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GB 11299.2-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 1: Measurements common to sub-systems and combinations of sub-systems; Section two:Measurements in the r.f. range (USD) via email in 1-3 business day VALID
GB/T 18214.1-2000 Global navigation satellite systems(GNSS)-Part 1:Global positioning system(GPS)-Receiver equipment-Performance STANDARDs,methods of testing and required test results (USD) via email in 1-3 business day VALID
GB/T 11298.2-1997 Methods of measurement for satellite television earth receive-only station Antenna measurement via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14618-2012 Frequency sharing criteria between line-of-sight radio-relay communications systems and space radio communications systems (USD) via email in 1-3 business day VALID
GB/T 4958.7-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2:Measurements for sub-systems-Section Seven Radio transmitters (USD) via email in 1-3 business day
GB/T 16982-1997 Technical requirements of INMARSAT STANDARD C ship earth station via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 12364-1990 Networking technical requirement for the domestic satellite communication systems (USD) via email in 1-3 business day ABOLISHED
GB 11299.1-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 1: Measurement common to sub-systems and combinations of sub-systems; Section one:General (USD) via email in 1-3 business day VALID
GB/T 4958.11-1988 Methods of measurement for equipment used in terestrial radio-relay systems-Part 3:Simulated systems-Section Three Measurements for monochrome and colour television transmission (USD) via email in 1-3 business day
GB/T 13856-1992 Specification for 4GHz band microwave service channel equipment via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 11299.15-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 3: Methods of measurement for combinations of sub-systems; Section five:Antenna tracking and control (USD) via email in 1-3 business day VALID
GB 11299.11-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 3: Methods of measurement for combinations of sub-systems; Section one:General (USD) via email in 1-3 business day VALID
GB/T 13858.1-1992 Specification for colour TV modulation and demodulation equipment(1TV+4 sound program)used in middle distance terrestrial analog radio-relay systems (USD) via email in 1-3 business day
GB/T 12752-1991 General specification for marine loran-C receiving equipment (USD) via email in 1-3 business day VALID
GB/T 11444.3-1989 Transmitter, receiver and ground communication equipment used in domestic satellite communication earth stations-Technical requirements-Part 3:Equipment for television/frequency modulation (USD) via email in 1-3 business day
GB/T 15296-1994 General specification of equipments for transportable satellite communication earth station via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 13859-1992 Performance and test methods of 30 channels pulse code modulation drop/insert equipment at 2048 kbit/s via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 9040-1988 General specifications for 4GHz 960 telephone channel/colour TV analog radio relay communication equipments (USD) via email in 1-3 business day ABOLISHED
GB/T 4958.6-1988 Methods of measurement for equipment used in terrestrial radio-relay systems-Part 2:Measurements for sub-systems-Section Five Frequency demodulators (USD) via email in 1-3 business day
GB/T 18766-2002 Technical requirements of chinese NAVTEX system via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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