Re: Old TNC's

Greg D

Yep.  MFJ-1278T in use here.  Seems a waste to run it in KISS-1200 mode, given it's huge mailbox and added 2400bps modem, but such is progress...

Greg  KO6TH

Brian Webster via wrote:

They work great for APRS, any program that needs a kiss TNC. I still run my daily. The only time it’s not ideal is when you need the TNC on a node site that needs special firmware in the eprom. Only a few TNC’s that are TAPR 2 clones (paccomm, MFJ 1270 series) are suitable for those chips. Normal packet users can use just about any type of TNC. The PK88 uses the same command set as a TNC2.


Brian N2KGC


From: [] On Behalf Of Bob & Jane
Sent: Sunday, November 8, 2020 4:03 PM
Subject: [APRSISCE] Old TNC's


Where does an AES PK-88 fit into this list?

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