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[aprssig] kayaking and APRS

Richard Amirault ramirault at verizon.net
Tue Aug 26 18:15:37 UTC 2008


----- Original Message ----- 
From: "Jim Lux"


> The idea is that there may not be reliable coverage from a little 5W 
> tracker on the kayak to the overall APRS infrastructure, but that you can 
> probably get back to the car with it, and then, the car can digipeat the 
> packets with a)a bigger antenna and b) more power.

Hmmmm... I'm no expert .. but I wonder just how far away from the car you 
can be and still reliably hit it?  You did say "ocean". Yes, it will be 
"line of sight" but, remember, the power and antenna on the kayak are small 
.. plus .. it doesn't take very far for the curvature of the earth to hide 
the kayak from view of the car.

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





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