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ommunIcatiens INCLUDIN THE COMPLETE WHITE'S RADIO LOG `\w/-RLD AM FM TV SHORTWAVE FALL -WINTER 1975 $1.35 ff 02003 JOIN THE j*cTIOIl Tune in the Cops, Fire Fighters, Pilots, Weather Forecasters- ,--- WI en who make tomorrow's news! fr Hear Mobile Telephones Great Lakes Marine Frequencies VHF -UHF Band Hot Spots Aircraft Emergency Channels DISCOVEII THE VIOIILD OF SIIOIITWJWE LISTENING Hear the news from abroad before the newspapers do! The DX Lingo How Signals Skip Sun Spots vs. Reception What Bands to Tune Shortwave Clubs Buying a SW Receiver Aiso, tips n- TV DXing BCB Tuning under 500 kHz and a heck of a lot more! By the Editors of ELEMENTARY ELECTRONICS III" A DAVIS PUBLICATION Get the news before it's news... with a"behind-the-scenes"Scanner Radio from Pocket-size Realistic scanners seek and lock -in on exciting police, fire and emergency calls, even continuous weathercasts* There's Radio Shack! one to cover the action in your area -11 models in all. PRO-6-VHF-Hi and VHF -Low Electronically scans up to 4 crystal -con- VHF trolled channels on 148-174 or 30-50 HI-E_0 MHz. Stops on each active channel until ® conversation ends, then resumes scan- ANTENNA ning. You don't miss a thing-it's like 4 radios in one. Lighted channel indicators, NI switches for bypassing any channels, MANDA( scan/manual switch, variable volume and 1 2 3 4 EARPHONE squelch, built-in antenna, earphone jack. OFF VOLUME With 4 "AA" cells. Requires up SOUEICN to 4 crystals. *20-171. 11995 PRO-4A-VHF-Hi Band Like the PRO -6, but covers VHF- 9995 Hi only. *20-174 PRO -5 UHF "Metro" Band Same as the PRO -4A, but covers 450-470 MHz used in many larger cities 95 *20-169.119 Accessories Available. Plug-in antenna. 12VDC adapter, AC adapter/battery charger, rechargeable batteries. FREE New 1976 Radio Shack Catalog OVER 2000 PRODUCTS EXCLUSIVES ON EVERY PAGE BEAUTIFUL FULL COLOR 'On VHF -Hi band in over ,'O s Stereo Quadraphonic Phonographs TV Antennas Radios Citizens Band NEW PRO-16A-Super Scanner Kits Recorders Tape Tools for the ultimate at-home Auto Tune -Up Electronic Parts or mobile listening post Test Instruments More! 164 pages of the finest in home and hobby electronics Respected brand names like Realistic, Micronta. Archer. 00000000 Fair and re Science - they Me. available only at Radio With dealers Extended UHF Shack stores and 6) nationwide' See what s really Coverage 4 Ei®i) v r Op® new in electronics by getting this catalog now Scans up to 16 crystal -controlled channels, in any combination, on 30-50 and 148-174 MHz VHF and 450-512 MHz UHF. Like having 16 SEND FOR YOURS TODAY! radios in one! Lockout buttons and indicator lights for each channel, FILL OUT COUPON BELOW manual selector, squelch, variable scan rate, scan -delay in/out button. 12VDC/ 120 VAC operation, mobile mounting bracket. 1052. Requires up to 16 crystals. U.L. listed. *20-165 22995 1976 Mail to Radio Shack, P. O. Box 578 Catalog Ft. Worth, Texas 76101. (Please print.) Police -frequency listening may be regulated by local authorities Name Apt. No. Street City ftad me lhaeK Master Charge or A TANDY CORPORATION COMPANY Bank Americard at State ZIP OVER 3500 STORES 50 STATES 7 COUNTRIES participating stores Retail prices may vary at individual stores L CIRCLE 4 ON READER SERVICE COUPON The chances are excellent that... You have a talent other people are willing to pay for! You're "handy" around your troubleshooting a TV. (And the TV is yours to keep, too !) This combi- house, have the ability to fix nation of "head and hands" learning things, and "make them work locks in your understanding of the crucial principles you'll use on-the- right"... that's why there job in your new career. But, don't may be a rewarding career kid yourself .. for you in Electronics. Electronics is not an "easy" science and CIE courses are not "snaps." Subject matter is technical, thorough, A career in Electronics? and challenging. It has to be. We're Absolutely. Because you're interested training you for a career. So the pre- in things. How they work. Why they sentation of ideas is logical, written in work. How to take them apart and easy -to-understand language ... you put them back together. Plus .. progress step-by-step, at your own you've got a head for detail work. pace. Your chances are excellent CIE Education by mail With the right kind of specialized ,f There is no need to "go back to the technical training, you can have a classroom" with CIE. Because you challenging, financially rewarding future waiting for learn at home or wherever else is convenient. You you in Electronics. Think of the career opportunities keep your present job and income. No cross-town ... computers, aerospace, 