel (FP.H or RP.H Bias on) makes no 
difference.  If I used PTT or VOX it is there.  Set Mic Gain at anything above 
zero it starts.  With higher mic gain and higher compression it is worse.   I 
have made some PSK contacts using the LIN IN input and seems to work OK.


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[Elecraft] OT - Straight keys

[ANDY DURBIN]

"The later editions can be good things to donate to new hams. Ditto for a 
straight key."

I paid $120 for a collection of English keys so I could have a "KEY W.T. 8 AMP" 
of the type I had used as  teenage g3wyc.  Getting an 8A was a prerequisite for 
getting back to CW mode.  I knew I could send reasonable code at 15 wpm with 
that key but was hopeless with a paddle.  That $120 was well spent even if 95% 
of my sending is now push button or keyboard.

Andy, k3wyc





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Re: [Elecraft] FS: Box of 10 ARRL Handbooks 1953-1986

[Jim Brown]

The later editions can be good things to donate to new hams. Ditto for a 
straight key.


73, Jim K9YC

On 12/3/2018 1:21 PM, Alan D. Wilcox wrote:

Hello,

See https://www.ebay.com/itm/202524073015
for the photo and description of the handbooks.

Cheers,
Alan

Alan D. Wilcox, W3DVX  (K2-5373, K3-40)
570-916-9590 (cell, text)
https://WilcoxEngineering.com
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

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[Elecraft] FS: Box of 10 ARRL Handbooks 1953-1986

[Alan D. Wilcox]

Hello,

See https://www.ebay.com/itm/202524073015
for the photo and description of the handbooks.

Cheers,
Alan

Alan D. Wilcox, W3DVX  (K2-5373, K3-40)
570-916-9590 (cell, text)
https://WilcoxEngineering.com
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

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[Elecraft] KPA1500 Remote Software Request

[Ed G]

The KPA1500 remote utility is a very nice and useful control program to have.  
I’m using the latest – ver 1.0.22. I wonder if Roger might consider (in his 
next update to this program) enhancing the bargraph displays for power, 
current, and SWR, so that there is a way to see relative readings compared with 
limits you don’t want to exceed?  Perhaps the bar color could change above a 
certain reading? On the physical amp, you have the yellow and red LEDs for 
power and SWR which you can see are not lit, and you can see the green LEDs 
which do light and so you know how close you are to the upper end of the scale. 
 You don’t currently have this ability with the remote program.

Also, a peak-hold feature would be nice, so peak power, SWR, and current would 
hold their peak readings for a few seconds.

Thanks for considering!

--Ed—


Sent from Mail for Windows 10




---
This email has been checked for viruses by Avast antivirus software.
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Re: [Elecraft] K3S will not load or tune on 160 M

[Bob McGraw K4TAX]

No special configurations.   Make sure you have the correct antenna 
ports selected via the K3S and the KAT500.   And since the dummy load 
shows a high SWR, I would first suspect the coax jumper out of the radio 
to what ever is next in line.


73

Bob, K4TAX


On 12/3/2018 10:49 AM, Richard Hoffman, K1DJ via Elecraft wrote:

I put up my first 160 meter antenna last week in anticipation of participating 
in last weekend's contest.  I managed to get the antenna -- a slow slung 
inverted L with a single raised radial as a compromise on my tiny 100 by 100 
foot lot -- up in time.  I then managed to get the antenna down to an SWR of 2 
to 1 measured by a Rig Expert AA55 zoom analyzer, at the balun to which the 
raised wire and radial are directly attached, and ythen got the same 2.0 SWR 
reading at the shack end of a borrowed piece of about 50 feet of RG-213.  [I 
recognize that 2 to 1 is not perfect by any means, but it was certainly within 
the range of my Elecraft equipment, I thought.]

But then my K3S simply refused to tune or load into the antenna, either 
directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 to 
1, and tuned at best to around 16 to 1, resulting in no apparent RF output.
After trying to fix this in various ways, I gave up on the 160M contest and 
turned to other pursuits, while seeking advice from several Elecraft-loving, 
160M-using, friends.

It finally dawned on me this morning to connect the rig to my dummy load.  The 
result of attempting to tune and load the dummy load is exactly the same as it 
was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down only to 
16.9 to 1.
The rig, amp, internal and external tuners, and dummy load work fine on 80M 
through 6M.  This is my first time trying them all on 160M.
QUESTION:  Are there special configuration or other steps I need to take to 
operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
that you can help solve?

Please advise, and thanks!
73 -
Rich, K1DJScituate, MA
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Re: [Elecraft] K3S will not load or tune on 160 M/SOLVED

[K1dj via Elecraft]

Thanks all for the speedy and helpful replies!  Wish I had run this by you 
BEFORE the contest rather than after.  I went back to the K3S and switched 
through various bands down to 160, and discovered for reasons unknown, on this 
band I had never used, the rig was set to “Ant 2.”  Since I am using a KPA 500 
and KAT 500, everything goes through Ant 1, and I had had no occasion to use 
the Ant switch on the K3 itself for quite a while.  Switched to Ant 1 on 160M, 
and the inverted L tunes quickly and easily.

As they say here in Massachusetts, you guys are “wicked awesome!’

Rich

Anyway, switch to Ant 1 for 160M has apparently solved the problem!

Sent from my iPad

> On Dec 3, 2018, at 12:58 PM, Hank  wrote:
> 
> 
> I have a "long" 80 meter dipole that I use for 160.  It is too long for 80 
> but not long enough for 160.  At 70' above ground level, it's SWR is 3:1 on 
> 160.  My K3s (internal tuner) matches it to 1.3:1 according to the radio's 
> display.  I did not have to do anything special with the radio to make that 
> work.
> 
> 
> I do have a pretty good RF ground though.  Before I could get any decent 
> performance on 80 (including decent SWR), I added to my RF grounding.  Where 
> the HF coax enters the shack, the shield is pulled to ground (1' of #4 copper 
> to an 8' copper clad ground rod).  That same grounding plate is also 
> connected to another 8' ground rod about 15' away which is right below the 
> service entrance to the house.  A piece of #4 connects from that ground rod 
> to the electric meter base.  All of the #4 is buried except at connections 
> where I've used Pentrox for CU/CU connections.  The ground rod at my HF coax 
> entrance also is tied to 2" wide copper strap that runs into the shack to a 
> copper bar (old -48vdc grounding bar from a phone switch) and all of my 
> equipment is tied to that bar.  Under the shack where the copper strap comes 
> in, the CATV coax and CAT 3 telephone wiring are grounded to that
> strap.  The CATV coax has a little 4' ground rod right at the wall entrance 
> that is tied to the electric meter base also.
> 
> 
> This also cured some issues on 80 meters running an RF amp where I could make 
> the phone ring and change channels on the TV when I keyed up!  All of that is 
> fixed.
> 
> 
> My $0.02 (and that's all it's worth :)
> 
> 
> Hank
> K4HYJ
> 
> 
> 
> 
> -Original Message- 
>> From: "Richard Hoffman, K1DJ via Elecraft"  
>> To: elecraft@mailman.qth.net 
>> Date: 12/03/18 12:24 
>> Subject: [Elecraft] K3S will not load or tune on 160 M 
>> 
>> I put up my first 160 meter antenna last week in anticipation of 
>> participating in last weekend's contest.  I managed to get the antenna -- a 
>> slow slung inverted L with a single raised radial as a compromise on my tiny 
>> 100 by 100 foot lot -- up in time.  I then managed to get the antenna down 
>> to an SWR of 2 to 1 measured by a Rig Expert AA55 zoom analyzer, at the 
>> balun to which the raised wire and radial are directly attached, and ythen 
>> got the same 2.0 SWR reading at the shack end of a borrowed piece of about 
>> 50 feet of RG-213.  [I recognize that 2 to 1 is not perfect by any means, 
>> but it was certainly within the range of my Elecraft equipment, I thought.]  
>> 
>> But then my K3S simply refused to tune or load into the antenna, either 
>> directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
>> tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 
>> to 1, and tuned at best to around 16 to 1, resulting in no apparent RF 
>> output.
>> After trying to fix this in various ways, I gave up on the 160M contest and 
>> turned to other pursuits, while seeking advice from several Elecraft-loving, 
>> 160M-using, friends.
>> 
>> It finally dawned on me this morning to connect the rig to my dummy load.  
>> The result of attempting to tune and load the dummy load is exactly the same 
>> as it was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down 
>> only to 16.9 to 1.
>> The rig, amp, internal and external tuners, and dummy load work fine on 80M 
>> through 6M.  This is my first time trying them all on 160M.
>> QUESTION:  Are there special configuration or other steps I need to take to 
>> operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
>> that you can help solve?
>> 
>> Please advise, and thanks!
>> 73 -
>> Rich, K1DJScituate, MA
>> __
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[Elecraft] Fred Cady Books

