ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 273/4
Support of the modernization of civil aviation telecommunication systems and the extension of telecommunication systems to remote and developing regions with current and planned satellite networks
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1807
System characteristics and interference criteria for meteorological satellite systems operating around 18 GHz
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 240/5
Technical and operational characteristics and spectrum requirements of high-frequency surface wave radar systems operating in the frequency range 3 to 50 MHz
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R RS.1803
Technical and operational characteristics for passive sensors in the Earth exploration-satellite (passive) service to facilitate sharing of the 10.6-10.68 GHz and 36-37 GHz bands with the fixed and mobile services
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1808
Technical and operational characteristics of conventional and trunked land mobile systems operating in the mobile service allocations below 869 MHz to be used in sharing studies
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1823
Technical and operational characteristics of digital cellular land mobile systems for use in sharing studies
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R RS.1804
Technical and operational characteristics of Earth exploration-satellite service (EESS) systems operating above 3 000 GHz
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1795
Technical and operational characteristics of land mobile MF/HF systems
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1805
Technical and operational characteristics of space-to-space telecommunication systems operating around 354 THz* and 366 THz**
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1783
Technical and operational features characterizing high-density applications in the fixed-satellite service - Question ITU-R 266/4
- 【日 期】2007/1/1
- 【語 言】English
- 【狀 態】Active
