News From The Institute Of Amateur Radio

David Middelton W7ZC, Secretary The success of any group activity depends upon i s membership and leadership IoAR is hound to succeed if a sufficiently large number ol amateurs will accept the Institute's concepts and il' the> will join, work for and with IoAR and support its ideals and ideas. Membership is recruited from the ranks ol all who have a bonafide respect for and sincere interest in amateur radio. IoAR must have a large membership and is seeking them in the vast...

Y

Advised by my lawyers that don't you ever proofread y have no other recourse but should be tarred and feath In response to the article in the November issue of 73 tfLovers Lane by Marianne Lattak, 1 must say that it drew many similarities with a few escapades in hamming here at WA0JHH. When my lovely YL saw the article, she sweetiy told me, told you so, Since then I've learned to keep the rig at home when 1 date. Tom Holland WA0JHE1 Minneapolis, Minnesota Re QST for August, p. 64, Bill Orr's...

Gil

Get your FETs now , clip this coupon, send with check or money order, and be the first in your block to fool with FETs SIUC0N1X INCORPORATED, Ij40 West Evelyn Ave,, Sunnyvale, Calif. 940S6 Enclosed is J For ore U1I0 FET and data 2 for one U112 FET and data 275 for both FETs and data (Caltf. residents add 4 , Sc, or lie safes tax) Get your FETs now , clip this coupon, send with check or money order, and be the first in your block to fool with FETs lion West Fve yn Ave Sunnyvale, Calif 1086...

Info

AC and DC power supplies, mobile mount, 400. Globe Highbander VHF-62, 60. Johnson 6N2 converter, 40. Clifl Alsop, 5927 Primrose, Indianapolis, Indiana, 3-6 MC ARC-5 receiver converter to the marine band, power supply, ACT complete S25, AV6BLZ, 528 Cotima Street, La Jolla, California. EI CO SIGNAL GENERATOR, model 320. 150 kc to 102 mc. S22, BC453 receive . 14. BC4S9 transmitter, TVTd. S12. Heath condensor tester CT-1, S7. Fitzgerald, Box 508, Moravia* New York. RME VHF 602...

R E Goodheart Co

Sox 1220-A, Beverly Hills, Collf. 90213 Phone Area 213, tffiee 272-5707t messages 275- 347 IMPE0ANCE BRIDGE Consists of a Weston Electric 14B Rheostat Bridge, Western Electric 2A Fixed Inductor, and a Leeds & Nortbrup Brooks Type Inductometer, Like new condition with manual. JIM.IIU RDR RECEIVER 225 390mc with 1 LSvAC power supply. TCS-13 TRANSMITTER .S- 2wt. Voice or CW, tuneable or Xtaf controlled. Used good. W-JJ SCR-522 100- 156mc Receiver-Transmitter with RA 62 l lbvAO COLLINS PIO, Low...

A M Ph A R L A Mph A R O L Am

And this is the way in which it is done. Five days after the full Moon, five things are to be taken, and they are five stones, each from a place where no sun is to be seen. Then the magician, taking his hat and his shoes in his hands, goes Uj a place where there are high winds, and he calls in a loud voice, st> that the genie may lu ar him. And he calls upon him in these names, **Ampkat Rolat Mphar, Olaml'1 a it is written in the square. I can't help having a strong feeling that a lot of what...

Ac S

Meter, BC-638A, 100 155 mc 19.00 Sig. Gem, M28, 15-26 M.C. & 180-235 mc________24.00 Sig. Gen., 1-130-A, 100-155 M.C 18.00 Wavemeter Osc. 1030, 145-235 M.C 18.00 R C L Scaler, model 3, Mark 13 25.00 Berkeley 1600, counting rate computer 45.00 B.C. 652A Receiver, 2-3.5 & 3.5-6 M.C 15.00 TA-I2 Xmilter, M0, 80, 40, 20 Mtr, 100 watt with M5V. A.C, Power Supply 65.00 B.C. 733-D Receiver 108 110 M.C 18-00 ARC-5 Transmitter for 2 Freq. Shift Adapter, RCA CFA 45 Dual Diversify TBS Xmilter,...

The Astro

Allan Schechner W3YZC Ellis Hersh W3IXL 2466 77th Avenue Philadelphia, Pa, Here's a ten meter mobile transceiver that is small, efficient, inexpensive and rather easy to build. Spare evenings over a three week period were all it took to get it going. Its one watt power level has been sufficient to enable the authors to hold QSO's around the Philadelphia area. The design approach was to make the rig as simple as possible so that the average ham could i et involved with RF transistor circuitry....

George Belling Electronics

Box 1647, Oakland, California 94604 Phone 415-536-6000 l)ig guns would he glad to spare a little time on intruder duty with vigilante net providing some extra mark or space signals for commercial RTTY stations. These stations must have absolutely perfect copy you know, so it really wouldn't > e difficult to make it profitable for them to find a better channel. Darned shame il Cuba, Haiti, etc., get pushed out of our bands . . . right II any amateur < > i club or net is interested in...

