radionavigation - ορισμός. Τι είναι το radionavigation
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Τι (ποιος) είναι radionavigation - ορισμός

NAVIGATION USING RADIO SIGNALS
Radionavigation; Radio-navigation; Radio Range; Radio navigation aid; Super heterodyne navigation; Air Navigation Radio Aids; Radionavigation service; ARNS; Aeronautical radio navigation service; Aeronautical radionavigation service; Aeronautical radio navigation services; Aeronautical radionavigation services; Navigation radio; Maritime radionavigation service; Radionavigation mobile station; Radionavigation land station; Aeronautical Radionavigation Service; Aeronautical Radionavigation Services; Aerial radio navigation
  • Cessna 182 with GPS-based "glass cockpit" avionics
  • 1 DME; 2 VOR ''Radionavigation land stations''}}
  •  VHF direction finder antenna of the ARNS on [[Deister]] nearby Hanover
  • ILS]]-antenna on [[Hannover Airport]]
  • Lockheed Electra]] had a prominent RDF loop on the cockpit roof.
  • (RDF)]] 1930
  • LFR ground station
  •  ''Radionavigation land station'' ([[LORAN]]-C-transmitter Rantum)
  • The Orfordness Beacon as it appears today.
  • VOR transmitter station

Aeronautical radionavigation service         
Aeronautical radionavigation service (short: ARNS) is – according to Article 1.46 of the International Telecommunication Union's (ITU) Radio Regulations (RR)ITU Radio Regulations, Section IV.
Maritime radionavigation service         
Maritime radionavigation service (short: MRNS) is – according to Article 1.44 of the International Telecommunication Union's (ITU) Radio Regulations (RR)ITU Radio Regulations, Section IV.
ARNS         
Appletalk Remote Network Server (Reference: Apple, AppleTalk)

Βικιπαίδεια

Radio navigation

Radio navigation or radionavigation is the application of radio frequencies to determine a position of an object on the Earth, either the vessel or an obstruction. Like radiolocation, it is a type of radiodetermination.

The basic principles are measurements from/to electric beacons, especially

  • Angular directions, e.g. by bearing, radio phases or interferometry,
  • Distances, e.g. ranging by measurement of time of flight between one transmitter and multiple receivers or vice versa,
  • Distance differences by measurement of times of arrival of signals from one transmitter to multiple receivers or vice versa
  • Partly also velocity, e.g. by means of radio Doppler shift.

Combinations of these measurement principles also are important—e.g., many radars measure range and azimuth of a target.