Select the geostationary satellite using the pull down menu.To calculate,drag the map slightly, placing the red dot on your exact location, ZOOM in for accuracy, and the new bright green azimuth line will drawn.
The initial satellite position shown is GOES 16 at 75.2 deg West.To put your site location in the middle, drag the map. To to zoom in, click on the plus sign or use your mouse wheel in the navigation boxes at the upper left side of the map.
Note: the blue circles are existing Satellite Ground Stations listed on this page User Ground Stations.