Radio Amateur 10-1963

World Radio Laboratories Council Bluffs Iowa

1963 Ham Radios

World Radio Laboratories 3415 West Broadway Council Bluffs, Iowa The PSA-63 is an ac power supply to power any 50*100 watt transmitter or transceiver. 600 vdc, 300 vdc, or combination to 210 watts. 6 or 12 volt filament windings, 95 volt bias winding. Less cabinet, accessory kits available to modify for use with various rigs. Size 4 > 4 h, 6 d, 11 w. Weight 15 lbs, Price Kit 24.95, Wired 39.95. The Galaxy 300 is a 200 watt lJEP SSB transmitter for the phone sections mi 8u, 40 and 20 meters,...

Comaire Lm-6n2c Antenna Tuner

Collins Radio Modulation Meter

The PC-1 and PC-2 mobile power supplies operate from 12 vdc with toroidal circuits. PCM lias 500 and 1350 vdc output at 150 watts. Price kit 29, 5, wired 41.50. PC 2 lias outputs of f gt 0Q and 300 vdc at 150 watts, Price kit 34,95, wired 47,50. Clegg Interceptor six and two meter receiver. Tunes 50-54 mc with built in converter for 144-148 tnc. Flywheel dia t entire dial tunes one mr at a time. Nuvistor rf stages. Crystal lattice filter for selectivity. Designed for low cross-talk Will tunc...

Zeus Asp-1000 Generator

Ancien Fusible Electriques Ronds

American Electronics Company 178 Herricks Road Mineola, New York Model CUT, Iran sis tunzed, built in battery or car battery through BS-9 adapter. CUT converts 2 meters to broadcast band. Can covcr from 108-1 74 mc. Model CLT same as CHT except converts any ham band from 2-54 mc down to the broadcast band or any other i-f output. Model SNL squelch amp noice limiter, 6 or 12 vdc. SNLT all transistor. CLT or CTIT . . 35.95. BS-9 . . 2,95. SNL . 17,75. SNLT . . 19,95. Preamplifier Model PCL left...

Products Company

QLF from page 29 a Colonel should be addressed, and with a meek, Yes, Dad left the Texas station hanging in mid-air and Pulled The Big Switch, and Hit the Sack, Kids, just don't act that way now, or perhaps it's because i never got above a Second Louie . . , And will I ever forget the thrill of flying my own plane and at the same time hamming on 5 meters But by that time there was such a thing as a store-bought'' xmtr rig. So it wasn't too difficult, except that three of us pilot-hams had...

Utica 650 Transceiver

The Technical Material Corporation Mamaroneck. New York The GPR-91 communications receiver covers .54 31 mc in 6 bands with calibrated 160* 10 bandspread. 1 uv sensitivity, 350 cycle to 15 kc selectivity, crystal calibrator, noise limiter, dual conversion, S-meter. Size The 30OXL umverter is a dc dc converter for 12 volt input and 600, 700, 800, 275 volts + and 50 to 90 volts output. 300 watts, transistorized, with cable and leads. Size 6'A h, 5 w, 4M d. Weight 8 lbs. Price 1 19.95. Transistor...

Power Supply Kits

Squires Sanders

AOP-100 350 volts. 150 rna intermittent or 100 mit continuous service, amp J volts 5 amps. Shipping weiiht 8 ibs. 8-50i AOP-200 650 volts, 250 ma intermittent or 200 ma continuous service, voKs 10 amps. The International AOF series of variable frequency osciifator kits is available in three versions. For example, the AOF-91 kit is a complete driver unit to be used with 6 meter and 2 meter transmitters. Approximately .5 watt of power is available on both bands. Tube lineup 6BH6 oscillator, OB 2...

Transmitter Fm Tube 7094

Hallicrafters Shortwave Receiver

Wyman St. Rockford, Illinois The 65-421 screen modulator kit can be used with most any CW The DB23 preselector provides 26 to 36 db gain on 80-10 meters, depending on band and antenna matching. 3- gt Tf sf selenium power supplv. Size 5 h, 7K w, 6 d. Weight 6 lbs. Price 49.50. The HG-3G3 transmitter has 75 watts input to a 6146 on 80-10 meters. Silicon po vered, crystal controlled, external VFO, grid block keving, pi net. Size 4 2 h, 9 w, 8 d Weight 22 lbs. Price...

