SOME CHARACTERISTICS OF RADAR ANGEL ECHOES

Abstract

Time lapse motion picture data was taken of AN/TPQ-11 A-scope radar response to invisible targets commonly referred to in the literature as angels. The information obtained permitted an evaluation of the peak power returned, the cross section of the radar target, the time during which the target intercepted the radar beam, and the apparent velocity of the target. The information recorded over a two-day period indicated that the echo characteristics are capable of being segregated and are reasonably consistent within each of three distinct periods. The nature of the information available from these data reveal some of the detailed manifestations of angel activity and suggest the possibility of learning more about this phenomenon so that its cause and origin may eventually be more clearly understood and predicted. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1962
Accession Number
AD0277903

Entities

People

  • N. Vrana

Organizations

  • Air Force Cambridge Research Laboratories

Tags

DTIC Thesaurus Topics

  • Learning
  • Literature
  • Motion Pictures
  • Peak Power
  • Power
  • Radar Beams
  • Radar Targets
  • Targets
  • Test And Evaluation

Readers

  • Radar Systems Engineering.
  • Systems Analysis and Design