[Dave Sublette]

Seems I recall a sale of these books announced, but I have lost the email.
I have a need for a K3S book.  Can anyone advise me on what is needed to
get the discount?  (coupon code, etc..)

thanks,

Dave, K4TO
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Re: [Elecraft] AXT1--with a twist

[Wayne Burdick]

Just to confirm: The threaded PEM nut at the far end of the AXT1 tripod adapter 
has 4-40 threads. To use it as a tie point for a counterpoise wire, all you'd 
need is a 4-40 thumb screw as others have mentioned. The AXT1 has two 
additional unthreaded 1/8" (3 mm) holes which should help with guying, etc.

Something I plan to try soon is using the AXT1 as part of an adapter for 
*stationary* vehicle use of the AX1. (As noted in the manual, you should never 
use a lightweight telescoping whip on a *moving* vehicle, other than a 
bicycle.) The idea is to secure a custom-fabricated extender to the AXT1 (at 
the PEM nut) for use in window, roof rack, or trunk lid mounting of the antenna.

73,
Wayne
N6KR




> On Dec 2, 2018, at 7:28 PM, eric norris via Elecraft 
>  wrote:
> 
> One final final:  The Elecraft part number for the thumbscrews is E700050
> 73 Eric WD6DBM


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[Elecraft] FYI - KPA1500 utility 1.18.7.9 glitch

[Gill]

The operate tab (lower left) lists 'bands in Mhz' - when 10 is selected 
it switches amp to 10 meter band (28 mhz) instead of the 10 Mhz band. 
Also, the edit config tab for 'antenna enable' lists bands in "meter" 
designation which can be somewhat confusing if one is not paying attention.


Joe

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Re: [Elecraft] K3S will not load or tune on 160 M

[Hank]

I have a "long" 80 meter dipole that I use for 160.  It is too long for 80 but 
not long enough for 160.  At 70' above ground level, it's SWR is 3:1 on 160.  
My K3s (internal tuner) matches it to 1.3:1 according to the radio's display.  
I did not have to do anything special with the radio to make that work.


I do have a pretty good RF ground though.  Before I could get any decent 
performance on 80 (including decent SWR), I added to my RF grounding.  Where 
the HF coax enters the shack, the shield is pulled to ground (1' of #4 copper 
to an 8' copper clad ground rod).  That same grounding plate is also connected 
to another 8' ground rod about 15' away which is right below the service 
entrance to the house.  A piece of #4 connects from that ground rod to the 
electric meter base.  All of the #4 is buried except at connections where I've 
used Pentrox for CU/CU connections.  The ground rod at my HF coax entrance also 
is tied to 2" wide copper strap that runs into the shack to a copper bar (old 
-48vdc grounding bar from a phone switch) and all of my equipment is tied to 
that bar.  Under the shack where the copper strap comes in, the CATV coax and 
CAT 3 telephone wiring are grounded to that
strap.  The CATV coax has a little 4' ground rod right at the wall entrance 
that is tied to the electric meter base also.


