Spatial correlation of transionospheric signal time delays

Author

Soicher, Haim

Author_Institution

Communications/Automatic Data Processing Lab., US Army Electronics Command, Fort Monmouth, NJ, USA

Volume

26

Issue

2

fYear

1978

fDate

3/1/1978 12:00:00 AM

Firstpage

311

Lastpage

314

Abstract

Excess time delays of transionospheric radio signals introduce ranging errors in satellite-navigation and radar systems, which are directly proportional to the total electron content (TEC) along the propagation path. Correlation between TEC at Fort Monmouth, NJ ( $40.18\\deg$ N, $74.06\\deg$ W) and Richmond, FL ( $25.60\\deg$ N, $80.40\\deg$ W) was determined. The correlation analysis was performed at monthly and daily intervals for the equinoctial and winter periods during the quiet phase of the solar cycle. Positive maxima of monthly correlation coefficients were $g\\sim 0.9$ for data comparisons at identical or nearly identical times, and decreased when the data sets were shifted in time with respect to each other. Positive maxima of daily correlation coefficients were, in general, $g\\sim 0.9$ . Seasonal variations were noticeable.

Keywords

Ionospheric propagation; Radar distance measurement; Satellite communication, propagation; Satellite navigation systems; Antennas and propagation; Atmosphere; Delay effects; EMP radiation effects; Electromagnetic propagation; Electrons; Extraterrestrial measurements; Frequency; Ionosphere; Radar antennas;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.1978.1141826

Filename

1141826