| 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 | ||
| birmingh.pdb | PocketAPRS | 10 | 8.4 | 33.5 | 10.8 | 10 | Click here |
| albrmham.mp | APRSdos | 49 | 14.1 | 27.2 | 9.7 | 49 | Click here |
| usaseast.mp | APRSdos | 393 | 262.8 | 27.3 | 58.3 | 976 | Click here |
| nexrad/rad_mxx.geo | NWSRadar | 500 | 72.1 | 63.1 | 80.8 | 1939 | NEXRAD CARRVILLE,AL |
| nexrad/rad_bmx.geo | NWSRadar | 500 | 24.5 | 15.5 | 30.1 | 1939 | NEXRAD ALABASTER,AL |
| usiroads.pdb | PocketAPRS | 500 | 477.5 | 22.0 | 2.9 | 1939 | Click here |
| usa.pdb | PocketAPRS | 500 | 477.5 | 22.0 | 2.9 | 1939 | Click here |
| usa.mp | APRSdos | 1429 | 649.5 | 36.5 | 28.1 | 2868 | Click here |
| world.mp | APRSdos | 6429 | 4681.7 | 67.3 | 15.5 | 8541 | Click here |
| world.pdb | PocketAPRS | 20480 | 5233.8 | 48.1 | 40.7 | 22592 | Click here |