[aprssig] Regular packet and APRS
kb2scs at optonline.net
kb2scs at optonline.net
Fri Mar 30 17:14:29 EDT 2007
Also set your unproto path to APRS VIA WIDE2-1
This will give one hop.
The path part "WIDE2-1" can be changed to an aprs path that is
consistent with your area. The WIDE2-1 is just an example.
The important part is the APRS part.
On 30 Mar 2007 at 16:32, Robert Bruninga wrote:
> > It is my understanding that APRS is regular packet...
> >
> > So, is it possible to send a "beacon" in Regular Packet
> > that contains the info required to display your position
> > to other stations running APRS?
>
> Sure! Any of these formats will work:
> This is what you type in CONV mode:
>
> !DDMM.hhN/DDDMM.hhW$...
>
> That is the simplest format. For the "$" byte, you can enter
> any of about 200 different symbol indicators. Easiest to
> remember are "-" for a house, and ">" for a car
>
> You don't even need to enter that degree of LAT/LONG precision
> if the position is estimated. Only enter the degree of
> precision you have. But replace all unused bytes with SPACE
> characters. That maintains the format and indicates to ALL
> observers that the position is "ambiguous" to the degree for
> which you are transmitting data. All of the following are
> valid:
>
> !DDMM.h N/DDDMM.h W$... <== tenth mile ambiguity
> !DDMM. N/DDDMM. W$... <== 1 mile ambiguity
> !DDM . N/DDDM . W$... <== ten mile ambiguity
> !DD . N/DDD . W$... <== 60 mile ambiguity
>
> Oh, and you can put any free text up to I think it is 53 bytes
> where the ...'s are...
>
> Enjoy!
> Bob, WB4APR
>
>
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Let us hope we never witness the "Silence Of The Hams"
73 DE John KB2SCS
E-Mail: kb2scs at arrl.net
APRS-SCS http://www.tapr.org/~kb2scs
Web Page: http://www.qsl.net/kb2scs
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