ITU
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- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 104/6
Sharing criteria for BSS networks in the 17.3-17.8 GHz band in Region 2, and in the 21.4-22 GHz band in Regions 1 and 3, and their associated feeder links
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1258-1
Sharing of the Frequency Band 401-403 MHz between the Meteorological Satellite Service, Earth Exploration-Satellite Service and Meteorological Aids Service
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 65/6
Spectrum requirements for sound broadcasting
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 105/6
Spectrum requirements for television broadcasting
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 100/6
Television and multimedia images quality levels
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R F.106-2
The use of diversity for voice-frequency telegraphy on HF radio circuits
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1388
Threshold Levels to Determine the Need to Coordinate between Space Stations in the Broadcasting-Satellite Service (Sound) and Particular Systems in the Land Mobile Service in the Band 1 452-1 492 MHz
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.103
Hypothetical Reference Connections - Study Group 12
- 【日 期】1998/12/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T D.211
International Accounting for the Use of the Signal Transfer Point and/or Signalling Point for Relay in Signalling System No. 7 - Series D: General Tariff Principles General Tariff Principles - Charging and Accounting Principles for International Telecommu
- 【日 期】1998/12/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T P.931
Multimedia Communications Delay, Synchronization and Frame Rate Measurement - Series P: Telephone Transmission Quality, Telephone Installations, Local Line Networks Audiovisual Quality in Multimedia Services - Study Group 12; 47 pp
- 【日 期】1998/12/1
- 【語 言】English
- 【狀 態】Active
