direction finding การใช้

• Her navigation equipment included wireless direction finding and an echo sounding device.
• A vital aspect was the design of the seaborne direction finding antenna.
• This revealed little, and the problem was traced to inadequate direction finding.
• This includes HF contesting, Amateur Radio Direction Finding, and High Speed Telegraphy.
• None of the ships carried HF / DF high-frequency direction finding sets.
• After four hours of direction finding and flyovers, Lee figured it out.
• By 1933 she carried wireless direction finding and echo sounding equipment.
• Instead, D鰊itz thought that Britain was using radar and direction finding.
• A Navy Direction Finding Station was later erected on the site in 1942.
• This allowed German direction finding teams time to triangulate their positions.
• It was concluded, however, that Allied direction finding was the source.
• This was to confuse enemy aircraft who might be navigating using radio direction finding.
• It is extremely hard to do " direction finding " and locate the interference.
• The bearing of the signal could be determined using Watt's radio direction finding techniques.
• BFRA was the host organization for the 2006 Amateur Radio Direction Finding World Championships.
• Her navigation equipment included wireless direction finding, an echo sounding device and a gyrocompass.
• Her navigation equipment included wireless direction finding, and echo sounding device and a gyrocompass.
• Radio direction finding equipment was installed on several Coast Guard vessels in late 1930.
• It has direction finding capability and is known to have a programmable threat library.
• The British Admiralty's Room 40 maintained direction finding and interception of German naval signals.