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A MACTIER PJBL 'CATION / JUNE 1968 am 1111 11131BROADCAST MANAGEMENT ENGINEERING al 1111 all 'FOCUS CCLCU TV FILM 1111 all efe, IOFE169E-229MXBH2 4 FESEL FRES SCI2TO RrosT,3 C3 2777 'ACIZI.Ar\D AVE CCLJS Lh 43211 C) o www.americanradiohistory.com how to ease into a deluxe color sync: geneiator without straining your In three easy steps, you can build your way economically to the same high quality deluxe color sync generator used by the major TV networks. Start out with Riker's basic EIA sync generator-four modules, rack frame and power supply- udget $2900. When your budget can afford the expansion, add two more modules for deluxe sync lock and you get the advantage of three selectable speeds for locking to an external composite video or sync signal. Cost: $790. Now you're all set to step up to color. Add three more modules-$1985-and you have eased into Riker's widely used, r. field -proven Model 520-4CL Color Sync Generator with Deluxe Sync Lock. You now own the best sync generating system in the broadcast industry. The Riker module at a time approach is the sensible way to build quality equipment into your facilities. Over the long term it's also the most inexpensive way. If you're interested in details on sync generators, write or call Riker-the one company in the TV broadcast industry offering a complete line of all solid-state instrumentation for video analysis, simulation and control. PRCDUCTS FOR VIDEO ANALYSIS, SIMULATION 8 CONTROL RIKER VIDEO INDUSTRIES, INC., 100 Parkway Drive South, Hauppauge, Long Island, N.Y. 11787 (516) 543-5200 www.americanradiohistory.com 42' of 75 -ohm cable 50' down the line, 66' farther is induc- 110' from the splice, 55' from deforma- is open caused to a defective house capacitive defect tive fault caused by the cable has been tion tap. caused by water in spliced line. deformed by sinking by open termination. cable. concrete wall. s i 1 CABLE FAULT GUESSWORK ENDS HERE The hp E75 -140A CATV Fault Locator Package includes an Improve Picture Quality, hp 140A Oscilloscope mainframe with P7 phosphor CRT, hp H08 -1415A Fault Locator Plug-in, hp 10458A 7552 adapter with Quickly Identify and Locate CRT overlay, and hp Application Note 67 with TDR slide rule. For complete specifications on the special CATV Fault Lo- cator Package, contact your local hp field engineer. Or, write Cable Faults with hp TOR to Hewlett-Packard, Palo Alto, California 94304. Europe: 54 Route des Acacias. Price: hp E75 -140A CATV Fault Locator Spend your time on the air ... not up in the air! With hp's Package, $1900. E75 -140A CATV Fault Locator Package, you save time and money because you can (1) quickly locate and identify cable hp140A-The Scope System that gives you faults, (2) detect faults before they can cause downtime, (3) get your system back on the air much sooner in the event of a sud- den crippling fault, and (4) consistently maintain high picture quality. Use the hp E75 -140A package to get a graphic picture of ca- ble quality-and such faults as shorts, opens, loose connectors, defective tapoffs, splices and mismatched terminations. High sensitivity and resolution of the package detects faults to within 5 percent of the actual distance from the test point. The E75 -140A, factory calibrated for your 7552 system, makes it easy for you to locate faults in up to 3000 feet of cable, and read the distance in feet. With a flick of the front panel slide switch, you can choose the calibrated scale for either polyfoam or polyethylene cable. The vertical scale is calibrated in per- cent of reflection for easy use. A slide rule is supplied to con- MHz Wideband High -Sensitivity, no drift 150 ps TDR vert the proper value for dielectrics other than polyfoam or 20 polyethylene. 12.4 GHz Sampling Variable Persistence and Storage Long persistence P7 phosphor CRT eliminates annoying flicker when you view the slow sweep speed in DETAIL mode. Special 75'2 overlays allow you to read impedance levels di- rectly off the CRT face. Use the recorder outputs to make per- HEWLETT PACKARD manent records of your system. A n extra measure of performance Circle 4 on Reader Service Card 3 - Cirlcle I on Reader Service Card www.americanradiohistory.com JUNE 1968/ VOLUME 4/ NUMBER 6 6 Broadcast Industry News Focus on CATV, p. 10 16 Interpreting The FCC Rules & Regulations Television Multiple Ownership Rules Reviewed 26 WRIZ's Offshore Transmitter Makes for Lively Logistics Using STI and speedboats and aircraft for proof -of- performance tests are some of the imaginative solutions wiuz has found for its unusual problems. 30 The CATV Nonduplication Controversy-Part II BM/E A discussion of the effect of the rules on TV stations and BROADCAST the problems of contours and picture quality. 