Books, Articles and Editorials by Dr. Wilbur L. Pritchard

Books:

"Loading Effects," Chapter 3, CROSSED-FIELD MICROWAVE DEVICES, Vol. II, Part II, E. Okress, Ed., Academic Press, Inc., 1961.

"Communications Satellites," (co-authored with P.L. Bargellini), Chapter 6, COMMUNICATIONS TECHNOLOGY AND SOCIAL POLICY, George Gerbner, Larry P. Gross, William H. Melody, Eds., John Wiley & Sons, Inc., 1973.

WORLDWIDE COMMUNICATIONS SATELLITES SYSTEMS 1978-1988, (co-author), produced by Satellite Systems Engineering, Inc., Horizon House, 1978.

CHINA SPACE REPORT (co-authored with James J. Harford), AIAA, 1980.

"A Few Basics of Satellite Systems," Part III, AIR AND SATELLITE COMMUNICATIONS, Lee M. Paschall, Editor, AFCEA International Press, 1985.

SATELLITE COMMUNICATION SYSTEMS ENGINEERING (co-authored with Joseph Sciulli), Prentice Hall, Inc., 1986.

SATELLITE COMMUNICATION SYSTEMS ENGINEERING, 2nd ed. (co-authored with Henri G. Suyderhoud and Robert A. Nelson), Prentice Hall, Inc., 1993.

"The Calculation of System Temperature for a Microwave Receiver," Chapter 71,

THE COMMUNICATIONS HANDBOOK, Jerry D. Gibson, Editor-in-Chief, CRC Press/IEEE Press, 1997

Articles in Professional Journals:

"Quarter Wave Coupled Waveguide Filters," JOURNAL OF APPLIED PHYSICS, October 1947.

"Optimum Operation of Echo Boxes," (co-authored with W.M. Hall), PROCEEDINGS OF THE I.R.E., June 1951.

"Notes on Crystal Mixer Performance," TRANSACTIONS OF THE I.R.E., (MTT), January 1955.

"Design of Microwave Receivers of Optimum Noise Figure, TRANSACTIONS OF SECOND CRYSTAL RECTIFIER SYMPOSIUM, Fort Monmouth, New Jersey, February 1956.

"Long Line Effect and Pulsed Magnetrons," TRANSACTIONS OF THE I.R.E., (MTT), April 1956.

"Statistical Prediction of VSWR," (co-authored with J. Mullen), TRANSACTIONS OF THE I.R.E. (MTT), April 1957.

"Microwave Aspects of Space Communications," MICROWAVE JOURNAL, 1963.

"Criteria for the Choice of Synchronous or Medium Altitude System" TRANSACTIONS OF THE I.E.E.E. (CS), June 1964. Also published in the PROCEEDINGS OF THE XIV INTERNATIONAL ASTRONAUTICAL FEDERATION CONGRESS, Paris, September 1963.

"Military vs Commercial COMSAT Design," ASTRONAUTICS & AERONAUTICS, October 1964.

"Communication Link Performance for Commercial and Military Satellites," (co-authored with N. MacGregor), JOURNAL OF SPACECRAFT AND ROCKETS, July 1965.

"The Initial Defense Communications Satellite," MICROWAVE JOURNAL, November 1966.

"Communications Satellites and the World of Tomorrow," ASTRONAUTICS & AERONAUTICS, April 1968.

"COMSAT Labs -- A Progress Report," R&D, March 1969.

"The Advantages of Demand Assignment for International Satellite Communications Systems," JOURNAL OF THE BRITISH INTERPLANETARY SOCIETY, Vol. 23, No. 2, 2/70.

"Satellite Communications: A Review and Projection," TELECOMMUNICATIONS, September 1975.

"Satellite Communications -- An Overview of the Problems and Programs," PROCEEDINGS OF THE I.E.E.E., Vol. 65, No. 3, March 1977.

"The Case for a Joint Maritime and Aeronautical Satellites Network," SATELLITE COMMUNICATIONS, March 1978.

"Ariane vs Space Shuttle," ASTRONAUTICS & AERONAUTICS, April 1978.

"Ariane Races for Space (Payloads)," ASTRONAUTICS & AERONAUTICS, March 1980.

"The Holdup on Broadcast and Mobile Communications Satellites," ASTRONAUTICS & AERONAUTICS, September 1980.

"Getting Set for Direct-Broadcast Satellites," I.E.E.E. SPECTRUM, August 1982 (co-authored with Charles Kase).

"Economics of Satellite Communications Systems," ACTA ASTRONAUTICA, Vol. 8, No. 11-12, 1981.

"High vs Low Power for Direct-Broadcast Satellites," AEROSPACE AMERICA,L March 1984.

"Direct Broadcast Satellite Service by Direct Broadcast Satellite Corporation," I.E.E.E. COMMUNICATIONS MAGAZINE, Vol. 22, No. 3, March 1984 (co-authored with Harley W. Radin).

"The History and Future of Commercial Satellite Communications," I.E.E.E. COMMUNICATIONS MAGAZINE, Vol. 22, No. 5, May 1984.

"Estimating the Mass and Power of Communications Satellites," INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS, Vol. 2, 1984.

"Appraising Satellites," SATELLITE COMMUNICATIONS, September 1985.

"Development of Satellite Communications," MICROWAVES & RF," March 1987.

"Satellite Direct Broadcast," PROCEEDINGS OF THE I.E.E.E., Vol. 78, No.7, July 1990.

