On 7/9/2023 11:32 PM, dyno lab wrote:
However, a new K3s Retrofit RF power amplifier is coming on the market that
will resolve this problem and it may be seen in my W7YNC Bio at QRZ.com
Engineering is NOT defined as producing an ideal product, but one with
certain user objectives, one of whic
Dave, et al,
The K3s is one of several 1.8 to 54MHz transceivers that has suffered the
consequences of using VMOS FETs in their final amplifiers.
And some, even if tuned as well as possible to minimize splatter, will not be
considered friendly neighbors on the congested bands of today.
However,
Which begs the question(s), "Why would one engineer a radio that can be
'misadjusted' to create awful signals?" Adjustable keying rise/fall
times comes to mind first I guess since there is one optimal shape and
rise/fall times. All others are sub-optimal. "I want to generate
clicks today so
I don't have a TS-590S but I'm sure somebody who has one can tell you
how. Crank up the audio drive from Windows (or whatever), run the
TS-590S in USB mode and crank up the audio gain and compression, etc.
It simply doesn't make sense that you can't overdrive a TS-590S.
Dave AB7E
On 7/
On Sat, Jul 8, 2023, 10:23 AM Andy Durbin wrote:
>
> On the other hand, one of the worst FT8 signals I ever saw was transmitted
> by a very experienced local operator using a K3.
>
>>> A very experienced operator who apparently hadn't read the manual. -:)
Jim - WS6X
>
__
"but I guarantee that it can be easily done with a TS-590S as well. You just
didn't do it right."
Ok, please tell me how to do that. Specific settings please from a test that
you actually ran with a TS-590S.
My tests had all audio drive sliders to max and ALC meter hard on the stop.
Clean s
Of course a K3 can generate bad FT8 signals if you drive the audio hard
enough, but I guarantee that it can be easily done with a TS-590S as
well. You just didn't do it right.
Dave AB7E
On 7/8/2023 7:22 AM, Andy Durbin wrote:
Just a few comments on dirty signals and the rigs that can,
Almost any rig can turn from “one of the best” to “one of the worst” if it is
misadjusted.
We as hams should be willing to provide constructive criticism to those with
issues and more importantly be willing to receive constructive criticism.
73
Dave wo2x
Sent from my waxed string and tin can
Yes, as I understood it, the Icom rise time default is a BAD choice, but recent
(e.g. IC7300 and others) radios permitted changing this to a better value,
although still behind the cleaner output of Elecraft & Kenwood.
The other interesting part of the discussion was the use of “pre distortion”.
This is typical of what I see anytime I tune the phone bands from Yaesu
rigs, except that the dynamic range my K4D is far better adjusted. I've
been posting about this for a couple of years now. Around that time,
W4TV had posted general comments about how it was happening.
73, Jim K9YC
On 7/1
On 7/1/2023 10:34 AM, Steve L wrote:
The IC7300 was among the better commercial transceivers in terms of spurious
emissions, clicks, splatter, etc. It wasn’t at the top of the list (the K3s is
however), but was in the “better” category. However, Rob recommended a change
in the CW signal rise t
orge Thornton
wrote:
I think this was an Icom 7300 but I am not sure.
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Steve L
Sent: Saturday, July 1, 2023 8:47 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Field Day Operation
I was wondering too abo
On 7/1/2023 8:47 AM, Steve L wrote:
I recently discovered several presentations by Rob Sherwood - famous for his
receiver testing. I was fortunate to get to meet him at Hamvention this year
and thanked him for his work. His new(?) message: CLEAN UP THE DIRTY
TRANSMITTERS. And he calls out
; From: elecraft-boun...@mailman.qth.net On
> Behalf Of Steve L
> Sent: Saturday, July 1, 2023 8:47 AM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Field Day Operation
>
> I was wondering too about the huge signal in the center of the waterfall….
> Hopefully, th
Not at all. My understanding is that the receiving station was in the
near field of the transmitting station. The shape of the signal looks
consistent with the receiver being overloaded. I suspect at any
distance the signal is just fine. But damnit Jim, I'm a graphic artist
not an electrica
raft-boun...@mailman.qth.net
On Behalf Of Wes
Sent: Saturday, July 1, 2023 6:45 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Field Day Operation
How about publicly shaming the guy whose signal is occupying the band
in this photo? Or is that receiver overload?
https://photos.app.go
I hope you're trying to be funny.
On 7/1/2023 8:18 AM, Eric Fitzgerald wrote:
Yes, it looks like a strong, clean signal to me.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.ne
I think this was an Icom 7300 but I am not sure.
-Original Message-
From: elecraft-boun...@mailman.qth.net On
Behalf Of Steve L
Sent: Saturday, July 1, 2023 8:47 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Field Day Operation
I was wondering too about the huge signal in
I was wondering too about the huge signal in the center of the waterfall….
Hopefully, the ARRL “Clean Signal Initiative” will help encourage manufacturers
to clean up these messy transceivers!
I recently discovered several presentations by Rob Sherwood - famous for his
receiver testing. I was
Yes, it looks like a strong, clean signal to me. Funny how in the so
called "weak signal" modes people will say that stations are "running
too much power" but the never say they are "running too much antenna." ;-)
73 Eric KG6MZS
On 7/1/23 7:33 AM, George Thornton wrote:
The 20 meter voice st
On
Behalf Of Wes
Sent: Saturday, July 1, 2023 6:45 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Field Day Operation
How about publicly shaming the guy whose signal is occupying the band in this
photo? Or is that receiver overload?
https://photos.app.goo.gl/wJrLrryYkPrh7t1C8
Wes
@mailman.qth.net
Subject: Re: [Elecraft] Field Day Operation
How about publicly shaming the guy whose signal is occupying the band in this
photo? Or is that receiver overload?
