Heinl radio business letter (Jan-June 1934)

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5/22/34 TUESDAY MORNING Technical Session (2nd Section) "A Mechanical Demonstration of the Properties of Wave Filters", by G. E. Lane, Bell Telephone Laboratories, Inc. , New York; "Control of Radiating Properties of Antennas", by C. A. Nickle, R. B. Dome, and W. W. Brown, General Electric Company, Schenect¬ ady, N. Y. ; "Measurement of Harmonic Power Output of a Radio Transmitter", by P. M. Honnell and E. B. Ferrell, Bell Telephone Laboratories, New York City; "Frequency Standards and Frequency Measuring Equipment", by J. K. Clapp, General Radio Co., Cambridg Mass. ; "North Atlantic Ship-Shore Radiotelephone Transmission During 1932-1933", by C. N. Anderson, Bell Telephone Laboratories Inc. , New York City. Luncheon will be served at the RCA Victor plant, Camden, N. J. , through the courtesy of the RCA Victor Company. TUESDAY AFTERNOON "An Experimental Television System" Introduction E. W. Engstrom; Transmitter R. D. Kell, A. V. Bedford, M. A. Tra.iner; Relay Circuit C. J. Young; Receivers, R. S. Holmes, W. L. Carlson, W. A. Tolson, RCA Victor Company, Inc. , Camden, N. J. TUESDAY NIGHT Informal Banquet. WEDNESDAY MORNING, May 30 Technical Session (1st section) "The Design and Testing of Multi-Range Re'ceivers", by D. E. Harnett and N. P. Case, Hazeltine Corporation, New York; "High-Fidelity Receivers with Expanding Selectors", by H. A. Wheeler and J. K. Johnson, Hazeltine Corporation, New York; "Acoustic Testing of High-Fidelity Receivers", by H. A. Wheeler and V. E. Whitman, Hazeltine Corp. , New York; "A Common Source of Error in Measurements of Receiver Selectivity", by E. N. Dingley, Jr. , Bureau of Engineering, Navy Department, Washington, D. C. Technical Session (2nd Section) "Recent Studies of the Ionosphere", by 3. S. Kirby and E. B. Judson, Bureau of Standards, Washington, D. C. ; "An Analysis of Continuous Records of Field Intensity at Broadcast Frequencies" by S. S. Kirby, K. , Norton, and G. H. Lester, Bureau of Standards, Washington, D. C. ; "Modern Methods of Investigating Ionization in the Atmosphere", by G. L. Locher, Bartol Research Foundation, Swarthmore, Pa.; "Seasonal Variation in the Ionosphere", by J. P. Schafer and W. M. Goodall, Bell Telephone Laboratories, New York. WEDNESDAY AFTERNOON "Development of Transmitters for Frequencies Above 300 Megacycles", by N. E, Lindenblad, R. C.A. Communications, Inc. , New York City; "An Electronic Oscillator With Plane Electrodes", by B. J. Thompson and P. D. Zottu, RCA Radiotron Company, Inc. , Harrison, N. J. ; "Transmission and Reception of Centimeter Waves", by I. Wolff, E. G. Linder, and R. A. Braden, RCA Victor Company, Inc. , Camden, N. J. XXXXXXXX 3