AP7 – 107 – MOD TABLE 10 (REV.WRC-15) Predetermined coordination distances Frequency sharing situation Coordination distance (in sharing situations involving services allocated with equal rights) (km) Type of earth station Type of terrestrial station Ground-based in the bands below 1 GHz to which No. 9.11A applies. Ground-based mobile in the bands within the range 1-3 GHz to which No. 9.11A applies Mobile (aircraft) 500 Aircraft (mobile) (all bands) Ground-based 500 Aircraft (mobile) (all bands) Mobile (aircraft) 1 000 Ground-based in the bands: 400.15-401 MHz 1 668.4-1 675 MHz Station in the meteorological aids service (radiosonde) 580 Aircraft (mobile) in the bands: 400.15-401 MHz 1 668.4-1 675 MHz Station in the meteorological aids service (radiosonde) 1 080 Ground-based in the radiodetermination-satellite service (RDSS) in the bands: 1 610-1 626.5 MHz 2 483.5-2 500 MHz 2 500-2 516.5 MHz Ground-based 100 Airborne earth station in the radiodetermination-satellite service (RDSS) in the bands: 1 610-1 626.5 MHz 2 483.5-2 500 MHz 2 500-2 516.5 MHz Ground-based 400 Receiving earth stations in the meteorological-satellite service Station in the meteorological aids service The coordination distance is considered to be the visibility distance as a function of the earth station horizon elevation angle for a radiosonde at an altitude of 20 km above mean sea level, assuming 4/3 Earth radius (see Note 1) Non-GSO MSS feeder-link earth stations (all bands) Mobile (aircraft) 500 Non-GSO MSS feeder-link earth stations in the band 5 091-5 150 MHz Station in the aeronautical radionavigation service Note 2 Receiving earth stations in the space research service in the band: 2 200-2 290 MHz Mobile (aircraft) 880 Ground-based in the bands in which the frequency sharing situation is not covered in the rows above Mobile (aircraft) 500