Accession Number : ADD002204
Title : Hardened Antenna Element Cover.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C
Personal Author(s) : Fitzroy,Nancy D ; Mann,Ronald L ; Gerling,Henry B ; Reale,John D
Report Date : 22 Jul 1975
Pagination or Media Count : 3
Abstract : The patent describes a hardened cover to provide weather protection (rain and thermal radiation) to an antenna element of a radar system. The antenna element includes a pair of dipoles in normal relation. Each dipole assembly includes a solid and hollow post, a cross-over wire extends between the posts to connect to a dipole arm carried on each post. The hardened cover is comprised of polytetrafluoroethylene (Teflon) filled laminated fiberglass which can be classed as an ablative material.
Descriptors : *Protective coverings, *Patents, *Radar antennas, Radomes, Fiber reinforced composites, Glass reinforced plastics, Tetrafluoroethylene resins, Laminates, Thermal radiation, Ablative materials, Rain, Radiation hardening
Subject Categories : Electrical and Electronic Equipment
Active & Passive Radar Detection & Equipment
Distribution Statement : APPROVED FOR PUBLIC RELEASE