Acknowledgement

I am grateful to my gurus, Prof. B.N. Das and Prof. Ajoy Chakraborty of IIT Kharagpur, who taught me fundamentals of Applied Electromagnetics.

I thank all my colleagues, Prof. Madhusudhan Rao, Prof. Venkata Rao, Prof. Veena Kumari, Dr. Hari Babu, Prof. Raja Rajeswari, Prof. Satyanarayana Reddy, Dr. Mallikarjuna Rao, Mrs. Santa Kumari, Dr. Gopala Rao, Mr. Sampath Kumar and Dr. Panduranga Reddy for their cooperation throughout.

It is a privilege to convey my gratitude with warm regards and respects to Sri K. Raghu, Chairman, Raghu Engineering College, and Sri S.V.S.S. Rama Chandra Raju, former PF Commissioner and Director, Raghu Engineering College, for their kind appreciation of my efforts in teaching and research and for giving me unmatched support in all my academic endeavors. I also thank Sri N.V. Rama Raju for extending support in my academic and professional efforts.

I am most grateful to Prof. K.C. Reddy, a renowned economist and Chairman, Council for Higher Education, Government of Andhra Pradesh for releasing the International edition of the book on Antennas and Wave Propagation and for his kind appreciation of the book.

I convey my gratitude to Prof. Y.C. Simhadri, Hon’ble Vice-Chancellor of Andhra University for his full support with encouragement and also for sending an excellent message of appreciation for Antennas and Wave Propagation.

I am thankful to Prof. D. Ganapathi Rao, who is kind enough to release the Indian edition of the book.

It is a privilege to thank Radm. S. Mohapatra, former Director, Dr. K. Satyanarayana, Director, Dr. V. Bhujanga Rao, Associate Director, Sri B. Vara Prasada Rao, Deputy Director and Senior Scientist, Cdr. T.K. Guha Roy, NSTL for their keen interest and moral support to my work in electromagnetics.

I am grateful to Prof. P.S. Rao, Principal, and Prof. P. Soma Raju, Secretary and Correspondent, GVP College of Engineering for their kind appreciation of Antennas and Wave Propagation.

I cherish the association of all my research scholars Mallikarjuna Rao, Sridevi, Gopala Rao, Misra, Sudhakar, Baba, Padma Raju, Chandra Bhushana Rao, Prasad, Habibullah Khan, Subrahmanyam, Narayana, Sadasiva Rao, Gutti, Mallikarjuna Prasad, K.V.S.N. Raju, Murali Krishna, Rajesh and Swamy in putting their efforts for their Ph.D. degrees. I thank my friends, Prof. Appa Rao, Prof. K.V.L.P. Raju, Prof. Paramahamsa and Gopala Krishnam Raju for the moral support given to me throughout.

I thank Prof. Sarvarayudu, Prof. Raghuram, Prof. Prabhakara Rao, Prof. P.V.D.S. Rao of JNTU and Prof. Subbaiah of Nagarjuna University for their keen interest and appreciation for the book.

I thank Mr. Narayana, a sincere and hardworking scholar for assisting in proof reading with interest and devotion.

I love all my students who are always fond of my teaching, guidance and discipline.

I extend my regards to all senior authors and experts in Electromagnetic Field Theory for their invaluable contributions.

I am extremely grateful to the Department of Electronics and Communication Engineering, College of Engineering, Andhra University, for the encouragement given through out my teaching and research career.

I am grateful to the reviewers of this book for their excellent positive feedback.

I thank the most intelligent and Pro-poor Doctor Dr. G. Prasad, M.D., D.M., for his support and happiness given to me during preparation of the book. I also thank Dr. B. Dharani Priya for her appreciation of the book.

I express my thanks for the support extended by our technical and office staff, Koteswara Rao, Somayajulu, Sahu, Prasada Reddy, Appala Raju, Srinivas, Babji, Ramesh, Adilakshmi, Nara Hari, Ramana, Tavudu and Kondamma. The assistance given by Sankar is acknowledged with thanks for preparing the manuscript.

I take this opportunity to convey my respects to my parents Venkatrama Raju and Sitama and thanks to my wife Kanaka Durga, daughter Narmada Devi (B.Tech-CSE) and son Venkata Krishna Varma (B.Tech) IIT-Delhi for their love, affection, help and patience throughout the preparation of the book.

Finally, I thank all those who helped me directly and indirectly in bringing out this book.

G.S.N. RAJU