Hammarlund Sp-600 X 26 Communications Receiver

Spitfire 500m

The GR 91 is an SWL or Novice general coverage .55-30 mc receiver kit. BFO- noise limiter, electrical bandspread, speaker, antenna trimmer. Size Syi h, 12y4 w, 8 A d. Weight 15 lbs. Price 539.95. The HA 10 Warrior linear amplifier runs 1000 watts CW, 1000 watts PEP SSB, 400 watts AM, and 650 watts RTTY to 4-SHA s with 50-75 watts drive, Self-contained power supply, forced air cooling, grounded grid circuit, TVI shielding. Size 11 4 h, 19 w, 16 d. Weight 99 lbs. Price kit 229.95, wired 329.95-...

Coaxial Relays

4 VERSATILE MODELS, AC or DC UHF, N, BNC, TNC or C CONNECTORS Also industrial and military requirements modified and built to spccifjcations COIL RATINGS 6, 12, 24, 28, 32, 48 IfO and 220 V DC 2 watts. 6, 12, 24, I 10 and 220 VAC 6 VA, 50-60 cps, Special coil voltages available on request- Coil terminals are solder connections feed-through insulators. r.f. RATINGS I kw power rating to 500mc. 20 watt power rating to 500 mc In DK60-G and DK60-G2C in de-energiied position. The DK60-G and DK-60-G2C...

Ez Way Aerodynamic

Design decreases wind load arid provides telescoping action that permits raising nd lower irtg of tower sections. CRANK UP TO 60 FEET, DOWN TO 25 FEET and TILTS OVER FOR ACCESS TO ROTOR OR BEAM. ENGTH is built-in to every E-Z Way Tower,.,Heavy wail steel tubing teas, con- colly welded throughout . ,no loose bolts or nuts here. E-Z Way dssign and strength are your assurance of DEPENDABILITY that you can count on year after year. See your nearest distributor today or write for free literature....

Heath Company

Precision-built Linear Master Oscillator (LMO) 5 completely assembled and calibrated, ready lo install specialty designed dial assures accurate readout and smooth frequency control, PrebuMl. hermetically-sealed 2A kc crystal bandpass filter for SSB provides the excellent nominal snape-tactor of (60,6 dfr), Optional AM and CW tillers shown Installed. Precision-built Linear Master Oscillator (LMO) 5 completely assembled and calibrated, ready lo install specialty designed dial assures accurate...

Tecraft Transmitter

Sonar Radio Transceiver

Rancho Sama Fe, California Model Sfl-33 sideband transceiver. Selectable single sideband on phone segments of 75-40-20-15 meters, transistorized except fur higer power rt stages, final 2-PL gt 00V 2.1 kc Collins mechanical filter, ac power supply and speaker built in, ilXWf 10 54 w D, 15 lbs. i 389.50 DC to ac inverter 59.50, Sonar Radio Corporation 73 Wortman Avenue Brooklyn 7, New York i our Bander. Sidebund transceiver for 15-20-40-75 m et ers, 200 watts PEF 180 watts...

San Rafael Calif

6233 transformer, the -17.25 me trap can be utilized by shunting it with a 50 mmfd capacitor (o trap out the third overtone crystal frequency of the conv erter oscillator from feeding through and giving false beats. In the unit shown, a cut-out of x 3 was made to accommodate the power supply module. Although such construction is ideal if you have the extra time, it is not essential to performance oi this unit. The power supply can be built on (lie rear part of the chassis plate with or without...

Portable M Antenna Figure

A portable 6 meter antenna was made as in Fig, 9, i he a ligator clips connected to the antenna ends by the dial cord insulators enabled me to set it up almost any place. A piece of copper shielding braid is slipped over the 72 ohm twin lead as shown (34) and soldered to the coax plug to act as an unbalanced to balanced rf line transformer, I have used the rig for some time and it has worked very well for portable operation and also for fixed station at the home f TH. Yep. we're starting still...

