Search results

...nmi in his position calculation. During Jutland, there was limited use of direction finding on fleet vessels, but most information came from shore stations. ...erta and #3 SWS at Victoria B.C. Victoria also had a remote High Frequency Direction Finding ([[HF/DF]]) site in Nanaimo approximately 60 mi to the northwest." <ref>{{c

...hearing the signal until it determines the new frequency. In like manner, direction finding systems may not be able to follow the changing frequency long enough to get

...d the U-Boat Enigma cryptosystem traffic. But "HF/DF" Signals intelligence#direction finding|High Frequency Direction Finder) was still able to find where the U-Boats w

...function covering 0.5-18&nbsp;GHz in five bands. This can achieve 5-degree direction finding. ...system, which gives detection, emitter location and MASINT identification, direction finding, and strategic intelligence support. It was first implemented in 2000 and s

...nmi in his position calculation. During Jutland, there was limited use of direction finding on fleet vessels, but most information came from shore stations.

...order of battle and movement information on the Japanese came purely from direction finding and traffic analysis.

...; those are the functions of subsequent steps such as signal detection and direction finding. {{main|Direction finding}}

...32850 MANTIS DF system which, together, provide signal intercept and radio direction finding :*COMINT collection subsystem (CCS), including the AN/PRD-12 direction finding set (to be replace by TOPMAKER) and collection receivers

...nce]], both from [[cryptanalysis]] of the [[Enigma machine]], as well as [[direction finding]].

Different from direction finding in SIGINT, frequency analysis MASINT concentrates not on finding a specific

His other developments were in [[Optical fiber|fibre-optics]], radio direction finding, [[infrared]] night viewing and (possibly) [[radar]]. Questions remain abou

His other developments were in [[Optical fiber|fibre-optics]], radio direction finding, [[infrared]] night viewing and (possibly) [[radar]]. Questions remain abou

...order of battle and movement information on the Japanese came purely from direction finding and traffic analysis.

These protect against traffic analysis and, for transmitting sites, direction finding.

...nsports, when it was unknown if they would challenge the naval quarantine. Direction finding confirmed they had turned around. <ref name=NSA-Cuba /> ...tially, the policy was that the South Vietnamese would be trained in basic direction finding using "known or derived" technical information, but, for security reasons,

In December, U.S. Army [[signals intelligence]] aircraft, using [[direction finding]] techniques, located a Viet Cong radio transmitter in Tan Thoi hamlet, 14