Inmarsat C satellite decoding of EGC and AERO ACARS with a homemade helical antenna Used hardware: My SDR is a NooElec NESDR SMArTee XTR SDR with a RTL2832U Demodulator, USB interface and E4000 tuner and integrated, always-on bias-tee. A NooElec LNA ('Low Noise Amplifier') specific to band L is placed at the antenna output.
![Dvd decoding software Dvd decoding software](http://www.satellitenwelt.de/inmarsat/std-c_Dekoder.png)
A 60 cm dish. The LHCP helical antenna: 3.5 turn helical of 2 mm copper. 20 x 20 cm aluminium ground plane with a SMA connector. A small tin for spices is screwed on the ground plane to have a holder for the dish Used Software: The great Multipsk from Patrick F6CTE , HDSDR to control my SDR and of course virtual audio cable. For the antenna pointing, I used Thanks for watching!
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[Carl] just found a yet another use for the RTL-SDR. He’s been decoding Inmarsat STD-C EGC messages with it. Inmarsat is a British satellite telecommunications company. They provide.