[aprssig] re-purposing MFG 1278B?

Steve Dimse steve at dimse.com
Tue Dec 10 10:37:44 EST 2019

TAPR never offered ROMs for the 1278. It does sell ROMs for TNC-2 clones, of which the MFJ-1270 was the most prevalent example. 


The 1278 was the HF/VHF TNC that included grey scale WEFAX and is not a TNC-2 clone. I remember that well because a few decades ago I bought a Kenwood 440 and the MFJ to receive weather back in the dark days before the Internet. Once I had those, it seemed like a waste not to use the transmit side, so I got my ham license. Who knows what wonderful things I might have accomplished with my free time had I not done that ;-)

Steve K4HG

> On Dec 10, 2019, at 12:47 AM, Ron VE8RT <ve8rt at yknwt.ca> wrote:
>   there is a MFJ 1278B sitting on a shelf here.  From reading the
> thread on YAAC I've learned that TAPR offer (or offered at one time)
> replacement EPROMS.  My questions are: is the MFJ 1278B worth an EPROM
> upgrade (what would it be good at)?  And if so, where could I buy
> replacement EPROMS and documentation?  I've glanced at the TAPR website
> and don't know exactly what I'd be looking for.
>   Thanks,  Ron VE8RT
> -- 
> Ron VE8RT <ve8rt at yknwt.ca>
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