ITU-R S 1253-1997 Technical Options to Facilitate Coordination of Fixed-Satellite Service Networks in Certain Orbital Arc Segments and Frequency Bands《在特定轨道弧度段和频段内为促进固定卫星业务网络协调的技术选.pdf
《ITU-R S 1253-1997 Technical Options to Facilitate Coordination of Fixed-Satellite Service Networks in Certain Orbital Arc Segments and Frequency Bands《在特定轨道弧度段和频段内为促进固定卫星业务网络协调的技术选.pdf》由会员分享,可在线阅读,更多相关《ITU-R S 1253-1997 Technical Options to Facilitate Coordination of Fixed-Satellite Service Networks in Certain Orbital Arc Segments and Frequency Bands《在特定轨道弧度段和频段内为促进固定卫星业务网络协调的技术选.pdf(1页珍藏版)》请在麦多课文档分享上搜索。
1、 - - STD-ITU-R RECMN S.1253-ENGL 1997 4855232 0530352 T73 Rec. ITU-R S.1253 1 RECOMMENDATION ITU-R S.1253 TECHNICAL OPTIONS TO FACILITATE COORDINATION OF FIXED-SATELLITE SERVICE NETWORKS IN CERTAIN ORBITAL ARC SEGMENTS AND FREQUENCY BANDS (Question IT-R 23014) (1 997) The ITU Radiocommunication Asse
2、mbly, considering a) that the IT-R has been studying the efficient use of the geostationary-satellite orbit (GSO) for many years; b) that the IT-R has adopted a number of Recommendations to promote the efficient use of the GSO; c) that in some coordination circumstances, especially in some regions o
3、f the orbital arc and in some frequency bands, it may be necessary to empioy technical criteria additional to currently recommended criteria in order to complete a successful satellite coordination; 4 that in some coordination circumstances it may be necessary to employ new technical constraints in
4、order to achieve a successful satellite coordination; e) that it may be appropriate to apply different technical constraints in different orbital arc segments and frequency bands based upon the degree of use and type of application; f) the large number of Appendix 4 to the Radio Regulations submissi
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