"The lavatory door's on a direct unobstructed line with the switchboard."
Unlike television and radio signals, which can bend somewhat over the horizon, a dish must have an unobstructed line of sight to the transmitting satellite.
An ideal overwatch position provides cover for the unit, and unobstructed lines of fire.
These new regulations had a profound impact as they halted the free transit across the open and unobstructed international line that had defined the relationship between Ambos Nogales.
To obtain a lock, it is necessary that there be an unobstructed line of sight from the receiver to the satellite.
The detonator on the seat beside him had a one-mile range, and it wasn't dependent on an unobstructed line of sight.
But these super-high frequencies usually require that an unobstructed line of sight be established between the transmitter and receiver.
According to the General, he needed to be in a direct and unobstructed line with the plastique.
Our party had been given orders to keep at a short distance from Kuo so that I would have an unobstructed line of fire.
Gil took another step, meaning to angle around for an unobstructed line of fire.