Prof Josaphat Circularly Polarized Antennas is published on Chapter 5 Circularly Polarized Array of book written by Prof Steven Gao, University of Kent, UK.
Circularly Polarized Antennas
Steven (Shichang) Gao, Qi Luo, Fuguo Zhu
ISBN: 978-1-118-37441-2, 322 pages
November 2013, Wiley-IEEE Press
http://as.wiley.com/Wi…/WileyTitle/productCd-111837441X.html