Standards
Current Category: CN-CH - Surveying and mapping
CH 1001-1991
Active
CH/T 8020-2009
Active
CH/T 8020-2009 Verification Procedure for Invar Barcode Level Gauges
CH/T 1028-2012
Active
CH/T 1028-2012 Technical Specification for Quality Inspection of Geometric Measurement Results
CH/Z 3005-2010
Abolished
CH/Z 3005-2010 Low-altitude digital aerial photography specification
CH/T 1048-2019
Active
CH/T 1048-2019 "The Vocational Classification and Ability Evaluation of Surveying and Mapping Geospatial Information Skilled Personnel"
This standard applies to the professional classification, professional competence evaluation, and management of surveying and mapping geographic information professionals.
CH/T 9015-2012
Active
CH/T 9015-2012 Three-dimensional geographic information model data product specification
CH/Z 3001-2010
Active
CH/Z 3001-2010 Unmanned aerial vehicle (UAV) aerial survey basic requirements for safety operations
CH/T 6009-2019
Active
CH/T 6009-2019 "Pipeline Surveying Engineering Supervision Regulations"
This regulation applies to the supervision work of pipeline mapping projects.
CH/T 3011-2012
Active
CH/T 3011-2012 CH/T 3011-2012 1:50000 Topographic Mapping: Synthetic Aperture Radar Aerial Photogrammetry Technical Specification
CH/T 4024-2019
Active
CH/T 4024-2019 "Technical Specification for Urban Government Electronic Map Update"
This standard applies to the updating work of urban government electronic maps.
CH/T 2011-2012
Active
CH/T 2011-2012 The Technical Specification for the Operation and Maintenance of Continuously Operating Reference Stations of Global Navigation Satellite Systems
CH/T 3023-2019
Active
CH/T 3023-2019 "Technical Specification for Quality Inspection of Airborne LiDAR Data Acquisition Results"
This standard applies to the quality inspection and evaluation of point cloud data obtained during the aerial laser radar data acquisition phase in basic mapping, as well as IMU/GNSS data and digital image data obtained simultaneously. Other engineering applications of aerial laser radar data acquisition can be implemented with reference to this standard.