GB/T 46932-2025 Technical specifications for civil aviation BDS timing system

GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products—Test Ca:Damp heat, steady state GB/T 2423.3-2006 Environmental testing for electric and electronic products—Part 2:Testing method—Test Cab:Damp heat, steady state GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab:Damp heat,steady state GB/T 2423.21-1991 Basic environmental testing procedures for electric and electronic products—Test M:Low air pressure GB/T 2423.21-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test M:Low air pressure GB/T 2423.37-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test L:Dust and sand GB/T 2423.38-1990 Basic environmental test procedures for electric and electronic products Test R:Water test method GB/T 2423.38-2005 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test R:Water test method and guidance GB/T 2423.38-2021 Environmental testing—Part 2:Test methods—Test R:Water test method and guidance GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 5080.7-1986 Equipment reliability testing Compliance test plans for failure rate and mean time between failures assuming constant failure rate GB/T 26866-2011 Testing specifications of time synchronism systems for power system GB/T 26866-2022 Testing specifications of power time synchronism systems GB/T 37937-2019 Technical requirements for BDS timing terminal GB/T 37943-2019 Test methods for BDS timing terminal YD/T 2868-2020 The measurement method for passive antennas in mobile communication systems YD/T 2868-2015 Method for Measurement of Passive Antenna in Mobile Communication System GB/T 2423.21-2025 Environmental testing—Part 2:Test methods—Test M:Low air pressure