| 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 | 43.6 | 24.2 | 36.6 | 100 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 33.2 | 44.0 | 30.7 | 500 | NEXRAD GRAND RAPIDS,MI |
| usiroads.pdb | PocketAPRS | 500 | 742.6 | 25.6 | 31.6 | 500 | Click here |
| usa.pdb | PocketAPRS | 500 | 742.6 | 25.6 | 31.6 | 500 | Click here |
| usa.mp | APRSdos | 1429 | 557.0 | 42.1 | 10.8 | 1429 | Click here |
| world.mp | APRSdos | 6429 | 4505.9 | 66.1 | 24.2 | 7090 | Click here |
| world.pdb | PocketAPRS | 20480 | 5193.7 | 47.2 | 52.2 | 21002 | Click here |