https://airspy.com/
Airspy SDR - High Quality Software-Defined Radio, Redefined
High Quality Software-Defined Radio (SDR) receivers from DC to Daylight for Governments, Professionals, Academics and Hobbyists.
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https://fastrunningblog.com/u/airspy/blog-11-2011.html
AirSpy - I Run I Hurt I Like It
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https://www.rtl-sdr.com/frugal-radio-testing-a-loop-on-ground-antenna-with-an-airspy-hf-discovery/
Frugal Radio: Testing a Loop on Ground Antenna with an Airspy HF+ Discovery
Jan 18, 2022 - The KK5JY Loop on Ground (LoG) antenna is a 15 feet per side square loop designed for reception of HF and lower. It simply consists of an isolation transformer...
on groundfrugalradiotestingloop