1 Cross-reference between sharing scenarios and calculation methods Sharing scenarios of § 1.4 of Annex 1 Applicable Sections and Appendices to Annex 1 and Annex 2 § 1.4.1 Earth stations operating with geostationary space stations § 1.4.2 Earth stations operating with non- geostationary space stations(1) § 1.4.3 Earth stations operating with both geostationary and space stations § 1.4.4 Earth stations operating in bidirectionally allocated frequency bands § 1.4.5 service earth stations § 1.4.6 Mobile (except aeronautical mobile) earth stations § 1.4.7 Aeronautical mobile earth stations § 1.4.8 Transportable earth stations § 1.4.9 Fixed earth stations operated at unspecified locations within a specific service area § 1.3 Basic concepts X X X X X X X X X § 1.5 Propagation model concepts X X X X See § 1.4.1, § 1.4.2, § 1.4.3 or § 1.4.4 as applicable and § 1.6 See § 1.4.1, § 1.4.2, § 1.4.3 or § 1.4.4 as applicable and § 1.6 See § 1.4.1, § 1.4.2, § 1.4.3 or § 1.4.4 as applicable and § 1.6 See § 1.4.1, § 1.4.2, § 1.4.3 or § 1.4.4 as applicable and § 1.6 See § 1.4.1, § 1.4.2, § 1.4.3 or § 1.4.4 as applicable and § 1.6 § 1.6 The coordination contour: concepts and construction X X X X § 2.1 Earth stations operating with geostationary space stations X X § 2.2 Earth stations operating with space stations X X § 3 Determination of the coordination area between earth stations operating in bidirectionally allocated frequency bands X § 4 General considerations for the determination of the propagation mode (1) required distance X X X X § 5 General considerations for the determination of the propagation mode (2) required distance X X Appendix 1 Determination of the required distance for propagation mode (1) X X X X Broadcasting-
T K An equivalent thermal noise temperature Annex 2, § 2 W dB A thermal noise equivalence factor for interfering emissions in the reference bandwidth Annex 2, § 2 X(f) dB Nominal correction at frequency f 1, § 4.4 (f) dB/km Correction constant at frequency f 1, § 4.4  Exponent for determining the specific attenuation due to rain Appendix 2, § 3 TABLE 12 (end) Parameter Without subscript Without subscript With argument Definition Reference  degrees An azimuth angle measured at the coordinating earth station Appendices 3, 4 and 6  The path-dependent incidence of ducting Appendix 1, §3 e % The percentage of time for clear-air anomalous propagation conditions exist Annex 1, § 4.1 dB/km A specific attenuation Appendices 1 and 2 1 A parameter related to the path-dependent incidence of ducting Appendix 1, §3 2 dB Additional attenuation due to scatter outside the common volume Appendix 2, §3 d km The horizontal distance to the centre of the circular propagation mode (2) contour from the earth station, along the azimuth of the earth station main beam axis Annex 1, § 5 Appendix 2, § 4  degrees A difference in longitude measured from an earth station Appendices 3 and 4  degrees An elevation measured from the earth station location Appendices 2, 3 and 4 and Annex 2 degrees A parameter equal or related to the latitude of the earth station 1, § 4.1, Appendices 3 and 4 rad(1) The mean anomaly or its rate of rotation Appendix 4, § 3 d degrees An angle used in the construction of the propagation mode (2) auxiliary contour Appendix 7, § 2 M The wavelength of the interfering power Appendices 3 and 7 degrees(1) A longitude parameter or its rate of change Appendix 4, § 3  km3/s2 The Earth gravitational constant Appendix 4, § 3  A parameter used to determine Appendices 1, § 3