GEOID99 Data for CONUS: ASCII format
Graphical Interface- click on the desired image grid
Non-graphical Interface- click on the desired file
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All grids are 1141 columns by 1081 rows and are 12,488,896 bytes in size when uncompresse
- Grid
#1 (58 - 40 N & 230 - 249 E)
3,887,330 bytes (compressed)
- Grid
#2 (58 - 40 N & 247 - 266 E)
3,961,605 bytes (compressed)
- Grid
#3 (58 - 40 N & 264 - 283 E)
3,764,863 bytes (compressed)
- Grid
#4 (58 - 40 N & 281 - 300 E)
4,111,001 bytes (compressed)
- Grid
#5 (42 - 24 N & 230 - 249 E)
3,854,393 bytes (compressed)
- Grid
#6 (42 - 24 N & 247 - 266 E)
3,969,336 bytes (compressed)
- Grid
#7 (42 - 24 N & 264 - 283 E)
3,746,713 bytes (compressed)
- Grid
#8 (42 - 24 N & 281 - 300 E)
3,945,913 bytes (compressed)