A THEORETICAL STUDY OF THE EQUIANGULAR SPIRAL ANTENNA Open PDF Document Details Document Type Technical Report Publication Date Sep 12, 1958 Accession Number AD0204548 Entities People Plessa E. Mast Organizations University of Illinois Urbana–Champaign Tags Communities of Interest Advanced Electronics Air Platforms DTIC Thesaurus Topics Air Force Aircrafts Antennas Bessel Functions Broadband Antennas Complex Variables Coordinate Systems Electric Fields Electromagnetic Fields Engineering Frequency Legendre Functions Magnetic Fields New York Radiation Scalar Functions Spiral Antennas