| 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 | 6.8 | 19.8 | 14.0 | 10 | Click here |
| ilcookco.mp | APRSdos | 23 | 13.4 | 60.0 | 23.1 | 623 | Click here |
| ilneast.mp | APRSdos | 29 | 15.8 | 36.6 | 43.0 | 629 | Click here |
| ilnorth.mp | APRSdos | 64 | 35.6 | 60.6 | 11.7 | 1270 | Click here |
| iailinmo.mp | APRSdos | 221 | 107.2 | 53.9 | 5.5 | 1966 | Click here |
| nexrad/rad_mkx.geo | NWSRadar | 500 | 72.7 | 34.1 | 94.2 | 1442 | NEXRAD DOUSMAN,WI |
| nexrad/rad_lot.geo | NWSRadar | 500 | 11.5 | 3.3 | 15.2 | 1442 | NEXRAD ROMEOVILLE,IL |
| usiroads.pdb | PocketAPRS | 500 | 582.2 | 18.4 | 26.4 | 1442 | Click here |
| usa.pdb | PocketAPRS | 500 | 582.2 | 18.4 | 26.4 | 1442 | Click here |
| usa.mp | APRSdos | 1429 | 405.2 | 31.1 | 4.9 | 2371 | Click here |
| world.mp | APRSdos | 6429 | 4657.0 | 68.5 | 22.9 | 8056 | Click here |
| world.pdb | PocketAPRS | 20480 | 5327.1 | 49.0 | 50.5 | 20985 | Click here |