CH 1001-1991 Active

CH 1001-1991 Mapmaking techniques summary preparation regulations

Publish Date: 1991-01-21

CH/T 8020-2009 Active

CH/T 8020-2009 Verification Procedure for Invar Barcode Level Gauges

Publish Date: 2009-06-09

CH/T 1028-2012 Active

CH/T 1028-2012 Technical Specification for Quality Inspection of Geometric Measurement Results

Publish Date: 2012-10-26

CH/Z 3005-2010 Abolished

CH/Z 3005-2010 Low-altitude digital aerial photography specification

Publish Date: 2010-08-24

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.

Publish Date: 2019-12-24

CH/T 9015-2012 Active

CH/T 9015-2012 Three-dimensional geographic information model data product specification

Publish Date: 2012-10-26

CH/Z 3001-2010 Active

CH/Z 3001-2010 Unmanned aerial vehicle (UAV) aerial survey basic requirements for safety operations

Publish Date: 2010-08-24

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.

Publish Date: 2019-12-24

CH/T 3011-2012 Active

CH/T 3011-2012 CH/T 3011-2012 1:50000 Topographic Mapping: Synthetic Aperture Radar Aerial Photogrammetry Technical Specification

Publish Date: 2012-10-26

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.

Publish Date: 2019-12-24

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

Publish Date: 2012-10-26

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.

Publish Date: 2019-12-24