[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

Millimeter Wave Radiometry in the 1990s: MAPS slide 3

[MAPS land mine images]

Landmines on the water/ice test range at Millitech/Telaxis. The water/ice bin was approximately 30x60 feet. Building I is in the background. All images were passively generated by MAPS at 95 GHz. Credit: Photo courtesy of Doc Ewen.

MAPS slide 4
Modified on Saturday, 04-Jun-2005 21:16:31 EDT by Ellen Bouton