查看完整版本: ITUR M.1229-0

pps3000 2006-11-22 10:29

ITUR M.1229-0

02-1997 Performance objectives for the digital aeronautical mobile-satellite service (AMSS) channels operating in the bands 1 525 to 1 559 MHz and 1 626.5 to 1 660.5 MHz not forming part of the ISDN
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查看完整版本: ITUR M.1229-0