[aprssig] [OZAPRS] IGATES in south east qld Australia

[Andrew Rich]

I know

I would just have messaging thats it 

  ----- Original Message ----- 
  From: Greg D. 
  To: vk4tec at tech-software.net ; ozaprs at aprs.net.au 
  Cc: aprssig at tapr.org 
  Sent: Saturday, November 07, 2009 2:20 PM
  Subject: RE: [aprssig] [OZAPRS] IGATES in south east qld Australia


  Hi Andrew,

  I wouldn't assume that just because you've opened the Internet->RF path that you will be sending *all* of the Internet to RF.  My bi-directional iGate only sends a packet maybe every few minutes, when it's busy, much less when it's not.  

  It all depends on what is coming in from RF, which after all, is kind of the point.  APRS is a *lot* more useful when the iGates are bi-directional, and a network that requires 2-3 hops in order to get to the Internet is not likely to function well enough to be useful, and therefore not get used for anything except 1-way tracking.

  Greg  KO6TH



------------------------------------------------------------------------------
  From: vk4tec at tech-software.net
  To: vk4tec at tech-software.net; ozaprs at aprs.net.au
  Date: Fri, 6 Nov 2009 07:21:03 +1000
  CC: aprssig at tapr.org
  Subject: Re: [aprssig] [OZAPRS] IGATES in south east qld Australia


  http://aprs.net.au/vhf/australian-vhf-aprs-guidelines

    a.. DON'T set your station up as an IGATE (i.e. DO NOT gate data from the Internet to RF). This will only create traffic loops and problems on the channel.    
    If there is no IGate serving your local area (i.e within 2-3 digipeater hops), or there is no APRS activity at all where you are, please contact your local region co-ordinator so we can integrate your area into the network effectively. 

    ----- Original Message ----- 
    From: Andrew Rich 
    To: Andrew Rich ; Australian APRS Users 
    Cc: TAPR APRS Mailing List 
    Sent: Friday, November 06, 2009 7:02 AM
    Subject: Re: [OZAPRS] IGATES in south east qld Australia


    What you dont want

    01. DIGIS beaconing every 5 minutes
    02. INET to RF traffic swamping the freq
    03. No INET to RF path (messaging)
    04. Mobiles not being able to get through
    05. Mobiles sending at high rates
    06. Unnecessary geograhically non relavant data being sent to RF from INET

    What you do want

    07. Digis beaconing sensibly
    08. INET to RF kept to a minimum or even just messaging
    09. Both ways messaging
    10. Mobiles have a good chance of getting through
    11. Mobiles sending at sensible rates and using smart digi where possible.
    12. Geographically relavent data sent to RF IF you have to.

    At the moment, we have some of 01, 02, some 03, some of 04, some of 06
    At the moment, we have some of 07, none of 08, some of 09, some of 10, some of 11, some of 12

    Remember, not everyone has rx capable mobiles

    And if the packets are to help people at home, they should really be using the internet to help with bandwidth.

    Conserve the RF spectrum




      ----- Original Message ----- 
      From: Andrew Rich 
      To: Australian APRS Users 
      Cc: TAPR APRS Mailing List 
      Sent: Friday, November 06, 2009 6:22 AM
      Subject: [OZAPRS] IGATES in south east qld Australia


      I recently fitted the car with APRS.

      I am hearing some INET to RF traffic on 145.175 MHz

      I am hearing almost constant INET to RF traffic on 439.100 MHz

      What I find weird is, most people seem to be running dumb trackers, ie they can't even RX the packets.

      My question is, who or what is the INET to RF supposed to support then ?

      I am not sure everyone is doing both way gating as well, I tried a few INET to RF messages.

      Surely you would favour the mobiles.

      It makes it really hard to impossible for mobiles to get out.

      Can you please look at this situation.

      Andrew VK4TEC


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