On Mon, Mar 17, 2014 at 3:39 PM, GARY HUBER <glhuber@msn.com> wrote:
> I operate QSK and have the past thirty years using TenTec equipment.
>
> One reason given by others for not running QSK is that the relays wear out
> sooner in the transceiver and amplifier.
>
> from http://www.ad5x.com/images/Presentations/QSKals500als600RevA.pdf
>
> How Long will the Relays Last?
> What kind of life can you expect from the relays? The relay life is
> specified at 100
> million operations minimum at 36,000 operations/hour.
>
>
What relay has those ratings?
The Kilovac vacuum relays often used in linear amplifiers are only rated at
1 or 2 million operations.
73, Barry N1EU
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