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General Authority for Survey and Geospatial Information
About
Establishing GASGI
Board of Directors
What we do
Geodesy and Land Survey
Topographic Information Production
Hydrography
Geospatial Information Dissemination
National Project
Production Projects
First Project
Second Project
Third Project
Fourth Project
Fifth Project
Hydrography projects
First Hydrography Project
Second Hydrography Project
Third Hydrography Project
Fourth Hydrography Project
Fifth Hydrography Project
Seventh Hydrography Project
Project of producing nautical chart in Saudi marine waters
Project to establish tide monitoring stations on the coasts of Saudi Arabia
Project to establish floating monitoring stations
National Geospatial Strategy
Geospatial Information - supportive and enabling to achieve the objectives of Vision 2030
Sustainable Development Goals
Products
Currently selected
National Geodetic Infrastructure
SANSRS
About SANSRS
KSA-GRF
KSA-VRF
KSA-GEOID
KSA-CORS
National Gravity Network
National Vertical Network
Geodetic Tools
FAQ
FAQ about KSA-GRF
FAQ about KSA-VRF
FAQ about KSA-GEOID
FAQ about KSA-CORS
General Maps
Road Map
Sacred Sites Map
General Map of the KSA(1:10,000,000)
General Plastic Relief map of the Kingdom of Saudi Arabia
International Land Borders of Saudi Arabia
Base Maps
Topographic Map 1:250,0000
1:50,000 scale Topographic Map
1:25,000 scale Topographic Map
Digital Elevation Models
Digital Elevation Models
Hydrographic Charts
Chart of King Abdullah Port (Paper nautical chart)
Chart of Approaches to King Abdullah Port (Paper Nautical Chart)
Chart of Al Qumriyah Island to Ra's Dhalamah (Paper Nautical Chart)
Chart of Ra's Dhalamah to Sharm Abhur (Paper Nautical Chart)
Index Charts
Image Maps
Ortho Image - 1:50,000 scale extent
Ortho Image - 1:25,000 scale extent
Terms and Conditions for Granting Business Permits
Saudi Tide Tables
Saudi Tidal Current Tables
KSA Geospatial Standards Overview
E-Services
Romanization
Online GRF Transformation Service
Online VRF Transformation Service
Online GEOID Height Calculation Service
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Geodetic Tools
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Products
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National Geodetic Infrastructure
Page Content
KSA-GRF Transformation Tool (TT)
Transformation Tool for Vertical Reference Frame and Geoid Heights
KSA-Geoid21 Height Values
Calculator Tool
KSA-GRF17 - National Geodetic Reference Profile for GIS Software Users
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SANSRS
About SANSRS
KSA-GRF
KSA-VRF
KSA-GEOID
KSA-CORS
National Gravity Network
National Vertical Network
Geodetic Tools
Currently selected
FAQ
FAQ about KSA-GRF
FAQ about KSA-VRF
FAQ about KSA-GEOID
FAQ about KSA-CORS
Marine Scientific Research
National Geospatial Platform