60 F 239 AP8-9 (PDF version only) AP8-9 (PDF version only) La distance entre une station terrienne et un La distance entre une station terrienne et un a) d a) d satellite géostationnaire est donnée par la formule: satellite géostationnaire est donnée par la formule: 61 ALL 240 AP8-10 AP8-10 a) for values of 4 (maximum gain 48 dB a) for values of 4 (maximum gain 48 dB ≥ ≥ approximately): approximately): … … b) for values of < (maximum gain 48 dB 4 4 b) for values of < 100 (maximum gain 48 dB ≥ ≥ approximately): approximately): ... .... ________________ ________________ 4 4 In cases where is not given, it may be estimated In cases where is not given, it may be estimated from the expression 20 log 7.7, where Gmax from the expression 20 log 7.7, where ≈ − Gmax Gmax ≈ − is the main lobe antenna gain (dB). Gmax is the main lobe antenna gain (dB). 62 E, C 241 AP8-11 AP8-11 G(φ) = 10 log for 48°≤ G(φ) = 10 10 log for 48°≤ −10 − φ ≤180° − φ ≤180° 63 E, A, S, F, 242 AP8-12 AP8-12 R 2 data 2 Input data The values of the network parameters given in the The values of the network parameters given in the table table below are derived from those published in below are derived from those published in accordance accordance with Appendix 4. with Appendix 4. AP17-6 AP17-6 64 C 272 000 500 000 500 d) d) e) e)
60 F 239 AP8-9 (PDF version only) a) La distance d entre une station terrienne et un satellite géostationnaire est donnée par la formule: AP8-9 (PDF version only) a) La distance d entre une station terrienne et un satellite géostationnaire est donnée par la formule: 61 ALL 240 AP8-10 a) for values of 4 (maximum gain ≥ 48 dB approximately): … b) for values of < 4 (maximum gain ≥ 48 dB approximately): ... ________________ 4 In cases where is not given, it may be estimated from the expression 20 log ≈ Gmax − 7.7, where Gmax is the main lobe antenna gain (dB). AP8-10 a) for values of 4 (maximum gain ≥ 48 dB approximately): … b) for values of < 100 4 (maximum gain ≥ 48 dB approximately): .... ________________ 4 In cases where is not given, it may be estimated from the expression 20 log ≈ Gmax − 7.7, where Gmax is the main lobe antenna gain (dB). 62 E, C 241 AP8-11 G(φ) = −10 − 10 log for 48°≤ φ ≤180° AP8-11 G(φ) = 10 − 10 log for 48°≤ φ ≤180° 63 E, A, S, F, R 242 AP8-12 2 data The values of the network parameters given in the table below are derived from those published in accordance with Appendix 4. AP8-12 2 Input data The values of the network parameters given in the table below are derived from those published in accordance with Appendix 4. 64 C 272 AP17-6 000 500 d) e) AP17-6 000 500 d) e)