The ITU Radiocommunication Assembly, considering that new technology utilizing high altitude platform stations (HAPS) in the stratosphere is being developed; that WRC-97 made provisions for operation of HAPS within the fixed service in the bands 47.2-47.5 GHz and 47.9-48.2 GHz; that since the 47 GHz bands are more susceptible to rain attenuation in those countries listed in Nos. 5.537A and 5.543A of the Radio Regulations (RR), the frequency range 18-32 GHz has been studied for possible identification of additional spectrum in ITU-R.
ITU-R F.1612 SPANISH-2003由国际电信联盟 IX-ITU 发布于 2003-01-01。
ITU-R F.1612 SPANISH-2003 在中国标准分类中归属于: M30 通信设备综合,M36 无线电通信设备。
* 在 ITU-R F.1612 SPANISH-2003 发布之后有更新,请注意新发布标准的变化。
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