[Elecraft] [P3] and HRD

[Joe Subich, W4TV]

 > But what is a bit annoying if working digital modes (such as PSK),
 > pressing send on HRD, there can be several second delay before the K3
 > responds.  Sometimes I need to press the send button 2X.  In casual
 > ragchewing I don't find it more than a minor problem, but am wondering
 > how it will be in contesting when things are hot and heavy.

Stop using "software PTT" and use an open collector transistor switch
on a serial port RTS line.  I believe HRD will even do it on the same
port as the CAT connection.

73,

    ... Joe, W4TV

On 8/25/2010 8:55 AM, John Fritze wrote:
> I notice, as others have comented a couple of second delay until HRD
> catches up with things like frequency displayed, etc.  Not really a
> problem for me.
>
> But what is a bit annoying if working digital modes (such as PSK),
> pressing send on HRD, there can be several second delay before the K3
> responds.  Sometimes I need to press the send button 2X.  In casual
> ragchewing I don't find it more than a minor problem, but am wondering
> how it will be in contesting when things are hot and heavy.
>
> I have not tried Winlink Pactor 3 yet, and this delay may be big
> problem as the turn around time is very fast.  If I simply turn off
> the P3 will the delay go away?
>
> BTW, I am really loving this panadaptor when looking for DX.  I've
> noticed that it's possible to pick out 2 SSB siganls nearly on top of
> each other.  Then separate out the desired signal with the K3s
> filtering.  I'm hearing signals now that I might have skipped over
> before.
>
> John
> K2QY
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