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[aprssig] "Best" packet decoder solution

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Mon Dec 27 16:02:09 UTC 2010


By "decode APRS data packets" to you mean decode the ASCII text of a 
packet and glean all useful information from it?

Or do you mean decode an APRS packet received over-the-air?  Is that 
1200 baud AX.25 on 2m?  9600 baud AX.25 on 2m or 70cm?  300 baud AX.25 
on HF (30m for instance)?  PSK-63 or GMSK-250 or some-such as done by 
APRS Messenger?

And are you referring to decoding a 100% purely transmitted packet with 
perfect deviation and twist (deviation difference between high and low 
tones caused by pre/de-emphasis over the typical audio path) or actual 
packets transmitted by arbitrary stations anywhere on the planet?

There's way too many variables to give you a simple answer to such a 
general questoin.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

Greg Clark wrote:
> What's the "best" packet decoder out there?
>
> By "best", I mean the one that has the greatest ability to decode APRS 
> data packets.
>
> Can be stand-alone (like the D710) or separate unit (like Kantronics TNC)
>
> Is any one in particular considered the  "gold standard" ?
>
> How do units like the new Kenwood HT, or small inexpensive ones like 
> the TT4/OT/TNC-X  compare?
>
> -- Greg K7RKT
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>
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