[aprssig] Paths - Solution proposal

Scott Miller scott at opentrac.org
Tue Jul 15 20:17:55 CDT 2014


I've been driving around with a prototype magnetically mounted 9600 
baud, 2/3 watt, 440 MHz self-contained tracker with a battery life of 
about 10 days (assuming 8 hours moving per day), putting out packets 
every 6 seconds.  I'm pretty sure I'll be able to get it up to 4 time 
slots per second from the current 2 per second with a little more 
tweaking.  I have yet to determine if the TH-D7A acting as my IGate can 
keep up with that packet rate, though.

So yeah, people are still working on it.  There are only so many hours 
in the day, though.

Scott
N1VG

On 7/15/2014 7:06 AM, Keith VE7GDH wrote:
> KA7O wrote...
>
>> Not simply because it's known - but more importantly from my
>> viewpoint, they're currently in hand. There's no new investment
>> to make.
>
> APRS was built on using existing equipment. For many people, that is 
> important, but how long do we continue to use old technology? Another 
> 5 years? 25? 100? What we have works for now, and does a surprisingly 
> good job considering the limitations. However, I suspect we won't be 
> running 1200 bits per second with a maximum of 50-65 users within 
> earshot and having to fiddle with paths forever. Change will come. 
> It's just a matter of when.
>



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