Electrocom Fsc-250

Eico Electronic Instrument Co., Inc. 3300 Northern Blvd. Long Island City 1, N. Y. LM-6NJ Jjine matcher. Combination six and two meter antenna tuner with built in SWR power meter, 500 watts. 7 x6xr 8 lbs. Tuners are completely separate. 59-75. The -722 VFO provides a signal to drive any low power transmitter on 80 thru 10 meters. It has a self contained power supply and regulator. Size 6 h, w, 9 d_ Price Kit, 44.95 Wired, 59.95. The 723 CW transmitter is a 60 watt Novice or standby rig using...

Bf Electronics

L Removing the cathode by-pass condenser reduces gain to approximately one-half. 2, Removing the screen by-pass condenser reduces gain to approximately one-tenth, and in some cases causes instability. When you calculate the power dissipated in a resistor by the power formula, double this value when you pick the resistor, 4, Cathode by-pass condenser's impedance at the lowest frequency you want to pass is usually one-tenth the resistance of the cathode resistor. x Increasing size uf coupling...

Hayward St

Economical Mobile Transceiver Construction LOOKING SHOPPING TRADING TRYING TO SAVE MONEY Write Bob Grahani for Special Deals on Mew and Reconditioned used gear. Cash or Budget. Dept. C.T Reading, Mass. Tel 944 000 Traps for dipoles , . , high strength * , , moisture proof guaranteed to handle a full KW. Model KW-40 coils wiH, with o TOS foot antenn , provide operation on 10-15-20-40-80. 12.50 set. For information on other models write FRED L. REYNOLDS W2V , 492 Ravenswood Ave,, Michael Watson...

Laboratories

J TELEPHONE 627-6800 Clegg Laboratories, well known for high-performance VIIF equipment the Zeus transmitter. Interceptor receiver, Thor 6 and 99er 6 meter transceivers has recently become a division of Squires-Sanders, Inc, Amateurs interested in VHF will find that this means a vastly better Clegg as the result of excellent technical support and financial backing, plus association with a company whose entire interests center upon superior amateur communications equipment....

Summer Specials From Space

Mtr 125kc to 20mc s 70.00 TS-174 U Freq. Mtr 20mc to 250mc s 150.00 TS-323 UR Freq. Mtr 20mc to 450mc s 195,00 TS-175A U Freq, Mtr 85mc to lOOOmc s 135.00 AN'URM 79 Freq, mtr. 125kc-20mc brand new 950.00 AN URM-250 Sig. Gen, lOkc to 50mc . . S395 00 TS-588A U Sig, Gen. 5kc to 50mc s 390.00 TS-418 U Sig. Gen* 400mc to Ikmc 325.00 TS-419 U Sig* Gen, 900mc to 2100mc s 475.00 TS'1550 U S g. Gen, 2700mc to 3400mc s 135.00 Ferris Mod 18c Microvolter 5 to 175mc s . 55,00 Gen, Radio 12088...

Transceiver

Jim Kyle K5JKX 1236 44th Street Oklahoma City 11, Okla. For quite some time now I have been bandying about idea articles in these pages so we might as well warn you at the outset that this is another of them. The gadget hasn't yet been built, but on paper offers a relatively simple way for anyone interested in wideband FM work (there's a lot of it going on) to get there even if he can't obtain a surplus police, etc., unit The major innovation presented here is not really new, having been used...

Special Special Special

Radio Handbook. t5Hi Edition, written by Bill Orr W65AI, over 800 pages. Covers every phase of amateur radio from the very bastes right up through the construction of just about everything you could want in ham gear. Originally published at 8.50. Superceded by the new 16th edition which is the same except for new construction projects and selling tor 9.50 (see number 11). Special, until the last fev, copies are gone, only 5-95 80 SURPLUS RADIO CONVERSION MANUAL VOLUME NO, 1 (second edition L...

