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MA * 2 01958 Engineering Newsletter NATIONAL ASSOCIATION OF EDUCATIONAL BROADCASTERS 14 GREGORY HALL MARCH, 1958 URBANA, ILLINOIS TV TECHNICAL TIPS (January) —Cecil S. Bidlack A Ford Foundation grant will permit NAEB to hold a Video Recording Workshop for technical personnel May 5 to 9, 1958 at the WTTW studios in Chicago. A sub-committee of the NAEB Engineering Com¬ mittee met in Chicago on Dec. 16 to make tentative plans for the workshop and to discuss details of the program. The committee was aided in its discussion by the response to an inquiry mailed Nov. 11, 1957. This inquiry went to all NAEB ETV stations on the air, all stations under construction and to television production centers, asking for nominations of partici¬ pants and for program suggestions. The program of the Video Recording Workshop will cover primarily kinescope recording since the problems being encountered in this method of re¬ cording are immediate and timely. However, intro¬ ductory technical details of video tape recording will be presented, since it is expected that within the next two years ETV stations may be in the process of conversion to videotape. Although the date and place of the workshop have been set, many details of the arrangements are yet to be completed. Within the next month persons who have been selected will be notified and their names will be published in a future Newsletter. “Kinescope Recording Made Easy” is the title of a four page paper by Richard Helder of the WTTW staff which we mailed in November to chief engineers of ETV stations and production centers. Actually this isn’t a treatise on kinescope recording but is the detailed procedure for the operation of the WTTW kinescope recorder. We realized when we duplicated it that many of the items apply only to the WTTW operation, however we believed that it might be of value to others in setting up a routine for their own kinescope operation. We have additional copies for NAEB Engineering Newsletter March, 1958 NAEB Engineering Newsletter, a quarterly publication issued by the National Association of Educational Broadcasters, 14 Gregory Hall, Urbana, III. $2 a year, edited by Cecil S. Bid- lack. those who didn’t receive it and will mail it upon re¬ quest. ***** In a late mailing we also announced the avail¬ ability of used image orthicon tubes type 5820 and 6474 from the National Broadcasting Company. These tubes have been mostly retired for lack of sensitivity or sticking. NBC is offering them to edu¬ cational TV stations and production centers at $25.00 each. They will be shipped express collect with no guarantee of life. If you wish to purchase some of these tubes write to: Thomas H. Phelan, Manager TV Maintenance and Plant Facilities National Broadcasting Company, Inc. RCA Bldg., Radio City New York 20, New York You may specify either 5820 or 6474. The latter type is used in color television and designed for operation below the knee of the characteristic as contrasted to the 5820 operation above the knee. Mr. Phelan states that individual records have been kept on these camera tubes and that NBC will make every effort to see that only serviceable tubes are shipped. ***** The first Ampex production model Videotape Re¬ corders were delivered in late November to KING- TV, Seattle and KGW-TV, Portland and were im- 1