[aprssig] 9600b UHF APRS IS THE FUTURE OF APRS
vk4tec at tech-software.net
Mon Oct 9 12:34:49 CDT 2006
Why stop there ?
Aircraft use PPM at a 1Mb rate and can send positions in 112us at a 1/2
Just need some smart ham radio operators to try
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
From: Gregg Wonderly [mailto:gregg at wonderly.org]
Sent: Tuesday, 10 October 2006 3:29 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] 9600b UHF APRS IS THE FUTURE OF APRS
Joel Maslak wrote:
> It's not the coverage that's the problem, it's the number of users in
> the collision domain and the size of the aloha circle vs. digipeater
> location and user paths.
Not to be picky, because you did qualify that statement, but it is exactly
coverage that increases the number of users and the size of the aloha
So, a system which can cover less area (at reasonable HAAT given the
coverage area), will have a better performance margin from my perspective.
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