The GPS Horizon

As Seen at Various Latitudes
Implications of Orbital Inclination
Images generated with "Visual GPS" software

 

Johannesburg, South Africa

The GPS horizon as viewed from 26.00 South, 27.50 East.

No satellites appear in the southern sky.
at elevations below about 50 degrees.

 

Entebbe, Uganda

The GPS horizon as viewed from 00.03 North, 32.27 East.

Satellites are visible to the horizon both east and west.
No satellites appear in northern or southern skies below about 20 degrees.

 

Los Angeles, California

The GPS horizon as viewed from 33.30 North, 117.50 West.

No satellites appear in the northern sky.
at elevations below about 60 degrees.

 

Wick, Scotland

The GPS horizon as viewed from 58.35 North, 03.23 West.

No satellites ever appear directly overhead.
Satellites transiting the Equator 180 degrees away in longitude
can be seen appearing above the northern horizon
at elevations up to about 12 degrees.