The use of elliptically polarized radiation for gap-filling in the vertical pattern of the Canadian ZPI antenna. Comparison of horizontally polarized and elliptically polarized ZPI antennae

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DOI	Resolve DOI: https://doi.org/10.4224/21276391
Author	Search for: National Research Council of Canada, Radio Branch
Format	Text
Type	Technical Report
Series title	PRA; no. PRA-73
Physical description	44 p.
Abstract	The horizontally polarized antenna commonly used in RDF is greatly restricted in its usefulness, by the gaps which are usually found in its vertical radiation pattern. These gaps are caused by interference between the ray travelling directly from the antenna to the target and the ray reflected from the ground to the target. A typical vertical radiation pattern for such a horizontally polarized antenna is shown by the broken curve in Drawing No. RI-15-69.
Publication date	1943-03
Publisher	National Research Council of Canada, Radio Branch
Language	English
NPARC number	21276391
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Record identifier	3a83cd16-6bc5-44c1-8773-1dc50332ce41
Record created	2015-10-07
Record modified	2020-03-03