GB 12340-1990
Replaced
GB/T 20256-2006
Replaced
National standards
GB/T 20256-2006 Specifications for the gravimetry control
GB/T 20256-2006 Specifications for the gravimetry control
Basic Information
Standard Code:
GB/T 20256-2006
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Geodetic and oceanographic mapping
ICS Name:
Astronomy, geodesy, and geography
Publish Date:
2006-05-24
Implement Date:
2006-10-01
Pages:
45 pages
Scope
This standard specifies the principles of setting up national gravity control points (networks), measurement methods, measurement accuracy, data processing, quality management, and the submission of survey results, etc. This standard applies to the construction of the national gravity control network, and the measurement of reference points, basic points, first-order points, and corresponding reference points and second-order points.
Development Information
Superseded by the following standards
Referenced Standards
Related Standards
GB 12341-1990
Replaced
GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
GB/T 13605-1992
Abolished
GB/T 13605-1992 Coordinatograph
GB/T 13977-1992
Replaced
GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps
GB/T 13989-1992
Replaced
GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps
GB/T 13990-1992
Replaced