Airspy HF+ Can Receive L-Band 1.2 GHz to 1.67 GHz

The Airspy HF+ is a much anticipated and recently released software defined radio that specializes in HF and VHF reception. However, one little known and not often advertised feature is that it can actually be used for L-band reception between 1.2 and 1.67 GHz as well. This means that it could be used for signals such as AERO, STD-C, Iridium, the 23cm amateur radio band and more.

Over on YouTube Adam 9A4QV has uploaded a video that tests the HF+ with Alphasat AERO signals at about 1.545 GHz. He notes that the sensitivity is quite good as it is able to receive the satellite signals directly with only the antenna connected and no external LNA used. Of course adding in an external low noise figure LNA and filter would improve the signal even further. Adam notes that reception on the 23cm amateur band (1240 MHz to 1300 MHz) is also quite good with sensitivity reaching about -130 dBm.

Airspy HF+ L-band satcom test

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Excluding 6m band is very regrettable

Kevin Alewine

A little icing on the cake. I wonder what other frequencies the HF+ is capable of receiving outside of the advertised HF/VHF ranges?


That’s it. No other frequency than advertised plus L-band possible to tune.