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Recommendations

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Recommendations

Rec NumberTitleEffective DateFile
REC_ALLAll SFCG Recommendations combined into one zip file (MS Office Format). Does not include any provisional Recommendations. - 2.8 MB13 September, 2017 All SFCG Recommendations combined into one zip file (MS Office Format). Does not include any provisional Recommendations. - 2.8 MBAll SFCG Recommendations in single PDF file
REC 4-3R3Utilization of 2 GHz Band by Space Operation17 September, 1998 Utilization of 2 GHz Band by Space OperationUtilization of 2 GHz Band by Space Operation
REC 5-1R5Use of the 8450-8500 MHz Band for Space Research, Category A17 September, 1998 Use of the 8450-8500 MHz Band for Space Research, Category AUse of the 8450-8500 MHz Band for Space Research, Category A
REC 6-1R5Interference from Space-to-Space Links Between Non-Geostationary Satellites to Other Space Systems in the 2025 - 2110 and 2200 - 2290 MHz Bands20 October, 2005 Interference from Space-to-Space Links Between Non-Geostationary Satellites to Other Space Systems in the 2025 - 2110 and 2200 - 2290 MHz BandsInterference from Space-to-Space Links Between Non-Geostationary Satellites to Other Space Systems in the 2025 - 2110 and 2200 - 2290 MHz Bands
REC 6-2R2Transponder Turnaround Frequency Ratios for Space Research, Category A, and Earth Exploration Satellite Services13 September, 2017 Transponder Turnaround Frequency Ratios for Space Research, Category A, and Earth Exploration Satellite ServicesTransponder Turnaround Frequency Ratios for Space Research, Category A, and Earth Exploration Satellite Services
REC 7-1R5Transponder Turnaround Frequency Ratios and Radio Frequency Channel Plans for Space Research, Category B30 September, 2007 Transponder Turnaround Frequency Ratios and Radio Frequency Channel Plans for Space Research, Category BTransponder Turnaround Frequency Ratios and Radio Frequency Channel Plans for Space Research, Category B
REC 11-1R4Use of the Band 1670-1710 MHz for Meteorological-Satellite Services11 June, 2014 Use of the Band 1670-1710 MHz for Meteorological-Satellite ServicesUse of the Band 1670-1710 MHz for Meteorological-Satellite Services
REC 12-2Use of the 14.0 - 15.35 GHz and 16.6 - 17.1 GHz Bands for Space Research, Category A25 September, 1997 Use of the 14.0 - 15.35 GHz and 16.6 - 17.1 GHz Bands for Space Research, Category AUse of the 14.0 - 15.35 GHz and 16.6 - 17.1 GHz Bands for Space Research, Category A
REC 12-4R3Methods for Reduction of Potential Interference between Systems in the Space Science Service in Densely Occupied Bands16 October, 2002 Methods for Reduction of Potential Interference between Systems in the Space Science Service in Densely Occupied BandsMethods for Reduction of Potential Interference between Systems in the Space Science Service in Densely Occupied Bands
REC 12-5R1Limitations on Earth - Space Link Power Levels15 December, 1995 Limitations on Earth - Space Link Power LevelsLimitations on Earth - Space Link Power Levels
REC 13-3R3Data Relay Satellite Channel Plans for the 23 and 26 GHz Bands15 June, 2011 Data Relay Satellite Channel Plans for the 23 and 26 GHz BandsData Relay Satellite Channel Plans for the 23 and 26 GHz Bands
REC 14-1R1Protection of Deep-Space Research Earth Stations from Line-of-Sight Interference in the Bands 2290 - 2300 MHz, 8400 - 8450 MHz, and 31.8 - 32.3 GHz20 October, 2005 Protection of Deep-Space Research Earth Stations from Line-of-Sight Interference in the Bands 2290 - 2300 MHz, 8400 - 8450 MHz, and 31.8 - 32.3 GHzProtection of Deep-Space Research Earth Stations from Line-of-Sight Interference in the Bands 2290 - 2300 MHz, 8400 - 8450 MHz, and 31.8 - 32.3 GHz
