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

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