Science services

Number Category Group Title

101-2/7

(S3) WP7A

Performance and reliability of frequency standards and their use in time-scales  
Note - Suppressed on 19/10/07 (RA-07)

102-2/7

(S2) WP7A

Terrestrial standard-frequency and time-signal dissemination  
Note - Suppressed on 19/10/07 (RA-07)

104-2/7

(S3) WP7A

Stability of standard-frequency and time-signal emissions as received  
Note - Suppressed on 19/10/07 (RA-07)

110-2/7

(S2) WP7A

Time codes  

111-1/7

(S2) WP7A

Signal delays in antennas and other circuits and their calibration for high-accuracy time transfer  

118-2/7

(S2) WP7B

Factors which affect frequency sharing between data relay satellite systems and systems of other services  

129-3/7

(S2) WP7B/WP7C/WP7D

Unwanted emissions radiated from and received by stations of the science services  

139-4/7

(S2) WP7B

Data transmission for Earth exploration-satellite systems  

141-4/7

(S2) WP7B

Data transmission for meteorological satellite systems  

145-2/7

(S2) WP7D

Technical factors involved in the protection of radioastronomical observations  

146-2/7

(S2) WP7D

Criteria for evaluation of interference to radio astronomy  

149-1/7

(S2) WP7D

Frequency utilization on the far side of the Moon  

152-2/7

(S2) WP7A

Standard frequencies and time signals from satellites  

201-2/7

(S2) WP7A

Two-way time and frequency transfer through communication satellites  
Note - Suppressed on 19/10/07 (RA-07)

202-1/7

(S2) WP7B

Protection criteria and frequency sharing between space very long baseline interferometry and other space research systems  
Note - Suppressed on 18/02/11 (CACE/527)

203-1/7

(S2) WP7B

Characteristics and telecommunication requirements for space very long baseline interferometry  
Note - Suppressed on 18/02/11 (CACE/527)

205/7

(S2) WP7D

Radio observations of pulsars  
Note - Suppressed on 19/10/07 (RA-07)

206-1/7

(S2) WP7A

Frequency comparisons of remotely located standards at the 10-15 level of uncertainty  
Note - Suppressed on 19/10/07 (RA-07)

207-3/7

(S2) WP7A

Time and frequency transfer using digital communication links  

211/7

(S2) WP7B

Frequency sharing between the space research service and other services in the 37-38 GHz and 40-40.5 GHz bands  

213-1/7

(C1) WP7C

Compatibility of spaceborne active sensors and systems in the services allocated above the band 5 250-5 460 MHz  
Note - Suppressed on 19/10/07 (RA-07)

215-1/7

(C2) WP7C

Frequency sharing between Earth exploration-satellite systems (passive), space research systems (passive) and systems in the fixed, mobile and fixed-satellite services in the band 18.6-18.8 GHz  
Note - Suppressed on 19/10/07 (RA-07)

218-1/7

(S2) WP7C

Frequency sharing between active sensor systems in the Earth exploration-satellite service and systems operating in other services at around 440 MHz and 5 300 MHz  
Note - Suppressed on 19/10/07 (RA-07)

219/7

(C1) WP7B

Space operation and space research services frequency bands for telecommand links in the range 100 MHz to 1 GHz  
Note - Suppressed on 19/10/07 (RA-07)

221/7

(S2) WP7C

Preferred frequency bands and protection criteria for space research service observations (passive)  

222-2/7

(S2) WP7B

Radio links between earth stations and lunar and planetary missions by means of lunar and/or planetary data relay satellites  

223/7

(S2) WP7A

The role of differential GPS networks in timing applications  
Note - Suppressed on 18/02/11 (CACE/527)

224/7

(S3) WP7A

Algorithms for ensemble time scales and measurement systems  
Note - Suppressed on 19/10/07 (RA-07)

226-1/7

(S2) WP7D

Frequency sharing between the radio astronomy service and other services in bands above 70 GHz  

229/7

(C2) WP7C

Frequency sharing between the Earth exploration-satellite service (passive) and airborne altimeters in the aeronautical radionavigation service in the band 4 200-4 400 MHz  
Note - Suppressed on 04/03/09 (CACE/473)

230-1/7

(S2) WP7D

Preferred frequency bands and protection criteria for radio astronomy measurements in space  

231/7

(S2) WP7C

Earth exploration-satellite service (active) and space research service (active) operating above 100 GHz  

232-1/7

(S2) WP7C

Frequency sharing between spaceborne passive sensors and other services in the bands 10.60-10.68 GHz, 31.5-31.8 GHz and 36-37 GHz  
Note - Suppressed on 17/10/12 (CACE/590 )

233/7

(S1) WP7C

Sharing conditions between active sensor systems in the Earth exploration-satellite service and systems operating in other services around 35.5-36.0 GHz  
Note - Suppressed on 19/10/07 (RA-07)

234/7

(S2) WP7C

Frequency sharing between active sensor systems in the Earth exploration-satellite service and systems operating in other services in the 1 215-1 300 MHz band  

235-1/7

(S2) WP7B/WP7C/WP7D

Technical and operational characteristics of applications of science services operating above 275 GHz  
Note - Suppressed on 17/10/12 (CACE/590 )

236-1/7

(C1) WP7A

The future of the UTC time scale  

237/7

(S2) WP7D

Technical and operational factors relating to interference mitigation practices at radio astronomy stations  

238/7

(S2) WP7A

Trusted time source for time stamp authority  

239/7

(S2) WP7A

Instrumentation time codes  

240/7

(S1) WP7B

Necessary criteria and calculation method for establishing coordination requirements relating to space research and Earth exploration-satellite applications in a space-to-space network composed of a space station on a geostationary satellite and a space station on a non-geostationary satellite in the bands 22.55-23.55 GHz and 25.25-27.5 GHz  
Note - Suppressed on 19/10/07 (RA-07)

241/7

(S2) WP7D

Frequency bands and protection criteria for radio astronomy observations from space  
Note - Suppressed on 19/10/07 (RA-07)

242/7

(S2) WP7D

Radio quiet zones  

243/7

(S2) WP7C

Characterization of technical parameters and interference effects and possible interference mitigation techniques for passive sensors operating in the Earth exploration-satellite service (passive)  
Note - Suppressed on 20/01/12 (RA-12)

244/7

(S2) WP7A

Interference between standard frequency and time signal services operating between 20 and 90 kHz  

245/7

(S2) WP7A

Interference to the standard frequency and time signal service in the low-frequency band caused by noise from electrical sources  

246/7

(S2) WP7B

Future bandwidth requirements for the space research service (deep space)  

247/7

(S2) WP7B

Emergency radiocommunications for human space flight  

248/7

(S2) WP7A

Timing Information from Global Navigation Satellite Systems (GNSS) and their augmentations  

249/7

(S2) WP7A

Time and frequency information from "enhanced" LOng Range Aid to Navigation (eLORAN)  

250/7

(S2) WP7A

Application and improvement of two-way satellite time and frequency transfer (TWSTFT)  

251/7

(S2) WP7C

Ground-based passive sensors  

252/7

(S2) WP7D

Parameters needed for the registration of distributed radio astronomy systems  

253/7

(S2) WP7A

Relativistic effects in the transfer of time and frequency in the vicinity of the Earth and in the solar system  

254/7

(C2) WP7B

Characteristics and spectrum requirements of satellite systems using nano and pico satellites  

255/7

(S1) WP7C

Detection and resolution of radio frequency interference to Earth exploration-satellite service (passive) sensors