File:Antenne frontalière1.jpg - Wikimedia Commons

File:GSM-antenne.JPG - Wikimedia Commons

File:Erdfunkstelle Fuchsstadt - 18-Meter-Antenne.jpg - Wikimedia Commons

File:Western front 1914.jpg - Wikimedia Commons

File:CT1D.tif - Wikimedia Commons

File:Antenne-toroidale.jpg - Wikipedia

SIGINT CHATTER: Tracking Cold War Signals

File:Lechatbotte1.jpg - Wikimedia Commons

American Milspec, LLC - Shakespeare SF 3512/VRC 30-512MHz Antenna Base un-used

Wullenwever (Wullenweber) antenna array, of Bundesnachrichtendienst, Germany, Bayern, Bavaria, Schwaben, Swabia, Gablingen Stock Photo - Alamy

Blosenbergturm - Wikipedia

VDF / UDF Antennae – OpenSceneryX

VDF / UDF Antennae – OpenSceneryX

Camping Canadian: Canadian FRD-10 HF/DF Arrays

AN/FRD-10 Circularly Disposed Antenna Array (CDAA) Receiving System

File:Antenne Ground plane 01.jpg - Wikimedia Commons