Slide 39: Two Roads that Crossed in the Wood - Growth of US Radio Astronomy in the 1950s and 1960s
![[Tyler installs 75 GHz RF head on Needham telescope]](ewen_50sand60s_slide39.jpg)
Slide 40
Modified on by Ellen BoutonSlide 39: Two Roads that Crossed in the Wood - Growth of US Radio Astronomy in the 1950s and 1960s
Warren Tyler installs a 75 GHz RF head at the focal point of the Needham radio telescope, 1963. The ladder is leaning against the air-supported radome. Credit: Photo courtesy of Doc Ewen.
Slide 40