![Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more](https://pbs.twimg.com/media/DsegVy6UwAAzCXK.jpg)
Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more
![Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more](https://pbs.twimg.com/media/DsegWndVAAA-G_s.jpg)
Cabel on Twitter: "These bad boys are KS-15676 L9 Horn-Reflector Antennas with the L21 Modification which "further reduces the level of some sidelobes in the radiation pattern of the antenna". Read more
![Radenko Milak, The horn reflector antenna at bell telephone laboratories in Holmdel, New Jersey was built in 1959 for pioneering work in communication satellites for the Nasa Echo I, 2019 | Rutger Brandt Gallery Radenko Milak, The horn reflector antenna at bell telephone laboratories in Holmdel, New Jersey was built in 1959 for pioneering work in communication satellites for the Nasa Echo I, 2019 | Rutger Brandt Gallery](https://artlogic-res.cloudinary.com/w_1200,c_limit,f_auto,fl_lossy,q_auto/artlogicstorage/rutgerbrandtgallery/images/view/c1dccbb99a5264d8fa6c1bbb5a6b9050/rutgerbrandtgallery-radenko-milak-the-horn-reflector-antenna-at-bell-telephone-laboratories-in-holmdel-new-jersey-was-built-in-1959-for-pioneering-work-in-communication-sate.jpg)
Radenko Milak, The horn reflector antenna at bell telephone laboratories in Holmdel, New Jersey was built in 1959 for pioneering work in communication satellites for the Nasa Echo I, 2019 | Rutger Brandt Gallery
![radio communication - How does this strangely-shaped horn at Honeysuckle Creek Tracking Station work? - Space Exploration Stack Exchange radio communication - How does this strangely-shaped horn at Honeysuckle Creek Tracking Station work? - Space Exploration Stack Exchange](https://i.stack.imgur.com/drnJ1.png)