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Start Over Author Collins Bartholomew Ltd Year 2009 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Global 2G Mobile Communications Network Coverage, 2009

Datasets Stanford University Restricted content
2009. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 2G mobile communications networks around the world in 2009. The data is created... Collins Bartholomew Ltd.

2. Global 3G Mobile Communications Network Coverage, 2009

Datasets Stanford University Restricted content
2009. Collins Bartholomew Ltd. This polygon shapefile is a representation of the coverage area for 3G mobile communications networks around the world in 2009. The data is created... Collins Bartholomew Ltd.

3. Global 4G Cellular Towers, 2013

Datasets Stanford University Restricted content
2009. Collins Bartholomew Ltd. This point shapefile contains locations of 4G mobile cellular towers around the world for 2013. The data is created from submissions made directly ... Collins Bartholomew Ltd.