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Re: [Discuss-gnuradio] Questions about receiving signals of Inmarsat I-4
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From: |
Sylvain Munaut |
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Subject: |
Re: [Discuss-gnuradio] Questions about receiving signals of Inmarsat I-4 Satellites |
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Date: |
Mon, 31 Mar 2014 08:40:57 +0200 |
Hi,
> May I know what's the setup you used for receiving the signal? The spectrum
> looks very clear.
* The antenna was a homemade helical antenna : http://i.imgur.com/c6JaySJ.png
* It's followed by a modified LNA23 (to be centered at 1550 MHz). This
is a 30 dB LNA with a < 1dB NF with a built-in filter.
* Capture was made with a bladeRF
Cheers,
Sylvain