Re: [Elecraft] QRP and Contesting

[Victor Rosenthal 4X6GP]

Definitely agree. I regularly operate in the CWops CWT activity at 
0300z, which is 0500 local time for me in the winter. I am limited at 
that time to 40m (I don't have an antenna for 80/160 and the higher 
bands are deader than a doornail).


The majority of my contacts at that hour are with stations in North 
America. I usually S because I am not loud enough there to hold a 
frequency (at least at the beginning). I find that the number of times 
my call is copied incorrectly by the runner goes up rapidly when I send 
at more than about 28 WPM.


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

On 10/11/2022 5:06, David Gilbert wrote:


In the presences of a lot of background noise (as on 160m) slower speeds 
can sometimes improve readability.  Your ear/brain benefits from being 
able to integrate the tone over the noise.  Some years ago I did some 
experiments with that here:


http://www.ab7e.com/weak_signal/mdd.html   (toward the end of the page)

73,
Dave   Ab7E

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[Elecraft] Good Natured Contesting Advice

[Jim Brown]

On 11/9/2022 5:12 PM, j...@kk9a.com wrote:

One final comment regarding dupes. The contesting club to which I belong
has a mantra: "work all dupes!" There is no penalty, but there is the
possibility that one op or both busted a QSO, so the second one is
insurance. Just work 'em. you might take small time hit, but how much
time would you spend sending B4 or DUPE, then explaining to the other op
why you won't work him again?


Yes. And that's why the guys not keeping dupe sheets are so frustrating, 
especially in SS when it's a long exchange.


On 11/9/2022 5:56 PM, Nate Bargmann wrote:
> I got turned off of the CQWW DX CW 'test years ago because of the
> absurdly high speeds, of course it is merely a callsign copying event.

Yes, I've made some contesters very angry when I've said on the 
CQ-Contest reflector that CQWW is the dumbest contest going, for exactly 
that reason. And it's why so many CW ops love SS -- because it's a long 
exchange, and you have to copy all of it correctly or lose the QSO.


One piece of advice (really a request) to contesters who think they are 
weak, so they repeat everything at least once. Please don't do that -- 
just send your exchange once, and let the other station ask for a repeat 
if needed. Some other contesting advice.


When answering a CQ, send ONLY your call, and never repeat anything that 
the other station copied correctly. For example, if he sent your call 
correctly when he responded to you, don't repeat your call when sending 
your exchange. And when you're the caller, never send the other 
station's call unless there's confusion about who's working who. :) As 
Bob, K6XX, says when he's teaching new contesters, "I know MY call, the 
only one I need is YOURS!


The reasons for all of this is that 1) contesting is about making more 
QOSs, which means doing it faster, so never waste time with anything 
un-necessary; and 2) when you are weak at the other station, or if 
there's QRM or QSB, wasting time sending something un-necessary 
increases the chances that you'll get clobbered by that QRM or QSB!


73, Jim K9YC
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Re: [Elecraft] QRP and Contesting

[David Gilbert]

In the presences of a lot of background noise (as on 160m) slower speeds 
can sometimes improve readability.  Your ear/brain benefits from being 
able to integrate the tone over the noise.  Some years ago I did some 
experiments with that here:


http://www.ab7e.com/weak_signal/mdd.html   (toward the end of the page)

73,
Dave   Ab7E





On 11/9/2022 6:56 PM, Nate Bargmann wrote:

I generally enjoy the ARRL 160m 'test as it is typically sub 30
WPM.

73, Nate, N0NB



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Re: [Elecraft] QRP and Contesting

[Nate Bargmann]

* On 2022 09 Nov 17:32 -0600, Jim Brown wrote:
> On 11/9/2022 3:18 PM, j...@kk9a.com wrote:
> > Al, if you called CQ at 30WPM and they answered at 45WPM and you had to ask
> > for repeats, you are not the lid!
> 
> In my experience, the greatest abuse of wildly excessive sending speed has
> been in DX contests, mostly by Eastern EU ops, whether at home or on
> expeditions.

I got turned off of the CQWW DX CW 'test years ago because of the
absurdly high speeds, of course it is merely a callsign copying event.
OTOH, I generally enjoy the ARRL 160m 'test as it is typically sub 30
WPM.

73, Nate, N0NB

-- 
"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."
Web: https://www.n0nb.us
Projects: https://github.com/N0NB
GPG fingerprint: 82D6 4F6B 0E67 CD41 F689 BBA6 FB2C 5130 D55A 8819

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[Elecraft] Notice regarding K3S current-sense resistor power rating

[Wayne Burdick]

It has come to our attention that a 50 milliohm resistor used for sensing 
current drain on the K3S RF board is, at least on paper, underrated for the 
application. The resistor is R36, used in the low-current path that supplies 12 
V to everything except the KPA3 100 W PA module.

