COSPAS-SARSAT Reception using RTL SDR

“Receiving COSPAS-SARSAT transponder on board of a low earth orbiting satellite on 1544.5 MHz (frequency on the SDR display was not calibrated, please ignore).

Using the famous RTL SDR…”the cheapest SDR in town”” for VHF/UHF/SHF covering 64-1700 (up to 2.1 GHz “out of spec” )….this particular one was a Hama Nano.” — MegaOscarVideos

 

[Wikipedia: COSPAS-SARSAT]

 

Homemade Discone for RTL-SDR Use.

“I have been getting into software defined radio via RTLSDR and found the stock antennas woeful for reception and picked up a tonne of noise from my LCD and laptop – though it’s hardly surprising.  So to improve the situation and spend as little as possible I decided to make a discone antenna.  After some research I happened upon VE3SQB’s site and a neat discone design program for Windows.  As a compromise between frequency and unwieldyness I settled on 130MHz as the lower bound.  Discones are inherently wideband and I expect the antenna to be useful for reception in the 60MHz to 1700MHz band the E4000 tuner can work with.” — http://helix.air.net.au

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