Radio (general)

U.S. Secret Service Presidential Detail Countermeasure Unit - Ford F-450. Photograph by Christopher Ebdon, uploaded on Flickr under a Creative Commons CC-BY-NC-SA-2.0 license. Flickr file: www.flickr.com/photos/av8pix/54037905217 Short URL: flic.kr/p/2qk9oyZ

U.S. Wireless Station and Highland Light, North Truro, Cape Cod, Mass.

Unused vintage postcard, own collection. FCC Central Monitoring Station, Grand Island, Nebraska. Monitors the Radio Stations of the World. Anonymous artist. Published by Curteich Chicago without copyright notice after 1934.

The tower of Hellenic Telecomunications Organization (HTO - OTE) at the site of Thessaloniki International Exhibition. The tower was designed by architect Alexander Anastasiades and was completed in 1965. Around 1970 it was used to support antennas for a VHF mobile telephone service. Today it houses a rotating coffee shop and cellular telephone facilities of COSMOTE. (20240310_172159.jpg) This work is licensed under a Creative Commons Attribution 4.0 International License .

Uploaded by Aiky Ratsimanohatra on Flickr under a Creative Commons CC-BY-NC-2.0 license. Flickr file: www.flickr.com/photos/52323788@N06/53563209876 Short URL: flic.kr/p/2pBcsby This work is licensed under a Creative Commons Attribution-NonCommercial 2.0 License .

An old Cassegrain satellite antenna on a roof in Limassol, Cyprus (IMG_0360) This work is licensed under a Creative Commons Attribution 4.0 International License .

TPN-12 Radar Antennas, Castle Air Museum, Atwater, California Photographed November 15, 2022 (Scanned 35mm B&W negative) Camera: Leica IIIf (Black Dial) Lens: Leitz 35mm f/3.5 Summaron, K2 Medium Yellow filter Film: Ilford XP2 Photograph by Ian Abbott on Flickr under a CC-BY-NC-SA-2.0 license. Flickr file: www.flickr.com/photos/ian_e_abbott/52780302029 Short URL: flic.kr/p/2oq1QXp This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 International License . AN/TPN-12 background information This TPN-12 surveillance / precision radar set was tested at Castle AFB in 1958. It was donated to the Castle Air Museum by the 2035 Communication Squadron on 20 July 1981, in commemoration of the 20th anniversary of the Air Force Communication Service. AN/TPN-12 (Radartutorial.eu): www.radartutorial.eu/19.kartei/11.ancient2/karte039.en.html Castle Air Museum (Museum web site): www.castleairmuseum.org

The DF (direction finding) loop antenna on the flying bridge of SS Hellas Liberty, above the chart room. (DSCN0434) This work is licensed under a Creative Commons Attribution 4.0 International License .

UHF antenna for a radio link used to operate remotely a water pump in a deep well (borehole). (IMG_0220) This work is licensed under a Creative Commons Attribution 4.0 International License .

Antenna for a 2.4 GHz point-to-point link in downtown Athens, Greece. (IMG_0151) This work is licensed under a Creative Commons Attribution 4.0 International License .

A VHF/UHF discone antenna at Chalandri, Greece. (IMG_0147.JPG) This work is licensed under a Creative Commons Attribution 4.0 International License .

TNTS directional marine beacon 308 kHz. Visit sv1xv.blogspot.com/p/longwave-directional-beacons-in.html for description. (IMG_0133.JPG) This work is licensed under a Creative Commons Attribution 4.0 International License .

Vintage Clevite Brush headphones, made in USA, circa 1960s - photograph by Joe Haupt uploaded on Flickr under a CC-BY-SA-2.0 free license. Flickr file: www.flickr.com/photos/51764518@N02/51797352571 Short URL: flic.kr/p/2mV9YjX This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License .

An Epilochias (OR-7) of NATO NRDC-GR sets up a UHF TACSAT system during exercise "STEADFAST LEDA 2021" (STLE21) November 23 to December 2, 2021.

Vintage Realistic DX-440 "Voice Of The World" portable MW-shortwave receiver with BFO, sold by Radio Shack, made in Taiwan circa 1988. This radio was also sold as the Sangean ATS-803A. Photograph by Joe Haupt uploade to Flickr under a CC-BY-2.0 free license. Flickr file: www.flickr.com/photos/51764518@N02/51485958797 This work is licensed under a Creative Commons Attribution 4.0 International License .

Vintage Realistic DX-440 "Voice Of The World" portable MW-shortwave receiver with BFO, sold by Radio Shack, made in Taiwan circa 1988. This radio was also sold as the Sangean ATS-803A. Photograph by Joe Haupt uploade to Flickr under a CC-BY-2.0 free license. Flickr file: www.flickr.com/photos/51764518@N02/51487463704 This work is licensed under a Creative Commons Attribution 4.0 International License .

Vintage General Cement Radio chemical kit for radio technicians, made in USA, circa 1940s 1. Dark walnut stain 2. Light walnut stain 3. Contact cleaner 4. Non-slip compound 5. Lube Rex 6. Dial drive cement 7. Scratch polish Photo uploaded to Flickr by Joe Haupt under a CC-BY-SA-2.0 free license. Flickr file: www.flickr.com/photos/51764518@N02/50539963808

Vintage J.H. Bunnell & Company telegraph key (24), made In USA. Photo by Joe Haupt, uploaded on Flickr under a Creative Commons CC-BY-SA-20 free license. Flickr file: www.flickr.com/photos/51764518@N02/50514581782