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[aprssig] TNC cable for Alinco DJ-C7?

Jason Winningham jdw at eng.uah.edu
Tue Oct 18 13:14:55 UTC 2005

Does anyone have a cable diagram to connect an OpenTracker to an Alinco 

The manual indicates it's a 2.5mm 3 conductor stereo plug, looks like 
tip is speaker and ring is mic, but I can't find any hints as to what 
the PTT part of the circuit should look like.


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