Coba jelasin Lihat pula dari Radar dong

Ekolokasi atau biosonar adalah sonar biologi yang digunakan oleh beberapa jenis binatang.

Barrett, Dick, "All you ever wanted to know about British air defence radar". The Radar Pages. (History and details of various British radar systems)

Buderi, "Telephone History: Radar History ". Privateline.com. (Anecdotal account of the carriage of the world's first high power cavity magnetron from Britain to the US during WW2.)

Ekco Radar WW2 Shadow Factory  The secret development of British radar.

ES310 "Introduction to Naval Weapons Engineering.". (Radar fundamentals section)]

Hollmann, Martin, "[http://www.radarworld.org/index.html Radar Family Tree". Radar World.

Penley, Bill, and Jonathan Penley, "Early Radar History—an Introduction". 2002.

Pub 1310 Radar Navigation and Maneuvering Board Manual, National Imagery and Mapping Agency, Bethesda, MD 2001 (US govt publication '...intended to be used primarily as a manual of instruction in navigation schools and by naval and merchant marine personnel.')

Swords, Seán S., "Technical History of the Beginnings of Radar", IEE History of Technology Series, Vol. 6, London: Peter Peregrinus, 1986

Burch, David F., Radar For Mariners, McGraw Hill, 2005, ISBN 978-0-07-139867-1.

Kaiser, Gerald, Chapter 10 in "A Friendly Guide to Wavelets", Birkhauser, Boston, 1994.

Kouemou, Guy (Ed.): Radar Technology. InTech, 2010, ISBN 978-953-307-029-2, (Radar Technology - Free Open Access Book | InTechOpen).

Younghusband, Eileen., Not an Ordinary Life. How Changing Times Brought Historical Events into my Life, Cardiff Centre for Lifelong Learning, Cardiff, 2009., ISBN 978-0-9561156-9-0 (Pages 36–67 contain the experiences of a WAAF radar plotter in WWII.)

Younghusband, Eileen., One Woman's War''. Cardiff. Candy Jar Books. 2011. ISBN 978-0-9566826-2-8

MIT Video Course: Introduction to Radar Systems A set of 10 video lectures developed at Lincoln Laboratory to develop an understanding of radar systems and technologies.

Popular Science, August 1943, What Are the Facts About RADAR one of the first detailed factual articles on radar history, principles and operation published in the US

"The Great Detective", 1946. Story of the development of radar by the Chrysler Corporation

Christian Hülsmeyer and the early days of radar

Radar: The Canadian History of Radar - Canadian War Museum