Accession Number:

AD0871200

Title:

Correlation Bandwidth Measurements over Troposcatter Paths

Descriptive Note:

Final rept. Mar 1969-Jun 1970

Corporate Author:

MARTIN MARIETTA AEROSPACE ORLANDO FL

Report Date:

1970-06-01

Pagination or Media Count:

403.0

Abstract:

A theoretical and experimental study of correlation bandwidth over troposcatter paths was made over a seventeen month period from February 1969 through June 1970. The field test program consisted of experiments to determine cross correlation coefficient versus frequency separation and fade characteristics over four different troposcatter paths in the northwestern region of New York State. X- and C-band signals were transmitted simultaneously using a common antenna from the RADC Test Site in Model City, New York, to Ontario Center, New York, to Whitford Field near Weedsport, New York, to Point Petre, Ontario Canada over water, or to Port Byron, New York. Each of the paths were of different characteristics so that the effect of terrain and path length could be assessed. The receiving instrumentation was located in a mobile trailer and moved from site to site every several weeks to provide seasonal variations. The resulting data were recorded on magnetic tape for computer processing at the Martin Marietta computer facility in Orlando, Florida. The output information consisted of simultaneous X-and C-band measurements of cross correlation coefficient versus frequency separations up to 9 MHz and statistics of fade rate, fade duration, fade depth, and signal amplitude distributions.

Subject Categories:

  • Radio Communications
  • Voice Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE