| 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 | ||
| miswest.mp | APRSdos | 30 | 26.0 | 2.3 | 82.9 | 859 | Click here |
| mi-lower.mp | APRSdos | 100 | 91.4 | 59.0 | 72.4 | 1414 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 15.9 | 11.8 | 19.5 | 1814 | NEXRAD GRAND RAPIDS,MI |
| usiroads.pdb | PocketAPRS | 500 | 694.9 | 24.0 | 29.4 | 1814 | Click here |
| usa.pdb | PocketAPRS | 500 | 694.9 | 24.0 | 29.4 | 1814 | Click here |
| usa.mp | APRSdos | 1429 | 519.8 | 39.6 | 8.3 | 2743 | Click here |
| world.mp | APRSdos | 6429 | 4541.7 | 66.6 | 23.6 | 8409 | Click here |
| world.pdb | PocketAPRS | 20480 | 5221.6 | 47.6 | 51.5 | 20995 | Click here |