Equipment And Collins

51J2, 51J3, R-390A URR Receivers ( .50-30.5 MC). Teletype Printers 14, 15. 19, 20, 26, 28. Kletnschmidt Printers TT-4A, TT-76, TT-98. Telewriter Frequency Shift Converter. Boehmc Keyers for CW. For general information & equipment list, write ALLTRONICS HOWARD CO., Box 19, Boston 1, Mass, Richmond 2-004 . ffcCI c Samples 25c (refundable) Wildcat Press, 6707 WaiS Beck Ave,, North Hollywood, Calif. Reduces interference and Noise on Alt Makos Short Wave Receivers. Make World Wide Reception...

Cityzonestate

HEATH COMPANY, Benton Harbor 11, Mich. 49023 Please send free 1 amp 64 Heathhit catalog. Enclosed is S__,, ptus postage send_. pletely satisfied with just peaking the converter in the 145 mc range and leaving it there. The attenuation of the signal will be only I db at 148 mc, and that's practically a flat response. It is needless to say that a converter built as described will give you excellent service in all YHF departments, sensitivity, bandwidth, gain and low noise figure. But the only...

Minute Motor

Fred Herr W3WPV 911 Old Monoa Road Havertown, Pa. Would you like to know how much time you spent on the construction of a picce of radio equipment With the use of the easily made device described in this article you can have a record of time spent on any project, The device consists ol a motor driven counter that keeps an accurate count of the elapsed hours and minutes spent on your construction project- In almost all types of construction and fabrication a knowledge ol time consumed serves as...

The Technical Materiel Corporation

OTTAWA, CANADA ALEXANDRIA, VIRGINIA GARLAND, TEXAS XNARD, CALIFORNIA SAN LUIS 06 fSPO, CALIFORNIA LU2ERN, SWITZERLAND * POMPANO BEACH, FLORIDA Bottom view showing the rf gain control and the input cathode coil comportment. The NE 2 switch bulb can be seen just above the cathode coli, The ceramic CI capacitor is fastened to the chassis by two W spacers and 4-40 screws and nuts. Coil just above the NE 2 is the plate coil of the tandem nuvistors of 1he first rf stage. The angled shield separates...

Choice Bargains In Commun Receivers

BC453B 190-550 kc G-tube superset w 85 ke IF'i ideal as longwave revr, as tunable J F & as 2nd convert, W atl data. CHECKED ELECTRICALLY Grtd. OKI II lbs, 19 95 fob Los Angeles R-45 ARR-7 w ae sply. 0,55*43 mc xtl filter, etc, 179.50 cash or Time Pay Sf7.95 down. RBS Navy's pride -20 mc t4-tube superhct has volte filter for low noise, enr-saving AGC. high sens. select. IF is f255 kc. Checked, aligned, w pwr sply cords, tech data, 89,50 ready to u*er foil Charleston, S, C. or Los Angeles. Low...

Telrex Rowrndigator System Model Tsris

* SELF LOCKING 0Y STURDY WORM GEARS * AZfMUTH INDICATION BY SELSVNS * designed foh ao.o masting * MALLEABLE CAST MASTING CLAMP SUPPLIED * OUTPUT SPEED AFPRDX i ftPM WILL FIT INTO OR ONTO A 51 DEO TOWER VRrTE FOR FREE fv77 DESCHlBLMG THC WORLDS MOST POPULAR ANTENNAS Tie big trip to Europe will be leaving Idle-wild October 6th at 10 PM. Well all be gathering in the BOAC departure rooms at about 8 PM and checking it. Sorry if yon didn't take us up on this one, were going to have a lot of fun. Well...

Mars Mobile Transmitter

Mars Mobile Transmitter

The popular MARS Mobile re-appears in a new dress and improved design. Bandswitching 75-40 with IS watts input andl plenty of good audio. Measures only 3Vz x 5 X 7. Switches to either 6 or 12 volt operation. Requires 300 volts at 150 nills. Completely wired ready to operate less crystal mike and power supply. The popular MARS Mobile re-appears in a new dress and improved design. Bandswitching 75-40 with IS watts input andl plenty of good audio. Measures only 3Vz x 5 X 7. Switches to either 6 or...

