Volume 4 November, 1955 Number 3 LaPort Discusses Antenna Kadiutioti SECTION MEETING 'High-Lights Of Antenna Lore' NOVEMBER 15 "HIGH-LIGHTS OF Is Subject Of LaPort Talk ANTENNA LORE" In the Auditorium at 8 P.M. The third Fall 1955 meeting of the Long Island IRE Section will lia\ Stratford Avenue School as its speaker Mr. Edmund A. LaPort. Garden City liadio Corporation of America. The meeting will he held at the Stratford Pre-Meeting Film Avenue School. Garden City, on Tues- day. November 15. The talk, which is Auditorium, 7:35 P.M. titled "Hight-Lights of Antenna Pre-Meeting Dinner Lore," will be given at 8 P.M.. and will follow a pre-meeting film. At Howard Johnsons This month's speaker began his Jericho Turnpike, Mineola career as a service technician for sta- 5.45 P.M. tion WJZ back in 1921. As cam- munications began to burgeon, Mr. LaPort went to G.E. for a short stay and then to Westinghouse where he PGMTT MEETING did radio transmitter design and NOVEMBER 29 served as station construction en- gineer. Subsequent work in single- "WAVEGUIDES FOR LONG- side band and asymmetric side band DISTANCE COMMUNICATION" floating carrier systers for program In the Auditorium at 8 P.M. transmission over power lines fol- lowed. In 1936 Mr. LaPort joined Stratford Avenue School RCA at Camden in charge of high- Edmund LaPort, Radio Garden City power transmitter engineering. Suc- Corporation of America ceeding this he was transferred to Pre-Meeting Dinner RCA Victor Ltd., Montreal, where he At Howard Johnsons served as Chief Products Engineer. The topic under discussion will in- He remained in this work until 1944 clude the basic concept of radiation Jericho Turnpike, Mineola \n he was called to New York to from linear conductors. Electric and 6 P.M. head up the engineering staff of the Magnetic dipoles will be described. newly formed RCA International Di- The discussion will proceed with the vision. In 1954 he was made Chief fundamental components previously NOTICE Administrative Engineer for Com- discussed combined into arrays to Please be reminded that Pro- munications. RCA. control radiation by wave-interference fessional Group meetings are Mr. LaPort has been interested in methods. The use of reflecting and open to all IRE members and interested non-members. The the studies of antenna since 1930. guiding surfaces for pattern con- Professional Group meetings The knowledge acquired over the trol are next considered. The final are not closed meetings; and years has been compiled in book topic will be pattern control by con- membership in the Professional form. "Radio Antenna Engineering" tori of wave velocity through elec- Group is not a requisite for published in 1952. tromagnetic lenses. attendance. The PULSE of Long Island The Institute of Radio Engineers Long Island Section SECTION OFFICERS Paul Hansel, Chairman David Dettinger, Vice-Chairman R. Page Burr, Treasurer Wilbert Frantz, Secretary EDITORIAL STAFF Walter Ruddy, Editor field engineers • electronic instrumentation Stuart Casper, Advertising Manager James F. Craib, Murry Heyert, Joseph McDonald, J. Arthur Plante- roth, James Randall, Associate Edi- announcing tors. Editorial and advertising deadlines are the first of the month preceding <il) HEWLETT-PACKARD the month of issue Address correspondence to THE PULSE OF LONG ISLAND P. O. Box 789, Mineola, N. Y. High Accuracy The PULSE is mailed to IRE mem- bers who give as their address a postoffice in Suffolk, Nassau, or Vacuum Tube Voltmeter Queens Counties. In addition, mem- bers who live in Queens can receive Model 400H both The PULSE and The MONI- TOR by requesting them from Head- quarters. Price $325.00 IXFIMIAL NAVIGATION ; FEATURES: IS TOPIC AT PGANE The Theory and Instrumentation • 1 % Accuracy • Frequency Range 10 cps to 4 Megacycles of Inertia] Navigation S\s will • Voltage Range 0.1 Millivolts to 300 Volts lie discussed In Bernard Litnian and • Accuracy -H!%, 50 cps to 500 KC Joseph Slatsinger. both of Anna Di- ±2%, 20 cps to 1 MC \isioii. American Bosch. The talk will ±5%, 10 cps to 4 MC IK- gi\eii Thursday. November 10. • Input Impedance 10 Megohms, 15 mmf lO.Vi at the meeting of the New • Stability Less than 0.5°0 20 cps to 1 MC • Size 111/4" High, 7V*" Wide, 11V Deep York Chapter of the Professional Group on Aeronautical and Naviga- tional Electronics (PGANE). Meet- All The Features Of The Widely Used HP 400 ing place is General Electric Audi- Vacuum Tube Voltmeter Plus 7% Accuracy torium. o~0 Lexington Avenue, New For more information phone or write: York at 7:30 P.M. JOSEPH RACKER COMPANY, Inc. associates Engineered-Wi'itiiig Consultants Specializing in the preparation of 170 Eo.t 80th St., New York 21, N. Y. THofolgo. 