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[aprssig] Messaging breakout (xastir)

Andrew Rich vk4tec at tech-software.net
Fri Aug 18 22:02:02 UTC 2006


Think I found something

The d700 can handle 10 connections at once.

That is heaps.

We can use a d700 at HQ and then the remote sites can just pump data in and
ax25 takes care of the data for me.



-----------------------------------------
Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net
web: http://www.tech-software.net
Brisbane AUSTRALIA

  -----Original Message-----
  From: Andrew Rich [mailto:vk4tec at tech-software.net]
  Sent: Saturday, 19 August 2006 7:51 AM
  To: TAPR APRS Mailing List
  Subject: RE: [aprssig] Messaging breakout (xastir)


  Here is what I have played with so far:-

  1) UI packets just sent to air with no ack or anything (assuming path is
good and you are go to send)
  2) APRS messaging packets (with ACK)
  3) AX25 connected mode then logoff - let the AX25 take care of handshaking

  We send check point number, time , and horses going past at that time

  I want to use linux at HQ, and I have had good success with PERL on the
serial port.

  HORSE,3,10:00,1,2,3,4,5
  HORSE,3,10:01,6,7,8,9,10

  Why am I doing this ? the end result will be a PHP delivered MySQL table
of the current horse data.

  I can not seem to see a full solution - it is bits and pieces

  Often is tho

  -----------------------------------------
  Andrew Rich
  Amateur radio callsign VK4TEC
  email: vk4tec at tech-software.net
  web: http://www.tech-software.net
  Brisbane AUSTRALIA

    -----Original Message-----
    From: Wes Johnston, AI4PX [mailto:wes at kd4rdb.com]
    Sent: Saturday, 19 August 2006 7:37 AM
    To: TAPR APRS Mailing List
    Subject: Re: [aprssig] Messaging breakout (xastir)


    I guess my question would be how are the messages formatted when sent
out the serial port of the T2  ( I suppose I should test this in my own
house rather than ask aloud on the sig).... consider this:
    Remote station sends me a message.
    I get the message and the T2 sends it out the serial port.
    Remote station never hears my ACK
    Remote station sends message again.
    I get the message and the T2 sends it out the serial port.

    Is the message number included in the text so I can keep up with what's
a dupe and what's new?
    Wes


    On 8/18/06, scott at opentrac.org <scott at opentrac.org> wrote:
      If a hardware solution would be acceptable, the Tracker2 might do what
you want.  It'll display incoming messages and send ACKs, and you can send
messages from the command prompt with automatic retries.  It only queues one
outgoing message at a time though, due to lack of buffer space.

      Should have some more beta boards available before long...

      Scott
      N1VG



------------------------------------------------------------------------
        From: aprssig-bounces at lists.tapr.org [mailto:
aprssig-bounces at lists.tapr.org] On Behalf Of Andrew Rich
        Sent: Friday, August 18, 2006 12:27 AM
        To: TAPR List
        Cc: ozaprs
        Subject: [aprssig] Messaging breakout (xastir)


      I have found a solution to my messaging issue.

      I found I can use xastir as the HQ computer, and because messages sent
to xastir appear on the local port 2023, it makes it REALLY easy to then use
xastir to take care of the acks, and just use perl to grab data off port2023
      -----------------------------------------
      Andrew Rich
      Amateur radio callsign VK4TEC
      email: vk4tec at tech-software.net
      web: http://www.tech-software.net
      Brisbane AUSTRALIA



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