| 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 | 10.9 | 32.1 | 22.5 | 10 | Click here |
| ilcookco.mp | APRSdos | 23 | 5.2 | 11.1 | 19.5 | 23 | Click here |
| ilneast.mp | APRSdos | 29 | 23.9 | 93.5 | 8.9 | 964 | Click here |
| ilnorth.mp | APRSdos | 64 | 52.3 | 85.9 | 26.8 | 1858 | Click here |
| iailinmo.mp | APRSdos | 221 | 122.9 | 61.3 | 9.9 | 2628 | Click here |
| nexrad/rad_mkx.geo | NWSRadar | 500 | 68.6 | 60.1 | 80.5 | 1906 | NEXRAD DOUSMAN,WI |
| nexrad/rad_lot.geo | NWSRadar | 500 | 24.9 | 22.7 | 28.8 | 1906 | NEXRAD ROMEOVILLE,IL |
| usiroads.pdb | PocketAPRS | 500 | 599.5 | 19.2 | 27.0 | 1906 | Click here |
| usa.pdb | PocketAPRS | 500 | 599.5 | 19.2 | 27.0 | 1906 | Click here |
| usa.mp | APRSdos | 1429 | 420.9 | 32.2 | 5.6 | 2835 | Click here |
| world.mp | APRSdos | 6429 | 4640.9 | 68.3 | 23.0 | 8518 | Click here |
| world.pdb | PocketAPRS | 20480 | 5313.0 | 48.8 | 50.7 | 20987 | Click here |