| 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 | 4.7 | 4.0 | 14.2 | 10 | Click here |
| mthelena.mp | APRSdos | 26 | 0.3 | 0.5 | 1.1 | 26 | Click here |
| ssk.pdb | PocketAPRS | 320 | 441.3 | 70.4 | 77.9 | 1803 | Click here |
| sab2.pdb | PocketAPRS | 320 | 375.2 | 11.5 | 79.0 | 1110 | Click here |
| usawest.mp | APRSdos | 429 | 384.9 | 57.3 | 71.9 | 1721 | Click here |
| nexrad/rad_tfx.geo | NWSRadar | 500 | 54.1 | 51.8 | 63.3 | 1651 | NEXRAD GREAT FALLS,MT |
| usiroads.pdb | PocketAPRS | 500 | 1024.7 | 36.3 | 43.7 | 1651 | Click here |
| usa.pdb | PocketAPRS | 500 | 1024.7 | 36.3 | 43.7 | 1651 | Click here |
| usa.mp | APRSdos | 1429 | 742.7 | 52.6 | 24.4 | 3106 | Click here |
| world.mp | APRSdos | 6429 | 5531.2 | 87.1 | 27.2 | 8977 | Click here |
| world.pdb | PocketAPRS | 20480 | 6306.0 | 62.2 | 56.2 | 21664 | Click here |