>> https://photos.app.goo.gl/wJrLrryYkPrh7t1C8
Wes N7WS
__
El
How about publicly shaming the guy whose signal is occupying the band in this
photo? Or is that receiver overload?
https://photos.app.goo.gl/wJrLrryYkPrh7t1C8
Wes N7WS
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/li
...@mailman.qth.net On
Behalf Of Wayne Burdick
Sent: Friday, June 30, 2023 3:45 PM
To: Michael Dinkelman
Cc: Elecraft Reflector
Subject: Re: [Elecraft] Field Day Operation
Great photos, Mike.
Half a dozen screens that size, plus some duct tape, would make a sturdy
man-cave.
Wayne
> On Jun 30, 2023,
Great photos, Mike.
Half a dozen screens that size, plus some duct tape, would make a sturdy
man-cave.
Wayne
> On Jun 30, 2023, at 3:14 PM, Michael Dinkelman wrote:
>
> K4D in operation at the Mike & Key GOTA station
>
> https://photos.app.goo.gl/q9T96tUYEwVQhtaq9
> https://photos.app.goo.
K4D in operation at the Mike & Key GOTA station
https://photos.app.goo.gl/q9T96tUYEwVQhtaq9
https://photos.app.goo.gl/KV3ChVQ7JJSa8vsf9
https://photos.app.goo.gl/wJrLrryYkPrh7t1C8
On 6/30/2023 12:40 PM, Dave New, N8SBE wrote:
Eric,
I promised Margaret some 'in action' K4D Field Day pictures.
Eric,
I promised Margaret some 'in action' K4D Field Day pictures. I haven't
forgotten, just been very busy in the aftermath of our 4A Field Day
effort this year so far.
We've tried running 'cheap' GOTA stations over the previous few years,
and except for a Kenwood TS-590S, everything else
Thanks,
I just extracted that period from my log (DXBase) to take another look after all
of these years. I operated only 20-meter SSB and took a break from 0718Z to
1347Z. There were a lot of two QSO/minutes and some three QSOs/min. So it's
more like 88 Qs/hr :-)
This predates my K3, so I
there IS a 100 W category. 500 W max for high power (this year). last
year ALL limited to 100W
73, steve WB3LGC
On 6/26/23 10:08 PM, jerry wrote:
*** Didn't they make a rule this year that everybody's limited to 100W?
- Jerry, KF6VB
Wow. I can't even imagine working 1532 contacts in 24 hours. If, in fact, you
stayed awake for 24 hours straight, that would have meant you maintained a 64 Q
per hour rate for the duration. That's an incredible run for *any* contest.
Congratulations, sir!
Yeah, I let my frustration out on the a
On 2023-06-26 17:32, Jim Brown wrote:
On 6/26/2023 4:08 PM, Wes wrote:
You simply have to be nice to the inexperience operators and coach
them along.
It's far more than that -- far too many stations run high power.
*** Didn't they make a rule this year that everybody's limited to 100W?
On 6/26/2023 4:08 PM, Wes wrote:
You simply have to be nice to the inexperience operators and coach them
along.
It's far more than that -- far too many stations run high power. We
added an SSB station one year from a 5,000 ft peak; it was a complete
exercise in frustration. CW is FAR more eff
I don't understand the knock on SSB. (I'm a few away from Honor Roll on CW so I
do that mode too). I haven't operated FD for years, since I've outlived the guys
I used to mountain top with and it's to damn hot here in the valley to be in the
field. (107F as I write). But looking back some year
Wilson,Yes, I did work W4EZ. Our club closed down Sunday morning and I went
home, put my trusty K3S on the battery and ran a combination of phone and CW
for the last three hours of Field Day.Worked W4EZ on 40 phone at 1527 on
Sunday73Mike KC8WHSent from my Verizon, Samsung Galaxy smartphone
Wayne,
I suspect that after the software becomes more stable, and more folks
use the K4, it will replace the K3 for DX operations... The question
now becomes, will it fit in a RIB setup. DX is changing...
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technica
I used a kx1, operating FD with emergency power (batteries internal to kx1). I
used two sets of batteries.
The maximum output was 1.5 watts but after 2.5 hours of operating power output
dropped to .5 watts. So, I used another set of fresh batteries to operate a
total of 5.5 hours. I made 70 co
Thanks for your comments, Eric.
Note that the K4 shares the same pedigree, and weighs only 2 pounds more, for
the same reasons.
73,
Wayne
N6KR
2A SCV
> On Jun 26, 2023, at 7:56 AM, Eric Fitzgerald wrote:
>
> Every time I take my K3 out into the field - be it Field Day, POTA, SOTA or
> grid
Every time I take my K3 out into the field - be it Field Day, POTA, SOTA
or grid activations - I marvel at how well designed this transceiver is
for portable operation. From the informative display, to the practical
power/ALC settings for soundcard digital operation, to the miserly power
consu
Hi Wilson,
Contrats on your successful FD effort.
Wayne
N6KR
> On Jun 26, 2023, at 7:29 AM, Wilson Lamb via Elecraft
> wrote:
>
> I know it's OT, but want to comment on FD operation here in NC.
> I wouldn't even consider going on SSB for FD!But our SSB station on 40/15
> made over 700 QSO,
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