| 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 | 21.4 | 13.2 | 17.4 | 100 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 54.5 | 61.5 | 57.6 | 1691 | NEXRAD GRAND RAPIDS,MI |
| usiroads.pdb | PocketAPRS | 500 | 763.1 | 26.1 | 32.8 | 1691 | Click here |
| usa.pdb | PocketAPRS | 500 | 763.1 | 26.1 | 32.8 | 1691 | Click here |
| usa.mp | APRSdos | 1429 | 570.9 | 42.8 | 12.1 | 2620 | Click here |
| world.mp | APRSdos | 6429 | 4493.6 | 65.9 | 24.5 | 8279 | Click here |
| world.pdb | PocketAPRS | 20480 | 5185.7 | 47.1 | 52.6 | 21006 | Click here |