Meter Converter With Nu Vistor Preamp

Unbeatable performance ai an unbeatable price, Only 10 00 ppd l Complete with 6USA, 6CW4 tube* and chotec of 36 me. erystal for 14-IS mc, output or 49,4 mc. crystal for broadcast iiijul output, Fully assembled, tested and guaranteed* SenslUritS J microvoit. Nrilse Miitire 2.H db, VANGUARD ELECTRONIC LABS D nt. H-10 (90-43 S9lh Ave, Mollis 23, N. Y, (Ponadaptors from page 99) This circuit is most useful to receivers employing dual or triple conversion and it is recommended tliat the first if...

Other Bulletins And Books

Monthly VHF magazine, editor Jim Kyle K5JKX, technical articles and latest VHF news from all over the country. S2.00 per year. ATV Bulletin. Semi-monthly bulletin for the ham TV enthusiasts. Technical and operating news. 1.00 per year. 5 7 9. Monthly bulletin for those interested in contests. Lists all contests being held, gives rules and results on contests not covered in QST or CQ. 2.00 per year. 73 News. Published monthly, editor VE3DQX. Keeps you up-to-date on current ham events. In...

Bristol Pennsylvania

4 RPM motor is used each revolution would advance the counter one number which would represent only a quarter of a minute. To obtain the true elapsed time in minutes the total counter number would have to be divided by four In the ease of a 6 RPM motor, the total counter number would have to be divided by six. As the counter ordinarily available will return to zero when its highest number is reached it is best to use one with at least four digits displayed in its window in order to avoid going...

Ratio Detector Schematic Figure

The codan tube, you should have plenty oi gain available Full data on the tube, including typical operating conditions under a wide range of applications, is available from Amperex Electronic Coqxs Hicksville, Long Island, N. Y, The circuit itself is entirely conventional and is not shown here. Having reached the loudspeaker, its time to move over to the microphone and take a look at the transmitter s beginning. This afc provision allows the receiving oscillator crystal to control frequency...

Aaron Electronic Sales

6636-40 CHARLEVOIX DETROIT 7t MICHIGAN W3AQT's decision, 4< 1 will not spend any more money for your magazine ' struck mc as being an interesting attitude. Since October 1960 I've been buying several copies of each issue in addition to my subscription copy line copy, the one with no wrinkles, goes into the historical hie. The others are handled and passed around. The competition One copy per each. . + how come you are making obeisance to CQ and K6BX by including Greene County on your QSL Is...

Comaire Electronics

6 meter, 150 mw.t channel transistorized transmnu-i with AM modulator. Complete with transistors and 5G.5 mc. crystal. Requires only 12 volts at approx. 35 ma. Ideal for walkie-talkie or get 10 to 15 mile range with a beam. 190-48 99th Ave. Hollis 23, N, Y. Collins Grab Boxes a treasure of goodies 2.50. Collins Xformers perfect for transceiver power supplies, 5.00. Flexible fii-voltage wire 30K 16-18 ft coils, perfect for power supply wiring, 1.00. Hunter Bandits new , 460.00. Johnson...

Or Call

The overtone xtal oscillator circuit was next, I preferred to use 8 mc rocks instead of the more expensive overtone variety. The pilot light that was removed when the plate current meter was installed used a 47 lamp. The 47 lamp draws ,15 amps and is part of the series-parallel heater circuit (Fig. 3). In order to keep the heater circuits balanced, I used a 6AK6, which draws .15 amps of heater current, for the 8 mc oscillator tube. The oscillator stage (Fig. 4 was built on a small piece ol...

Quement Electronics

1000 SOUTH BASCOM AVENUE SAN JOSE, CALIFORNIA Northern California's Most Complete Ham Store'1 ately a triode-pentode similar to the 6CXS with a plate cap did not exist, So 1 had to make two tubes grow where only one had existed before Also the heater currents had to fit in with the master plan Fig. 3). I used another 6AK6 as a doubler and a 2E26 for the final. By removing the 47 ohm resistor the heater circuit seemed to balance out pretty well. (Modified circuit of rig. 3) With the 6CX8 socket...

