| Map Name | type | detail (meters) | dist to center (mi) | hcentered(%) | vcentered (%) | "quality" | display map |
| Relief World Map | 0 | 5000 | Click here | ||||
| APRSworld | APRSworld | 4 | 0 | 5 | Click here | ||
| chicago.pdb | PocketAPRS | 10 | 4.1 | 13.8 | 5.3 | 10 | Click here |
| ilcookco.mp | APRSdos | 23 | 10.5 | 51.7 | 0.6 | 540 | Click here |
| ilneast.mp | APRSdos | 29 | 13.3 | 43.2 | 25.0 | 546 | Click here |
| ilnorth.mp | APRSdos | 64 | 38.7 | 63.5 | 19.7 | 1216 | Click here |
| iailinmo.mp | APRSdos | 221 | 109.6 | 54.8 | 7.8 | 1921 | Click here |
| nexrad/rad_mkx.geo | NWSRadar | 500 | 68.0 | 37.1 | 87.0 | 1370 | NEXRAD DOUSMAN,WI |
| nexrad/rad_lot.geo | NWSRadar | 500 | 16.7 | 0.2 | 22.4 | 1370 | NEXRAD ROMEOVILLE,IL |
| usiroads.pdb | PocketAPRS | 500 | 587.3 | 18.5 | 26.7 | 1370 | Click here |
| usa.pdb | PocketAPRS | 500 | 587.3 | 18.5 | 26.7 | 1370 | Click here |
| usa.mp | APRSdos | 1429 | 407.6 | 31.2 | 5.2 | 2299 | Click here |
| world.mp | APRSdos | 6429 | 4654.3 | 68.5 | 22.9 | 7984 | Click here |
| world.pdb | PocketAPRS | 20480 | 5325.6 | 48.9 | 50.6 | 20986 | Click here |