1. Hypothetical reference circuit
| Former Recommendation ITU-R F.390 | Definitions of terms and references concerning hypothetical reference circuits and hypothetical reference digital paths for radio-relay systems
Suppressed on 10/10/07 (CACE/435) |
| Former Recommendation ITU R F.391 | Hypothetical reference circuit for radio-relay systems for telephony using frequency-division multiplex with a capacity of 12 to 60 telephone channels
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU-R F.392 | Hypothetical reference circuit for radio-relay systems for telephony using frequency-division multiplex with a capacity of more than 60 telephone channels
Suppressed on 10/10/07 (CACE/435) |
2. Allowable noise power and availability
| Former Recommendation ITU-R F.393 | Allowable noise power in the hypothetical reference circuit for radio-relay systems for telephony using frequency-division multiplex
Suppressed on 10/10/07 (CACE/435) |
| Former Recommendation ITU R F.395 | Noise in the radio portion of circuits to be established over real radio-relay links for FDM telephony
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU-R F.555 | Permissible noise in the hypothetical reference circuit of radio-relay systems for television
Suppressed on 10/10/07 (CACE/435) |
| Recommendation ITU-R F.557-4(1) | Availability objective for radio relay systems over a hypothetical reference circuit and a hypothetical reference digital path |
Note (1): The latest version of Recommendation ITU-R F.557 focusing on digital systems is still valid.
3. Radio-frequency channel arrangements (2)
| Former Recommendation ITU-R F.283 | Radio-frequency channel arrangements for low and medium capacity analogue or digital radio-relay systems operating in the 2 GHz band
Suppressed on 10/10/07 (CACE/435) |
| Former Recommendation ITU R F.389 | Preferred characteristics of auxiliary radio-relay systems operating in the 2, 4, 6 or 11 GHz bands
Suppressed on 06/06/03 (RA-03) |
Note (2) – The old versions of many F-series Recommendations on radio-frequency channel arrangements also deal with analogue radio-relay systems.
4. Characteristics at radio, intermediate and baseband frequencies
| Former Recommendation ITU R F.268 | Interconnection at audio frequencies of radio-relay systems for telephony
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.270 | Interconnection at video signal frequencies of radio-relay systems for television
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.275 | Pre-emphasis characteristic for frequency modulation radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.276 | Frequency deviation and the sense of modulation for analogue radio-relay systems for television
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.306 | Procedure for the international connection of radio-relay systems with different characteristics
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.380 | Interconnection at baseband frequencies of radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.381 | Conditions relating to line regulating and other pilots and to limits for the residues of signals outside the baseband in the interconnection of radio-relay and line systems for telephony
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.402 | The preferred characteristics of a single sound channel simultaneously transmitted with a television signal on an analogue radio-relay system
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.403 | Intermediate frequency characteristics for the interconnection of analogue radio-relay systems
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.404 | Frequency deviation for analogue radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.405 | Pre-emphasis characteristics for frequency modulation radio-relay systems for television
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.463 | Limits for the residues of signals outside the baseband of radio-relay systems for television
Suppressed on 06/06/03 (RA-03) |
| Recommendation ITU R F.1777 (3) | System characteristics of television outside broadcast, electronic news gathering and electronic field production in the fixed service for use in sharing studies |
Note (3) – This Recommendations partly deals with analogue systems as well as digital systems.
5. Maintenance
| Former Recommendation ITU R F.290 | Maintenance measurements on radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.305 | Stand-by arrangements for radio-relay systems for television and telephony
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.398 | Measurements of noise in actual traffic over radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.399 | Measurement of noise using a continuous uniform spectrum signal on frequency-division multiplex telephony radio-relay systems
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.400 | Service channels to be provided for the operation and maintenance of radio-relay systems
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.401 | Frequencies and deviations of continuity pilots for frequency modulation radio-relay systems for television and telephony
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.444 | Preferred characteristics for multi-line switching arrangements of analogue radio-relay systems
Suppressed on 06/06/03 (RA-03) |
6. Trans-horizon radio-relay systems (4)
| Recommendation ITU-R F.302-3 | Limitation of interference from trans-horizon radio-relay systems |
| Former Recommendation ITU R F.388 | Radio-frequency channel arrangements for transhorizon radio-relay systems
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.396 | Hypothetical reference circuit for trans-horizon radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.397 | Allowable noise power in the hypothetical reference circuit of trans-horizon radio-relay systems for telephony using frequency-division multiplex
Suppressed on 06/06/03 (RA-03) |
| Former Recommendation ITU R F.593 | Noise in real circuits of multi-channel trans-horizon FM radio-relay systems of less than 2 500 km
Suppressed on 06/06/03 (RA-03) |
| Recommendation ITU-R F.698-2 | Preferred frequency bands for trans-horizon radio-relay systems |
Note (4) – Some of these Recommendations on trans-horizon radio-relay systems deal with digital systems as well as analogue radio-relay systems.
