Jim
This will be an issue for me shortly: which part of your tx antenna do you
switch for de-tuning? I'm building an inverted L on an FCP and I'm looking for
the most convenient place, physically and RF-wise.
David G3UNA/G6CP
> On 28 November 2018 at 13:18 John Kaufmann <john.kaufmann@verizon.net
> mailto:john.kaufmann@verizon.net > wrote:
>
>
> Jim,
>
> I use Gigavac GH-1 vacuum relays for detuning my TX antennas when
> receiving. The contact closure/release time is 6 msec. You have to dial in
> enough QSK delay in your radio so that you don't hot-switch the relays.
>
> 73, John W1FV
>
> -----Original Message-----
> From: Topband [mailto:topband-bounces@contesting.com
> mailto:topband-bounces@contesting.com ] On Behalf Of Jim Thomson
> Sent: Wednesday, November 28, 2018 5:26 AM
> To: TopBand List
> Subject: Topband: Detuning TX ant + QSK
>
> For you folks that have to de-tune your TX ant, so your dedicated RX ant
> works correctly,
> if you also operate qsk, how do you do it ? Are you using a sped up vac
> relay to de-tune
> the TX ant ? I don’t see any other way to accomplish that task. Or do you
> use vox cw ?
>
> Jim VE7RF
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