The Antenna Measurement Techniques Association (AMTA) is a non-profit, international organization dedicated to the development and dissemination of theory, best practices and applications of antenna, radar signature and other electromagnetic measurement technologies. Visit www.amta.org for more information. Not a member of AMTA ? Sign up now for membership: Regular Member (US $75/year): https://www.amta.org/i4a/ams/public/member_start.cfm?mbrAppID=1&pageID=3277 Student / Retiree (US $20/year): https://www.amta.org/i4a/ams/public/member_start.cfm?mbrAppID=4&pageID=3436