| 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 | 9.6 | 27.7 | 20.5 | 10 | Click here |
| ilcookco.mp | APRSdos | 23 | 4.2 | 5.1 | 17.2 | 23 | Click here |
| ilneast.mp | APRSdos | 29 | 22.7 | 88.7 | 10.8 | 916 | Click here |
| ilnorth.mp | APRSdos | 64 | 51.0 | 83.7 | 26.0 | 1788 | Click here |
| iailinmo.mp | APRSdos | 221 | 121.6 | 60.6 | 9.6 | 2551 | Click here |
| nexrad/rad_mkx.geo | NWSRadar | 500 | 68.5 | 57.9 | 81.3 | 1892 | NEXRAD DOUSMAN,WI |
| nexrad/rad_lot.geo | NWSRadar | 500 | 23.9 | 20.5 | 28.1 | 1892 | NEXRAD ROMEOVILLE,IL |
| usiroads.pdb | PocketAPRS | 500 | 598.3 | 19.1 | 27.0 | 1892 | Click here |
| usa.pdb | PocketAPRS | 500 | 598.3 | 19.1 | 27.0 | 1892 | Click here |
| usa.mp | APRSdos | 1429 | 419.6 | 32.1 | 5.5 | 2821 | Click here |
| world.mp | APRSdos | 6429 | 4642.2 | 68.3 | 23.0 | 8504 | Click here |
| world.pdb | PocketAPRS | 20480 | 5314.2 | 48.8 | 50.7 | 20987 | Click here |