| 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 | 6.8 | 12.6 | 18.9 | 30 | Click here |
| mi-lower.mp | APRSdos | 100 | 77.4 | 62.1 | 53.2 | 1253 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 10.7 | 16.7 | 7.4 | 1653 | NEXRAD GRAND RAPIDS,MI |
| usiroads.pdb | PocketAPRS | 500 | 706.5 | 23.9 | 30.6 | 1653 | Click here |
| usa.pdb | PocketAPRS | 500 | 706.5 | 23.9 | 30.6 | 1653 | Click here |
| usa.mp | APRSdos | 1429 | 521.0 | 39.4 | 9.6 | 2582 | Click here |
| world.mp | APRSdos | 6429 | 4541.2 | 66.7 | 23.9 | 8249 | Click here |
| world.pdb | PocketAPRS | 20480 | 5225.5 | 47.6 | 51.9 | 20999 | Click here |