2025-12-21 10.8.118.215
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 12650-1990 Performance requirements and methods of testing for OMEGA system and differential OMEGA system receiving equipments for ships 410.0 via email in 1~3 business day abolished2005-10-14 ,,1991-10-1
GB/T 12639-1990 Methods of in-orbit testing for communication satellite payload performances 270.0 via email in 1~3 business day superseded,2022-3-1,1991-10-1
GB/T 12572-1990 Frequency tolerance for transmitter 160.0 via email in 1~3 business day abolished2009-01-01,2009-1-1,1991-10-1
GB/T 12563-1990 Requirements of terrestrial interface for domestic satellite communications earth stations 180.0 via email in 1~3 business day valid,,1991-10-1
GB/T 12566-1990 Interface for signal chain of sound and television broadcasting transmitting equipments 110.0 via email in 1~3 business day valid,,1991-10-1
QJ 2454-1993 90.0 via email in 1~3 business day valid,,1991-6-10
GB 12449-1990 Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment 180.0 via email in 1~3 business day valid,,1991-5-1
GB/T 12364-1990 Networking technical requirement for the domestic satellite communication systems 250.0 via email in 1~3 business day superseded,2008-5-1,1991-3-1
GB/T 12185-1990 General specification for exciter used to MW AM broadcast transmitter 120.0 via email in 1~3 business day abolished2017-12-15,,1990-8-1
GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services 460.0 via email in 1~3 business day abolished2018-07-01,2018-7-1,1990-8-1
GB/T 12192-1990 Methods of measurement for radio transmitters employing F3E emission used in the mobile services 480.0 via email in 1~3 business day superseded2018-07-01,2018-7-1,1990-8-1
GB/T 12046-1989 Designation of radio emissions and determination of necessary bandwidths 250.0 via email in 1~3 business day abolished2009-01-01,2009-1-1,1990-7-1
GB/T 11443.1-1989 Domestic satellite communication earth stations-General technical requirements-Part 1: Common performance 120.0 via email in 1~3 business day valid,,1990-3-1
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 mod 210.0 via email in 1~3 business day valid,,1990-3-1
GB 11443.1-1989 Domestic satellite communication earth stations-General technical requirements-Part 1:Common performance 150.0 via email in 1~3 business day valid,,1990-3-1
GB/T 11443.4-1989 Domestic satellite communication earth stations-Gereral technical requirements-Part 4:Television/frequency modulation carrier channel 160.0 via email in 1~3 business day valid,,1990-3-1
GB 11411-1989 Technical specifications and operational requirements for the systems of promulgation of navigational and meteorological warnings and urgent information 180.0 via email in 1~3 business day superseded,2009-11-1,1990-2-1
GB 11410-1989 Technical bases of HFBC coverage 240.0 via email in 1~3 business day valid,,1990-2-1
GB 11299.10-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 2: Measurements for sub-systems; Section ten:High-power amplifier 90.0 via email in 1~3 business day valid,,1990-1-1
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 210.0 via email in 1~3 business day valid,,1990-1-1
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GB/T 12650-1990 Performance requirements and methods of testing for OMEGA system and differential OMEGA system receiving equipments for ships 
  Issued on: 1990-01-02   Price(USD): 410.0
GB/T 12639-1990 Methods of in-orbit testing for communication satellite payload performances 
  Issued on: 1990-1-2   Price(USD): 270.0
GB/T 12572-1990 Frequency tolerance for transmitter 
  Issued on: 1990-01-02   Price(USD): 160.0
GB/T 12563-1990 Requirements of terrestrial interface for domestic satellite communications earth stations 
  Issued on: 1990-1-2   Price(USD): 180.0
GB/T 12566-1990 Interface for signal chain of sound and television broadcasting transmitting equipments 
  Issued on: 1990-1-2   Price(USD): 110.0
QJ 2454-1993  
  Issued on: 1993-03-20   Price(USD): 90.0
GB 12449-1990 Interface for using dedicated interconnections between sound and television broadcasting transmitting equipment and supervisory equipment 
  Issued on: 1990-8-2   Price(USD): 180.0
GB/T 12364-1990 Networking technical requirement for the domestic satellite communication systems 
  Issued on: 1990-06-16   Price(USD): 250.0
GB/T 12185-1990 General specification for exciter used to MW AM broadcast transmitter 
  Issued on: 1990-2-1   Price(USD): 120.0
GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services 
  Issued on: 1990-02-01   Price(USD): 460.0
GB/T 12192-1990 Methods of measurement for radio transmitters employing F3E emission used in the mobile services 
  Issued on: 1990-2-1   Price(USD): 480.0
GB/T 12046-1989 Designation of radio emissions and determination of necessary bandwidths 
  Issued on: 1989-12-29   Price(USD): 250.0
GB/T 11443.1-1989 Domestic satellite communication earth stations-General technical requirements-Part 1: Common performance 
  Issued on: 1989-6-10   Price(USD): 120.0
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 mod 
  Issued on: 1989-6-10   Price(USD): 210.0
GB 11443.1-1989 Domestic satellite communication earth stations-General technical requirements-Part 1:Common performance 
  Issued on: 1989-06-10   Price(USD): 150.0
GB/T 11443.4-1989 Domestic satellite communication earth stations-Gereral technical requirements-Part 4:Television/frequency modulation carrier channel 
  Issued on: 1989-06-10   Price(USD): 160.0
GB 11411-1989 Technical specifications and operational requirements for the systems of promulgation of navigational and meteorological warnings and urgent information 
  Issued on: 1989-07-04   Price(USD): 180.0
GB 11410-1989 Technical bases of HFBC coverage 
  Issued on: 1989-07-04   Price(USD): 240.0
GB 11299.10-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 2: Measurements for sub-systems; Section ten:High-power amplifier 
  Issued on: 1989-03-01   Price(USD): 90.0
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 
  Issued on: 1989-03-01   Price(USD): 210.0
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