REC 14-2R5Use of the 37 - 38 GHz Space Research Service Allocation23 September, 2004 Use of the 37 - 38 GHz Space Research Service AllocationUse of the 37 - 38 GHz Space Research Service Allocation
REC 14-3R10Use of the 8025-8400 MHz Band by Earth Exploration-Satellites14 June, 2016 Use of the 8025-8400 MHz Band by Earth Exploration-SatellitesUse of the 8025-8400 MHz Band by Earth Exploration-Satellites
REC 15-1R3Use of the 400.15-401 and 410-420 MHz Space Research Allocations for Proximity Links3 July, 2013 Use of the 400.15-401 and 410-420 MHz Space Research Allocations for Proximity LinksUse of the 400.15-401 and 410-420 MHz Space Research Allocations for Proximity Links
REC 15-2R4Use of the Band 25.25 - 27.5 GHz for Inter-Satellite (Data Relay Satellite and ISS Proximity Links)16 October, 2002 Use of the Band 25.25 - 27.5 GHz for Inter-Satellite (Data Relay Satellite and ISS Proximity Links)Use of the Band 25.25 - 27.5 GHz for Inter-Satellite (Data Relay Satellite and ISS Proximity Links) and Earth Exploration Satellite Service Applications
REC 18-1Use of Bands 31.3-31.8 GHz and 36-37 GHz for EESS passive Sensing15 September, 1999 Use of Bands 31.3-31.8 GHz and 36-37 GHz for EESS passive SensingUse of Bands 31.3-31.8 GHz and 36-37 GHz for EESS passive Sensing
REC 18-2Minimum Earth Station G/T Requirements for Reception of Non-Geostationary EESS in the 8025-8400 MHz Bands15 September, 1999 Minimum Earth Station G/T Requirements for Reception of Non-Geostationary EESS in the 8025-8400 MHz BandsMinimum Earth Station G/T Requirements for Reception of Non-Geostationary EESS in the 8025-8400 MHz Bands
REC 21-1Spectrum Considerations for Formation Flying Systems4 October, 2001 Spectrum Considerations for Formation Flying SystemsSpectrum Considerations for Formation Flying Systems
REC 21-2R4Efficient Spectrum Utilisation for Space Research Service (Category A) and Earth Exploration-Satellite Service on Space-to-Earth Links4 August, 2015 Efficient Spectrum Utilisation for Space Research Service (Category A) and Earth Exploration-Satellite Service on Space-to-Earth LinksEfficient Spectrum Utilisation for Space Research Service (Category A) and Earth Exploration-Satellite Service on Space-to-Earth Links
REC 21-3R1Use of Sub-Carriers for Space Science Services on Space-to-Earth Links; Category A16 October, 2002 Use of Sub-Carriers for Space Science Services on Space-to-Earth Links; Category AUse of Sub-Carriers for Space Science Services on Space-to-Earth Links; Category A
REC 22-1R2Frequency Assignment Guidelines for Communications in the Mars Region13 September, 2017 Frequency Assignment Guidelines for Communications in the Mars RegionFrequency Assignment Guidelines for Communications in the Mars Region
REC 23-1R2Efficient Spectrum Utilization for Space Research Service, Deep Space (Category B), in the Space-to-Earth Link13 September, 2017 Efficient Spectrum Utilization for Space Research Service, Deep Space (Category B), in the Space-to-Earth LinkEfficient Spectrum Utilization for Space Research Service, Deep Space (Category B), in the Space-to-Earth Link
REC 23-2Assignment of Differential One-Way Ranging Tone Frequencies for Category B Missions25 September, 2003 Assignment of Differential One-Way Ranging Tone Frequencies for Category B MissionsAssignment of Differential One-Way Ranging Tone Frequencies for Category B Missions