This also cured some issues on 80 meters running an RF amp where I could make 
the phone ring and change channels on the TV when I keyed up!  All of that is 
fixed.


My $0.02 (and that's all it's worth :)


Hank
K4HYJ




-Original Message- 
> From: "Richard Hoffman, K1DJ via Elecraft"  
> To: elecraft@mailman.qth.net 
> Date: 12/03/18 12:24 
> Subject: [Elecraft] K3S will not load or tune on 160 M 
> 
> I put up my first 160 meter antenna last week in anticipation of 
> participating in last weekend's contest.  I managed to get the antenna -- a 
> slow slung inverted L with a single raised radial as a compromise on my tiny 
> 100 by 100 foot lot -- up in time.  I then managed to get the antenna down to 
> an SWR of 2 to 1 measured by a Rig Expert AA55 zoom analyzer, at the balun to 
> which the raised wire and radial are directly attached, and ythen got the 
> same 2.0 SWR reading at the shack end of a borrowed piece of about 50 feet of 
> RG-213.  [I recognize that 2 to 1 is not perfect by any means, but it was 
> certainly within the range of my Elecraft equipment, I thought.]  
> 
> But then my K3S simply refused to tune or load into the antenna, either 
> directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
> tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 
> to 1, and tuned at best to around 16 to 1, resulting in no apparent RF output.
> After trying to fix this in various ways, I gave up on the 160M contest and 
> turned to other pursuits, while seeking advice from several Elecraft-loving, 
> 160M-using, friends.
> 
> It finally dawned on me this morning to connect the rig to my dummy load.  
> The result of attempting to tune and load the dummy load is exactly the same 
> as it was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down 
> only to 16.9 to 1.
> The rig, amp, internal and external tuners, and dummy load work fine on 80M 
> through 6M.  This is my first time trying them all on 160M.
> QUESTION:  Are there special configuration or other steps I need to take to 
> operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
> that you can help solve?
> 
> Please advise, and thanks!
> 73 -
> Rich, K1DJScituate, MA
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Re: [Elecraft] K3S will not load or tune on 160 M

[Victor Rosenthal 4X6GP]

Rich,

Don't forget that the ANT1/ANT2 selection in the K3S is per-band. Make 
sure the correct antenna is selected. That SWR reading sounds like there 
is no antenna connected.


As they always say, don't ask how I know this!

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 03/12/2018 18:49, Richard Hoffman, K1DJ via Elecraft wrote:

I put up my first 160 meter antenna last week in anticipation of
participating in last weekend's contest.  I managed to get the
antenna -- a slow slung inverted L with a single raised radial as a
compromise on my tiny 100 by 100 foot lot -- up in time.  I then
managed to get the antenna down to an SWR of 2 to 1 measured by a Rig
Expert AA55 zoom analyzer, at the balun to which the raised wire and
radial are directly attached, and ythen got the same 2.0 SWR reading
at the shack end of a borrowed piece of about 50 feet of RG-213.  [I
recognize that 2 to 1 is not perfect by any means, but it was
certainly within the range of my Elecraft equipment, I thought.]

But then my K3S simply refused to tune or load into the antenna,
either directly, using its internal ATU, or routed through my KPA-500
to a KAT-500 tuner.  In both circumstances, the rig and/or tuner
showed an SWR around 25 to 1, and tuned at best to around 16 to 1,
resulting in no apparent RF output. After trying to fix this in
various ways, I gave up on the 160M contest and turned to other
pursuits, while seeking advice from several Elecraft-loving,
160M-using, friends.

It finally dawned on me this morning to connect the rig to my dummy
load.  The result of attempting to tune and load the dummy load is
exactly the same as it was trying to use the new inverted-L:  initial
25 to 1 SWR, tunes down only to 16.9 to 1. The rig, amp, internal and
external tuners, and dummy load work fine on 80M through 6M.  This is
my first time trying them all on 160M. QUESTION:  Are there special
configuration or other steps I need to take to operate the K3S on 160
meters?  Do these symptoms suggest any other problems that you can
help solve?

