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[aprssig] APRS buoy - transmit power and antenna?

Richard Amirault ramirault at verizon.net
Mon Sep 10 13:56:20 UTC 2007


----- Original Message ----- 
From: "Robert Rochte"


> After having my last balloon payload traverse the entire length of Lake 
> Erie
> intact, I'm now floating the idea of an APRS buoy...
(snip)
> Also, what kind of power output will I likely need to reliably reach
> terrestrial APRS stations?  Any chance that a bare Microtrak (300 mw) will
> make it??


I would think the more power and the higher antenna the better.  Despite 
being out on the water .. the curvature of the earth will quickly put your 
rig below the horizon.

Richard Amirault
Boston, MA, USA
http://n1jdu.org
http://bostonfandom.org
http://www.youtube.com/watch?v=J7hf9u2ZdlQ




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