| 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 | 16.0 | 15.6 | 8.3 | 100 | Click here |
| nexrad/rad_grr.geo | NWSRadar | 500 | 76.5 | 57.7 | 93.6 | 2013 | NEXRAD GRAND RAPIDS,MI |
| nexrad/rad_apx.geo | NWSRadar | 500 | 50.7 | 7.7 | 67.8 | 1178 | NEXRAD GAYLORD,MI |
| usiroads.pdb | PocketAPRS | 500 | 780.0 | 26.0 | 34.4 | 1178 | Click here |
| usa.pdb | PocketAPRS | 500 | 780.0 | 26.0 | 34.4 | 1178 | Click here |
| usa.mp | APRSdos | 1429 | 576.2 | 42.7 | 13.9 | 2107 | Click here |
| world.mp | APRSdos | 6429 | 4491.7 | 66.0 | 24.9 | 7767 | Click here |
| world.pdb | PocketAPRS | 20480 | 5189.8 | 47.1 | 53.2 | 21012 | Click here |