Newtronics Corp

V 3455 Vega Avenue Cleveland, Ohio 44113 Al Brogdon DJ0HZ Fuerstenberger Str. 147 Frankfurt Main, Germany ll seems that the old faithful RST system of signal reporting is questioned quite regularly as to its effectiveness ih communicating the desired meaning* A.s we all know, it is capable of communicating only three elements of information those pertai n i ng to readability, strength and tone. However, because of the general laxity of its use, the RST report seldom conveys any useful...

Tv Camera

The VANGUARD 501 is a completely automatic closed circuit television camera capable of transmitting sharp, cleair, Jive pictures to one or more TV sets of your choice via a low-cost antenna cable RG-59U) up to a distance of 1000 ft. without the need for accessories or modifications on the TV sets. The range can be extended indefinitely by using line amplifiers at repeated intervals or by using radio transmitters where regulations permit* There are hundreds of practical uses in business, home,...

Coaxial Switches

335 SP6T (Antenna Switch) S 336 DPDT (Linears in & out) 341 SPDT (Antenna Switch) 351 Dual DPDT (in & out switching) 375 PROTAX SP6T (Antenna Switch) 376 PROTAX SP5T (Antenna Switch) 378 SP5T (Antenna Switch) 380 PROTAX SPDT (Antenna Switch) NOTE PROTAX Coaxial Switches provide automatic grounding of unused terminals. Models 376 and 378 have Radial Terminals all others have axial terminals.

Mission Ham Supplies

365.00 795.00 99.00 199.00 239.00 37.00 29.00 59.00 75.00 39.00 229.00 519.00 3316 Main Riverside, California 92501 * All transistorized, 115V-AC powered. -k Tuning meter, no scope needed. if Selective filters minimizes interference. if 13 transistors, military epoxy board. Fig. 2, Noise equivalent circuit for an electrical conductor or resistor are mainly the stars of the galaxy of which our own sun and planet are members. Our galaxy takes the general shape of a saucer and since we are on the...

Conventional Hand Telegraph

Pictorial diagram of the simple code practice oscillator that Judy and Joe built under FN's supervision. It's shown half size. cable wiring chimps for this and sure enough, t he re were two in t lie bray. Another pair of wood screws and presto . , . the batteries were in place. Joe had just selected the tie-point terminal strip to mount next and was positioning it on the baseboard when the door opened and lie was a bit taken aback when not KN, but an attractive young lady < > l about his...

Info

SE i fhgsals available in 2inc pUte at additional e st No flan on 4 X 4 CliMsis SE i fhgsals available in 2inc pUte at additional e st No flan on 4 X 4 CliMsis When the Estes Electro-Shield ignition harness was opened up from the carton, the photographer asked me what we were doing with a milking machine and, I agree, it does look like that- Stan Estes, out in California, has engineered a remarkably effective noise eliminating kit for automotive or marine use. On FM equipment you don't have to...

Reflectometer

Measures both forward and reflected power simultaneously on unique double meter. Covers 3 to 30 mHz at 52 ohms on two separately set forward scales of 200 and 1000 watts, (20 and 200 watts reflected) to insure accurate readings. Comes complete with directional coupler, 6-position with rear axial connectors S-position with side radial connectors The Water PR0TAX Coaxial Antenna Switch automatically grounds the entire antenna system when the shack is shut down. Readily handles a fuIT 1000 watts...

Wcsd

There are several schemes which are used for drilling holes in glass, but most of them are difficult to manage in the home workshop. A simple solution to this problem requires only a dab of wood putty, a teaspoon of kerosene and an old triangular file. First of all, the file is ground douTi to a point on the end then it is placed in the drill motor chuck. Place the dab of putty on the glass where the hole is to be drilled* Fill the crater with kerosene and start drilling with the triangular...

Motorola Equipment

PA-8270 remote unit as is Js , S 55 00 TU-312H cavities 150 Mcs Can be used tor (Juplflxino T& R on single antenna , ,, 120 00 033-7 Front mounl Dispatcher 6 vdc solid state pow imply ree has only 3 tubei Trans 8 watts power output FSTfl-l O-Br IlO vac d k top station 60W-30-50 mcv poor condition FSTR SQ-BY 110 vac desk top station No conversion' neeai- 'ttlc6n ,ntr iand clean hanfl up box PA-8634 30w 30-50rnc xmtr I 15 00 T51AGD Poor Condition 6 12 vtlc ' 30 0O

