High Resolution HF Time of Arrival Measurements (1981-1985),

Abstract

Between 1981 and 1985, absolute time of arrival (TOA) measurements were made on HF skywave time standard signals at different frequencies. 113 path-months of TOA data were collected over a one hop path between Ft. Collins, CO, and San Diego, CA. In addition, 15 path-months of data were collected between Ft. Collins and Oahu, HI, and 12 path-months were gathered on signals between Tokyo, Japan and Oahu. The data show a higher degree of ionospheric movement than was expected. It also shows a higher degree of stratification within layers than can normally be explained with simple, single layer ionospheric assumption.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1987
Accession Number
ADA191901

Entities

People

  • Robert B. Rose

Tags

Communities of Interest

  • Sensors
  • Space

DTIC Thesaurus Topics

  • Availability
  • Classification
  • Demography
  • Detection
  • Frequency
  • Frequency Standards
  • Geolocation
  • High Resolution
  • Identification
  • Ionosphere
  • Magnetic Tape
  • Measurement
  • Monitoring
  • Pattern Recognition
  • Recognition
  • Standards
  • Time Standards

Readers

  • Mathematics or Statistics
  • Radio communications and signal processing.
  • Urban Planning and Geography.