| RUS Russian Federation | Nyagan | Highway, Building 1 14 Unyugan village Khanty-Mansiisk autonomous district-Yugra 628181 Nyagan Tyumen Region Russian Federation | TF : +7 346 7261332 FAX : +7 346 7266939 EMAIL : a.anisimov@urfc.ru | Frequency measurements Field strength or power flux-density measurements Direction-finding measurements Bandwidth measurements Automatic spectrum occupancy surveys | 62°06'00''N 065°24'00''E 62°06'00''N 065°24'00''E 62°06'00''N 065°24'00''E 62°06'00''N 065°24'00''E 62°06'00''N 065°24'00''E | H24 H24 H24 H24 H24 | 1 MHz - 30 MHz 1 MHz - 30 MHz 10 kHz - 30 MHz 1 MHz - 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 1.5 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. Antenna system with frequency range from 1 MHz to 30 MHz - 17 antennas based on vertical asymmetrical volumetric dipoles with a height of 11.2 m. Vertical polarization. x dB 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. |