Motorola Fm Schematic Digest

6 vdc - 55.00 12 vdc * 75.00 6 vdc 2 freq. tran * * S 46,00 12 vdc J 6,00 FMTftU-SO-D 150 mes 30w trail poor condi ___ tion 25-00 FIHTHIMI-V very poor 150 nie 20.00 FIVtTRLMO-V 150 mc Sw tran 6v 39 50 T-44A6 450mc mob I8w tran 54.50 gf-T*1* VJ. 30w Trans- c*nt r head and tables 44.50 HALLIC RAFTERS -27 ret 140-225 mc* S 65.00 RCA CMV-2A 30-50 mc mob 12 vdc . * 30w trans S 25.00 JOHNSON VIKING TRANSMITTER VIKING 1 HEWLETT PACKARO Frequency motor MOD 500B PANORAMIC ADAPTOR SB-12 with PS-12 power...

Manufacturing

CANADIAN HAMS Vou may now order d feci from Mt J, Hc crd und Co., Ltd , 1300 CaHintj Ave ,, Olhawa, Ontario. Waters Quality Products Are Sold Only Through Waters Qualified Distributors Eric Jorgensen K1DCK 230 Chickering Road North Andover, Mass, 0184 Integrated Circuit Crystal Calibrator This calibrator generates 10 and 100 kHz markers. It costs less than 13. The crystal calibrator ranks with the SWR bridge and code practice oscillator in coverage in the various ham magazines. The names have...

Mil F

Heat the iron, dip the tip in liquid rosin flux, apply solder to the tip of the iron, and wipe it clean on a damp cellulose sponge. 7. Tin the lead to be soldered by putting a heat sink next to the body of the resistor, apply rosin core solder to the iron tip, and within six seconds apply the solder to (lie wire for live seconds only. If you are not able to apply the solder within six seconds, wipe the iron clean and start with fresh solder. S. After tinning the lead solder the part within an...

Unity Electronics

107 TRUMBULL STV ELIZABETH, N.J. 201 - FL 1-4200 f World's BEST BUYS in GOV'T. SURPLUS W FULL OF TOP QUALITY HEMS - Transmitter*, Receivers, Power Supplies, inverters, Microphones, f Filten, Meters, Coble, Keyers, Phones, Antennas, f Chokes, Dynomotors, Blowers, Switches, Test Equipment, Headsets, Amplifiers, Indicators, Handsets, Converters, Control Boxes, etc., etc. SEND (stamps or coin) for CATALOG and receive 500 CREDIT on your order. Address Dept. 73 Oonverrers and Preamps for 50 thru 432...

Atv

W2USA TV, W4DKJ May 34 A Simple Oscillator for Monitoring ATV, WA2EMC Mav 51 Amateur Television Let's Get Started Fart 1. K3ADS Oct 42 Amateur Television Let s Get Started Pan II, K3ADS Nov 26 The Conar 800 TV Camera Kit, W3WTO _____ Sep 82 The Coveva 6 Antenna, WA1CCI-I Jan 84 The Drake R-4 Receiver, WA2TDR Jan 78 The EICO 753K, W3KET Jan 76 Twelve Centimeter Heaths cope (Model E EO-12). The Heathkit HD-10 Kever. W2JDL Mar 50 Heathkit SB lOO, K2EQB AU* 5 ) Heathkit HM-15 SWR Meter, W7IDF Sen...

Semiconductor Specialists

BOX 12312, SAN ANTONIO, TEXAS 78212 Motorola's new experimenter transistors have many ham uses If you've been in a radio store recently, youVe probably noticed a large display full of mouth-watering Motorola semiconductors. The display (and the items in it) are part of the new Motorola HEP program. The It, and P stand for flobbyist. Experimenter and Professional, and that's who the program is aimed afc The IIKP semiconductors are designed for radio-TV servicemen, experimenters, schools and...

Grid Plate Current Current

Schematic of the 6KG6 linear We decided to go the grounded grid route-by tying all of the grids (control, screen, and suppressor) together and grounding same- As a first try we decided to use an MB 150 National all band tuner in the plate circuit. Don't do it, chum We wound up on 75 meters tuned about where 40 ought to be and 40 was clear out of the tuning range. It seems that when you tie three grids together and ground them, usin four tubes in parallel, you have a plate to ground...

Wdxh

Eastman, Fundamentals of Vacuum Tubes, 3d ed. New York, McGraw-Hill, 1949. p. 375. Valley and Wallnian, Vacuum Tube Amplifiers. Nw Yoric, You can search the world over, but you won't find a better value than the SB-34 and the SB-2LA. The SB-34 four band transceiver is entirely solid state, including a transformer type power supply which provides both 12 volt DC and 117 volt AC operation built-in. One look at the SB-34's specifications will prove that only 395.00 will return the biggest possible...

