[amsat-bb] Half duplex operation on linear satellites

Pierre van Deventer pierrevd at icon.co.za
Wed Nov 4 04:22:18 PST 2009

Good day all,
I would like to know if there are *any* stations operating on the satellites
with linear transponders e.g. on AO-7, that use "fixed uplink, half duplex"
on a regular basis?
Is done, is it allowed or is it actively discouraged?
Feedback will be appreciated.
Kind Regards.
73, Pierre ZS6BB

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