[PVRCNC] Fwd: [PVRC] Sending QSD or real RST for bad signals

Thu Jun 3 09:26:44 EDT 2021

Bruce, N1LN, brought my K3 key clicks to my attention a year or so back. He had successfully tackled that problem with his K3/Acom 2000A prior to noting my clicks. I also had the K3/Acom 2000A setup. The "fix" was to increase the TX "delay" from the default of 8 ms to 12...simple as that!Wave shaping in the K3 is factory preset and you can't change it (it's plenty good by itself...but when you add an amp, "things" change!)
There, I've already told you more'n I know.
73, Bert N4CW

-----Original Message-----
From: n4cw at aol.com
To: tshoppa at gmail.com <tshoppa at gmail.com>
Sent: Thu, Jun 3, 2021 9:15 am
Subject: Re: [PVRC] Sending QSD or real RST for bad signals

Bruce, N1LN, brought my K3 key clicks to my attention a year or so back. He had successfully tackled that problem with his K3/Acom 2000A prior to noting my clicks. I also had the K3/Acom 2000A setup. The "fix" was to increase the TX "delay" from the default of 8 ms to 12...simple as that!Wave shaping in the K3 is factory preset and you can't change it (it's plenty good by itself...but when you add an amp, "things" change!)
There, I've already told you more'n I know.
73, Bert N4CW

-----Original Message-----
From: Tim Shoppa <tshoppa at gmail.com>
To: Nathan Moreschi <n4ydunate at gmail.com>
Cc: PVRC <pvrc at mailman.qth.net>; Pete Smith N4ZR <pete.n4zr at gmail.com>
Sent: Thu, Jun 3, 2021 8:31 am
Subject: Re: [PVRC] Sending QSD or real RST for bad signals

This is what NN7CW's callsign looked like when he was sending it.
The abrupt click at every leading edge (it actually sounds much more clicky than it looks) was what made me think amp relay sequencing, like a full QSK amp relay that wasn't nearly fast enough.
Certainly is distinctive - the dah is five times longer than the dit. Take away the abrupt leading edge and it sounds sorta like K7SS on the bug (which is incredibly distinctive everyone knows it's DAN WA from just the SS).

Tim N3QE
On Wed, Jun 2, 2021 at 7:34 PM Nathan Moreschi <n4ydunate at gmail.com> wrote:

NN7CW often has choppy CW and he runs around 40 wpm frequently. I believe he uses K3s. Maybe he doesn't put the K3 in CW QRQ mode. The CW gets erratic on K3s if QRQ mode isn't enabled at high speeds.
I'm not certain that is the case with newer K3 firmware.
73,
Nate/N4YDU
On Wed, Jun 2, 2021, 7:12 PM Pete Smith N4ZR <pete.n4zr at gmail.com> wrote:

When I had a problem with my amp's TR relay not closing enough, only the 
first character of the transmission was affected.  Of course, I wasn't 
running QSK

73, Pete N4ZR
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On 6/2/2021 5:14 PM, Tim Shoppa wrote:
> I think NN7CW was bad amp relay sequencing.
>
> There were a LOT more stations with malformed dots and dahs presumably 
> due to remote latency?
>
> Tim N3QE
>
> On Wednesday, June 2, 2021, Ray Conrad NM2O <nm2o at outlook.com 
> <mailto:nm2o at outlook.com>> wrote:
>
>     There have been many comments about bad signals. I didn't hear
>     K3JO, but there were many others.
>     I'm not quite sure how some get so wide on CW. Are they over
>     driving the amp while having clicks?
>
>     QSD is "Your keying is defective."
>
>     RST of 595 seem right for K3JO. See the linked article.
>
>     Key clicks is K after the RST.
>
>     Routine reporting of poor signals ought to be quite normal.
>
>     I don't hear chirp very often these days.  RST + C. Anyone
>     remember VP2LAT? They said "chirp so bad that we had almost no
>     dupes."
>
>     Did anyone notice NN7CW? I wonder if the radio was ready to blow.
>     I can't quite describe his signal.
>
>     Two articles:
>
>     https://en.wikipedia.org/wiki/R-S-T_system
>     <https://en.wikipedia.org/wiki/R-S-T_system>
>     https://en.wikipedia.org/wiki/Q_code
>     <https://en.wikipedia.org/wiki/Q_code>
>
>
>     73,
>     Ray
>
>
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