[amsat-bb] INTERMITTANT DOWNLINK HEARD - CAS-4A transponder freq

Zach Metzinger zmetzing at pobox.com
Thu Jul 27 22:15:20 UTC 2017

On Thu, Jul 27, 2017 at 05:40:39PM -0400, Scott wrote:
> Question:  in a case like this where the status of a transponder is unknown
> and no activity is heard, absent any SSB gear would it be bad to transmit
> an FM signal on the uplink just to see if the transponder is in fact
> active?  I would never use FM if there was activity, but could an FM
> transmission cause any harm just to possibly determine the status of a
> transponder?

Just make sure to ID at the end of your transmission. You can do this
by using your PTT as a key.

... otherwise, you're just kerchunking a repeater. :-)

--- Zach

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