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===Post-war development===
Although Pietzner, Schellhoss, and Wächtler retired in West Germany, some of their second-echelon technicians were taken to the [[USSR]] after the war. At least 30
The array in Skibsby was extensively studied by the British and then destroyed following the war in accordance with the Geneva Convention. Dr. Wächtler arranged to have a second array built, at Telefunken expense, at Langenargen/Bodensee, for further experimentation after the war. In the years following the war, the U.S. disassembled the Langenargen / Bodensee array and brought it back to the U.S., where it became known as the "''Wullenweber''" array.
One of the German antenna researchers, Dr. Rolf Wundt, was one of hundreds of German scientists taken to the U.S. by the Army after the war under [[Operation Paperclip]]. He arrived in New York in March 1947 on the same ship as [[Wernher
Professor Edgar Hayden, then a young engineer in the [[University of Illinois at Urbana-Champaign|University of Illinois]] Radio Direction Finding Research Group, led the reassembly of the ''Wullenweber'', studied the design and performance of [[HF/DF]] arrays and researched the physics of HF/DF under contract to the U.S. Navy from 1947 through 1960.
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In 1998 the Augsburg array ({{coord|48.45121|N|10.86275|E|scale:10000}})—located in Gablingen, a town in the north of Augsburg—was turned over to the [[Bundesnachrichtendienst]]. Technology enthusiasts, reporters, and even local politicians are still not admitted to the complex and there are few official statements about its purpose. The area was greyed out in the map layers of Google Maps<ref>Remark: It was clearly visible in Google on 22 May 2015.</ref> and Bing Maps. Therefore, it is believed to be still in service being used by BND and NSA as part of a larger complex of combined informational technology.
===Post–Cold War arrays===
[[File:NASA FIRMS 2025-08-17 Chernyakhovsk CDAA 0.8km.png|thumb|Satellite imagery of the 0.8 km radius [[Chernyakhovsk CDAA]]]]
{{Asof|November 2020}} the Strategic Reconnaissance Command of the [[Bundeswehr|German Armed Forces]] operates as one of its three stationary [[Sigint]] battalions a {{convert|410|m}} wide circularly disposed array in [[Bramstedtlund]]. It was inaugurated in 1995 with construction started in 1989.<ref>{{cite web|title= Ein Vierteljahrhundert “Kastagnette“ |url= https://www.bundeswehr.de/de/organisation/cyber-und-informationsraum/aktuelles/ein-vierteljahrhundert-kastagnette-4184780 |work= [[Bundeswehr]] |date=2022-11-12 |access-date=2025-08-25 |lang=de |trans-title= A quarter-century Kastagnette“}}</ref>
In August 2025 media reported on [[Chernyakhovsk CDAA]], an almost finished, 1,600 m wide circularly disposed array circa 5 km southeast of the [[Chernyakhovsk (air base)|Chernyakhovsk airbase]] in the [[Kaliningrad enclave]].<ref>{{cite news|title= Satellite Images Appear To Show Russia Has New Spy Base on NATO's Doorstep |url= https://www.newsweek.com/russia-kaliningrad-spy-base-satellite-images-baltic-sea-nato-2117706 |work= newsweek.com |first1= Jordan |last1= King |first2= John |last2= Feng |date= 2025-08-22|access-date=2025-08-23}}</ref><ref>{{Cite news |date=2025-08-20 |title=Putin lässt Mega-Abhörstation bauen – direkt an Nato-Grenze! |url=https://www.bild.de/politik/ausland-und-internationales/putin-laesst-mega-abhoerstation-bauen-direkt-an-nato-grenze-68a46c8ece696d388164233a |access-date=2025-08-22 |website=bild.de |language=de}}</ref><ref>{{Cite news |title=Huge Antenna System is Being Built in Kaliningrad to Monitor NATO |url=https://militarnyi.com/en/news/huge-antenna-system-is-being-built-in-kaliningrad-to-monitor-nato/ |author=Vladislav V. |date=2025-08-21 |access-date=2025-08-23 |website=Militarnyi |language=en-US}}</ref>
==See also==
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