| 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 | ||
| mdgburn4.mp | APRSdos | 4 | 1.4 | 24.4 | 30.2 | 4 | Click here |
| md_nasa.mp | APRSdos | 6 | 8.2 | 94.5 | 88.6 | 1837 | Click here |
| mdannap.mp | APRSdos | 8 | 6.1 | 83.1 | 5.8 | 2670 | Click here |
| baltimor.pdb | PocketAPRS | 10 | 11.0 | 6.2 | 45.6 | 2672 | Click here |
| mdsouth.mp | APRSdos | 18 | 18.3 | 12.4 | 97.3 | 991 | Click here |
| midlant.mp | APRSdos | 129 | 150.9 | 93.0 | 77.4 | 1833 | Click here |
| usaeast.mp | APRSdos | 300 | 133.2 | 11.4 | 41.3 | 2004 | Click here |
| li.mp | APRSdos | 300 | 133.2 | 11.4 | 41.3 | 2004 | Click here |
| nexrad/rad_lwx.geo | NWSRadar | 500 | 39.3 | 65.9 | 12.1 | 2863 | NEXRAD STERLING,VA |
| nexrad/rad_dox.geo | NWSRadar | 500 | 59.0 | 96.7 | 24.1 | 3830 | NEXRAD ELLENDALE STATE FOREST,DE |
| usiroads.pdb | PocketAPRS | 500 | 974.1 | 44.7 | 16.9 | 3830 | Click here |
| usa.pdb | PocketAPRS | 500 | 974.1 | 44.7 | 16.9 | 3830 | Click here |
| bertha.mp | APRSdos | 786 | 723.1 | 52.9 | 72.6 | 2041 | Click here |
| usa.mp | APRSdos | 1429 | 935.1 | 71.3 | 5.8 | 3397 | Click here |
| world.mp | APRSdos | 6429 | 4161.7 | 59.6 | 20.5 | 8993 | Click here |
| world.pdb | PocketAPRS | 20480 | 4792.7 | 42.6 | 47.3 | 23044 | Click here |