[MilCom] 143.95 Data Transmissions -- MARS?

[Tom ND5Y]

I was in USAF MARS about 10 years ago and back then 143.95 was indeed
the nationwide packet frequency for USAF MARS. I don't know if it still
is because in the past several years I have heard that all the MARS
services can now use eachother's VHF/UHF frequencies. Back then we used
standard AX.25 packet radio, just like what is used in ham radio. I
don't know if they are currently doing the same thing. There are a
number of hardware TNCs and some sound card base programs for packet.
Google "packet radio" and "sound card packet radio" and you should be
able to find all the info you need.

Tom ND5Y

--- Ken <rfinder1 at verizon.net> wrote:

> I've noted what appears to be data transmissions in the vicinity of
> Westover 
> JARB, (Chicopee) MA as well as approx 15 miles east at my work
> locations 
> (Palmer MA).  Both areas had an S4 signal strength which leads me to
> believe 
> that these are digi repeaters e.g. one on Mt Tom (Holyoke) and the
> other on 
> Bald Peak (Monson/Palmer)...
> 
> Grove's "Military Frequency Directory" 2nd edition indicates that
> this 
> frequency is used by the Air Force Military Affiliated Radio System
> (MARS).
> 
> Wondering if this is possibly a nationwide digital designation for AF
> MARS & 
> also does anyone know if they use a common digital transmission
> method that 
> can be monitored by hobbyists?
> 
> Ken
> Springfield MA Monitoring Area 


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