direction finder meaning in Hindi

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You can't use the OBS; you use Automatic Direction Finder for NDBs.
But the base's radio direction finder only had a single loop antenna.
Visibility was poor, and weather conditions prevented obtaining radio direction finder bearings.
In 1929 the navy set up a direction finder by the lighthouse.
Radio direction finders have evolved, following the development of new electronics.
For example, Francis Hubbard's sonar direction finder patent filed in 1921.
A Gerkules sonar was also fitted in addition to various radio direction finders.
The lifeboats also support the Simrad TD-L1550 VHF-FM radio direction finder.
Each consisted of an omnidirectional transmitter an omnidirectional receiver and a direction finder.
Using the direction finder ( DF ) the angle was measured.

noun.