| 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 | ||
| helena.pdb | PocketAPRS | 10 | 13.4 | 34.3 | 24.5 | 10 | Click here |
| mthelena.mp | APRSdos | 26 | 12.6 | 58.3 | 11.1 | 609 | Click here |
| ssk.pdb | PocketAPRS | 320 | 431.7 | 67.4 | 77.1 | 1765 | Click here |
| sab2.pdb | PocketAPRS | 320 | 373.2 | 15.2 | 78.4 | 1104 | Click here |
| usancen.mp | APRSdos | 343 | 287.8 | 97.2 | 22.5 | 2099 | Click here |
| usawest.mp | APRSdos | 429 | 394.7 | 60.8 | 72.7 | 1764 | Click here |
| nexrad/rad_tfx.geo | NWSRadar | 500 | 46.2 | 28.0 | 58.9 | 1089 | NEXRAD GREAT FALLS,MT |
| usiroads.pdb | PocketAPRS | 500 | 1017.6 | 35.6 | 43.9 | 1089 | Click here |
| usa.pdb | PocketAPRS | 500 | 1017.6 | 35.6 | 43.9 | 1089 | Click here |
| usa.mp | APRSdos | 1429 | 733.0 | 51.6 | 24.6 | 2534 | Click here |
| world.mp | APRSdos | 6429 | 5518.8 | 86.9 | 27.2 | 8403 | Click here |
| world.pdb | PocketAPRS | 20480 | 6293.4 | 62.1 | 56.3 | 21664 | Click here |