NOTE: 

On the K3, a leaded 2 watt resistor was used.

On the K4, a surface-mount 2 watt resistor was used.

So this issue only affects the K3S, which has a 1/2 watt resistor at this 
location. This was an oversight.

According to our lead repair technician, only one RF-R36 has ever had to be 
replaced during service, and it was in fact stressed because of a short on the 
board. The infrequency of failure is probably due to the conservative power 
rating of the 1/2 W resistor. 

I would not expect adverse effects under typical operating conditions. 

The way you would know that the resistor had been damaged is if the indicated 
non-100 W PA current drain had gone up unexpectedly, or had exceeded the 
allowed range, resulting in a HI CUR warning either in RX or TX mode. Normally 
a basic K3S with no options will have an RX-mode current drain in the range of 
~1.0 A, while the ATU and sub-RX options can bump this up to ~1.5 A. On 
key-down, the indicated current can be as high as several amps. 

The only way to definitively verify a damaged resistor, if there's no HI CUR 
warning, would be to place an accurate external ammeter in series.

Even though we expect instances of damaged current-sense resistors to be very 
few, we will send a leaded, 2 watt substitute resistor to any K3S owner on 
request, at no charge.

If you would prefer to have us remove the SMD resistor and replace it with the 
leaded one, you may send your K3S back to the factory. There will be only 
shipping charges (no charge for parts or labor).

73,
Wayne
N6KR

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Re: [Elecraft] QRP and Contesting

[john]

This is all good contesting advice Mike, especially regarding working dupes.

Thanks for the SS QSO,
John KK9A



Mike Dodd N4CF wrote:

I'll toss in my two cents

I have fair-to-middlin' CW skills, and I've operated a lot of CW 
contests. I was surprised and disappointed to hear so many high-speed 
ops in this year's CW SS. In past years, I've been pleased with the 
moderate speeds.

When I'm operating S, I almost always adjust my TX speed to match the 
running station's speed. it's only a hit or two on N1MM's Page Down key. 
I figure that's the considerate thing to do.

I can comfortably copy at 25 wpm, so that's the speed I call CQ. If 
someone answers faster than I can copy, I don't hesitate to send QRS. If 
he ignores that comes back still too fast, I'll just hit F1 to start 
another CQ.

If I can't copy part of his exchange, I'll ask for a repeat. There are 
plenty of reasons for bad copy, not just speed. QSB and QRM were present 
last weekend. I don't need to explain why I asked for a repeat!

One final comment regarding dupes. The contesting club to which I belong 
has a mantra: "work all dupes!" There is no penalty, but there is the 
possibility that one op or both busted a QSO, so the second one is 
insurance. Just work 'em. you might take small time hit, but how much 
time would you spend sending B4 or DUPE, then explaining to the other op 
why you won't work him again?

-- 
73, Mike N4CF
Louisa County, VA USA
Elecraft K4D / KPA500 / KAT500
Carolina Windom up 45'

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[Elecraft] FS: K3 for sale by W3DVX ... SOLD!

[Alan D. Wilcox]

  "W3DVX Rescues Legacy Elecrafts"

Thanks for all your interest! K3-1117 was quickly spoken for at the 
asking price.


If you missed out, I might be selling a K3/100 and/or a K3S.
Contact me off the board and I'll keep you up-to-date.

=

Hello,


Selling K3-1117 that I recently acquired for temporary use in my shop - 
and restored to full performance.


See details and photos on my site at 
https://wilcoxengineering.com/2020/06/09/selling-extra-equipment/


Any questions, feel free to call or text 1300-2000 Eastern.

Cheers,

Alan

Alan D. Wilcox, W3DVX (K2-5373, K3-40, K4D-384, SKCC 22955)
570-916-9590 (cell, text)
https://WilcoxEngineering.com
http://www.eham.net/reviews/detail/6768 ... Elecraft Client Comments
http://amazon.com/author/alandwilcox
Williamsport, PA 17701


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Re: [Elecraft] K3 doesn't receive at power up

[Mike Flowers]

And I did have this done as well, but for a different issue. 

-- 73 de Mike Flowers, K6MKF, NCDXC - "It's about DX!" 

> On Nov 9, 2022, at 4:01 PM, Keith Trinity WE6R  wrote:
> 
> It could be tin pin oxidation on the KREF3 and/or Front panel pins.
> Loose and shove back on the connectors to confirm.
> Replace with gold pins.
> Keith WE6R Elecraft K3/K4 Tech
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Re: [Elecraft] K3 doesn't receive at power up

[Keith Trinity WE6R]

It could be tin pin oxidation on the KREF3 and/or Front panel pins.
Loose and shove back on the connectors to confirm.
Replace with gold pins.
Keith WE6R Elecraft K3/K4 Tech
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Re: [Elecraft] QRP and Contesting

[Mike Dodd]

On 11/9/2022 6:18 PM, j...@kk9a.com wrote:

Al, if you called CQ at 30WPM and they answered at 45WPM and you had
to ask for repeats, you are not the lid!


