We have a Shari Pi hat half-duplex node that is intended for linking a UHF repeater.? The repeater only transmits PL when receiving a signal with PL present; so, the repeater hangtime should be eliminated into the node when no PL is incoming. The Shari responds properly when receiving a signal with PL. The Shari also properly does not respond to a signal without PL.
The problem is: when the link is keyed from a signal (from repeater output) with PL and then the PL stops (repeater user stops transmitting). The Shari receiver should squelch it's receiver (due to no PL); but the carrier seems to be enough to keep the squelch open. This seems to be a bug in the receiver squelch.
Tom / K5TRA
Tom