| 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 | 16.1 | 36.5 | 56.8 | 578 | Click here |
| albrmham.mp | APRSdos | 49 | 21.1 | 28.7 | 31.4 | 617 | Click here |
| usaseast.mp | APRSdos | 393 | 272.5 | 27.1 | 60.9 | 1002 | Click here |
| nexrad/rad_mxx.geo | NWSRadar | 500 | 81.1 | 62.0 | 95.5 | 2075 | NEXRAD CARRVILLE,AL |
| nexrad/rad_htx.geo | NWSRadar | 500 | 74.8 | 38.0 | 95.2 | 1452 | NEXRAD HYTOP,AL |
| nexrad/rad_bmx.geo | NWSRadar | 500 | 35.0 | 16.7 | 44.8 | 1452 | NEXRAD ALABASTER,AL |
| usiroads.pdb | PocketAPRS | 500 | 476.7 | 22.0 | 2.3 | 1452 | Click here |
| usa.pdb | PocketAPRS | 500 | 476.7 | 22.0 | 2.3 | 1452 | Click here |
| usa.mp | APRSdos | 1429 | 642.6 | 36.5 | 27.4 | 2381 | Click here |
| world.mp | APRSdos | 6429 | 4678.8 | 67.3 | 15.7 | 8054 | Click here |
| world.pdb | PocketAPRS | 20480 | 5233.6 | 48.1 | 41.0 | 22105 | Click here |