9-3023 manuals to government specifications 1 14 East Main St., Bogota, New Jeriey Diamond 2-5343 140 Nassau Street New York 38, N. Y. Worth 4 1463 WHEELER LABORATORIES, INC. Beta Electric Corp. • Budd • Stanley Co, Inc. • John Fluke Mfg. Co. • Hewlett • Packard Co. Consulting — Research — Development • Kay lab • Pime> Inc. • Sorenien & Co., Inc. • Vorian Aiioclatel R-F Circuits — lines — Antennas Microwave Components — Test Equipment Harold A. Wheeler and Engineering Staff Great Neck, N. Y. HUnter 2-7876 Page 2 ... The PULSE Meetings In And Around Long Inland November 15, 1955 at 8 P.M. Long Island Section MANUFACTURERS REPRESENTATIVES FOR: In the Auditorium ALLISON LABORATORIES • LABORATORY FOR ELECTRONICS Precision Variable Audio Filters 10 cps DC-10 MC Oscilloscope, Microwave Stratford Avenue School to 20 kc Oscillators, 10 MC Time Rate Indicator, Delay lines AREMAC- ASSOCIATES Garden City, N. Y. Oscilloscope Cameras • LABSCOPE, INC. DC 200 KC Oscilloscope, Calibrator "High-Lights of BRUSH ELECTRONICS COMPANY Direct Writing Oscillographs, Amplifiers, • MAGNETIC RESEARCH CORP. Antenna Lore" Audio and Acoustic Test Instruments, Tube less DC Power Supplies, Magnetic Digital Counters Amplifiers Edmund A. LaPort • NARDA CORP. CASCADE RESEARCH CORP. Frequency Meters, Waveguide Test Radio Corporation of America Microwave Ferrite Equipment Equipment, Bolometers, Thermistors DONNER SCIENTIFIC COMPANY • NJE CORPORATION Pre-meeting dinner at 5:45 P.M. Audio Oscillators, Wave Analyzers, Standard and Laboratory Grade Accelerometers, Analog Computers Regulated DC Power Supplies Howard Johnsons, Jericho Turnpike ELECTRO-INSTRUMENTS INC. • ROGER WHITE ELECTRON DEVICES Precision Direct Reading Digital Microwave Gas Control Tubes, Voltmeters, Ohmmeters Backward Wave Oscillators, Traveling Wave Tubes November 29, 1955 at 8 P.M. ELECTRO-PULSE, INC. • SERVO CORP. OF AMERICA Wide Range Pulse and Time Delay Servoscope, Servoboard, Amplifiers, Professional Group on Generators Infra Red Bolometers, VHF Receiver Microwave EMPIRE DEVICES PRODUCTS CORP. • SIERRA ELECTRONIC CORP. Noise, Field Intensity, Microwave Test Reflection Coefficient Meter, Directional Theory and Techniques Equipment Couplers, Carrier Voltmeters, Wattmeters Stratford Avenue School WHAT IS YOUR PROBLEM?—Ask your Bur/ingome FieW Engineer Garden City, N. Y. ROBERT CRANE "Waveguides for Long Distance Communication" A. C. Beck Bell Telephone Laboratories for Really ACCURATE November 10, 1955 at 7:30 P.M. Automatic Line-Voltage Regulation Professional Group on Aeronnautical and Navagational 5O Amperes Electronics (6 KVA) General Electric Auditorium Type 1570-A Lexington Ave. at 51st Street, N. Y. Automatic Line-Voltage Regulator: "Theory and Instrumentation of $465 Inertial Navigation Systems" * Voltage Held Constant to ±0.25% * No Waveform Distortion Bernard Litman and * High Response Speed: 10 Volts Per Second * No Power Factor Restrictions Joseph Statsinger * Output Voltage Adjustable to ±10%of Input * High Efficiency: 98% * No Relays — No Transient Pulses — No Chattering Arma Corporation Table, Relay-Rack or Wall Models for 115- and 230-Volt Input WRITE FOR G-R VOLTAGE-REGULATOR BULLETIN November 9, 1955 at 8 P.M. Northern New Jersey Section Hillside School GENERAL RADIO Company Montclair, New Jersey Branch Engineering Office in NEW YORK 90 West Street New York 6, New York "How Signals Get Telephone WOrth 4-2722 To and Through the Brain" GEORGE G. ROSS C. WILLIAM HARRISON Dr. W. S. McCulloch MIT November, 1955 Page 3 The Program SPOTLIGHT ON DETTINGER Committee A Sidelong Squint at Onr Section rice-Chairman By Dave Dettinger Our section Vice Chairman this ties have been seriously interfered The program planning committee year is David Dettinger of Wheeler with recently by his purchase of a is the group, newly formed this year, Laboratories. Inc.. in Great Neck. house in Port Washington. He now which aids the Section Vice-Chair- Dave, who is a Senior Member of performs his feats of strength by man in setting the direction of the IRE, served as Secretary of the Long cutting grass. gear's activities. Fortunately, at the Island Sub-Section for the 1949-50 committee's first meeting it was faced term, and was a member of the na- uitli having many excellent choices— tional IHE Tellers Committee in 1952. having, one might say. the embar- Dave received his U.S. in I'lusics rassment of choice. from St. Lawrence University, and Such a profusion of ideas comes continued his studies at M.I.T. He as no surprise when one knows the worked at lla/eltine Electronics Corp. io-ler of the Meetings and Papers in Little Neck from 1942 to 1945, Committee. Besides the Section of- went to Teleregister Corp. in New ficers. Paul Hansel, Page Burr and York City for two years, and return- Wilbur Frantz. the past chairman. ed to Long Island as Chief Engineer Bill Bailey, was on hand. Walter of Wheeler Laboratories in 1947. He Ruddy of the PULSE, Frank Willev became Vice President of the com- of the Lecture Series Committee, Al pany in 1954. Corwin, chairman of the PGI, and Dave's outside interests include ski- Joe Kearney, vice chairman of the ing (whenever he can find snow I. PG.YITT. were also there.