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[aprssig] Kenwood TM-451a

Michael J. Wolthuis wolthui3 at msu.edu
Thu Jan 5 20:37:37 UTC 2006



Actually the TM-451a has a DIN port on it, same as the 251 and that is where
I am getting the audio.

Mike
Kb8zgl


Did you hack the radio to take data, dc-coupled and non-deemphasized, 
directly off the RX discriminator?     You can't simply connect a 
9600bps TNC to the speaker or headphone jack the way you do at 1200.  As 
far as I  know, the '451 doesn't have the 6-pin MiniDIN "data" or 
"packet"  connector that provides easy external access directly to the 
discriminator.









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