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[aprssig] APRS DF reporting

R. Simmons pelican2 at silcom.com
Wed Nov 22 14:52:27 UTC 2006

I'll try to reply in an hour to all postings, had to work yesterday
afternoon and could not respond.

Bob S.

----- Original Message -----
From: "R. Simmons" <pelican2 at silcom.com>
To: <aprssig at lists.tapr.org>
Sent: Tuesday, November 21, 2006 9:27 AM
Subject: [aprssig] APRS DF reporting

> To all... I'm a new member and have no prior experience with APRS or any
> packet modes, but I am considering something that might interest folks
> I'm Bob Simmons, ( WB6EYV ) and I make the PicoDopp DF, which is a DSP
> Doppler DF with RS232 output and a GPS input.
>  I recently had cause to investigate packet and APRS technology for a
> potential customer, and I now think I could add automatic APRS DF
> to the PicoDopp, without too much trouble. ( or offer it as a separate
> optional board ) It would have a PTT output, an audio input to check for
> channel = busy, and a tone output. I would also have to create an IBM
> program to set the semi-static variables ( like the user's call sign,
> destination address, etc. ) which would be stored in EE memory of the PIC
> chip, and which would not change during normal operation. It wouldn't be
> terribly easy to do all this, but I think also not terribly hard.
>  I want to solicit opinions and comments on this, and suggestions for
> features. I don't want to turn this into a major engineering effort, but
> there is an interest out there for such a beast, I probably will pursue
> Offers to critique and test the design ( if I proceed ) would also be
> appreciated.
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