IN THIS ISSUE - AmericanRadioHistory.Com

More documents

Recommendations

Info

adee. _ Editor and Asst. Publisher OLIVER READ, D.Sc., WIETI Managing Editor WM. A. STOCKLIN, 8. S. Technical Editor H. S. RENNE, M. S. Service Editor CHARLES TEPFER /¡pirif in radii/o- feleviaion -aatli0- eLecfronicl Average Paid Circulation over 246,000 Radio News Trademark MB. U. B. Pu. Omet RADIO &- TELEVISION NEWS Television News Trademark R.B. U. B. Pai. pple Pat. Un. 4 Assistant Editors P. B. HOEFER M. C. MAGNA Television Consultant WALTER H. BUCHSBAUM Short -Wove Editor KENNETH R. BOORD Art Editor FRANK SAYLES Draftsmen A. A. GANS, W2TSP J. A. GOLANEK Advertising Manager L. L. OSTEN Midwest Adv. Manager JOHN A. RONAN, JR. Western Adv. Manager JOHN E. PAYNE COVER PHOTO: One vehicle in the elaborate Mississippi Highway Safety Patrol communications system. The "forest" of antennas shown erected on and around the truck cover all the applicable communications bands. (Ektachrome by Lloyd C. Hawkins) ZIFF -DAVIS PUBLISHING COMPANY President B. G. DAVIS Vice -Presidents H. J. MORGANROTH M. H. FROELICH Secretary -Treasurer G. E. CARNEY Circulation Manager M. MICHAELSON BRANCH OFFICES CHICAGO l I ) 64 E. Lake St., AN 3 -5200 LOS ANGELES 114) Stoller Center, 900 Wilshire Blvd., Mich. 9856 CONTENTS OCTOBER, 1954 Mobile Communications Center Provides Emergency Service Fred C. McKay, W5LIM 39 A Low- Powered Phono Amplifier Hector E. French 42 Communication Set -The Easy Way Jay Stanley 44 TV Cinderella E. D. Lucas, Jr. 47 Two -Tube Square -Wave Generator J. Giannelli 50 "Bootstrap" Interval Timer Murray Hillman, W6QHK 52 Economy Model Grid Dipper Robert D. Oliver 54 A Tone- Compensating Preamp John H. Daniel 56 Certified Record Revue Bert Whyte 60 A Regenerative Short -Wave Receiver William C. Stoecker 61 Fundamentals of Color TV- Deflection and High Voltage (Part 8) Milton S. Kiver 64 Economy Model TV Sets Walter H. Buchsbaum 68 New Multichannel Mixer 71 The "Mark 12" Victor Brociner 72 Mac's Radio Service Shop John T. Frye 74 A Photoelectric Contrast Control Peter J. Vogelgesang 89 Antenna Antics Art Margolis 90 Fringe Area FM Antenna Jesse L. Meredith, Jr. 100 New TV Grants Since Freeze Lift 112 New TV Stations on the Air 112 Outdoor Soldering Elbert Robberson 118 Power Supply for Reforming Electrolytics Joseph Amorose 122 I Married a TV Technician Lea Kessler 138 Use Your Receiver for P.A. Work Everett G. Taylor, WBNAF 152 Find the Open Filament Phil Weiss 156 Radio -TV Service Industry News 170 DEPARTMENTS For the Record The Editor 8 What's New in Radio 103 Spot Radio News I6 New TV Products 141 Manufacturers' Literature 162 Within the Industry 28 Technical Books 169 Short -Wave K. R. Boord 70 New Audio Equipment 180 COPYRIGHT 1954 (All Rights R d) 1'I 0Ay,u ZIFF -DAVIS PUBLISHING COMPANY WILLIAM B. ZIFF (1898 -1953) FOUNDER Editorial and Executive Offices 07 366 Madison Ave., New York 17. N. Y. VOLUME 52 NUMBER 4 Member Audit Bureau of Circulations SUSGSIPTION SERVICE: All co unications concerning m subscriptions should he addressed to Circulation Dept., 64 B. Lake St., Chicago 1m ill. Subscribers c should allow at least lour weeks for mange or address . CONTRIBUTIONS: Contributors . advised to copy of Meir m and illustrations. Contributions should be mailed t e New York Editorial Other and m accompanied by return postale. contributions will be handled with reasonable c this magasine esponelbii(iv for their safety. Any copy cepted is blest to whatever adaptations and revision l necessary to the r or this Pw.ueatton. Payment co all author's. m tributora. and contestant rights. title e requirements and Interest In and the m trial cepted and WOl 1 our rates upon ac remane.. All photos and drawinesow ill beat considered as part of the material ed. RADIO & TELEVISION NEWS
