| 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 | ||
| usacen.mp | APRSdos | 371 | 212.2 | 8.7 | 54.1 | 912 | Click here |
| nexrad/rad_uex.geo | NWSRadar | 500 | 80.2 | 78.6 | 89.5 | 2181 | NEXRAD BLUE HILL,NE |
| nexrad/rad_oax.geo | NWSRadar | 500 | 49.8 | 88.0 | 9.5 | 3061 | NEXRAD VALLEY,NE |
| usiroads.pdb | PocketAPRS | 500 | 426.7 | 2.9 | 25.1 | 3061 | Click here |
| usa.pdb | PocketAPRS | 500 | 426.7 | 2.9 | 25.1 | 3061 | Click here |
| usa.mp | APRSdos | 1429 | 55.5 | 1.6 | 3.5 | 3990 | Click here |
| world.mp | APRSdos | 6429 | 5066.0 | 75.8 | 22.5 | 9748 | Click here |
| world.pdb | PocketAPRS | 20480 | 5743.5 | 54.1 | 50.1 | 21522 | Click here |