Radio Operator, 1940

Radio Operator 1940

In the early days, both en route centers and airport towers often had to route communications radio stations such as this.  These forerunners of Flight Service Stations (Interstate Airway Communication Stations -INSACs) were often manned by women, particularly during World War II.

Airways Technician


Submitted by Audra Oliver

Airway Technician, U.S. Department of Commerce

Airways sector truck and maintenance technician, name and location unknown. Unlike their modern counterparts, the airway station keepers were required to wear distinctive uniforms on the job.

Loop Antennas

Low frequency “loop” radio range

This type was developed in the late ’20s and was non-simultaneous; that is, the range had to be shut down during voice transmission. This resulted in a temporary loss of navigation guidance in pilots flying on the radio beam.