[digitalradio] Re: Old MFJ 1272B TNC/Mic switch circuit or manual?

, Al N1AW Amherst, MA --- In digitalradio@yahoogroups.com, Dave wej ve3...@... wrote: I have several types here, can you email a picture of the inside for me Dave Garber VE3WEJ/VE3IE ve3...@... - Original Message - From: Al Woodhull To: digitalradio@yahoogroups.com

[digitalradio] Old MFJ 1272B TNC/Mic switch circuit or manual?

for the older one? I suspect mine is a rev. 1 unit, there is no visible rev. number on the circuit board. 73, Al Woodhull, N1AW Amherst, MA