Accession Number:

ADD020185

Title:

Amphibious Antennas for Providing Near Vertical Incidence Skywave Communication

Descriptive Note:

Patent application, Filed 8 Oct 2004

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

2004-10-08

Pagination or Media Count:

12.0

Abstract:

This patent application discloses an amphibious antenna for providing Near Vertical Incidence Skywave NVIS communication when grounded to a conductive fluid. The amphibious antenna has a support member for supporting a helix. The helix includes a first helical arm that is not insulated and grounded, when in use, through a conductive fluid into which the antenna is placed, and a second helical arm that is insulated from the conductive fluid.

Subject Categories:

  • Electrical and Electronic Equipment
  • Electricity and Magnetism
  • Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE