Accession Number:

ADA053210

Title:

Effects of Horizontal Ground Wires on Low Angle Radiation from HF Antennas.

Descriptive Note:

Final rept. Dec 75-Dec 77,

Corporate Author:

PURDUE UNIV LAFAYETTE IND SCHOOL OF ELECTRICAL ENGINEERING

Personal Author(s):

Report Date:

1978-02-01

Pagination or Media Count:

21.0

Abstract:

Digital computer programs have been developed to evaluate the effects of horizontal ground wire systems on the low angle radiation from vertically polarized HF antennas. An extensive method of moments program WF-LLL2A has been modified for this purpose. An alternative approximate method has also been studied and the results compared. Results indicate the feasibility of these types of calculations and that a low angle field enhancement of 20 to 25 by design of the ground wire system may be possible at the higher frequencies in the HF band, but that larger ground screens do not necessarily give greater enhancements. The effect of backscreen reflector size was also studied. Author

Subject Categories:

  • Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE