ground-to-air antenna
11Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …
12Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …
13Da Nang Air Base —     …
14Mount Hebo Air Force Station — Part of Air Defense Command (ADC) Type Air Force Sta …
15Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
16Mill Valley Air Force Station — Part of Air Defense Command (ADC) Mount Tamalpais West Peak, Marin County, near …
17Television antenna — A Winegard HD 7084P 68 element VHF/UHF aerial antenna A television antenna, or TV aerial, is an antenna specifically designed for the reception of over the air broadcast television signals, which are transmitted at frequencies from about 41 to… …
18North Australia Air War — North Australian Air War 1942–1943 Part of the Pacific Theater of World War II …
19Olympic Air — IATA OA ICAO OAL Callsign OLYMPIC …
20Hanscom Air Force Base — For the civil airport use of this facility, see Hanscom Field Infobox Airport name = Hanscom Field Hanscom Air Force Base nativename = Part of Air Force Materiel Command (AFMC) image width = 300 caption = Hanscom AFB 29 March 1995 IATA = BED ICAO …