Television digest with AM-FM reports (Jan-Dec 1951)
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asked to review whole subject in broader policy aspects. ( "Telecommunications ; A Program for Progress", published by Govt. Printing Office, $1.)
Report suggested ways and means of best utilizing spectrum, was welcomed by industry because it urged that all govt, "users" must justify their radio frequency demands no less than private users, and that there must be close cooperation with FCC in allocating as between govt, and non-govt, users and uses.
Report ran whole gamut of wire and wireless fields. With respect to TV's hopes for more vhf channels, it threw cold water on idea because of impact on military and safety of life services already entrenched.
Pratt is now in Geneva attending an international radio conference, is due back soon to be sworn into S 15, 000 job which is supported by White House contingent fund and requires no Senate confirmation. He will have offices and staff provided by National Security Resources Board. He must resign IT&T jobs. Just turned 60. he is a native of San Francisco, veteran of old Marconi Wireless Co., onetime Navy and Bureau of Standards scientist, IT&T technical executive for last 23 years.
First official FCC look-see at compatible color, as demonstrated with tri-color tube by RCA (Vol. 7:29) and further developed under auspices of National Television Systems Committee (Vol. 7:30), takes place next week when Commission’s top-level engineers view 4 different demonstrations by NTSC Panel 13.
This panel of 20 leading industry engineers, headed by Hazeltine’s A. V. Loughren, is preparing color video standards for submission to full NTSC, after which fieldtesting of those standards will be conducted under Panel 16 headed by DuMont’s Dr. T. T. Goldsmith. FCC technicians have also been assigned to view field tests later.
Standards panel is considering “variant forms,” so NTSC can choose details regarded most advantageous.. Thereafter, it can be presumed NTSC — probably RCA also, separately — ^will ask FCC to reopen color hearings and adopt new standards either in lieu of or in addition to already-adopted CBS field sequential.
At NTSC invitation, FCC designated its group to go to GE labs in Syracuse, Monday, Aug. 6; Hazeltine, Little Neck, N. Y., Aug. 7; RCA, Princeton, Aug. 8; Philco, Morrisville. Pa., Aug. 9. FCC representatives are Edward W. Allen, chief engineer; Curtis B. Plummer, ex-chief engineer, now chief of Broadcast Bureau; Edward W. Chapin, chief of Laboratory Div.; William C. Boese, acting chief. Technical Research Div.
Commission, meanwhile, this week authorized GE’s experimental KE2XHX in Syracuse to carry color transmissions, and Philco will demonstrate via its own WPTZ on Channel 3. Live subjects presumably will be used at most of the demonstrations, though Hazeltine plans still pictures because it does not yet have camera.
Philco also is planning periodic demonstrations on noncommercial hours (9:30-10:30 a.m.) to ask WPTZ viewers to report on quality of monochrome images received — just as did RCA-NBC in recent New York colorcasts. Meanwhile, company offers adapters to its sets for those wishing to get CBS pictures in black-&-white, but itself is not planning to make any CBS-type receivers or slave units.
Upon shoulders of CBS-Columbia Inc. (formerly Air King) is falling burden of task of popularizing field-sequential receivers, very few other set makers finding it feasible as yet to spare materials from their black-&-white lines. Company is understood to be facing serious materials shortages, as are all other manufacturers, due to govt, limitations. There’s considerable doubt in trade whether CBS Brooklyn plant can actually turn out promised 25,000 color TV receivers plus 50,000 black-&-white sets remainder of this year — unless NPA grants special aid, regarded unlikely in view of past actions.
CBS reports such enthusiastic response to its color
demonstrations in Cincinnati, in collaboration with WKRCTV, that they’re being extended to Aug. 22. But instead of rotating receiver among local Kroger stores, WKRC-TV is placing it in local Coney Island amusement park so more people can see. Dayton’s WHIO-TV, starting Aug. 8, will carry full CBS color schedule (10:30-11 a.m. & 4:30
5 p.m.) for 3 days, with receivers rotated in Kroger stores.
Next big New York promotion will be CBS colorcasts of 3 Brooklyn Dodgers games from Ebbetts Field, Aug. 11
6 25 and Sept. 8.
* ♦ * ♦
Summary of NTSC standards for composite system of compatible color is featured in August issue of Electronics. Editor Don Fink describes approaches taken by different companies in industry effort to find best system. In same issue is article describing simple all-electronic picture generator for color TV, by Hazeltine’s R. P. Burr, W. R. Stone and R. 0. Noyer. Test patterns developed by generator, which can provide signals for RCA or CBS systems, are illustrated in color on magazine’s cover.
Following 22 stations were authorized by FCC this week to increase powers (see story, p. 1) — all to 5-kw transmitter output unless otherwise noted: WDEL-TV,
Wilmington (500 w); WTVJ, Miami; WAGA-TV, Atlanta; WBKB & WGN-TV, Chicago; WHAS-TV (4.6 kw), WAVETV, Louisville; KMTV, Omaha; WJZ-TV, WOR-TV & WPIX, New York; WHAM-TV, Rochester; WHEN, Syracuse; WKTV, Utica (4.3 kw); WXEL, Cleveland; WTVN, Columbus; WICU, Erie (500 w); WJAC-TV, Johnstown; WGAL-TV, Lancaster (250 w, aural only); WSM-TV, Nashville; KRLD-TV, Dallas; WSAZ-TV, Huntington. Applications pending at week’s end: W’BRC-TV, Birmingham; KNBH & KTSL, Los Angeles; KFMB-TV, San Diego; KRON-TV, San Francisco; WENR-TV & WNBQ, Chicago; WHBF-TV, Rock Island; WTTV, Bloomington; WFBM-TV, Indianapolis; WWJ-TV, Detroit; WKZO-TV, Kalamazoo; WNBF-TV, Binghamton; WCBS-TV & WNBT, New York; WSYR-TV, Syracuse; WCPO-TV, Cincinnati; WNBK, Cleveland; WKY-TV, Oklahoma City; WTVR, Richmond.
RCA has announced new 10-kw vhf TV transmitters, to conform with FCC’s proposal for higher power stations. It’s forerunner of projected 50-kw amplifier. New transmitters use air-cooled tetrode tubes in final power stages, eliminating watei’-cooling methods, provide peak visual power of 10 kw, aural 5 kw. Model TT-IOAL is designed for channels 2-6, TT-IOAH for 7-13.
IRE’s fall meeting scheduled for Oct. 29-30 in King Edward Hotel, Toronto, being arranged by Sylvania’s Virgil M. Graham, with color main topic.