P 330 ADD by alphabetical order
| country | name | postal address | contact | measurement type | coordinates | hours of service | frequency ranges | remarks |
|---|---|---|---|---|---|---|---|---|
| RUS Russian Federation | Irkutsk | 24, Gornaya Str. 664007 Irkutsk Russian Federation | TF : +7 395 2268960 FAX : +7 395 2268972 EMAIL : office@irk.srfc.ru | Frequency measurements Field strength or power flux-density measurements Direction-finding measurements | 52°39'37''N 104°47'10''E 52°39'37''N 104°47'10''E 52°39'37''N 104°47'10''E | H24 H24 H24 | 10 kHz - 30 MHz 10 kHz - 30 MHz 10 kHz - 30 MHz | Accuracy of measurements: ± 1 Hz (absolute value). Measurement range: 10 - 120 dBμV/m. Accuracy of measurements: ± 3 dB. Antenna system with frequency range from 10 kHz to 100 kHz - two magnetic dipoles - multiturn frames with ferrite cores, active length of antenna not less than 0.5 m. Vertical polarization. Antenna system with frequency range from 100 kHz to 1 MHz - two magnetic dipoles - three-turn frames with diameter 3 m, active length of antenna not less than 1.5 m. Vertical polarization. …/… |
| RUS Russian Federation | Direction-finding measurements Bandwidth measurements Automatic spectrum occupancy surveys | 52°39'37''N 104°47'10''E 52°39'37''N 104°47'10''E 52°39'37''N 104°47'10''E | H24 H24 H24 | 10 kHz - 30 MHz 10 kHz - 30 MHz 10 kHz - 30 MHz | Antenna system with frequency range from 1 MHz to 30 MHz - 17 active antenna elements based on vertical asymmetrical volume vibrators with a height of 11.93 m. Vertical polarization. x dB method and β% method according to ITU-R Recommendation SM.443-4. Automatic measurement of spectrum occupancy in accordance with ITU-R Recommendation SM.1880 and ITU Handbook on Spectrum Monitoring. |