. r 1 uinTIu1T1R Work o'er 300 ractíca/projects ifY/th/ THESE PARTS'', :r. -...TO I HELP YOU LEARN :to All Electronic Paris YOURS TO KEEP! 4,10% Build and keep this BIG DTI Engineered TV set -easily converted to U.H.F. (DTI offers another home training, but without the TV set.) EL 5[1 RADIO -ELECTRONICS Now ... at home in spare time you can get BOTH the very training and subsequent Employment Service you need to help you start earning real money in America's thrilling, multi- billion dollar opportunity field of Television -Radio -Electronics. Now that Television is coming to almost every community, here is a chance of a lifetime to prepare to cash in on one of Television's great expansions. D.T.I.'s amazingly practical home method enables you to set up your own HOME LABORA- TORY. You get many Electronic parts which you mount on individual bases with spring clip connectors. Tops for experimenting! Add or remove parts in a jiffy. No wasted hours of soldering and unsoldering for each project. You spend minimum time to get maximum knowledge of important circuits that really work. In fact, you get exactly the same type of basic training equipment used in our Chicago training laboratory -one of the nation's finest. Build and KEEP This VALUABLE TEST EQUIPMENT Your home laboratory projects also include building and keeping o versatile 5 inch Oscilloscope and precision Jewel Bearing Multi- Meter. These quality commercial test instruments help you EARN WHILE YOU LEARN and will prove mighty valuable, should you later decide to start your own full time TV -Radio service business. You also build and keep a quality 21 inch TV SET. D.T.I. Provides EVERYTHING YOU NEED to master TELEVISION In addition to your home laboratory and easy -to -read lessons, you even use HOME MOVIES -a wonderfully effective and exclusive D.T.I. training advantage. You watch hidden actions... see electrons on the march. Important fundamentals ... become "movie clear," helping you learn faster ... easier ... better. Full time Residential training in D.T.I.'s great Chicago laboratories also available. MAIL COU- PON TODAY for all facts. (If subject to Military Service, you'll especially welcome the information we have for you.) D. T. l.'s Training is available in Canada "ONE OF AMERICA'S FOREMOST TELEVISION TRAINING CENTERS" DEVRY TECHNICAL INSTITUTE AFFILIATED WITH DEFOREST'S TRAINING, INC. CHICAGO 41, ILLINOIS October. 1 954 DEVRY TECHNICAL INSTITUTE 4141 BELMONT AVE., CHICAGO 41, ILL. DEPT. RN -10-K I would like your valuable information -packed publication showing how I can get started toward a good job or my own business in Television- Radio -Electronics. Nome Ape Street Apt .__ -- City Zone State
Page 1 and 2: OCTOBER 1954 35 CENTS In U. S. and
Page 3: 1 WILL TRAIN YOU AT NOME FOR GOOD P
Page 7 and 8: HEAR THE Based on the famous Univer
Page 9 and 10: 1955 AC LKUE ALLIED 308 -PAGE CATAL
Page 11 and 12: SYLVANIA Better Contrast! Longer Li
Page 13 and 14: Now, TV set owners can understand b
Page 15 and 16: a /t'New/3 rears ¡n Development -N
Page 17 and 18: IS THERE A SPRAGUE CAPACITOR IN THE
Page 19 and 20: KEEP YOUR Step Into a Higher Paying
Page 21 and 22: GUARANTEED TO OUTPERFORM ANY EQUIVA
Page 23 and 24: MORE SANDING AREA than any sander i
Page 25 and 26: MIEN G -E TV Field Clinics help bui
Page 27 and 28: JFD ADVANCED ENGINEERING CREATES A
Page 29 and 30: ADVANCE! Raise your earning power -
Page 31 and 32: Home Study Courses in TELE VIS ION
Page 33 and 34: CREI prepares you quickly for succe
Page 35 and 36: MOBILE COMMUNICATIONS CENTER PROVID
Page 37 and 38: Engineering staff of the Mississipp
Page 39 and 40: tal and its associated mechanical a
Page 41 and 42: and the tube heaters. Completing th
Page 43 and 44: By E. D. LUCAS. JR. Community TV is
Page 45 and 46: considerable volume of advertising
Page 47 and 48: U L7 175 V-20DV 117V AC 601. 1I R R
Page 49 and 50: operation. Once a timing sequence i
Page 51 and 52: denser manufacturers so mysteriousl
Page 53 and 54: iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii/ii
Page 55 and 56:
1 .ulir 1BR- `_- M M A_ 111111 i111
Page 57 and 58:
A REGENERATIVE SHORT -WAVE RECEIVER
Page 59 and 60:
in the photographs. Battery, antenn
Page 61 and 62:
I HORIZ. SYNC RE e, SO a R2ov ssa 0
Page 63 and 64:
To correct both of the foregoing co
Page 65 and 66:
Columbia. Admiral and RCA have not
Page 67 and 68:
,F 17/F/37. i17// NEW MULTICHANNEL
Page 69 and 70:
1 1 i: CS C I ,a. PHONQ. a , TV. cs
Page 71 and 72:
ir New' DIRECT to YOU from the manu
Page 73 and 74:
.- a hew PRINTED CIRCUITS tremendou
Page 75 and 76:
The new 1955 Heathkit Model 0.10 is
Page 77 and 78:
Another outstanding example of cont
Page 79 and 80:
N E W q'F.aa the e TV ALIGNMENT GEN
Page 81 and 82:
TUBE CHECKER KIT f e9searro rrrept?
Page 83 and 84:
lteefi LOW PRICED H E A T H K I T S
Page 85 and 86:
A PHOTOELECTRIC Fig. L Back and fro
Page 87 and 88:
OCTOBER, 1954 i CHNIC IAN TIMESAVER
Page 89 and 90:
SIMPSON TECHNICIAN'S TIMESAVER PAGE
Page 91 and 92:
Economy Grid Dipper (Con timad from
Page 93 and 94:
Never before a tuner so versatile!
Page 95 and 96:
avoid "RHUBARBS" The key to success
Page 97 and 98:
WHAT'S NEW IN RADIO The products de
Page 99 and 100:
. The strip material is phenolic, t
Page 101 and 102:
diodes including those with wire le
Page 103 and 104:
Spot Radio News (Continued from pag
Page 105 and 106:
2BA7 .69 89e .69 .. $9.95 f.,i AG J
Page 107 and 108:
Y%%%' REV pN INTRODUCING the greate
Page 109 and 110:
Antenna Antics (Continued from. pag
Page 111 and 112:
Foil the .t part. the tacit we have
Page 113 and 114:
... :Jr Which 1You Want? sit- ,30tk
Page 115 and 116:
._.. bank or an engine and brought
Page 117 and 118:
Measures 65/4" s 91'a" : 41/2" Supe
Page 119 and 120:
International Short -Wave (Continue
Page 121 and 122:
gives you the most TECHNICALLY PERF
Page 123 and 124:
e you n Qu y doing interesting prof
Page 125 and 126:
AND WE DIDN'T CUT CORNERS! Faced wi
Page 127 and 128:
o noted 1740 with dance music, Dutc
Page 129 and 130:
1 -.1 1.49 ' . r M. 9.95 I I -, 1 h
Page 131 and 132:
you ".`. PAUL PARAY conducting the
Page 133 and 134:
"He's Got His Mind On 'SURPRISE' Tr
Page 135 and 136:
NEW TV PRODUCTS AUTHENTIC KLIPSCH D
Page 137 and 138:
.45 .55 TUBES BELOW WHOLESALE EVERY
Page 139 and 140:
program by regulating the volume co
Page 141 and 142:
3 TUBE CIRCUIT MT= CASCAMATIC he NE
Page 143 and 144:
ment power, 6.3 volts at 3 amps, ce
Page 145 and 146:
5190 .x11 9ca'uz«eeed ater:1ea,te
Page 147 and 148:
We chose to use a 9001 tube as it g
Page 149 and 150:
6SF5GT 6SG7GT Ma. RAD TEL. TUBES CU
Page 151 and 152:
Certified Record Revue (Continued f
Page 153 and 154:
211.FOT. McGEE OFFERS $100,000 STOC
Page 155 and 156:
99 hich 1 ll- 51.19 bone and there
Page 157 and 158:
1 116'. . \dinaablr .67 Type Each T
Page 159 and 160:
on cathode -ray tube substitutions.
Page 161 and 162:
Zel.41 NEWCOMB "COMPACTS "e For Use
Page 163 and 164:
. Prier I BOOIfS "HOW TO LOCATE AND
Page 165 and 166:
.... urne of service that is handle
Page 167 and 168:
financed, capably managed service b
Page 169 and 170:
Economy TV Sets (Continued from pag
Page 171 and 172:
Another consideration when servicin
Page 173 and 174:
le- 111 ulrnIndicatrforcal barjo n
Page 175 and 176:
Channels . Engineer speaker jack bu
Page 177 and 178:
i : control ,enei. W. SALES JAMBORE
Page 179 and 180:
"Bootstrap" Interval Timer (continu
Page 181 and 182:
.63 supplied to the chassis through
Page 183 and 184:
oft No matter where you live or wha
Page 185 and 186:
Why Guess? There's a Quick, Sure Wa
Page 187 and 188:
NEW PATENTED RADAR ANTENNA OPENS NE
show all

IN THIS ISSUE - AmericanRadioHistory.Com

Create successful ePaper yourself

Delete template?

Save as template?