navarn.

Brit.

/ˈnavɑː/, U.S.

/ˈnæˌvɑr/

Origin: Of uncertain origin. Perhaps formed within English, as an initialism. Perhaps formed within English, by compounding. Etymons: English navigation and ranging , navigation n., radar n.

Etymology: Either < the initial letters of navigation and ranging (after radar n.), or < nav- (in navigation n.) + -ar (in radar n.).

Aeronautics. Now historical.

A navigational radar system in which the positions of aircraft near an airport are determined by ground radar and then transmitted to pilots in the vicinity.

ΘΚΠ

society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > navigational systems

OBOE1945

navar1946

omni-range1947

omni1949

tacan1955

navigation system1959

nav/com1966

nav/attack1967

1946 H. Busignies et al. in Electr. Communications 23 113/1 (heading) Navar for traffic control around airports.

1958 P. C. Sandretto Electr. Navigation Engin. xi. 513 Navar is the name given to a system developed by Federal Telecommunication Laboratories intended for use in aerial navigation and traffic control.

1969 S. H. Dodington in M. Kayton & W. Fried Avionics Navigation Systems v. 203 Navar. Proposal in 1946 for rho-theta navigation and reporting... Experimental model built 1946-49. No further development, but made substantial contribution to DME and Tacon.

This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	navar
释义	navarn. Brit. /ˈnavɑː/, U.S. /ˈnæˌvɑr/ Origin: Of uncertain origin. Perhaps formed within English, as an initialism. Perhaps formed within English, by compounding. Etymons: English navigation and ranging , navigation n., radar n. Etymology: Either < the initial letters of navigation and ranging (after radar n.), or < nav- (in navigation n.) + -ar (in radar n.). Aeronautics. Now historical. A navigational radar system in which the positions of aircraft near an airport are determined by ground radar and then transmitted to pilots in the vicinity. ΘΚΠ society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > navigational systems OBOE1945 navar1946 omni-range1947 omni1949 tacan1955 navigation system1959 nav/com1966 nav/attack1967 1946 H. Busignies et al. in Electr. Communications 23 113/1 (heading) Navar for traffic control around airports. 1958 P. C. Sandretto Electr. Navigation Engin. xi. 513 Navar is the name given to a system developed by Federal Telecommunication Laboratories intended for use in aerial navigation and traffic control. 1969 S. H. Dodington in M. Kayton & W. Fried Avionics Navigation Systems v. 203 Navar. Proposal in 1946 for rho-theta navigation and reporting... Experimental model built 1946-49. No further development, but made substantial contribution to DME and Tacon. This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1946
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