[Xastir] APRS packet building

[Corby Krick]

Curt, WE7U wrote:
> On Fri, 22 Jun 2007, Corby Krick wrote:
>
>   
>> I'm looking into making a script that'll send out objects once again,
>> using xastir_udp_client. I understand the login sequence, but what I
>> don't understand is what the APRS packet should look like. I'll need
>> the name, coordinates, icon, and comments, but I don't know how to
>> build the packet. Can anyone give me any insight?
>>     
>
> Here's an example from one of my test scripts.  I'm going to break
> it up a bit at points where spaces don't matter, so that the places
> where spaces _do_ matter will come out right:
>
>
> -------------------------------------------------------
> xastir_udp_client \
>     localhost 2023 \
>     K0SKW 15513 \
>     -to_rf \
>     -to_inet \
>     "K0SKW>APRS:;tempy    *271046z4800.00N/12200.00W[ 1"
> -------------------------------------------------------
>
>
> As far as what to put in the last string, you'll need to get _real_
> familiar with the APRS spec and the first APRS spec addendum (which
> has been ratified by the working group).  The second spec addendum
> has not been ratified at this point.
>
> The above example packet creates an object named "tempy".
>
> You'll also need to turn on Xastir's server port before you can
> inject UDP objects:  Interface->Enable Server Ports
>
> --
> Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
> "Lotto:    A tax on people who are bad at math." -- unknown
> "Windows:  Microsoft's tax on computer illiterates." -- WE7U
> "The world DOES revolve around me:  I picked the coordinate system!"
>
>   
Okay... so if I do NOT include the -to_rf and -to_inet... would the 
object then display on my Xastir screen but not ever be transmitted?

Corby