| 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 | ||
| maema.mp | APRSdos | 36 | 34.7 | 28.0 | 90.1 | 937 | Click here |
| mamass.mp | APRSdos | 64 | 37.9 | 47.3 | 40.2 | 965 | Click here |
| neweng.mp | APRSdos | 286 | 278.9 | 20.1 | 92.0 | 1206 | Click here |
| nexrad/rad_gyx.geo | NWSRadar | 500 | 61.7 | 55.4 | 72.3 | 1777 | NEXRAD GRAY,ME |
| nexrad/rad_box.geo | NWSRadar | 500 | 62.1 | 15.3 | 82.4 | 1324 | NEXRAD TAUNTON,MA |
| usiroads.pdb | PocketAPRS | 500 | 1277.1 | 57.8 | 30.6 | 1902 | Click here |
| usa.pdb | PocketAPRS | 500 | 1277.1 | 57.8 | 30.6 | 2480 | Click here |
| usa.mp | APRSdos | 1429 | 1164.4 | 91.2 | 9.6 | 4321 | Click here |
| world.mp | APRSdos | 6429 | 3897.3 | 55.2 | 23.9 | 9873 | Click here |
| world.pdb | PocketAPRS | 20480 | 4587.4 | 39.4 | 51.9 | 20999 | Click here |