A

AUDIO & POWER TRANSFORMERS & REACTORS for catalog of 1,300i STOCK with UTC top Quality Power Supplies Modulation Pre Amp & Power Amplifiers , for entire ham rigs Thirty years of attention to ham requirements have resulted in a complete line of reliable, high quality components geared especially to your needs. The S series of audio and power transformers and reactors, designed specifically for ham and PA service, are completely matched for compatibility in constructing a rig. These are...

Ham Radio Math Simplified

Does math scare you It needn't This easy-to-understand book by K8LFI explains the simple ex* ponential system of arithmetic, simple formulas, and logarithms, 50 CW by W6SFM explains code and how to fearn it. 50 f TEST EQUIPMENT by W6VAT tells you how to build j some useful ham test equipment 50c f MILITARY SURPLUS TV EQUIPMENT by W4WKM is a necessity for the surplus-using TV'er. 1 5 Ham RTTY 2.00 Index to Surplus 51.50 Ham Clubs 1.00 Simplified Math .50 VHF Antennas 2.00 Parametric Amplifier...

Nyx

Meter is not plainly visible in most installations. All are 52-ohni devices. The Seco 520 Antenna Tester is a somewhat different breed of cat. This is an RF-indicat-ing device consisting of a directional coupler and a signal indicator. The associated switching calibrator and resistor pad components are arranged so that the forward of incident power can be measured from 0.5 watt to 1000 watts. Standing wave ratio information is available on three selected scales from 1.1 to 8,1. An English scale...

Comdel Speech Processor Model

A prototype of the CSP 11 has proved itself an effective communication aid on the amateur bands over several years- Its prominent feature is the instantaneous limiting action without the harmonic distortion which often makes the use of conventional speech clippers marginal, particularly with SSB transmitters. Designed for relatively insensitive high Z microphones a gain control is provided the unit will enhance the intelligibility of voice signals considerably under difficult conditions. MIL...

Radio Handbook

Order from your electronic parts distributor or send coupon below. P.O. Box 66003 New Augusta, Ind., 46268 Ship me EE 167, the new 1 7th Edition of the RADIO HANDBOOK at 12.95 73 E l Bob Baird W7CSD 3740 Summers Lane Klamath Falls, Oregon The purpose of this article will be lu see what can he done with the new 6KG6- The actual amplifier design is the result of trial and error. It is not supposed to lie an example of the latest and most sophisticated technique. Under the New Products heading in...

Bb

Bill Johnson W6MUR 9372 Hillview Road Anaheim, California 92804 Illustrations by Wayne Pierce K3SUK Bill is a consulting engineer with a BSEE front the University of California, graduate work in EE and undergraduate work in law, I Irs Item a ham since 1935, and enjoys DXing. Insula Nuevo was the beginning of a long string of triumphs for Jules Silvergold III, W2BUKS. There were St, Ginsburgs Rock, Low Tide Shoal, Ebony Sandbar, and several more that he alone could claim. Jules even received the...

Swan 350 11m Conversion

We have the complete line of the modern Gonset ham gear including the popular Communicators, Sidewinders, and the respective Remember that Gonset makes the only 2-meter sideband transceiver and that this unit was designed to operate in either a car or at home. The model G-50 has enjoyed an enviable reputation for years as an advanced type Civilian Defense communicator. It is really a complete station with 48 watt input, a dual conversion receiver and power supply all in one package. The G-50...

To Pin C Of

Frank Jones W6AJF AF6AJF 850 Donner Avenue Sonoma, California 95476 Frank discusses some problems with the popular TIXMQ5 transistors, adds some notes on newer transistorsj and describes an improved 220 MHz converter in this article. The transistor converters, described in the June 1966 issue of 73, using the low cost TIXM05 transistors have brought a great many inquiries about the source for these little gems. Personally, I'd like to know myself as after the first purchase from a Texas...

Eee

Industrial distributors under other names and in different cases, but the HEP line is widely available. That's a great boon to most hams even if it means that the transistors cost a few cents extra, I've had a chance to try some of the HEP devices, and I've found them excellent. All the ones IYe been able to check beat the specs Motorola publishes Here's a quick look The HEP-1 is a 'standard PNP germanium mesa transistor. It costs 89c and is useful in most low power experimenter circuits af...

