loop direction finder
1direction finder — direction finding. Radio. a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves. [1910 15] * * * ▪ instrument or radio direction finder radio receiver and antenna system for… …
2direction finder — n. a device for finding out the direction from which radio waves or signals are coming, as a loop antenna that can be rotated freely on a vertical axis …
3Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …
4Automatic Direction Finder — Ein Radiokompass, auch ADF (engl. automatic direction finder ), RDF (engl. radio direction finder), oder Funkkompass ist eine bordseitige Empfangsanlage zur Funknavigation mittels Funkpeilung zu einem NDB (dtsch. ungerichtetes Funkfeuer ) oder zu …
5Radio direction finder — Ein Radiokompass, auch ADF (engl. automatic direction finder ), RDF (engl. radio direction finder), oder Funkkompass ist eine bordseitige Empfangsanlage zur Funknavigation mittels Funkpeilung zu einem NDB (dtsch. ungerichtetes Funkfeuer ) oder zu …
6radio direction finder — a navigational aid establishing a fix by means of the bearings of two known radio stations. Abbr.: RDF [1920 25] * * * ▪ instrument also called Radio Compass, radio receiver and directional antenna system used to determine the direction… …
7direction finder — direc′tion find er n. rtv a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves • Etymology: 1910–15 direc′tion find ing, n …
8direction-finder — /dəˈrɛkʃən faɪndə/ (say duh rekshuhn fuynduh) noun a contrivance on a radio receiver usually based on a loop antenna rotating on a vertical axis, which ascertains the direction of incoming radio waves …
9automatic direction finder — Equipment to determine the direction from which an electromagnetic signal is being generated. It can either be airborne or ground based equipment. It operates in medium or low frequencies, consists of basically a loop aerial, and gives the null… …
10Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …
