[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

Selected Bibliography

Ewen, H.I. and Purcell, E.M. 1951. "Radiation from Galactic Hydrogen at 1420 Mc/s" Nature 168, 356-357.

Ewen, H.I. 1953. "Radio Waves from Interstellar Hydrogen" Scientific American 189 (Dec), 42-46.

Ewen, H.I. 1967. "State of the Art of Microwave and Millimeter Wave Radiometric Sensors" In: Electomagnetic Sensing of the Earth from Satellites, held November 1965 at University of Miami, Coral Gables, FL. Edited by Ralph Zirkind. Polytechnic Press, C1-C23.

Caton, W.M.; Mannella, G.G.; Kalaghan, P.M.; Barrington, A.E.; and Ewen, H.I. 1968. "Radio Measurement of the Atmospheric Ozone Transition at 101.7 GHz" Astrophysical Journal 151, L153-L156.

Ewen, H.I. 1970. "Exploration and Exploitation of the 3 cm to 3 mm Wavelength Region" In: Advances in Microwaves V. Edited by Leo Young. Academic Press, 123-186.

Ewen, H.I. 1974. "Microwave Radiometric Sensors" In: Geoscience Instrumentation. Edited by Edward A. Wolff and Enrico P. Mercanti. John Wiley & Sons, 671-681.

Smith, Roger M.; Trott, Keith D.; and Ewen, Doc. 1995. "Passive Millimeter Wave Imaging Technology and Phenomenology (A Common Denominator Approach)." Millimeter and Submillimeter Waves II (SPIE Proc. 2558), 390-401.

Smith, R.M.; Trott, K.D.; Sundstrom, B.M.; and Ewen, Doc. 1996. "The Passive MM-Wave Scenario" Microwave Journal 39(3), 22-34.

Ewen, Doc; Smith, Roger; Sundstrom, Bryce; Belcher, Byron; and Trott, Keith. 1997. "Millimeter Wave Analysis of Passive Signatures (MAPS)" In: Passive Millimeter-Wave Imaging Technology (SPIE Proc. 3064), 2-14.

Smith, Roger; Sundstrom, Bryce; Belcher, Byron; and Ewen, Doc. 1998. "ROSCAM, A 95 GHz Radiometric One Second Camera." Passive Millimeter-Wave Imaging Technology II (SPIE Proc. 3378), 2-13.

Huddleston, Darryl; Savage, James; Sundstrom, Bryce; Belcher, Byron; and Ewen, Doc. 1999. "Radarometer Sensor - Simultaneous Active and Passive Imaging Using a Common Antenna." Passive Millimeter-Wave Imaging Technology III (SPIE Proc. 3703), 33-44.

Smith, Roger; Sundstrom, Bryce; Belcher, Byron; and Ewen, Doc. 1999. "Radiometric One Second Camera (ROSCAM) - Airborne Evaluation." Passive Millimeter-Wave Imaging Technology III (SPIE Proc. 3703), 2-12.

Ewen, Doc; Smith, Roger M.; and Belcher, Byron W. 2000. "All Weather Capabilities of Passive Millimeter-Wave Sensors" In: Passive Millimeter Wave Imaging Technology IV (SPIE Proc. 4032), 103-118.

Ewen, Doc; Smith, Roger; Belcher, Byron; and Huddleston Darryl. 2001. "Flight Test of a MMW Imaging Radarometer" In: Passive Millimeter-Wave Imaging Technology V (SPIE Proc. 4373), 24-34.

Modified on Tuesday, 19-Jul-2005 09:00:04 EDT by Ellen Bouton