[Doc Ewen looks into the horn antenna, 1950]
Image courtesy of Doc Ewen

Introduction

Harvard Cyclotron: 1948-1951


Detection of HI Line: 1951

Harvard 24ft and 60ft and NRAO founding: 1952-1956

1950s and 1960s: Two Roads that Crossed

Microwave & Millimeter Wave Applications in the 1970s and 1980s

Mm Wave Radiometry in the 1990s

May 2001 visit to NRAO Green Bank

Bibliography

Permissions


[Doc Ewen and horn antenna, 2001]
Image courtesy of Doc Ewen

Doc Ewen: The Horn, HI, and Other Events in US Radio Astronomy

by Doc Ewen, © 2003

Slide 15: Harvard 60ft Telescope Slides

[Jack Campbell working on 1044]

Jack Campbell working on the 1044 radiometer. Jack was Director of Technical Operations at Ewen Dae Corp., then joined NRAO, working first in Green Bank WV, and then in Socorro NM. [Photo courtesy of Doc Ewen]

Slide 16
Modified on Monday, 13-Sep-2004 14:06:39 EDT by Ellen Bouton