[Amps] T/R delay mod for AL-811?

Steve Katz stevek at jmr.com
Thu Feb 10 10:36:41 PST 2011


Why not just adjust your transceiver for longer VOX hang time
(semi-QSK)?

No need to do this in the amplifier.

73

WB2WIK



-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]
On Behalf Of John Harper
Sent: Wednesday, February 09, 2011 3:26 PM
To: amps at contesting.com
Subject: [Amps] T/R delay mod for AL-811?

Hello all,

I'm looking for a way to adjust the T/R delay of my AL-811 and wondering
if anyone knows of an online source of info...so far, I haven't been
able
to turn one up.

Specifically, I'm looking for a way to delay the transition from
transmit
back to receive during CW in order to minimize wear & tear on the relay.
Even at 25 wpm, the relay transitions back to receive mode after every
letter of my callsign. I'd like something less QSK-ish, for example to
just stay in the transmit position for the length od a word (or
callsign)
rather than changing over after each letter is sent.

Thanks and 73,

John Harper AE5X
http://www.ae5x.com/blog



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