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THE NASA SEARCH FOR EVIDENCE OF TECHNOLOGICAL CIVILIZATIONS IN SPACE - PROJECT HRMS

 

David H. Brocker

NASA Ames Research Center

Moffett Field, CA 94035-1000

 

Peter Backus

SETI Institute

Mountain View, CA 94043

 

Abstract

NASA began in 1989 a project to search for microwave radio evidence of technological civilizations in space. The project, designated HRMS for High Resolution Microwave Survey, is designed to search the 1 to 10 GHz microwave window for narrow band signals that could be positively identified as being transmitted by a civilization of extraterrestrial origin. The project will use existing ground-based radio observatories throughout the world for the task. Two complementary strategies will be applied in the conduct of the search: the Targeted Search and the Sky Survey. The Targeted Search will observe about 800 Sol-like stars using the largest and most sensitive antennas available while the Sky Survey will scan the entire celestial sphere by continuously moving the smaller, more flexible antennas of the NASA Deep Space Network. NASA has developed complex systems for each of these elements and initiated the search using the prototype versions on October, 1992. The project will continue to the year 2001 in order to complete the search.

This paper will discuss the overall requirements and concepts of project HRMS, focusing on the Targeted Search. The Sky Survey is intended to be covered in another paper.

11 Pages

 

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