32 What To Do About TV's Unbelievably OFF-COLOR Films MANAGEMENT/ An in-depth report reveals an industry "time bomb"- NTSC color standards, or the lack thereof. ENGINEERING 40 The Ampex Portable: Two -Plumbicon Color Spells Lots of Gadgetry Busier than a one-armed paper hanger, the Ampex BC-100 accomplishes what no other color portable camera now Co-Publishers: in production can do. How it does it is something that HAROLD. H. SHORT takes a little looking into. JAMES A. LIPPKE 43 KPRC Parlays Color Newsfilms into Boosted Revenue Airing hot news in color, KPRC is capturing the attention Editor: of news -hungry Houston viewers. TAMES A. LIPPKE 45 New Impact Added by Station's Color Format Wtwc is leading Columbus competition with color format Associate Editor: and full stable of color equipment. WALTER G. SALM 46 Hidden Test Signals Boost Color Quality Network flagships are sending color test signals 60 times Assistant Editor: a second. Here's how to find and use them. ALBERT P. LAHNDT, JR. 48 New Video Disc Slows and Stops the Action Resembling a turntable that plays disc top and bottom Broadcast Consulting Editor: simultaneously, the VM 90 slows and/or stops video for VERNE M. RAY action analysis. 54 Broadcast Equipment Cable Distribution Contributing Editor: Reports on newly introduced products and equipment. LON CANTOR 71 Names in the News 76 Broadcasters Speak Art Director: Feedback and chit-chat from BM/E readers. WALTER MESAROS Reader Service Card USE FREE postage paid card to receive more data on Production Manager: new products and literature described in this issue. ARLINE G. JACOBS 79 Literature of Interest Valuable data you can obtain by using the Reader Service Circulation and Reader Service Director: card between pages 78 and 79. R. RANDOLPH BELL 81 Classified Marketplace 85 Index to Advertisers Marketing Services Manager: 86 Editorial JACK LOW Postscripts to "What to Do About Off -Color Films" President: RALPH RICHARDSON Mactier Publishing Corp. 820 Second Ave., New York, N.Y. 10017, 212 661-0450 Publishers also of: BROADCAST EQUIPMENT BUYERS GUIDE EEE ELECTRONIC PROCUREMENT B PA BM/E, Broadcast Management/Engineering, is published monthly by Mactier Publishing Corp. All notices pertaining to undeliverable mail or subscriptions should be addressed to 820 Second Ave., New York, N.Y. 10017. BM/E is circulated without charge to those responsible for station operation and for specifying and authorizing the purchase of equip- ment used in broadcast facilities. These facilities include a -m, fm, and TV broadcast stations; CATV systems; ETV stations, networks This month's cover: Several features and studios; audio and video recording studios; consultants, etc. this month are devoted to our theme: Subscription prices to others are: U.S., its possessions and Canada- Focus on Color TV. The cover zeroes two years; one year, in on "off color" TV films. Gus Sauter $5.00 one year, $9.00 elsewhere-$7.50 $14.00 and Vince Lewis teamed up to portray two years. that idea. Or did your mind's eye cor- Copyright © 1968 by Mactier Publishing Corp., New York City. rect for the color shift in the middle panel- If so, skip pages 32-39. Controlled Circulation postage paid at Duluth, Minn. June, 1968 - BM/ E www.americanradiohistory.com Color it red, green or blue but above all color it true! The rhyme may be pretty corny, but take our word for it, the results you can expect with our new Model 538 Chromax Masking Processor aren't. Whether it's Campbell Soup Red, Oasis Blue, or even Lucky Strike Green, Chromax delivers true color fidelity from your telecine chain. The new CBS Laboratories development electronically corrects color distortion caused by optical color filter overlap and the response characteristics of camera pick-up tubes. You get true color fidelity automatically - without adding noise to the picture. Come to think of it, you really don't have to take our word for anything. You can call us collect anytime (203) 327-2000 for details on how you can try one in your PE -240 chain. If you're not in too much of a hurry for a better color picture, then write the Professional Products Department at CBS Laboratories for more details on this Masking Processor and others now being designed. PROFESSIONAL PRODUCTS LABORATORIES Stamford, Connecticut. A Division of Columbia Broadcasting System, Inc. Circle 5 on Reader Service Card June, 1968- BM/ E S www.americanradiohistory.com XIEWSBROADCAST I\DUS1 Y Commo Birds Save tion, about the 121/2 -percent return sive rate reductions, ranging from sought by Comsat, are now not 25- to 40 -percent, in their previous Users $20 -Million only silent on this, but have charges for leased circuit facilities Speaking recently on "Regulation adopted it as reasonably applicable and have also reduced many in the Space Age-Challenge and to their investment in the earth message telephone charges by some Opportunity" at a panel session of stations." 25 percent.