HAARP is the High-Frequency Active Auroral Research Program located near Gakona, Alaska approximately 300 km east-northeast of Anchorage, Alaska. HAARP is a part of the Subauroral Geophysical Observatory for Space Physics and Radio Science (SAGO). The facilities are formally described here and photographic tours in 2016 and 2017 and other hand-on information are here:
- HAARP Antenna Array ~ Photographic Tour 2016
- HAARP Diagnostic Instruments ~ Photographic Tour 2017
- Additional HAARP articles
The HAARP Radio Observatory (HRO) was first established in 2019 and originally consisted of the existing TCI-540 antenna with one Callisto radio spectrometer and one RFSpace CloudIQ software defined radio receiver. The Callisto and CloudIQ were moved to the Modular UHF Incoherent Radar (MUIR) site a few km away in 2021.
A cross-dipole Long Wavelength Array (LWA) Antenna and a second Callisto were installed at the MUIR site to collect right-hand and left-hand circular polarized data in support of the e-Callisto network. The Callistos operate with a dual heterodyne up-converter from 5 to 85 MHz.
In June 2022, the single CloudIQ SDR receiver was replaced by two RFSpace CloudSDR receivers, one on each polarization of the LWA Antenna. These receivers usually are operated in the IQ mode for support of HAARP research campaigns and experiments but sometimes are set to the Cloud mode and are accessible using the SDRanywhere application.
Also, in June 2022 a Raspberry Shake Boom device was installed at HRO along with a SAM-III Magnetometer. The SAM-III magnetometer supports the University of Alaska - Fairbanks Space Weather Underground (SWUG) project.These instruments also are part of the Diagnostic Suite of instruments at HAARP.
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