| 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 | ||
| mi-lower.mp | APRSdos | 100 | 30.3 | 0.0 | 29.0 | 100 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 54.6 | 82.7 | 41.3 | 1327 | NEXRAD GRAND RAPIDS,MI |
| nexrad/rad_dtx.geo | NWSRadar | 500 | 62.2 | 82.7 | 57.3 | 1900 | NEXRAD WHITE LAKE,MI |
| usiroads.pdb | PocketAPRS | 500 | 763.6 | 26.7 | 32.1 | 1900 | Click here |
| usa.pdb | PocketAPRS | 500 | 763.6 | 26.7 | 32.1 | 1900 | Click here |
| usa.mp | APRSdos | 1429 | 579.2 | 43.7 | 11.3 | 2829 | Click here |
| world.mp | APRSdos | 6429 | 4484.0 | 65.7 | 24.3 | 8486 | Click here |
| world.pdb | PocketAPRS | 20480 | 5173.4 | 46.9 | 52.4 | 21004 | Click here |