Model Twoway Teletypewriter

Send receive communic. characters, TG-7B removed from working 60 words minute, packed in Army chests* tfiQ Rfl (TG-7B buyers only Add 3.00 for the Manual.) PWR SPLY FOR ART-13 & OTHER XMTRS 1 20122, D o TCM TCU, input V15v 50 60 cy I f> h il amps, rfc outputs I300v, 350 ma. 500v, 425 ma, 50vt 400 ma. Metered, w ckt-tirkr controls, ready to use, BRAND MEW original box Cost 1000,00 360 lbs. fob Tacoma, J79 50 Handbooks mainten., oper,p theory, schem. dwgs, etc. Each, postpaid_ HIRE OUT TO...

Mission Ham Supplies

3316 Main Street Riverside 3, California 92501 Phone 683-0523 area code 714 portion of the transceiver and in the tuner of our new found gold mine 6U8 anil 6X8 tubes mav he found. In addition to those uses mentioned earlier for the 61 '8, these tubes are also suitable in oscillator-mixer combinations The last source of tubes in the set is the horizontal output stage, where you may find a 6DQ6 6BQ6 6CD6 or even a 6BG6 tube, any of which may be used as power amplifier tubes iu the transmitter...

Bf Electronics Cardiff Phone 714 753-2095

BP ELECTRONICS proudly presents the all new transistorized Mobile Power Supply Kit at the LOWEST PRICE anywhere A new concept In kit construction plves you top QUALITY and PERFORMANCE for a minimum investment. FEATURES INCLUDE 1, 150 watts continuous power output at 130 F 2t Highest cwality parts manufactured in USA 3. Fully transistorized with silicon rectifiers, 4. Toroidal transformer gives 85 efficiency, 5. Heavy filtering tves less than 1 ripple. 6. Bleeder resistor for capacitor...

Maximum Talk Power

Some counters operate with a reciprocating action while others operate with a rotary action. In use, the bench light or a drop light under which the equipment is to be constructed is plugged into the outlet receptacle on the Minute Motor and left there for the duration of the construction period. At the start of each work session the cord of the Minute Motor is plugged into the 115 vac source. During the time the cord of the Minute Motor is plugged into the U5 vac source the bench light will be...

Kvdc Output Regulated Power Supply

115 volt 60 cycle input 25.00 Good for up to 5 ma current, DC POWER SUPPLY KIT 4 amps 6-12-24-28 volts DC output, includes transformer, capacitor, choke, full wave silicon bridge mounted on copper heat sink. HEAT SINK, ALUMINUM, DOUBLE FIN. With 150 watt transistor 2N277 1.5x4.8 inches 51,50 3.5x4.8 inches J2.50

Madt Hi Freq Transistors

All guaranteed, factory marked, exlnt for converters, CB transmitters, 6 meters, etc. Factory closeout bargain. 5 1 -00 One of the Navy's finest. 4 ranges .5-5-50* 500 MR HR Detects Beta & Gamma. Detachable probe on coil cord. Complete ready to use with headphones (not shown) and shouU der strap. With Fresh batteries. Just in time for Summer prospecting. NPN, Exlnt for transmitters. 2N1897 1.00 each

Popularly Priced

TOP LOADED DESIGN-Delivers superior performance* PRECISION ADJUSTMENT TO EXACT FREQUENCY-Easily made on telescoping tip of Topper Capsule NOISELESS QUICK-DISCONNECT-For changing bands in seconds - convenient for low garaging (No tools required) POWER HANDLING OF 100 Watts AM 300 Watts PEP SLEEK, SUM PROFILE -Reduces wind resistance at high speeds for greater frequency stabilization WEATHERABILITY-Loading coil is totally encapsulated in durable Fiberglas Topper Capsule VERSATILITY - 5 ft Topper...

