GB/T 23709-2009 (English Version) PDF

Standard No.: GB/T 23709-2009
Language: Chinese, Available in English version
Release Date: 2009
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 23709-2009

Scope: This standard stipulates the precision, surveying principles, data processing, precision inspection and other contents of quasi-geoid refinement in national, provincial and urban areas in my country. This standard is applicable to the refinement of quasi-geoid in my country's national, provincial and urban areas.

GB/T 23709-2009 Referenced Document

CH 1002 Specifications for inspection and acceptance of surveying and mapping products
CH 1003 Standard for quality assessment of surveying and mapping products
CH/T 1004 General rules for technical design of surveying and mapping
GB/T 12897 Specifications for the first and second order leveling
GB/T 12898 Specifications for the third and fourth order leveling
GB/T 17944 Specifications for the dense gravity measurement*， 2018-12-28 Update
GB/T 18314 Specifications for global positioning system(GPS)surveys