The Humain radio observatory in Belgium is active in the spectral radio observations and monitoring of the Sun.
| geographic longitude: | 05° 15′ 12″ |
| geographic latitude: | 50° 11′ 31″ |
| altitude above sea level: | 294 m |
| antenna diameter: | 6 m |
Available observing mode: single dish
Frequencies used currently:
| Frequency band | Observing mode |
| 45 – 870 MHz | single dish (wide-band solar spectral observations) |
| 275 – 1475 MHz* | single dish (wide-band solar spectral observations) |
| 1 – 11 GHz** | single dish (radiometric measurement of solar flux) |
Research programs: solar research.
* A new USRP spectrometer is being developed for frequencies up to 3000 MHz.
** The receiver is under construction.