I'll toss in my two cents

I have fair-to-middlin' CW skills, and I've operated a lot of CW 
contests. I was surprised and disappointed to hear so many high-speed 
ops in this year's CW SS. In past years, I've been pleased with the 
moderate speeds.


When I'm operating S, I almost always adjust my TX speed to match the 
running station's speed. it's only a hit or two on N1MM's Page Down key. 
I figure that's the considerate thing to do.


I can comfortably copy at 25 wpm, so that's the speed I call CQ. If 
someone answers faster than I can copy, I don't hesitate to send QRS. If 
he ignores that comes back still too fast, I'll just hit F1 to start 
another CQ.


If I can't copy part of his exchange, I'll ask for a repeat. There are 
plenty of reasons for bad copy, not just speed. QSB and QRM were present 
last weekend. I don't need to explain why I asked for a repeat!


One final comment regarding dupes. The contesting club to which I belong 
has a mantra: "work all dupes!" There is no penalty, but there is the 
possibility that one op or both busted a QSO, so the second one is 
insurance. Just work 'em. you might take small time hit, but how much 
time would you spend sending B4 or DUPE, then explaining to the other op 
why you won't work him again?


--
73, Mike N4CF
Louisa County, VA USA
Elecraft K4D / KPA500 / KAT500
Carolina Windom up 45'
http://n4cf.mdodd.com

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Re: [Elecraft] QRP and Contesting

[a******@sbcglobal]

By the way, Jim, in case you were wondering, you sounded absolutely superb here 
in KY. And you were not one of the offending Big Guns. I mean, yes, you’re a 
Big Gun but no, I didn’t have you in mind during my rant. You know what I mean. 
:^)

Al W6LX/4

> On Nov 9, 2022, at 6:
> Great advice, Al. 
> 
> 73, Jim K9YC
> 

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[Elecraft] WTB KPA 100, DSP

[steve roberts]

I have a k2 in dire need of the KPA 100 and DSP real time clock.  If you have 
either for sale, please
e-mail me @ kb2...@hotmail.com
Thanks for reading.

73, take care and GOD Bless
Steve
kb2tvi

Get Outlook for iOS
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Re: [Elecraft] QRP and Contesting

[Jim Brown]

On 11/9/2022 3:18 PM, j...@kk9a.com wrote:

Al, if you called CQ at 30WPM and they answered at 45WPM and you had to ask
for repeats, you are not the lid!


In my experience, the greatest abuse of wildly excessive sending speed 
has been in DX contests, mostly by Eastern EU ops, whether at home or on 
expeditions.


73, Jim K9YC
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Re: [Elecraft] QRP and Contesting

[john]

Al, if you called CQ at 30WPM and they answered at 45WPM and you had to ask
for repeats, you are not the lid! If they were running at a higher  speed
that you're comfortable with, you probably could figure out their info from
QSOs before and after you. If it is not copyable you just have to move on. I
personally did not see that many super speed ops but I did not S until
late in the contest when most ops were begging.  There were definitely some
very good ops last weekend and I enjoyed all of my QSOs.

73,
John KK9A  (W4AAA in 2022 SS CW)



Al Lorona W6LX wrote:

I noticed this opposite phenomenon as soon as CW SS got started. It seemed
that the average CW speed was way up this year. (I hadn't operated the SS in
a couple of years, so this trend may have started a couple of years ago and
I just now have experienced it.) 

My CW skill is decent, but even I got into hot water when copying some
exchanges: Was that 378A? Or 377U? Asking for a repeat didn't always help,
because at 45 WPM slight multipath distortions in the ionosphere start to
mess with high-speed CW. Not a single op slowed down for me, even if I had
to ask for multiple repeats.

Then there's this: When you think about it, there's no incentive to help
someone like me copy correctly. After all, if I copy incorrectly, I'm the
one who gets penalized, not him. By asking for a repeat, all I'm doing (in
his mind) is slowing him down on his run frequency. And probably ticking him
off?

I mean, 30 WPM with no repeats is actually faster than 40 WPM with some
repeats.

You may say, "Well, Al, you're a lid for entering a contest if you're unable
to copy quickly enough to participate." Maybe so, but the obstinacy of
operating at 40+ WPM no matter what shows a colossal disdain for the Little
Pistols who are the bread and butter of the elite. 

