In 1993, it estimated that the cost of a kit to receive navigation signals from existing satellites was $40,000 for each bomb.
For years, corporate and other aircraft have had systems that can receive television signals from satellites, though the service usually works only when flying over land.
The receiver uses messages received from satellites to determine the satellite positions and time sent.
It does not receive information directly from satellites, but from their operators.
The signal received from satellites in Earth orbit are relatively strong but view periods are short; a few minutes being typical.
The antenna was to receive signals from satellites - the same programs that other cable systems get in much the same fashion.
One bolt hit an antenna that receives weather data from satellites.
They were still receiving real-time pictures from military satellites.
However, in the case of fast-moving receivers, the position of the signal moves as signals are received from several satellites.
That's because the device is constantly receiving signals from satellites orbiting the Earth.