[Elecraft] K3: QRQ high-speed QSK

Steve Ellington n4lq at carolina.rr.com
Sat May 15 10:32:46 EDT 2010


A breaking station sounds like a clicking sound instead of a tone on the K3 
at speeds over 30-35wpm but at least it can be heard. The main problem is 
with keying irregularity. Yes, the dits are a bit short but that can be 
compensated for. The real problem is random variation between characters. 
For example, at high speed, an H could end up sounding like SE. It really 
strains the receiving op to interpret what you're trying to say.
Steve
N4LQ
----- Original Message ----- 
From: "Toby Pennington" <toby423 at embarqmail.com>
To: <Elecraft at mailman.qth.net>
Sent: Saturday, May 15, 2010 9:36 AM
Subject: Re: [Elecraft] K3: QRQ high-speed QSK


>A friend of mine and I experiminted to see if the K3 could hear a bk during 
>a transmission at high speeds
>
> He was using the K3 with a pre BETA version,  and I was on a Icom 7700. 
> He would send a macro at a high speed,  and I would try to break him using 
> two letters (ie).  Almost always he could hear my first break attempt.  We 
> went up to 75 wpm and he could still hear my bk.
>
> So, we are wondering about what is going on concerning this thread.  Now, 
> it is possible my friend is hearing between words,  but the bk could be 
> heard almost 100%.
>
> My friend says the delay should be set to double zero on the K3 for it to 
> work????
>
> Toby  W4CAK
>
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