You must have had some older 75 ohm BNC connectors.
Those which comply with the 1978 standard IEC 169-8 will interchange
non-destructively - so says Wikipedia
73,
Don W3FPR
On 11/21/2015 2:44 PM, Danny Higgins wrote:
I remember buying some cheap BNC patch leads at a rally which worked fine.
After a swap around my RX went deaf and I couldn't work out what was wrong.
After a lot of diagnosis I started to inject a large signal and worked all
the way back to the BNC antenna input socket, where I found that the cheap
leads were 75 Ohm video types with fat centre pins that had splayed out the
centre of the socket so that while they worked, there was no connection to
the centre pin of a thinner 50 Ohm plug. They went straight in the bin
after that.
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