"Satellites in non-geostationary orbits. Coming technical and policy issues in the 1990s," SPACE POLICY, August 1993.

"Mobile Satellite Communications," (co-authored with W.W. Wu, E. F. Miller, and R. L. Pickholtz), PROCEEDINGS OF THE IEEE, Vol. 82, No. 9, September 1994.

"Interference Between Satellite Systems in Non-Geostationary Orbits," (co-authored with R. Nelson), INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS, Vol. 12, 95-105, 1994.

"Integrated Intersystem Coordination or How to Obtain More Effective Access To Radio Frequencies For Satellite Communications" (co-authored with J. Dicks, and A. Sinha), ACTA ASTRONAUTICA, Vol. 41, No. 3, 183-191, August 1997.



Papers Given at Conventions, Meetings, and Conferences: Among numerous talks, the following are typical:

"Design Differences Between Military and Commercial Communication Satellites," AIAA Paper No. 64-416, presented at the First AIAA Annual Meeting, June 29 - July 2, 1964, Washington, D.C.

"The Initial Defense Communications Satellite Program," AIAA Paper No. 66-267, presented at the AIAA Communications Satellite Systems Conference, May 1966, Washington, D.C.

"Satellite Broadcasting," presented at the Fifth AIAA Annual Meeting, October 1968, Philadelphia, PA.

"Broadcasting from Space," presented at the Chania International Conference on Space Research and Exploration, August 17-23, 1969, Chania, Crete.

"Communications Satellites," presented at the Chania International Conference on Space Research and Exploration, August 17-23, 1969, Chania, Crete.

"Satellites for TV Distribution," presented at the I.E.E.E. International Convention, March 24-27, 1969, New York, N.Y.

"Communications Satellite Technology, Present and Future," presented at Istituto Internazionale delle Communicazioni Symposium on Long Term Prospects for Satellite Communication, June 2-4, 1971, Genoa, Italy.

"Satellite Communications," presented at the Third Annual International Forum of the International Business Forms Industries, Printing Industries of America, 1971.

"Synergy of CATV Networks and Satellites," presented at the I.E.E.E. International Convention on Communications, 1972, New York.

"Communications Satellites," (co-authored with P.L. Bargellini) for the International Symposium on Communication: Technology, Impact and Policy, The Annenburg School of Communications, University of Pennsylvania, March 23-25, Philadelphia, 1972.

"Digital Satellite Communications: Achievements and Perspective," keynote address for the Second International Conference on Digital Satellite Telecommunications, November 28, 1972, Paris.

"Space Transportation for Satellite Communications," presented at 14th Goddard Memorial Symposium, American Astronautical Society, Washington, D.C., 1974.

"Satellites for Joint Maritime and Aeronautical Services," (co-authored with Reinhard Stamminger), presented at the XXVIIIth Congress of the International Astronautical Federation, September 25 - October 1, 1977, Prague, Czechoslovakia.

"SACOM, a Satellite Cost Model," (co-authored with Thomas A. Throop and C.J. Waylan), presented at ASCON '78, Washington, D.C., September 1978.

"Some Economic Aspects of Domestic Satellite Systems in the 1980's," presented at 19th Convegno Internazionale Scientifico sullo Spazio, March 12-14, 1979, Rome, Italy.

"Economics of Satellite Communications Systems," presented at the International Astronautical Federation, September 1979, Munich, Fed. Rep. Germany.

"Launching into Geostationary Orbit," presented at the Conference on Innovations in Telecommunications, Kuwait Foundation for the Advancement of Science, Kuwait, April 4-8, 1981.

"A Comparison of Communication Satellites in Geostationary and Non-Geostationary Orbits," presented at the International Astronautics Federation, Graz, Austria, 16-22 October, 1993.

"Thoughts on the Radio Regulations and the Revision of the Coordination Procedures for Satellite Communications," presented at Satellite 95, Washington, DC, March 1-3, 1995.

"Integrated Intersystem Coordination," presented at the 46th International Astronautical Congress, Oslo, Norway, October, 1995.

"Consideration on the Joint Operation of Optical Fiber Cables and Satellite Communications Systems," (co-authored with P. L. Bargellini and F. Carassa), presented at the Second Ka Band Utilization Conference and International Workshop on SCGH, Florence, Italy, September 24-26, 1996.

"The Communications Spectrum: Frequency Allocations and Auctions," presented at the 47th International Astronautical Congress, Beijing, China, October 7-11, 1996.

"Satellite communication in a world of fiber optics," presented at the IEEE/LEOS 1997 Summer Topical Meetings, Montreal, Canada, August 11-15, 1997.


"Engineering tradeoffs in building satellite networks. What is the future of satellite technology?," presented at the Satellite Financing & Strategic Alliances Conference, New York, New York, September 22, 1997.


Editorials:

"Education and Science in a Mature Society," TRANSACTIONS OF THE I.R.E. (MTT), January 1959.

"Future of Space Communications," MICROWAVE JOURNAL, November 1965.

"Trends in Technology for Communications Satellites," (co-editor with P.L. Bargellini), ASTRONAUTICS & AERONAUTICS, April 1972.

"Satellites, CATV, and the Microwave Industry," MICROWAVE JOURNAL, June 1972.

"Satellite Communications," TELECOMMUNICATIONS, April 1974.

"Is Satellite Communications a Viable Market?," TELECOMMUNICATIONS, November 1978.

"Auctioning Spectrum--A Bad Idea," "AEROSPACE AMERICA, November 1995.


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