brainwagon "There is much pleasure in useless knowledge." — Bertrand Russell


Mini balloon tracker…

I was listening to Amateur Radio Newsline to a story about a lightweight balloon payload that crossed from Great Britain to Sweden carrying a payload which weighed less than 100 grams and using just 10mw. I thought that was cool, so I googled around and located these neat instructions on building a lightweight GPS tracker. The same could be used to log information on an RC airplane too. Stashed for later.

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