2 -way radio communica- commutes. You decide when and where you study best. tions, radio/TV broadcasting, medical electronics, to Your eventual success ... at CIE and in your elec- name just a few. tronics career ... will be determined by your own And, surprisingly, you don't need a college degree! motivation and self-discipline. You can do it. And CIE All you need to do to qualify for one of these excit- can show you how. ing career fields is to build upon the technical aptitude you already have ... just put your hands and your Put your talent to full use head to work with a CIE Electronics career course. We believe that you may be a "natural" for Electron- ics, and we'd like to tell you more about potential You learn by doing career fields and our school. We'll be glad to send you The CIE method of instruction is the refinement of our complete package of FREE career information if over 40 years of Electronics, independent home -study you'll send in the card or coupon. For your conven- experience. It works. And you don't need any prior ience, we'll try to have a school representative contact electronics experience. A CIE career course can take you to review various educational programs and assist you from ground zero right up to training in Lasers, in course selection. As soon as we receive your request, Microminiaturization, Radar, Analog Computers, we'll mail you our school catalog, complete G.I. Bill and various applications in Communications. details, and special information on government FCC In some CIE courses, you'll perform "hands on" License preparation. experiments and tests with your own CIE Experimental There's no obligation. Electronics Laboratory. And, if TV technology and dig- Let' discuss your new career in Electronics, NOW! ital Electronics are your main interest, you can select Send for your FREE school catalog and career infor- from several courses that result in constructing and mation TODAY. BIM CIECleveland Institute of Electronics, Inc. 1776 East 17th Street, Cleveland, Ohio 44114 ' Accredited Member National Home Study Council Yes, I want your FREE school catalog and career information package. CW-06 Print Name Address Apt City State Zip Age APPROVED FOR EDUCATIONAL BENEFITS UNDER G.I. BILL Check box for G.I. Bill information : Veteran D On Active Duty COMMUNICATIONS WORLD/Fall-Winter 1975 3 communications IIIáii\ MPA RLD FALL/WINTER 1975 CONTENTS THE STAFF DX Dialogue The World Above 30 Megs A Closer Look at Editor -in -Chief Julian S. Martin, WA2CQL the Bands Bird's -Eye View of Higher Hertz VHF on Land, the Associate Editor Sea, and Air Radiotelephone (RCC) Frequencies Aeronau- Jeffrey Apter tical DX Scanning the Top Bands Great Lakes VHF Marine Technical Editor Frequencies Snowband DXing Old but New DX All States Peter L. Dexnis, WA3LOQ on Medium Wave Up the Ladder Spanish ABCs Foreign Audio Editor Stephen B. Gray BCB Broadcasting on Shortwave Feedback Time Around News Editor the World Snooping on the Spies The Shortwave Receiver Rosina F. Sokolnicki The Pre -Used Set More DXing Questions The Impossible Communications Editor Dream Club Information Don Jensen Art and Production Managing Director ... Starts on Page 17 Gertrud Borchardt Graphic Design Director Ralph Rubino WHITE'S RADIO LOG Cover Art Director Irving Bernstein U.S.AM Stations by Frequency 45 Art Assistant U.S. AM Stations by Location 58 David Pindar U.S. AM Stations by Call Letters 67 Advertising Director David J. Miller, KCX1268 U.S. FM Stations by Location 76 Production Editor U.S. FM Stations by Call Letters 83 Philip Clark U.S. TV Stations by Location 90 Newsstand Circulation Director Don Gabree 93 Canadian AM Stations by Frequency Subscription Circulation & Canadian AM Stations by Location 94 Marketing Director Robert V. Enlow Canadian AM Stations by Call Letters _ _ _ 95 Instruments Division Manager Canadian FM Stations by Location 96 Wilfred M. Brown Canadian FM Stations by Call Letters 96 Director of Market Development Canadian TV Stations by Location 96 James C. Weakley Electronics Group Coordinator Worldwide Shortwave Stations 98 Julian S. Martin President, Chairman of the Board DEPARTMENTS (1957-1972) B. G. Davis New Products 6 President and Publisher Literature Library 8 Joel Davis Reader Service Page 15 Vice President and General Manager Leonard F. Pinto Ask Hank, He Knows! 16 Vice President and Treasurer Action Band Receivers 44 Victor C. Stabile, KBP0681 COMMUNICATIONS WORLD is published semi-annually by Davis Publications, Inc. Editorial and business offices: 229 Park Avenue South, New York, N.Y. 10003. Advertising offices: New York, 229 Park Avenue South, 212 -OR 3-1300, Chicago, 520 N. Michigan Ave., 312-527-0330; Los Angeles: J.