ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R M.1231
Interference Criteria for Space-to-Earth Links Operating in the Mobile-Satellite Service with Non-Geostationary Satellites in the 137-138 MHz Band
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1082-1
International Maritime MF/HF Radiotelephone System with Automatic Facilities Based on Digital Selective Calling Signalling Format
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.687-2
INTERNATIONAL MOBILE TELECOMMUNICATIONS-2000 (IMT-2000)
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.819-2
International Mobile Telecommunications-2000 (IMT-2000) for Developing Countries
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R F.302-3
Limitation of Interference from Trans-Horizon Radio-Relay Systems
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R F.1248
Limiting Interference to Satellites in the Space Science Services from the Emissions of Trans-Horizon Radio-Relay Systems in the Bands 2 025-2 110 MHz and 2 200-2 290 MHz
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 205-1/1
Long-term strategies for spectrum utilization
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.483-3
Maximum Permissible Level of Interference in a Television Channel of a Geostationary-Satellite Network in the Fixed- Satellite Service Employing Frequency Modulation, Caused by Other Networks of This Service
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1342
Method for Determining Coordination Distances, in the 5 GHz Band, Between the International Standard Microwave Landing System Stations Operating in the Aeronautical Radionavigation Service and Non-Geostationary Mobile Satellite Service Stations Providing
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1228
Methodology for Determining Performance Objectives for Narrow-Band Channels in Mobile Satellite Systems Using Geostationary Satellites Not Forming Part of the ISDN
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