Please advise, and thanks! 73 - Rich, K1DJScituate, MA 
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Re: [Elecraft] K3S will not load or tune on 160 M

[Grant Youngman]

Off the cuff, it sounds like you’re trying to transmit into an open circuit … 
Are you sure you have the correct antenna selected in the radio?

Grant NQ5T
K3 #2091 KX3 #8342

> On Dec 3, 2018, at 11:49 AM, Richard Hoffman, K1DJ via Elecraft 
>  wrote:
> 
> I put up my first 160 meter antenna last week in anticipation of 
> participating in last weekend's contest.  I managed to get the antenna -- a 
> slow slung inverted L with a single raised radial as a compromise on my tiny 
> 100 by 100 foot lot -- up in time.  I then managed to get the antenna down to 
> an SWR of 2 to 1 measured by a Rig Expert AA55 zoom analyzer, at the balun to 
> which the raised wire and radial are directly attached, and ythen got the 
> same 2.0 SWR reading at the shack end of a borrowed piece of about 50 feet of 
> RG-213.  [I recognize that 2 to 1 is not perfect by any means, but it was 
> certainly within the range of my Elecraft equipment, I thought.]  
> 
> But then my K3S simply refused to tune or load into the antenna, either 
> directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
> tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 
> to 1, and tuned at best to around 16 to 1, resulting in no apparent RF output.
> After trying to fix this in various ways, I gave up on the 160M contest and 
> turned to other pursuits, while seeking advice from several Elecraft-loving, 
> 160M-using, friends.
> 
> It finally dawned on me this morning to connect the rig to my dummy load.  
> The result of attempting to tune and load the dummy load is exactly the same 
> as it was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down 
> only to 16.9 to 1.
> The rig, amp, internal and external tuners, and dummy load work fine on 80M 
> through 6M.  This is my first time trying them all on 160M.
> QUESTION:  Are there special configuration or other steps I need to take to 
> operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
> that you can help solve?
> 

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Re: [Elecraft] Flumoxed

[John Simmons]

I installed a GAP Voyager vertical about the beginning of October. The 
ground has frozen now and the SWR dip has gone from 1830 to about 1820 
now. I was curious why and the frozen ground theory makes sense.


-John NI0K

Michael Walker wrote on 12/3/2018 10:13 AM:

It would have to stretch about 4-5ft to see a difference of 50Khz in
resonance.  I doubt it has stretched that far.

I see huge swings in  my inverted L resonance (with 4 elevated radials) and
it is 100% related the ground freezing and unfreezing and ground
conductivity changing.

My 2:1 SWR  points are about 80Khz apart.  2 months ago my resonance was
about 1850khz.  Today it has slice up and the end result is that my SWR at
the bottom of the band is now 2.3:1 when it used to be 1.9:1.  That is in 2
readings 28 days apart.  My new low edge is 1813Khz.  The easy fix is to
add 3ft tot he vertical part.  In the spring, I will have to remove it
again.

I have before and after screen shots, but I don't think I can send them to
this reflector.  If someone wants to see them, let me know and I'll send
them to you.

Like Don said, his broad bandwidth is due to ground losses.

Mike va3mw



On Mon, Dec 3, 2018 at 10:30 AM Don Wilhelm  wrote:


Not necessarily - notice the relatively flat SWR (less than 2:1) over a
large frequency range (for 160 meters).  That normally means that the
antenna is acting more like a resistance than a radiator.

I would expect the SWR on 160 meters to be low only over a 25kHz or at
most 50kHz range of the band.

When the SWR bandwidth of an antenna increases, you should be looking
for a problem in that feedline, antenna to feedline connections or in
the case of a vertical, the ground radial system.

