Using the sonar charts and satellite-based navigational signals, the divers will be able to get to within a few feet of a suspected, but invisible, target.
We were thirty-five people, and I was responsible for keeping this navigational signal on-air, and it was a defining leadership experience.
As the ship approached the submerged bar, a navigational signal from nearby Paratutae Island was received instructing her to turn north to avoid a grounding.
Under normal conditions, the station constantly transmitted automated navigational signals in a variety of energy spectrums, even radio.
Because, according to the navigational signals that Jadzia had received from it, the station before them existed at a specific time in the past.
LORAN Station Attu had provided a navigational signal for mariners of the north pacific since the 1970s.
Meaconing is the term to describe the interception and the rebroadcasting of navigational signals in order to confuse the sending aircraft as to its true location.
In this scheme, the missile would guide itself using onboard electronics and navigational signals received from the ground.
On the ground, radio transmitters would send navigational signals to missile interceptors heading for battle.
Also, in some installations local weather conditions were periodically broadcast in voice over the range frequency, preempting the navigational signals, but eventually this was done on the central fifth tower.