[OZAPRS] FW: [aprssig] Interesting commercial tracker device

[Andrew Rich]

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Andrew Rich VK4TEC
vk4tec at people.net.au <mailto:vk4tec at people.net.au>
http://www.tech-software.net




-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Scott Miller
Sent: Saturday, 8 September 2007 3:07 PM
To: TAPR APRS Mailing List
Subject: [aprssig] Interesting commercial tracker device


http://www.equipped.org/SPOT_ORSummer2007.htm

It'll be interesting to see how well it's able to get positions to
Globalstar at 400 mW with that rather pathetic-looking antenna.  And
here's an interesting quote:

"SPOT says that the actual transmit power is comparable to the
Globalstar sat phones, but that SPOT uses twice the spectrum, using
spread-spectrum technology, for better performance."

Whatever happened to Eb/N0?

Scott
N1VG


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