| 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 | 5.2 | 10.2 | 12.7 | 10 | Click here |
| butte.pdb | PocketAPRS | 10 | 39.0 | 75.5 | 96.6 | 1731 | Click here |
| mthelena.mp | APRSdos | 26 | 10.0 | 22.0 | 33.1 | 1747 | Click here |
| ssk.pdb | PocketAPRS | 320 | 445.8 | 69.3 | 79.8 | 1811 | Click here |
| sab2.pdb | PocketAPRS | 320 | 384.2 | 12.8 | 80.9 | 1129 | Click here |
| usancen.mp | APRSdos | 343 | 292.7 | 99.9 | 19.2 | 2151 | Click here |
| usawest.mp | APRSdos | 429 | 380.6 | 58.6 | 70.0 | 1715 | Click here |
| nexrad/rad_tfx.geo | NWSRadar | 500 | 59.9 | 43.0 | 74.8 | 1248 | NEXRAD GREAT FALLS,MT |
| usiroads.pdb | PocketAPRS | 500 | 1015.7 | 36.1 | 43.2 | 1248 | Click here |
| usa.pdb | PocketAPRS | 500 | 1015.7 | 36.1 | 43.2 | 1248 | Click here |
| usa.mp | APRSdos | 1429 | 735.1 | 52.2 | 23.8 | 2699 | Click here |
| world.mp | APRSdos | 6429 | 5531.0 | 87.0 | 27.1 | 8569 | Click here |
| world.pdb | PocketAPRS | 20480 | 6304.0 | 62.2 | 56.1 | 21663 | Click here |