One possibility is that the radial wires installed were aluminum - they
do not last very long in the ground, for some reason, moles like to chew
on them.

73,
Don W3FPR

On 12/3/2018 9:18 AM, Don Roberts via Elecraft wrote:

Lee, it looks like your inverted L wire has stretched. Check with an

antenna analyzer and you will probably see your resonate frequency is lower
than 1.8 Mhz. Perhaps time to do some triming.
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[Elecraft] K3S will not load or tune on 160 M

[Richard Hoffman, K1DJ via Elecraft]

I put up my first 160 meter antenna last week in anticipation of participating 
in last weekend's contest.  I managed to get the antenna -- a slow slung 
inverted L with a single raised radial as a compromise on my tiny 100 by 100 
foot lot -- up in time.  I then managed to get the antenna down to an SWR of 2 
to 1 measured by a Rig Expert AA55 zoom analyzer, at the balun to which the 
raised wire and radial are directly attached, and ythen got the same 2.0 SWR 
reading at the shack end of a borrowed piece of about 50 feet of RG-213.  [I 
recognize that 2 to 1 is not perfect by any means, but it was certainly within 
the range of my Elecraft equipment, I thought.]  

But then my K3S simply refused to tune or load into the antenna, either 
directly, using its internal ATU, or routed through my KPA-500 to a KAT-500 
tuner.  In both circumstances, the rig and/or tuner showed an SWR around 25 to 
1, and tuned at best to around 16 to 1, resulting in no apparent RF output.
After trying to fix this in various ways, I gave up on the 160M contest and 
turned to other pursuits, while seeking advice from several Elecraft-loving, 
160M-using, friends.

It finally dawned on me this morning to connect the rig to my dummy load.  The 
result of attempting to tune and load the dummy load is exactly the same as it 
was trying to use the new inverted-L:  initial 25 to 1 SWR, tunes down only to 
16.9 to 1.
The rig, amp, internal and external tuners, and dummy load work fine on 80M 
through 6M.  This is my first time trying them all on 160M.
QUESTION:  Are there special configuration or other steps I need to take to 
operate the K3S on 160 meters?  Do these symptoms suggest any other problems 
that you can help solve?

Please advise, and thanks!
73 -
Rich, K1DJScituate, MA
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Re: [Elecraft] KPA1500 and Power Line Anomaly

[Ed G]

Of course, you are right!  I have that on all my 115 v gear (including the K3) 
but not on the KPA1500 PS, which is just plugged in to the 220 v outlet.  A 
lesson learned…
--Ed—


Sent from Mail for Windows 10

From: KENT TRIMBLE
Sent: Monday, December 3, 2018 11:30 AM
To: Ed G
Subject: Re: [Elecraft] KPA1500 and Power Line Anomaly

Ed . . .

Thus the reason why a master "kill switch" feeding all outlets in the radio 
shack is a good idea.  Or at least unplugging the power supply(ies) when not in 
use.

More rigs (and computers) are damaged by power line surges and transients than 
by lightning events.

73,

Kent  K9ZTV



On 12/3/2018 8:28 AM, Ed G wrote:
This morning I experienced an AC power line dropout of less than a second. 
Lights in the house blinked very briefly.  My UPS recorded the event, but 
duration was not long enough to reset the digital clocks in my house.  The 
KPA1500 power supply was plugged in, and the amplifier was turned off. The 
power line dropout caused the KPA1500 amp to turn itself on, in the standby 
mode.  Any others ever experience this?
--Ed—


Sent from Mail for Windows 10



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Re: [Elecraft] I am flummoxed about my antenna

[Mike Furrey]

I use an 1/8 wavelength top-loaded vertical up a tree with one 1/8 wavelength 
elevated radial. I had it tuned dead on at 1830 and it works quite well for 
what it is BUT with the rain the last several nights, the ground is wet, tree 
is wet, antenna is wet, the 1:1 SWR point moved down about 50 kHz ... turned on 
the tuner for the contest. Once things dry out at your QTH do another SWR check 
and see how things measure up.
73, Mike WA5POK
(P S - I apologize to anyone hear that called and I didn't hear ... fought an 
S7 noise all weekend long. Ugh.)

