Under WRC-07 Agenda item 1.7, Resolution 744 (WRC-03) requests studies into sharing between the mobile satellite service and space research(passive) service in the band 1 668-1 668.4 MHz. Two relevant space-VLBI (Very Long Baseline Interferometry) systems have been identified. The HALCA system began operation in 1997 and ceased operation in 2005. A proposed system, Radioastron, is planned for this band and characteristics have been made available.
ITU-R REPORT M.2124-2007由国际电信联盟 IX-ITU 发布于 2007-01-01。
ITU-R REPORT M.2124-2007 在中国标准分类中归属于: M21 各种通信业务服务。
* 在 ITU-R REPORT M.2124-2007 发布之后有更新,请注意新发布标准的变化。
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