REC 24-1R1Frequency Assignment Guidelines for Active Remote Sensing in the Mars Region11 June, 2009 Frequency Assignment Guidelines for Active Remote Sensing in the Mars RegionFrequency Assignment Guidelines for Active Remote Sensing in the Mars Region
REC 27-1R1Efficient Sectrum Utilization for Space Research Sservice, Deep Space (Category B), for Space-to-Earth Links in the 31.8-32.3 GHz Band15 June, 2011 Efficient Sectrum Utilization for Space Research Sservice, Deep Space (Category B), for Space-to-Earth Links in the 31.8-32.3 GHz BandEfficient Sectrum Utilization for Space Research Sservice, Deep Space (Category B), for Space-to-Earth Links in the 31.8-32.3 GHz Band
REC 29-1Efficient Sharing of the 25.5 - 27.0 GHz Band betwen EESS (s-E) and SRS (s-E)11 June, 2009 Efficient Sharing of the 25.5 - 27.0 GHz Band betwen EESS (s-E) and SRS (s-E)Efficient Sharing of the 25.5 - 27.0 GHz Band betwen EESS (s-E) and SRS (s-E)
REC 29-2Frequency Assignment Guidelines for Active Remote Sensing in the Lunar Region11 June, 2009 Frequency Assignment Guidelines for Active Remote Sensing in the Lunar RegionFrequency Assignment Guidelines for Active Remote Sensing in the Lunar Region
REC 29-3Emergency Communications for Manned Spaceflight11 June, 2009 Emergency Communications for Manned SpaceflightEmergency Communications for Manned Spaceflight
REC 30-1Use of Differential One Way Ranging Tones in the 8400 8450 MHz Band for Category-B SRS Missions15 June, 2011 Use of Differential One Way Ranging Tones in the 8400 8450 MHz Band for Category-B SRS MissionsUse of Differential One Way Ranging Tones in the 8400 8450 MHz Band for Category-B SRS Missions
REC 30-2Efficient Use of the 25.5 - 27.0 GHz Frequency Band by Future Earth Exploration-Satellite Systems and Space Research Satellite Systems15 June, 2011 Efficient Use of the 25.5 - 27.0 GHz Frequency Band by Future Earth Exploration-Satellite Systems and Space Research Satellite SystemsEfficient Use of the 25.5 - 27.0 GHz Frequency Band by Future Earth Exploration-Satellite Systems and Space Research Satellite Systems
REC 32-1Methodology for the Computation of Aggregate Interference from the High Density Fixed Service (HD) to a Deep-Space Earth Station in 37-38 GHz Band3 July, 2013 Methodology for the Computation of Aggregate Interference from the High Density Fixed Service (HD) to a Deep-Space Earth Station in 37-38 GHz BandMethodology for the Computation of Aggregate Interference from the High Density Fixed Service (HD) to a Deep-Space Earth Station in 37-38 GHz Band
REC 32-2R1Communication Frequency Allocations and Sharing in the Lunar Region14 June, 2016 Communication Frequency Allocations and Sharing in the Lunar RegionCommunication Frequency Allocations and Sharing in the Lunar Region
REC 32-3Protection Criteria for GSO Space Research Satellites in the 7190-7235 MHz Band3 July, 2013 Protection Criteria for GSO Space Research Satellites in the 7190-7235 MHz BandProtection Criteria for GSO Space Research Satellites in the 7190-7235 MHz Band
REC 33-1R1Protection of Space Research Links in the 8 400 – 8 450 MHz and 8 450 – 8 500 MHz Bands from Unwanted Emission of EESS (Active) Systems Operating around 9.6 GHz11 June, 2014 Protection of Space Research Links in the 8 400 – 8 450 MHz and 8 450 – 8 500 MHz Bands from Unwanted Emission of EESS (Active) Systems Operating around 9.6 GHzProtection of Space Research Links in the 8 400 – 8 450 MHz and 8 450 – 8 500 MHz Bands from Unwanted Emission of EESS (Active) Systems Operating around 9.6 GHz