[Elecraft] K3: The ARRL RTTY Round UP

[wayne burdick]

All RTTY issues noted, Dave -- thanks.

Congratulations on your excellent showing!

Wayne
N6KR

On Jan 5, 2009, at 9:00 AM, Dave Hachadorian wrote:

> My pair of K3's also worked well in the RTTY Roundup - 1800
> qso's. There are only a couple of issues that I saw:
>
> 1. On each transition between mark/space, there is a brief
> upward power excursion. One of my amplifiers has an LED
> wattmeter, and one of the LED's was blinking like crazy.
> Also, the screen current on that amp was varying
> significantly. I've complained about this in the past.
> Elecraft is supposed to be working on it.
>
> 2. When you reduce the DSP bandwidth to 300 Hz, it is not
> possible for me to get the audio output exactly centered
> between the RTTY modem's mark and space detector. The SHIFT
> control is too coarse. One click of the SHIFT control moves
> the audio either slightly left of center, or slightly right
> of center. It would be nice if there were a "fine mode"
> setting for the SHIFT control.
>
> I can live with both of these issues, but fixing them would
> make this rig absolutely perfect for RTTY, at least for me.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
> ----- Original Message -----
> From: "Lee Buller" <k0wa at swbell.net>
> To: "Elecraft Reflector" <elecraft at mailman.qth.net>
> Sent: Monday, January 05, 2009 2:56 PM
> Subject: [Elecraft] K3: The ARRL RTTY Round UP
>
>
>
> Ladies and Gents....
>
> I just about cleared a thousand Qs this weekend in the RU in
> only 17 hours of on-the-air time. The K3 was spectacular in
> performance. The RX is magnificent and copied signals that I
> could not hear out of the speaker but printed on the screen.
> This happened many times. From Kansas, I did get to work
> some deep Europeans and even Israel called me. I did not
> hear any Russian stations at all. The DX was weak but
> workable. Magnificent RX. The TX was healthing and robust. I
> was running my amp so I was only running about 60 watts or
> less. The TX stayed cool and stable.
>
> The only issue I noticed was that between Dual PB on and
> off...the power would drop about 200 watts. No big deal, but
> interesting phenomonon. With the Dual PB on...the power
> would drop...with it off...the power would return to normal.
> Wayne and Eric already know about this issue.
>
> Thanks to all who worked me. Fun contest.
>
> Lee - K0WA
>
>
> In our day and age it seems that Common Sense is in short
> supply.  If you don't have any Common Sense - get some
> Common Sense and use it.  If you can't find any Common
> Sense, ask for help from somebody who has some Common Sense.
> Is Common Sense divine?
>
>
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