R,

Al  W6LX/4

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Re: [Elecraft] QRP and Contesting

[Jim Brown]

On 11/9/2022 2:31 PM, Al Lorona wrote:

I mean, 30 WPM with no repeats is actually faster than 40 WPM with some repeats.


Great advice, Al. My friend N6TV, who has won SS several times, starts 
out in the 30s, but slows down towards the end of the contest. Nearly 
all of my operation was 26-28 wpm. I slowed down when someone needed it, 
but it's been observed that a lot of ops who send fairly slow are using 
readers, so that's rarely required. What's more important, I think, is 
sending good clean code.


One tactic I use in pileups is to send as fast as I think the other guy 
can copy, in the hope of sneaking more of my call into a gap between 
other callers. On these occasions, I'll get up to 34 wpm or so. A few 
times I've forgotten to slow back down, so ran for a while before I 
caught my mistake.


On 11/9/2022 2:45 PM, Andrew (A.J.) Stockton via Elecraft wrote:
> How about an online counter for ‘Please Copy’. {coming to SSB soon}.

I refuse to work anyone who says that. Those lids have soured my on SSB 
contesting, which I used to enjoy.


73, Jim K9YC



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Re: [Elecraft] QRP and Contesting

[Andrew (A.J.) Stockton via Elecraft]

How about an online counter for ‘Please Copy’. {coming to SSB soon}. Need a 
quarter jar for that one…..

-AJ | NK4O

> On Nov 9, 2022, at 5:31 PM, Al Lorona  wrote:
> 
> This issue is a kind of double-edged sword that cuts not only newbies with 
> bad fists, but Big Guns with fists that are, well, *too* good.
> 
> I noticed this opposite phenomenon as soon as CW SS got started. It seemed 
> that the average CW speed was way up this year. (I hadn't operated the SS in 
> a couple of years, so this trend may have started a couple of years ago and I 
> just now have experienced it.) 
> 
> My CW skill is decent, but even I got into hot water when copying some 
> exchanges: Was that 378A? Or 377U? Asking for a repeat didn't always help, 
> because at 45 WPM slight multipath distortions in the ionosphere start to 
> mess with high-speed CW. Not a single op slowed down for me, even if I had to 
> ask for multiple repeats.
> 
> Then there's this: When you think about it, there's no incentive to help 
> someone like me copy correctly. After all, if I copy incorrectly, I'm the one 
> who gets penalized, not him. By asking for a repeat, all I'm doing (in his 
> mind) is slowing him down on his run frequency. And probably ticking him off?
> 
> I mean, 30 WPM with no repeats is actually faster than 40 WPM with some 
> repeats.
> 
> You may say, "Well, Al, you're a lid for entering a contest if you're unable 
> to copy quickly enough to participate." Maybe so, but the obstinacy of 
> operating at 40+ WPM no matter what shows a colossal disdain for the Little 
> Pistols who are the bread and butter of the elite. 
> 
> In two weeks we'll get to hear the Phone SS equivalent of this obstinacy: 
> absolutely nasty, overdriven, groaty, fingernails-on-a-chalkboard, bad audio. 
> How lovely.
> 
> R,
> 
> Al  W6LX/4
> 
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Re: [Elecraft] QRP and Contesting

[Al Lorona]

This issue is a kind of double-edged sword that cuts not only newbies with bad 
fists, but Big Guns with fists that are, well, *too* good.

I noticed this opposite phenomenon as soon as CW SS got started. It seemed that 
the average CW speed was way up this year. (I hadn't operated the SS in a 
couple of years, so this trend may have started a couple of years ago and I 
just now have experienced it.) 

My CW skill is decent, but even I got into hot water when copying some 
exchanges: Was that 378A? Or 377U? Asking for a repeat didn't always help, 
because at 45 WPM slight multipath distortions in the ionosphere start to mess 
with high-speed CW. Not a single op slowed down for me, even if I had to ask 
for multiple repeats.

Then there's this: When you think about it, there's no incentive to help 
someone like me copy correctly. After all, if I copy incorrectly, I'm the one 
who gets penalized, not him. By asking for a repeat, all I'm doing (in his 
mind) is slowing him down on his run frequency. And probably ticking him off?

I mean, 30 WPM with no repeats is actually faster than 40 WPM with some repeats.

You may say, "Well, Al, you're a lid for entering a contest if you're unable to 
copy quickly enough to participate." Maybe so, but the obstinacy of operating 
at 40+ WPM no matter what shows a colossal disdain for the Little Pistols who 
are the bread and butter of the elite. 

In two weeks we'll get to hear the Phone SS equivalent of this obstinacy: 
absolutely nasty, overdriven, groaty, fingernails-on-a-chalkboard, bad audio. 
How lovely.

R,

Al  W6LX/4

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