| 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 | ||
| memphis.pdb | PocketAPRS | 10 | 14.1 | 17.5 | 40.7 | 10 | Click here |
| tnwest.mp | APRSdos | 49 | 25.7 | 2.0 | 50.6 | 555 | Click here |
| usacen.mp | APRSdos | 371 | 377.3 | 92.9 | 46.4 | 1806 | Click here |
| usaseast.mp | APRSdos | 393 | 422.8 | 69.7 | 78.0 | 1870 | Click here |
| nexrad/rad_nqa.geo | NWSRadar | 500 | 26.0 | 2.9 | 34.7 | 1977 | NEXRAD MILLINGTON,TN |
| usiroads.pdb | PocketAPRS | 500 | 309.3 | 14.3 | 1.9 | 1977 | Click here |
| usa.pdb | PocketAPRS | 500 | 309.3 | 14.3 | 1.9 | 1977 | Click here |
| usa.mp | APRSdos | 1429 | 476.1 | 24.8 | 22.7 | 2906 | Click here |
| world.mp | APRSdos | 6429 | 4824.8 | 69.9 | 16.7 | 8605 | Click here |
| world.pdb | PocketAPRS | 20480 | 5400.6 | 50.0 | 42.3 | 22656 | Click here |