![Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow](https://pbs.twimg.com/media/FUOsCzDXsAMRsOG.jpg:large)
Ian Brown on Twitter: "Netherbutton Chain Home radar station became operational #OTD in 1939, 83 years ago, the first radar station in Orkney, placed to protect the Home Fleet in Scapa Flow
![In Great Britain's darkest hour, they illuminated the skies: Chain Home radar towers. | Engineering design, Battle of britain, History 101 In Great Britain's darkest hour, they illuminated the skies: Chain Home radar towers. | Engineering design, Battle of britain, History 101](https://i.pinimg.com/originals/7b/a1/4a/7ba14a75d9a88bb5084c9dff50edd5a5.jpg)
In Great Britain's darkest hour, they illuminated the skies: Chain Home radar towers. | Engineering design, Battle of britain, History 101
The Chain Home Early Warning Radar System: A Case Study in Defense Innovation > National Defense University Press > News Article View
![Model, scale 1:30, of 240 ft wooden receiving tower for CH (Chain Home) radar, Mark I East Coast pattern | Science Museum Group Collection Model, scale 1:30, of 240 ft wooden receiving tower for CH (Chain Home) radar, Mark I East Coast pattern | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/131/957/medium_1962_0365_0001__0001_.jpg)
Model, scale 1:30, of 240 ft wooden receiving tower for CH (Chain Home) radar, Mark I East Coast pattern | Science Museum Group Collection
![Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb Chain Home Radar Station near Dover from the air | aerial photographs of Great Britain by Jonathan C.K. Webb](https://www.webbaviation.co.uk/aerial/_data/i/galleries/Kent/Dover/Chain_Home_Radar_db50927-me.jpg)