On 1/21/2020 12:43 PM, Grant Youngman wrote:
I once spent the better part of a day wondering why my K3 was deaf. Discovered
that every receiver in the shack was also deaf. Finally found that a surge
protector in the antenna chain was bad
I've also had that happen here -- a blown GDT in a protector will
typically be a short circuit, so you'll see high VSWR on transmit.
Another common issue in my station is relay contacts in my system of
antenna switching -- I'll sometimes need to transmit to "wet" the
contacts so that they pass the RX signal.
73, Jim K9YC
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