Varq Board Support Bracket

Panel layout and Varo board mounting bracket, tlie slim t resistance and affect the accuracy of the meter. Although it is not strictly necessary to duplicate the parts used in the authors trans-conductance tester, it does iielp in acquiring the necessary components A of the parts are available from the large mail order houses such as Allied, Lafayette or Newark. This is a help because several of the parts, notably the 2PST pushbutton switch, are not normally available through...

Vanguard Labs

Mollis, NX It423 Rev. Ted Gencuski VK9TG, ex K9TXM 2924 Nagamiska Avenue Delafietd, Wisconsin 53018 How'd you like to have to put up an 85 ft. tree trunk for your antenna tower without any skilled help or machinery Read how they did it on New Guinea, Truthfully, there is something dramatic about operating a DX-station, but after some of the nasty pile-ups, one soon begins to lose that spine-tingling experience. However, it is still fun to work DX when the conditions are good...

New Products

If you re interested in ham TV or think you'd like to get interested in ham TV you'll certainly want the new 1967 catalog from ATY Research, It's 20 pages thick and contains all sorts of gear of interest to TV'ers. ties I of all, its free Send your name, address and zip code to AIT Research, P.O. liox 396, South Sioux City, Nebraska 68776. Texas Instruments has just published a new book in their useful handbook series. This one is about the design oi audio amplifiers and AM FM tuners. While...

Ameco Vfo-621 Specs

In the Ameco line, we have chosen to stock the TX-62 and its companion VFO, the 621. We have their NuVistor preamplifier for and 2 meters. We have their CB line of converters of 6 and 2 meters. We have a limited number of CX jine high-quality converters. We have their allband amateur converter, their CM A, and we have their code model oscillator CPS, and their code practice records and radio amateur license manuals. The TXH2 is an inexpensive compact VHF transmitter. It is easy to tune because...

Amateur Electronic Supply

4828 West Fond du Lac Avenue Milwaukee, Wisconsin 53216 Phone 414 442-4200 MILWAUKEE STORE HOURS Mon amp Fri 9 am to 9 pm Tues, Wed, Th rs - 9 am to 5 30 pm Sat - 9 am to 3 pm IMPORTANT - Be sme to send all Mail Ofders and Inquiries to our Milwaukee store, wtiose address is shown above. VISIT -Please do not write the following Branch stores - they are set up to handle walk-in trade only. 6450 Milwaukee Avenue Phone 312 763-1030 19 Azalea Pk. Shpg. Ctr. Phone 305 277-823 I CHICAGO amp ORLANDO...

Collins R

247 Sarkit

1 have been selling Collins Communications Receivers for better than ten years. Because my standards are very high, I had to price these sets at proportionately high levels and relatively few are aware of my service in this field. offer for sale the finest variety of the best communications equipment available in the United States, and in quantity. My prices vary from about 400 for a poor grade R388 to almost 2000 for the best grade R391 gt These receivers are all built around Collins...

Muffin Fans

Longer life for electronic Uibes Quiet, compact, easy to mount if Prevents drift problems i Tnn l e used for eslianst or cooling Can he mountnl iti the cover of most transceivers such as the KWM-1-2 series, S line series, Drake and many others Size 4-H 16 sn. x 1-1 2 thick. 115VAC 60cy. Worth many times our low price. Checked and guaranteed USED EXCELLENT CONDITION. Only 5,50 postpaid. VHF TRANSMITTER CHASSIS RF deck onli can be used s a complete transmitter capable or 4 to G watts output, or...

Does Ta33jr Need Balun

Mosley Coil Caddy Pics

The Mosley TA-33 is considered to be a most popular tri-band beam. When listening on the air, you will hear many references to its use, Ca I Mosley has succeeded in making trap antennas which will keep out the moisture and not break down at a kilowatt. In the early days of trap antenna design, the replacement of traps was indeed a problem but 1 can assure you now that this has been mastered and once erected, the trap seam itself will not cause any difficulty. The TA-33 is a o element beam and...

Hcj Electronics

Phone WAhnit 4-2343 Area Code 509 6904 EAST SPRAGUE SPOKANE, WASHINGTON 99206 Easily handles maximum legal power for all modes with grounded grid, zero-bias linear operation, Eimac 3-10GGZ final provides full 1000 watts plate dissipation and longer tube life with exclusive after off cooling. High reliability solid state power supply using computer grade capacitors for continuous duty AX.C, output provides higher audio ievel without flat topping and the tuned cathode input provides higher...

