Forget tubes. Four your application you _must_ go Solid State.
Alex
> -----Original Message-----
> From: amps-admin@contesting.com [mailto:amps-admin@contesting.com]On
> Behalf Of Larry Kayser
> Sent: Sunday, August 18, 2002 4:28 PM
> To: amps@contesting.com
> Subject: [Amps] recommendations please
>
>
> Greetings:
>
> A small issue here, I make 360 transmissions per day at this time, 5
> seconds long per minute. In the future I may go to 24x7 operation when I
> can process all the collected data...
>
> I am using an ancient SB 220 and have been running it locked ON
> for each 1
> hour session of 60 transmissions. It would be a simple program change to
> key it up each minute 1 second before and unkey it one second
> after each 5
> second transmission.
>
> My question - which is best for the tubes which are the expensive part of
> the operation. I can replace relays much easier than tubes hi.
> I can see
> some reasons to go either way, but there may be an important
> reason I have
> not thought of.
>
> Larry
> VA3LK
>
> PS, The application is in the scientific side of amateur radio and of no
> interest here.
>
>
>
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