RECOMMENDATION ITU-R SA.1071 * - USE OF THE 13.75 TO 14.0 GHz BAND BY THE SPACE SCIENCE SERVICES
ANNEX 1 - Current and future use of the 13.75-14.0 GHz band by the space science services
1. Introduction
2. Scatterometers
    2.1 Use of the 13.75-14.00 GHz band for scatterometers
    2.2 Bandwidth requirements
    2.3 Feasibility of using other bands
    2.4 Long-term need for operation around 14 GHz for scatterometers
3. Altimeters
    3.1 Use of the 13.75-14.0 GHz band for altimeters
    3.2 Bandwidth requirements
    3.3 Feasibility of using other bands
    3.4 Continued need for frequencies around 14 GHz for altimeters
4. Data relay satellite networks
    4.1 Use of the 13.75-14 GHz band
    4.2 Bandwidth requirements
    4.3 Feasibility of using other bands
    4.4 Continued need for the 13.75-14 GHz band
5. Precipitation radars (PR)
    5.1 The use of 13.75-14 GHz band by PR
    5.2 Bandwidth requirement
    5.3 Feasibility of using other bands
    5.4 Continued need for operation around 14 GHz
6. Summary and conclusions
ANNEX 2 - Permissible levels of interference in space science systems that use the 13.75-14 GHz band
1. Introduction
2. Altimeters
3. Scatterometers
4. Precipitation radars
5. Data relay satellite systems
ANNEX 3 - Feasibility of operating space science systems and FSS uplinks in the 13.75-14 GHz band
1. Introduction
2. Interference to active sensors
    2.1 Altimeters
    2.2 Scatterometers
    2.3 Precipitation radars
3. Interference to data relay satellite systems
4. Interference to geostationary FSS satellites
    4.1 Orbit separation for the United States of America tracking and data relay satellite (TDRS)
    4.2 Power flux-density levels at the geostationary-satellite orbit