{Collins} Serial # Range - 75S-3B SB1?



Is there a serial number range that all 75S-3B's had the SB1 / 2
included from the factory?

 

Thanks...

 

Rich N7TR

ex KI3V, N3AMK, WB3JOV

www.n7tr.com <http://www.n7tr.com> 

Telnet: dxc.n7tr.com N7TR DXCluster

 







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