GcmWin : Great Circle Map
- GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares
from the maidenhead locator system.
- calculate maidenhead grid
square and coordinates
X, a BASIC program that calculates grid squares
and Great Circle headings and grid
.exe, a grid
Square and Distance calculator by w3km
- Windows application that will allow you to perform calculations with the popular Maidenhead Grid
Square system. This grid
system is used worldwide by amateur radio operators for many aspects of ham radio.
- Calculates grid squares
from latitudes and longitudes, the reverse, and calculates distances and headings from two sets of lat/long or grid
square. Convert Grid
Square to Lat Log and vice versa. Freeware for Windows
- The AZIMUTH program plots a world map in either azimuth (beam heading) or Mercator projections. If you specify your home location in latitude and longitude, the azimuth projection is centred on your location. The Azimuth map program can display Maidenhead grid
s - this is useful for 6m, 2m, and UHF DX communication display. Various features of the map are: Azimuth or Mercator projections , Maidenhead grid
display, Simple map zooming, Print maps with adequate resolution up to one meter sized map
WinGrid & DOSgrid
conv.zip contains Wingrid
.exe and Dosgrid
.exe, DOS and (16 bit) Windows versions of a simple program that converts between NGR, Maidenhead Locator, QRA, and Latitude/Longitude. They are copyright, but freely distributable for no charge.