From: Richard (Rick) Karlquist
Sent: Wednesday, November 28, 2018 7:02 AM
To: jkaufm...@alum.mit.edu ; 'Jim Thomson' ; 'TopBand List'
Subject: Re: Topband: Detuning TX ant + QSK
On 11/28/2018 5:18 AM, John Kaufmann wrote:
> Jim,
>
> I use Gigavac GH-1 vacuum relays for detuning
I have an Ameritron QSK-1 never used and sitting on the shelf that has
external outputs for relays. Works QSK with most any AMP $200 or best
offer takes it.
Herb Schoenbohm
On Wed, Nov 28, 2018 at 6:27 AM Jim Thomson wrote:
> For you folks that have to de-tune your TX ant, so your
version of the GH-1.
Jim VE7RF
-Original Message-
From: Richard (Rick) Karlquist
Sent: Wednesday, November 28, 2018 7:02 AM
To: jkaufm...@alum.mit.edu ; 'Jim Thomson' ; 'TopBand List'
Subject: Re: Topband: Detuning TX ant + QSK
On 11/28/2018 5:18 AM, John Kaufmann wrote:
Jim,
I use
On 11/28/2018 5:18 AM, John Kaufmann 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
A quick
ays.
>
> 73, John W1FV
>
> -Original Message-
> From: Topband [mailto:topband-boun...@contesting.com
> mailto:topband-boun...@contesting.com ] On Behalf Of Jim Thomson
> Sent: Wednesday, November 28, 2018 5:26 AM
> To: TopBand List
> Subject: Topband:
-boun...@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
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
