Space;
and;
Upper;
Atmosphere;
Research;
Commission,;
Karachi;
75270,;
Pakistan;
Meteorological;
Institute;
of;
Belgium,;
Dorbes;
B-5670,;
Belgium;
Geological;
Survey,;
Edinburgh;
EH9;
3LA,;
UK;
巴基斯坦; 地磁台; 天文台; 地质调查局; 观测站; 高层大气; 仪器设置; 伊斯兰堡;