查看完整版本: ITUR M.1230-0

pps3000 2006-11-22 10:30

ITUR M.1230-0

02-1997 Performance objectives for space-to-Earth links operating in the mobile-satellite service with non-geostationary satellites in the 137-138 MHz band
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查看完整版本: ITUR M.1230-0