 

On Saturday, December 1, 2018 8:54 PM, Leroy Buller  
wrote:
 

 I think the counterpoise is wonky as many of you have stated..  I have
tested the antenna at the feed point at it is the same that I see in the
shack.  There is no resonance with this antenna.  Yes, it is cut long too.
When I did have it working it was 1.3 to 1 at 1835..  It is very wet and
rainy here and I think the counterpoise is a mess.  I have not done
maintenance on it this year since I was in the hospital in July and
recovering the last four months  Yes, it was that way.  So, next week, I am
going to put up two elevated radials about 7 feet high and then take off
the radials on the ground...or at least try to clean them up.  But, the
rain, wet and cold of Kansas has damped my enthusiasm for fixing it this
weekend.,  RATS!  I like the 160 contest.  But it does seem the actual
antenna is OK.  The end of the 130 feet has a big insulator on it and it is
about 6 foot from a tree limb.  So, it is not touching the tree.

Since I am retirednext week will be sufficient.

Lee


On Sat, Dec 1, 2018 at 11:04 AM Vic Rosenthal  wrote:

> 1. The resonant point seems to be at 1.80 or below.
> 2. The broad response indicates high loss somewhere. If you hadn’t said
> that you changed it, I would suspect water in the coax.
>
> Victor 4X6GP
>
> > On 1 Dec 2018, at 18:54, Leroy Buller  wrote:
> >
> > There
> > I tried to get on 160 with my Inverted L last night.  60 feet up and the
> > rest over to a tree, 130 feet total.  About 20 random length radials in
> the
> > yard.  The best I can do with a city lot.  This antenna worked last year
> > very well, but now I get this
> >
> > 12/1/2018 10:46:08 AM    NOTES:
> >
> > Frequency    SWR
> > -    ---
> > 00180    1.3
> > 00181    1.4
> > 00182    1.4
> > 00183    1.4
> > 00184    1.4
> > 00185    1.5
> > 00186    1.6
> > 00187    1.6
> > 00188    1.5
> > 00189    1.5
> > 00190    1.6
> > 00191    1.6
> > 00192    1.6
> > 00193    1.6
> > 00194    1.6
> > 00195    1.6
> > 00196    1.6
> > 00197    1.7
> > 00198    1.8
> > 00199    2.0
> > 00200    2.1
> >
> > There seems to be NO resonance at all with this antenna.  Before, I could
> > operate the bottom of the band but nothing above 1850 without a tuner.  I
> > have changed out the coax feeding the antenna which hepl bring signals
> up,
> > but it seems to be a dummy load.
> >
> > Anyone have an idea what is going on?  Shucks, I am out of ideas.  Unless
> > my ground plane has gone wonky
> >
> > My tuner can't find a match for it either.  I have an automatice tuner
> now,
> > but it cannot find a match.  Something is wrong here and I am stumped.
> >
> > Any help from the antenna gurus out there?
> >
> > Lee - K0WA
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>
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Re: [Elecraft] Flumoxed

[Michael Walker]

It would have to stretch about 4-5ft to see a difference of 50Khz in
resonance.  I doubt it has stretched that far.

I see huge swings in  my inverted L resonance (with 4 elevated radials) and
it is 100% related the ground freezing and unfreezing and ground
conductivity changing.

My 2:1 SWR  points are about 80Khz apart.  2 months ago my resonance was
about 1850khz.  Today it has slice up and the end result is that my SWR at
the bottom of the band is now 2.3:1 when it used to be 1.9:1.  That is in 2
readings 28 days apart.  My new low edge is 1813Khz.  The easy fix is to
add 3ft tot he vertical part.  In the spring, I will have to remove it
again.

I have before and after screen shots, but I don't think I can send them to
this reflector.  If someone wants to see them, let me know and I'll send
them to you.

