ITU-R P.844-1-1994 标准详情
- 标准号:ITU-R P.844-1-1994
- 中文标题:在 vhf 和 uhf 频段内 (30 mhz ~ 3 ghz) 影响频率共享的电离层因素
- 英文标题:ionospheric factors affecting frequency sharing in the vhf and uhf bands (30 mhz-3 ghz)
- 标准类别:国际电信联盟标准
- 发布日期:1994-08-01
Radio propagation at VHF is mainly controlled by physical objects, such as terrain and ground cover (clutter),and tropospheric factors, principally refraction. However, at VHF, ionospheric propagation over long distances can take place with relativel
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