Rtty

Improving RTTY Reception, W4EHU F -b 38 FSK Principles, W4EHU Mav fi A Simple End of Line Indicator. K8IQY . May 49 A Transistorized Oscilloscope for RTTY, Tuning the RTTY Signal, W4EHU Nov 16 Transistor Meter Amplifiers, WAfiBSO Jan 44 Experimenting with Varactors, WIOOP Jan 85 Low Noise UHF Transistors, WIOOP Jan 96 The 88 Varactor, WA6BSO Mar 38 N-Channel FETs RF Applications. WA5KLY Mav 12 VHF Parametric Transistor Multipliers, WKGXN Jul 20 Save That Transistor , K9VXL Jul 50 Designing...

MC

Mod- DR-400, Ultra-Sonic Generator Acoustic a Assoc, PE-162C, Generator Set, 150 Watts RCVR, Mod. RBC-1, Freq- Ran 4-27MC, 115V AC RCVU, BC-842N L5-1SKC RCVR, Type BC-1206-CM, Freq, Range 200-400KC RCVR, Type BC-454B, 3-fiMC BCVR, Mod. RDOr 300-1000MC, 105-125V RCVR, Type BC-1004 BC-40MC RCVR, Type KA-1B, .150-1.5 and L8-15.0MC, 6 bands RCVR, Type CRV-46161. 195KC-9.05MC IN 4 bands RCVR, R-2ti4 fGRD, I 0-160MC, 115V RCVR XMTR Set 1.6-12MC, RCVR Col- 46159, XMTR Col 52245, Collins TS-S5B UP Fl...

Cw Xmtr

Novice or General Triple Conversion Crystal-controlled First Converter 500 kc ranges for 80, 40, 20, 15 and 10 Meters Also any 500 kc range between 3.0 mc and 30 mc by inserting an accessory Crystal Temperature-compensated VFO Tuning Selectable Sidebands without returning Three Bandwidths .4, 2.4, 4.8 kc at 6 db Solid-state Audio, Product and AM Detectors, AVC Amp and Xtal Osc AVC Switch Fast, Slow and Off SSBf AM and CW with AVC and S-meter Works Break-in CW with...

Frequency

Insertion loss versus frequency for the two types of attenuator construction all sections shielded A and only the 20 db section shielded Extenuation per section by this method is not recommended for high frequencv use. Beamed-Power ANTENNAS 'BALUNS I. V. KITS and ROTATOR SYSTEMS Most Technically-Perfected, Finest Communication Arrays in the World PrecrsioivTuned-Matcfied and Balun Fed far Balanced-Pattern 1 to assure 'iTOP-MAN-GN-THE-FREGUENCYtt Results You, too can enjoy World renown...

Www.dxradioamateur.com

Gus Part 9 W4BPD Jan 66 Part 10 Mar 98 Part 11 Apr 102 Part 12 Jun 68 Part 13 Jul 78 Part 14 Aug 76 Part 15 Sep 87 Part 16 Oct 60 Part. 18 Dec 98 Why WTW Now , W4BPD May 7H WTW Country List Oct 66 The WTW and You, Mr. DX'er, W4BPD Oct 67 W4BPD Nov 106 A Visit to the CNS's, G3BID Jan 28 Diarv of a DXpeditlon to VP2VD, K41IF lt Mar 20 PY2USA. PY2CUB Mav 32 Don Miller W9WNV DXploring Jul 76 Down Range AFETR, WA4NXC Nov 70 Navassa Revisited, KC4AF Dec 86 Tiiey Said it Couldn't be Done, WA2YTK ____...

Military Electronics Corp

4178 PARK AVE., BX., N, Y. 104F7 212 CY 9-0300 321-329 Elm Street Cambridge, Mass. 547-4005 SSB'ers GO 6 METERS SWAN 250 325 NOW IN STOCK NC-303 , 249 NCX-3 225 SX-101 . 189 Galaxy V w pwr supply R i 00A , 75 Galaxy linear w supply . ,, Swan-120 125 Galaxy remote VFO amp speakej NCX-5 II, NCL-2000, NCX-A 850. No trades 38 Biltmore, Asheville, N. C. T. T. Freck W4WL Sandy Jackson WN4AAL 1ET US QUOTE ON YOUR USED EQUIPMENT Why should you have to root around1 in a stack of magazines to iind those...

Wgxn

Here's the sparkling new GSB 6 Si Meter Communicator offering all three modes SSB, CW and AM 20 Watts Peak , and a new budget price of 299 Mate this new transceiver with the Gonset 9I3A power amplifier and you I be king or queen of your frequency until the QSD h3S been completed. There's nothing finer on the air today- the quality is superb in each mode. Each unit is 100 operational-tested in the Gonset laboratories, by super critical engineers your assurance of trouble-free operation from the...