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Re: DF from a Quadcopter?
Posted by Bob on March 25, 2013, 6:23 pm, in reply to "DF from a Quadcopter?"
Look int using Bob's doppler www.pelican2.com and his small antenna. If yoiu Quad is using GPS and video or APRS then you coulod get away from locak reflections. If you are clse enough use the third harmonic which radiates fine out of most hidden transmitters and the antenna is much smaller. Any way you look at it it is a lot of stuff for a small quad to lift. They usually are limited to less than a pound.
: Would it be possible to build a
: miniature directional antenna that
: would work from
: a Quadcopter? I'm thinking of
: doing an SDR radio (using a
: Raspberry Pi and a TV dongle). For
: the antenna, I was thinking of
: making a miniature version of the
: steel tape measure DF antenna,
: shown here:
: Or should I just buy an antenna
: like this but be limited to 2.4
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