|
Op.2
|
Cooperation with the International Special Committee on Radio Interference
Note - Suppressed (2011)
|
|
Op.14
|
Preferred radio-frequency channel arrangements for radio-relay links for international connections
Note - Suppressed (2012)
|
|
Op.15
|
Broadcasting in the 26 MHz Band
|
|
Op.16
|
Organizations qualified to set standards on sound and television recording
|
|
Op.22
|
Routine ionospheric sounding
|
|
Op.23
|
Observations needed to provide basic indices for ionospheric propagation
|
|
Op.38
|
Exchange of monochrome and colour television programmes via satellites
Note - Suppressed (2008)
|
|
Op.40
|
Subjective assessment of the quality of television pictures
|
|
Op.50
|
Coordination of the work of the ITU-R and the International Electrotechnical Commission (IEC) on measurements for the adjustment and maintenance of radio-relay systems
Note - Suppressed (2012)
|
|
Op.51
|
Study of digital techniques by Radiocommunication Study Groups and Telecommunication Standardization Study Group 9
Note - Suppressed (2012)
|
|
Op.56
|
Location of interface between Radiocommunication Study Group 4 and ITU-T responsibilities for digital network Recommendations
Note - Suppressed (2008)
|
|
Op.68
|
Data bank of HF sky-wave signal intensity measurements
|
|
Op.69
|
Field-stength measurements for frequencies below about 1.7 MHz
|
|
Op.71
|
Documentation of time transmissions
|
|
Op.74
|
Systems for signal interface connection between sound-broadcasting receivers and associated equipment
Note - Suppressed (2009)
|
|
Op.75
|
Systems for signal interface connection between television receivers and associated equipment
Note - Suppressed (2009)
|
|
Op.83
|
Data broadcasting services
Note - Suppressed on 11/03/11
|
|
Op.85
|
Measurements of the characteristics of atmospheric radio noise
|
|
Op.90
|
Equipment interconnection in professional programme production installations
|
|
Op.91
|
World Atlas of Ground Conductivities
|
|
Op.92
|
Support and harmonization of International Mobile Telecommunications (IMT) activities
|
|
Op.93
|
Use of communications satellites for a service of two-way time and frequency transfer
Note - Suppressed (2008)
|
|
Op.94
|
Time and frequency transfer using digital telecommunication networks
|
|
Op.95
|
Cooperation and harmonization in the future activities of the Radiocommunication (ITU-R) and Telecommunication Standardization (ITU-T) Sectors
|
|
Op.96
|
Future use of the global navigation satellite system (GNSS) for high-precision time transfer
|
|
Op.97
|
Operational use of geostationary direct TV satellites for time transfer
Note - Suppressed (2008)
|
|
Op.98
|
Spectrum requirements of meteorological aids in the frequency range from 400.15 to 406 MHz
|
|
Op.99
|
Time scale based on pulsar timing
|