The Committee on Radio Astronomy Frequencies (CRAF) is a committee of
the European Science Foundation (ESF).
Some details of the Zelenchukskaya radio observatory:
| geographic longitude: | 41o 35'32" | |
| geographic latitude: | 43o 49'53" | |
| altitude above sea level: | 1000 meter | |
| diameter telescope: | 32 meter | |
| minimum elevation: -5o | ||
| RATAN-600: ring of 895 elements with 600 meter diameter | ||
| minimum elevation: 3o |
Available observing mode: single dish, Very Long Baseline Interferometry (VLBI).
Frequencies used currently:
| Frequency band | Observing mode |
| 1330.0 - 1400.0 MHz | single dish |
| 1400.0 - 1427.0 MHz | single dish |
| 1400 - 1800 MHz | single dish, VLBI |
| 1610.6 - 1613.8 MHz | single dish |
| 1660.0 - 1670.0 MHz | single dish |
| 2120 - 2620 MHz | single dish, VLBI |
| 2655.0 - 2690.0 MHz | single dish |
| 2690.0 - 2700.0 MHz | single dish |
| 3260.0 - 3267.0 MHz | single dish |
| 3332.0 - 3339.0 MHz | single dish |
| 3345.8 - 3352.5 MHz | single dish |
| 4600 - 5000 MHz | single dish, VLBI |
| 4800.0 - 4990.0 MHz | single dish |
| 4990.0 - 5000.0 MHz | single dish |
| 8200 - 8700 MHz | single dish, VLBI |
| 10.68 - 10.7 GHz | single dish, VLBI |
| 14.47 - 14.50 GHz | single dish, VLBI |
| 15.35 - 15.40 GHz | single dish, VLBI |
| 22.085 - 22.385 GHz | single dish, VLBI |
| 22.21 - 22.50 GHz | single dish |
| 36.0 - 37.3 GHz | single dish |
Research programs: various galactic and extra-galactic programs