[aprssig] Re: Authentication over APRS

Scott Miller scott at opentrac.org
Wed Dec 8 17:51:08 EST 2004

That's just one more thing to add to the channel utilization (assuming it
only has an RF link), and one more thing that needs to be secured against
spoofing.  Not to mention added hardware cost to have a real-time clock.
You can run a tracker off a 0.5% tolerance ceramic resonator, but it stinks
for telling time.

----- Original Message ----- 
From: "Mark A. Lewis" <mark at siliconjunkie.net>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Wednesday, December 08, 2004 2:46 PM
Subject: RE: [aprssig] Re: Authentication over APRS

> I've used these too.  It requires fairly close time synchronization,
and if you're dealing with a device somewhere on a > mountaintop miles
away with no GPS, keeping within a couple of minutes is too much

Ever heard of NTP?

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