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[aprssig] APRS Ocean Buoys

Robert Bruninga bruninga at usna.edu
Fri Apr 28 20:10:34 UTC 2006


>>> rmccoylist at blueantservices.com 04/28/06 3:57 PM >>>
>Do you have a web page or other documentation for 
>this [ocean buoy] project? It's an area I'm interested in.

Yes, http://www.ew.usna.edu/~bruninga/buoy.html

It is our only alternative to Balloons.  SInce all ballooons
we launch from Maryland go out to sea and end up in
the ocean anyway, we figured we would just start there
in the first place and make it last longer....

Bob, WB4APR

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Robert Bruninga
Sent: Friday, April 28, 2006 2:37 PM
To: aprssig at lists.tapr.org 
Subject: [aprssig] Garmin GPS-18 power saving.

I just reduced the 60 mA of my GPS-18 to 40 mA
by clipping out the LED in the cigarette lighter plug.

Thats a power saving of 33% and is significant
in our ocean going APRS buoy we will be deploying
soon.  I was amazed. (now I hope that the LED
is not somehow otherwise involved in the circuit.
We'll see.

Bob, WB4APR





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