Representation of the area covered by GSM (2G) mobile communications around the world as of December 2016.
Purpose
The data is created from submissions, made directly to Collins Bartholomew or the GSMA from network operators, which provide roaming detail for inclusion in the GSMA's Roaming and Coverage Maps web application.
Map and Geospatial Information Center, Lewis Library, Princeton University
Delivery Point
Map and Geospatial Information Center, Lewis Library, Princeton University
City
Princeton
State
NJ
Postal Code
08544
Country
US
Contact Telephone
609-258-1097
Credit
Collins Bartholomew/GSMA
Native Data Set Environment
Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.2.0.3348
Spatial Data Organization Information
Direct Spatial Reference Method
Vector
Point and Vector Object Information
SDTS Terms Description
SDTS Point and Vector Object Type
GT-polygon composed of chains
Point and Vector Object Count
4926313
Spatial Reference Information
Horizontal Coordinate System Definition
Geographic
Latitude Resolution
8.983152841195215e-009
Longitude Resolution
8.983152841195215e-009
Geographic Coordinate Units
Decimal Degrees
Geodetic Model
Horizontal Datum Name
D WGS 1984
Ellipsoid Name
WGS 1984
Semi-major Axis
6378137.0
Denominator of Flattening Ratio
298.257223563
Entity and Attribute Information
Entity Type
Entity Type Label
Global_GSM_201612
Entity Type Definition
Representation of the area covered by mobile communications around the world.
Entity Type Definition Source
Collins Bartholomew
Attributes
FID
Internal feature number. (Sequential unique whole numbers that are automatically generated.)
Definition Source
ESRI
Shape
Feature geometry. (Coordinates defining the features.)
Definition Source
ESRI
CNTRY_CODE
A unique numerical code used in Collins Bartholomew databases to identify the country of network origin.
Definition Source
Collins Bartholomew
COUNTRY
Name in English, according to Collins Bartholomew databases, of country of network origin.
Definition Source
Collins Bartholomew
CNTRY_ISO
A unique numerical code, based on the ISO 3166-1 standard, for the country of network origin.
Definition Source
Collins Bartholomew
CNTRY_ISO2
A unique alpha-2 code, based on the ISO 3166-1 standard, for the country of network origin.
Definition Source
Collins Bartholomew
CNTRY_ISO3
A unique alpha-3 code, based on the ISO 3166-1 standard, for the country of network origin.
Definition Source
Collins Bartholomew
CNTRY_FIPS
A unique alpha-2 code, based on the FIPS 10-4 standard, for the country of network origin.
Definition Source
Collins Bartholomew
CNTRY_MC
The mobile country code used to identify mobile stations in wireless telephone networks.
Definition Source
Collins Bartholomew
SOURCE
Source of data.
Operator Submission
Polygon has been created directly from data submitted to Collins Bartholomew by a network operator.
Legacy_2009Q1
Polygon was compiled by the data provider prior to Collins Bartholomew’s involvement in this project, and Collins Bartholomew has been unable to verify the source.
Definition Source
Collins Bartholomew
CNTRY_COV
Specifies whether an area of a country's network coverage is within or outside that country.
Internal
Indicates that the network is within the country extent as defined by Collins Bartholomew's World Explorer vector data.
External
Indicates that the network is beyond the country boundary or coastline.
Definition Source
Collins Bartholomew
Shape_Leng
Perimeter of feature.
Definition Source
ESRI
Shape_Area
Area of feature. (Positive real numbers that are automatically generated.)
Definition Source
ESRI
Distribution Information
Name
Metadata Reference Information
Metadata Date
20170419
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Map and Geospatial Information Center, Lewis Library, Princeton University
Contact Address
Address
Map and Geospatial Information Center, Lewis Library, Princeton University
City
Princeton
State or Province
NJ
Postal Code
08544
Country
US
Contact Voice Telephone
609-258-1097
Metadata Standard Name
FGDC Content Standard for Digital Geospatial Metadata