| 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 | 13.8 | 44.6 | 21.2 | 10 | Click here |
| ilcookco.mp | APRSdos | 23 | 7.2 | 28.4 | 18.0 | 23 | Click here |
| ilnorth.mp | APRSdos | 64 | 55.5 | 92.0 | 26.3 | 984 | Click here |
| iailinmo.mp | APRSdos | 221 | 126.3 | 63.0 | 9.7 | 1771 | Click here |
| nexrad/rad_mkx.geo | NWSRadar | 500 | 70.6 | 66.4 | 81.0 | 1974 | NEXRAD DOUSMAN,WI |
| nexrad/rad_lot.geo | NWSRadar | 500 | 26.6 | 29.0 | 28.3 | 1974 | NEXRAD ROMEOVILLE,IL |
| usiroads.pdb | PocketAPRS | 500 | 601.7 | 19.3 | 27.0 | 1974 | Click here |
| usa.pdb | PocketAPRS | 500 | 601.7 | 19.3 | 27.0 | 1974 | Click here |
| usa.mp | APRSdos | 1429 | 424.3 | 32.5 | 5.5 | 2903 | Click here |
| world.mp | APRSdos | 6429 | 4637.5 | 68.2 | 23.0 | 8585 | Click here |
| world.pdb | PocketAPRS | 20480 | 5309.5 | 48.7 | 50.7 | 20987 | Click here |