Motorola, Inc. 4086A Goniometer Indicator PN 717350-01 - FCA Air Parts
Detail of Goniometer Used inside the Radio Beacon Transmitting Station at Ford Airport, 1926 - The Henry Ford
The Radio Compass or Goniometer
Goniometer - definition of goniometer by The Free Dictionary
Goniometric Radio Navigation Systems | SpringerLink
The T.S.F.: radiogoniometry that allows to determine the location of an electromagnetic wave transmitter. Anonymous illustration from 1925. Private collection.