Like Don said, his broad bandwidth is due to ground losses.

Mike va3mw



On Mon, Dec 3, 2018 at 10:30 AM Don Wilhelm  wrote:

> Not necessarily - notice the relatively flat SWR (less than 2:1) over a
> large frequency range (for 160 meters).  That normally means that the
> antenna is acting more like a resistance than a radiator.
>
> I would expect the SWR on 160 meters to be low only over a 25kHz or at
> most 50kHz range of the band.
>
> When the SWR bandwidth of an antenna increases, you should be looking
> for a problem in that feedline, antenna to feedline connections or in
> the case of a vertical, the ground radial system.
>
> One possibility is that the radial wires installed were aluminum - they
> do not last very long in the ground, for some reason, moles like to chew
> on them.
>
> 73,
> Don W3FPR
>
> On 12/3/2018 9:18 AM, Don Roberts via Elecraft wrote:
> > Lee, it looks like your inverted L wire has stretched. Check with an
> antenna analyzer and you will probably see your resonate frequency is lower
> than 1.8 Mhz. Perhaps time to do some triming.
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Re: [Elecraft] Flumoxed

[Don Wilhelm]

Not necessarily - notice the relatively flat SWR (less than 2:1) over a 
large frequency range (for 160 meters).  That normally means that the 
antenna is acting more like a resistance than a radiator.


I would expect the SWR on 160 meters to be low only over a 25kHz or at 
most 50kHz range of the band.


When the SWR bandwidth of an antenna increases, you should be looking 
for a problem in that feedline, antenna to feedline connections or in 
the case of a vertical, the ground radial system.


One possibility is that the radial wires installed were aluminum - they 
do not last very long in the ground, for some reason, moles like to chew 
on them.


73,
Don W3FPR

On 12/3/2018 9:18 AM, Don Roberts via Elecraft wrote:

Lee, it looks like your inverted L wire has stretched. Check with an antenna 
analyzer and you will probably see your resonate frequency is lower than 1.8 
Mhz. Perhaps time to do some triming.

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Re: [Elecraft] KPA runaway issue

[K8TE]

Joe,

Did you come to a solution to this problem?  I have the same issue with my
K3 #2 (not S) and accomplished all the possible fixes you did.

73, Bill, K8TE



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[Elecraft] Flumoxed

[Don Roberts via Elecraft]

Lee, it looks like your inverted L wire has stretched. Check with an antenna 
analyzer and you will probably see your resonate frequency is lower than 1.8 
Mhz. Perhaps time to do some triming.
Don, W4CBS 
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[Elecraft] KPA1500 and Power Line Anomaly

[Ed G]

This morning I experienced an AC power line dropout of less than a second. 
Lights in the house blinked very briefly.  My UPS recorded the event, but 
duration was not long enough to reset the digital clocks in my house.  The 
KPA1500 power supply was plugged in, and the amplifier was turned off. The 
power line dropout caused the KPA1500 amp to turn itself on, in the standby 
mode.  Any others ever experience this?
--Ed—


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[Elecraft] WANTED mountain ops tac pac

[Alan KB7MBI via Elecraft]

If you have one not being used let me know.  At least I would appreiate some 
close-up pictures of the carrying pouch for the K2


ALAN   KB7MBI
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[Elecraft] Two KFL3A-1=.K filters for sale or trade

[Nate Bargmann]

Some years ago I bought a pair of KFL3A-1.0K filters.  As I've decided
to reconfigure my K3 a bit in the future, I will list them for sale.
Given that these are 8 pole filters, I'll accept $105 each or $200 for
the pair shipped via USPS to the USA.

I'd also consider trading one for a single KFL3A-6K or a single KFL3B-FM
or the pair for one each of the 6k and 13k 8 pole filters.

Please contact me off-list.

73, Nate, N0NB

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Web: http://www.n0nb.us  GPG key: D55A8819  GitHub: N0NB
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