December 26th, 2009 
Bell
Where can i get a GPS transmitter?
I’m going to be attaching a camera to a weather balloon filled with helium and sending it off into high altitude. Only problem is that i need some type of GPS/RF/Radio transmitter that i can track, so i know where i can pick it up after it falls back to Earth. Where can i get something like this?
And don’t worry, i protected the camera which is an old point and shoot i got for $30, i just need to make sure the memory card comes back intact and i know where to pick it up
You cannot transmit on GPS frequencies.
You can build a tracker, ham radio ops do it all the time.
I would suggest that you investigate getting a ham radio license, otherwise…..
You will need a license to transmit on a radio frequency that is assigned, you will need a radio that is certified for telemetry, then you will need a network of receivers.
There is already a network in place, but it takes a Amateur Radio license to use. check out www.aprs.net
To get your license, check out www.arrl.org
There is a couple balloon flights scheduled on APRS.
BBC 2 test card transmitter info and test trade colour film
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