ITU-R QUESTION 221/7 1997
Preferred frequency bands and protection criteria for space research service observations (passive)
ITU-R F.750-4 2000
Architectures and Functional Aspects of Radio-Relay Systems for Synchronous Digital Hierarchy (SDH)-Based Networks
ITU-R REPORT BT.1080-1 1990
International exchange of television programmes with data-encoded captions (sub-titles)
ITU-R SF.766 1992
Methods for Determining the Effects of Interference on the Performance and the Availability of Terrestrial Radio-Rela...
ITU-R QUESTION 104/6 1999
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...
ITU-R TF.1011-1 1997
Systems, Techniques and Services for Time and Frequency Transfer
ITU-R BT.1700 2005
Characteristics of composite video signals for conventional analogue television systems - Study Group 6
ITU-R S.1779 2007
Characteristics of fixed-satellite service systems using wideband spreading signals
ITU-R SM.1838 2007
Test procedure for measuring the noise figure of radio monitoring receivers
ITU-R M.1731-2 2012
Protection criteria for Cospas-Sarsat local user terminals in the band 1 544-1 545 MHz
Hot Products
ITU-R BO.1516-1 2012
Digital multiprogramme television systems for use by satellites operating in the 11/12 GHz frequency range
ITU-R TF.535-2 1998
Use of the Term UTC
ITU-R SM.1794 2007
Wideband instantaneous bandwidth spectrum monitoring systems
ITU-R BT.2035 2013
A reference viewing environment for evaluation of HDTV program material or completed programmes
ITU-R BO.1297 1997
Protection Ratios to be Used for Planning Purposes in the Revision of the Appendices 30 (Orb-85) and 30A (Orb-88) Pla...
ITU-R BO.712-1 1992
HIGH-QUALITY SOUND/DATA STANDARDS FOR THE BROADCASTING-SATELLITE SERVICE IN THE 12 GHz BAND
ITU-R QUESTION 40-1/6 2010
Extremely high-resolution imagery
ITU-R REPORT M.2115-1 2009
Testing procedures for implementation of dynamic frequency selection
ITU-R TF.457-2 1997
Use of the Modified Julian Date by the Standard-Frequency and Time-Signal Services
ITU-R QUESTION 216/1 1998
Spectrum redeployment as a method of national spectrum management
ITU-R QUESTION 62-2/5 1990
Interference to the aeronautical mobile and aeronautical radionavigation services
ITU-R S.446-2 1978
Carrier Energy Dispersal for Systems Employing Angle Modulation by Analogue Signals or Digital Modulation in the Fixe...
ITU-R SF.1601-2 2006
Methodologies for interference evaluation from the downlink of the fixed service using high altitude platform station...
ITU-R REPORT SA.2191 2010
Spectrum requirements for future SRS missions operating under a potential new SRS allocation in the band 22.55-23.15 GHz
ITU-R F.758-6 2015
System parameters and considerations in the development of criteria for sharing or compatibility between digital fixe...
ITU-R SF.1650-1 2005
The minimum distance from the baseline beyond which in-motion earth stations located on board vessels would not cause...
ITU-R QUESTION 203-1/4 1993
The impact of using small antennas on the efficient use of the geostationary-satellite orbit
ITU-R REPORT M.929-2 1990
Compatibility between the broadcasting service in the band of about 87-108 MHz and the aeronautical services in the b...
ITU-R QUESTION 27/6 2002
Receivers for sound broadcasting below 30 MHz
ITU-R REPORT P.2011-1 1999
Propagation at Frequencies Above the Basic MUF