Bendix Radio Direction Finder

Earhart used an antenna similar to this later model in her attempt to locate Howland Island. The loop worked by manually turning the crank on the controller until a “null” or point of low-signal strength was found.

Caption:
Earhart used an antenna similar to this later model in her attempt to locate Howland Island.
Type: Artifact
Image Date: 2012
Credit: National Air and Space Museum, Smithsonian Institution
Origin: National Air and Space Museum, Smithsonian Institution
Creator: Dane A. Penland
NASM2012-02106
Navigators & Inventors
Navigation Methods
 
Earhart used an antenna similar to this later model in her attempt to locate Howland Island.