Watts Watts Pep Small Package

With Companion AC or DC POWER SUPPLIES Order Through Your Dealer or Write For Further Information Order Through Your Dealer or Write For Further Information 05 UNIVERSITY AVENUE LOS GATOS, CALIFORNIA 05 UNIVERSITY AVENUE LOS GATOS, CALIFORNIA Wayne Green W2N5D Editor, etcetera

Light Weight

Gonset has scored a breakthrough with the new Sidewinder a 2 meter SSB, AM and CW transceiver that combines technical excellence with contemporary design and compact, sturdy construction. The Gonset Sidewinder provides coverage of the entire 2 meter band in four segments 1 Mc wide. It has built-in VFO and the receiver is completely transistorized, There are a total of 21 transistors, 6 diodes and three tubes in the Sidewinder which operates on either SSB, AM or CW. The power supply is designed...

Radio operators

The Heath Company takes pleasure in introducing on the following pages, the first of a complete series of fully integrated SSB amateur radio equipment that will set new standards for value, quality, style, and performance. To be designated the Heathkit SB Series, these products represent a major step forward in amateur radio SSB equipment. Now, the best in SSB design features are combined with Heathkit's leadership in electronic kit techniques to bring maximum performance and operating...

Vhf Colinear Arrays

Lightweight mechanically balanced VHF antenna sytlemi* Extremly high power gain, major front lobe, low SWft, and broad band coverage law angle of radiation and large capture area, 32 and 64 element arroys available. Model CL-1 2 meter, 16 element colinear. Model CL-216 1V meter, 16 element colinear. Model CL-41 meter, 16 element colinear* Modef CL-M Universal matching stub matches 300 ohm 16 element antennas to 200, 52, or

Linear Amplifier

IT'S EASY TO ASSEMBLE AND WIRE - QUALITY THRU AND THRU The P amp H LA-400-C is not an ordinary kit, because a lot of the assembly has already been done for you. The plate transformer, filter choke, plate tuning capacitor etc. are mounted. Plate coil and band switch are assembled ond mounted. Output loading capacitor network is assembled in fact about all you have to do is mount small parts, mount sockets and finish the wiring. As for performance just ask anyone who uses an LA-4Q0-C Just compare...

Electronics

JP ** 424 Columbia Lafoyette, Ind NOTE Due to a printer's error, the price of this unit is shown incorrectly in the June issue. fundamental signal J icr handbook says that harmonics can be greatly reduced by means of an inductively coupled circuit in the transmission line and continues at great length to discuss the advantages of antenna couplers. In reading the handbook discussion we find that a coupler, in addition to its ability to attenuate harmonics, provides a dandy means of matching the...

And Transceivers

Bandpass Filter Receiver 10-15 Meter Transceiver 2-6 Meter Siamese Converters Deluxe Mobile Transceiver DX Communications Receiver All above units are modern in design, and free of TVI producing problems. 'Order from your fanonle Electronic parts distributor, he cannot supplyt send u* his name and your remittance, and ut> will supply. Dealers Efeclronic distributors, order Jrom us Bookstores libraries, newsdealers order from Baker & Taylor, Hiflside. N, J. Eiporl (eic, Canada), order from...

An Exciting New Kc

m * ' i t t t i i * , - - - it. . . t i , t ( * - - * . r I 1 4 ' t I-l > > , > - I I p p i ft * t , III I< > < ) Butter 1, Missouri Ph. ORch rd 9-3127 11240 West Olympic Blvd. Los Angefea 64-_Ph. GRanlte 7-6701 931 No. Euclid Ave., Anaheim, CalJf. A B& W fow pass filter installed in the coaxial lead of your transmitter will stop the radiation of spurious and harmonic signals which interfere with TV reception. These two fitters are usable through the frequency range of 30 to 54...

Haars Control Console

The Mars Control Console contains in one unit a Kilowatt SWR Bridge measuring both 52 or 75 ohms Hybrid phone patclv Internal speaker with provision to switch to external speaker if desired, plus several switches for control of xmttr, receiver, etc. as desired. All this at an amazing low price, The Mars Control Console contains in one unit a Kilowatt SWR Bridge measuring both 52 or 75 ohms Hybrid phone patclv Internal speaker with provision to switch to external speaker if desired, plus several...

From Pilot Lamp

Note L approximately 19 turns 26 enamel wire on VV dia. variable iron core coil form, nected to the triode section of the original 6CX8 tube - which acted as a doubler stage.)* Note the coil data given in Fig, 4 is for the modified doubler stage of Fig. 7, Naturally I wanted front panel controls instead of the screwdriver adjust type ones mounted on the chassis. This was my downfall. If I only had known the trials and tribulations that lay ahead, as the old refrain goes. I cleverly calculated...

Amateur Electronic Supply

Phone We. 3-3262 Hours Monday ond Friday, 9 A.M. to 9 P< M. Tuesday, Wednesday & Thursday, 9 A.Mf to 5 30 P.M. 6450 Milwaukee Ave, Phone Ro. 3-1030 Hours Monday, Wednesday & Thurv, 12 P.M. to 9 P.M. Tuesday & Friday, 12 P M. to 5 30 P.M. Saturday, 9 A.M. to 3 P.M. 23 Azalea Pk. Shop. Ctr. Phone 277-8231 Hours Monday, Tues., Thurs. & Friday, 1 P.M. to 9 P.M. Wednesday, 1 P.M. to 5 30 P.M. Saturday, 9 A.M. to 5 00 P.M. Send all Mail Orderi and Inquiries To...

Stay On The Air Plan

Not only w ll I give you a *errifit Jfade-m allow onte, by* you con keep your equipment ursiif you receive your shipment. If ordering on terms, please list following information on separate sheet and enclose with this order Name, address, age, married children Employed by Salary How long Own or Rent Home To whom renting or buying from Wife employed Own cor who buying from Hire to five credit references. The more information you give, the foster we can approve your credit. EVEN rF YOU'RE NOT...

Learn Radio Code

No Boohs To Read No Visual Gimmicks To Distract You, Just listen and learn Based on modern psychological techniques This course will take you beyond 13 w.p,m* In LESS THAN fa THE TIME Available also on magnetic tape See Your Dealer Sow Album Contains Three 12 LP's 2 Va Hr. Instruction Now, learn code and something else at the same time. Fascinating story and code practice at same time. 2.49 We have spared you no expense to provide you with the absolute ultimate in VHF converters, We have spared...

Dgc Dgc

You fell us what output i-f you want. We've been putting the finishing touches on our HJC-1 44 converter It turned out to be quite a trick to get near-DGC performance and still keep our price competitive with all the other converters. The HJC-144, complete with built-in power supply, is 49.95. Have you ever considered what goes through a manufacturer's mind when he sits down to make a new product 1 What is the demand for this product What products are already available to meet this demand 3 How...

Radio Amateur Callbook

Fullerton Ave., Chicago 39, III See your favorite dealer today for your latest issue or order direct from the publisher add 25c for mailing . Over 250,000 K amp W calls Each quarterly issue 5.00 100,000 calls outside the U.S.A. Each quarterly issue 3.00 L4- to 2 uh L5-1.5 m 3 f h RFC-1 mh 4 turns 16 B amp S wire, tf diameter ceramic form, 11 winding length, about 30 to 40 turns iz24 to 32 B amp S wire, H diameter ceramic form, close wountlv 12 turns 24 B amp S wire, diameter...

Calibratedoutput Signal Generators

Gen, Radio's 750.00 J 700-A Wido Band BFO puts out 50 cy to 5 mc in 2 hands Beo.iton's 420.00 + 203B heats your VHF generator at 70 mc. Get ,1 to 25 mc Navy LP-5 covers 9' a kc to 50 mc fin S bands, ultra stable output to r.O v Navy LX 2 covers 7Y* to 330 mc. Metal case for Meas. Corp. MudeT 80 2 to 400 me. Is in their catalog today at a lot more than Daven's AN version of the Mod. BO uses more modern tubes, same range Hewlett-Packard ir608-B is 10 to 400 mc w lowest residual fm, .1 uv to _B v...