In October 2005, a Russian rocket launched Iran's first satellite, the Sina-1, which carried photographic and telecommunications equipment.
在2005年十月,一枚俄罗斯火箭搭载了伊朗的第一颗卫星——Sina - 1。该卫星上装有摄像仪以及通信设备。
International Telecommunications Union (ITU) rules state that after submitting a proposal to use a frequency, a satellite must be in orbit and using that part of the spectrum within seven years.
国际的电传视讯联盟(itu)在一份使用频率的提议确定之后说,一座在轨道中的人造卫星一定在七年内使用那个部份的频率。
应用推荐