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


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



[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: PADLOC slide 20

[Radiometer and radar images of bridges]

PADLOC simultaneous active/passive images of bridges over the Connectucut River on the south side of Holyoke. Left: 87.5 GHz radiometer image. Right: 95 GHz radar image. The trestle bridge on the right has a strong radar return. Credit: Photos courtesy of Doc Ewen.

Modified on Monday, 13-Jun-2005 18:14:28 EDT by Ellen Bouton