[aprssig] Hop progression

[Lynn W. Deffenbaugh (Mr)]

Browse around my APRS Infrastructure usage graphs at:

http://tinyurl.com/APRSAct24

http://tinyurl.com/APRSAct00

And the Balloon coverage graphs at http://tinyurl.com/APRS-Balloons

Is that kind of what you have in mind?

Lynn (D) - KJ4ERJ - APRS Infrastructure Visualization


On 2/18/2011 2:41 PM, Jim Alles wrote:
> Hello All,
>
> I want to run an idea for an application past everyone.
>
> I live in central Pennsylvania, with a relatively high density of 
> digipeaters on mountaintop sites.  2 hops can easily cover the state 
> and more.  I am working on a map display of which stations hear a 
> first transmission, which digis transmit the first hop (and their PHG 
> circles), which stations hear that, etc.
>
> My proof of concept was with URL shortcuts that initiated aprs.fi 
> <http://aprs.fi> queries, based on 1000 raw packets.  Several 
> shortcomings encountered were: slow and cumbersome, can only request 
> 20 call signs at a time, and the data is already filtered.
>
> I do understand that we can't analyze the RF network from what we see 
> on the Internet.  But if paths are reported even once, it does show 
> that the RF signal is capable of being present.
>
> So I am considering what it would take to take a feed from aprs.is 
> <http://aprs.is> servers, collect real time data, parse the packets, 
> construct the profile and present the data graphically.  Doing it once 
> is a chore.  Doing more than once is a job for a computer program.  I 
> don't even know what programming language to use (other than guessing 
> PERL).
>
> I believe that if people had a tool that they could plug their 
> Callsign into, and see the propagation blossom live on a map, it might 
> be easier for them to ask: "why does my packet need to be out that far 
> away?", and maybe cut back on the hops a little.
>
> Any feedback or suggestions would be appreciated.
>
> 73
>
> Jim Alles
>
>
>
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