Radio location

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Drawing of a radio location

As radio site (English radio fix ) is by radio navigation determined current location of an aircraft or ship, respectively.

The radio location results from direction finding to at least two NDB radio beacons, which are mathematically intersected with each other and the earth's surface. Graphically, it determines the location by the bearings as a radio base lines (English position line of LOP) transfers to the card. Where these straight lines intersect is your own position at the time of the bearings.

In the radio navigation all bearings (English bearing ) or the course over ground (English track principle) as ill-looking directions indicated (Engl. Magnetic bearing , MB / magnetic track , MT) stated. The radio navigation map also contains magnetic courses.

Exception: Only the entry of radio lines ( LOP ) in the normal flight navigation or sea ​​chart is done with true courses, as these maps are aligned with the geographical meridians. The correction angle is the magnetic declination (declination).

Correction in the graphic:
Angle RB1 extends from the flight direction (TH) clockwise to LOP1 and is 310 °.
As a result, TH + RB1 = TB must be set in the adjacent calculation:
120 ° + 310 ° = 430 ° and 430 ° - 360 ° = 70 °

literature

  • Jeppesen Sanderson: Private Pilot Study Guide . 2000, ISBN 0-88487-265-3 .
  • Jeppesen Sanderson: Private Pilot Manual . 2001, ISBN 0-88487-238-6 .
  • Jürgen Mies: Radio navigation . 1999, ISBN 3-613-01648-6 .
  • Peter Dogan: The Instrument Flight Training Manual . 1999, ISBN 0-916413-26-8 .
  • Walter Air: CVFR textbook . Mariensiel 2001.
  • Wolfgang Kühr: The private pilot, flight navigation . Verlag Friedrich Schiffmann, Bergisch Gladbach 1979, ISBN 3-921270-05-7 .