| 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 | 3.6 | 6.4 | 9.4 | 10 | Click here |
| mthelena.mp | APRSdos | 26 | 8.5 | 16.2 | 29.1 | 26 | Click here |
| ssk.pdb | PocketAPRS | 320 | 445.6 | 69.6 | 79.5 | 1811 | Click here |
| sab2.pdb | PocketAPRS | 320 | 383.0 | 12.5 | 80.6 | 1126 | Click here |
| usawest.mp | APRSdos | 429 | 380.8 | 58.3 | 70.2 | 1714 | Click here |
| nexrad/rad_tfx.geo | NWSRadar | 500 | 59.4 | 45.4 | 73.3 | 1233 | NEXRAD GREAT FALLS,MT |
| usiroads.pdb | PocketAPRS | 500 | 1017.3 | 36.1 | 43.3 | 1233 | Click here |
| usa.pdb | PocketAPRS | 500 | 1017.3 | 36.1 | 43.3 | 1233 | Click here |
| usa.mp | APRSdos | 1429 | 736.7 | 52.3 | 23.8 | 2685 | Click here |
| world.mp | APRSdos | 6429 | 5531.6 | 87.1 | 27.1 | 8556 | Click here |
| world.pdb | PocketAPRS | 20480 | 6304.8 | 62.2 | 56.1 | 21663 | Click here |