Aks

Ffcnltr, nclLi lP p - taEt avg. i it 1 Ib, r VeJ. i.et 3Q flay * RECEIVERS. K5JKX. If you wont to build a receiver or to really understand your receiver, this is the book for you. If covers every aspect of receiving In author Kyles usual thorough manner. 2.00 SIMPLIFIED MATH FOR THE HAMSHACK K8LF1 -Thi* ie the Amplest and easiest to fathom explanation of Ohm's Law, squares, foots, powers, frequency m-ters, logs, slide rules, etc. IF our sdicjots ever got wind of this omaiing method of...

Tubes

Denys Fredrickson W0BMW 3923 East Funston Wichita, Kansas The GDO is one of the most versatile pieces ol test equipment available. Yet there are manv hams who don't know how or when to use one. The writer will try to describe and explain some of its various functions. The GDO is basically a variable high frequency oscillator with a frequency range of approximate ) 550 kc to 250 Mc. It may also be used as a diode detector or wave meter, i he GDO gets its name from the fact that a meter measures...

The Roland Company

NE W YORK,N,Y, 1002 0 As I write this information, lime being 12 30, the Titan JC was a iccess, The Oscar 4 should be in the proper orbit ami ejected now The amateur i ateJlite should have been mined on by 12,08 PST iime+ It is ejected (hat it will be f jrrted over Fquador. The frequencies lfrted in the Sentinel were the ones that ttr iwtc going iri but Ft ill Or t Oscar headquarters) thans d them lo input 144 J OK output center fre< i. 431,972 + 10kc- beacon Ireq,...

Sf Power Supply

Gene Brizendine W4ATE LLS, Army Missile Command Huntsville, Alabama Crystal controlled output at any frequency is possible with this simple frequency-generating system The virtues of crystal control are equally appreciated by the scientist who has had to constantly correct the frequency of an expensive self-excited microwave generator or by the radio amateur who has patiently followed a single-sideband signal, wandering jauntily through the spectrum, in addition to the self-excited oscillators...

Ageradi Electronics Co

Hempstead, NY 11550 Phone 516-1V.-9-0808 Trie writer Model L'1 frequency shift converter designed for two-tone AM or FM with Limiter operation available by switch. Solid fUte ratio corrector compensates lor fading signals. Tc mit amp copying on Mark or Space only. Selector mahnet de loop supply built-in with bias supply and octal socket for optional polar relay to key transmitter. 6W6 keyer tube. Plugin discriminator far 850 cyde or other .shifts. Cathode ray or dual eye...

Hie New Mosley

Two N ew Antennas Customized For 6 amp 10 uiPLOMAT-io di-io Meter Operation ____In creasing numbers of hams are enjoying 10 meters, the up-and coming DX band , , the band for round tables , local emergency nets Mosley s NEW Diplomat-10 for this progress ve bond is a rugged 5 8 wave omi directional vertical antenna rated for 1000 watts features a gain of 3,4 db. over one quarter wave ground plane and 5-9 db. compared to isotropic source, The easy-to-mount, compact features of this antenna make...

Miscellaneous

Power Supply Chassis, 3000 V.CT 300 ma----S 24.00 B.C 433 G Radio Compass Receiver, new 19.00 F.M. Police amp Fire Band Receivers Specify Freq. low or high bond, 1 J5V.AC Crystal Cont 35.00 Teletype 11 tube Receiver, 115 V. A C 18.00 Amplifier chassis, G.E. 6 tube, 25 watt 12.00 A rc.-l, Transmitter Receiver, 2 Mtr. 24.00 Ameco P.S. 3 supply, 600 V. 150 ma., 300V 100 ma 12 V. - 3 Amp. or 6.3 4 Amp. 25.00 Megger, Assoc. Research 218, Portable 15.00 Freq. Meter, 906 D, 150-225 M.C 9.00 OAP...

Superex Ham Headphones

Fall comfort even after many enjoyable hours of continuous use. Superb comfort even for eyeglass wearers. Crisp, distortionless reproduction and high sensitivity allows you to single out that weak signal and hard to reach station, 600 ohms impedance, completely adjustable head harness, PRECISION PLANETARY VERNIER for exceptionally fine tuning Stperb craftsmanship by Jackson Bros, of England. Ball bearing drive. VV dia. Shaft long 6 1 ratio. Vv FB for fine tuning. Easily adaptable to any shaft....

Plug

John Schmid WA6PGA Star Route Uaioma Rood Lompac, California 93436 If you are one of those happy SB-33 or SB-34 owners, chances are that you have regretted, at one time or another, the no-OW feature of your rig. If, on the other hand, you are contemplating the purchase of this little rig, but yon are hesitating because of that same feature hesitate no more The SHE transceiver model 33 can be put to CW use very easily. Less than one evening's work will do it. The Same probably applies to the...

Tristao Towers

Featuring kDD-ASECTION Design Tristao , . , the pioneer name in tower design and manufacture Here is the tower fine that is premium quality, yet realistically priced and designed to enable you to keep adding sections as you grow. A Trisfao Tower is a lifetime investment from your very first section. Besides engineered quality, al towers feature channel lacing and are hot dipped galvanized inside and out. They meet all building code requirements. Motorized models aval lable. Write for FREE...

Sams

Second-Class Radiotelephone license Handbook. New 3rd edition complete study course Tor elements I. II and III of the latest FCC exams. Helps you earn I the License you need for communications and two-way radio work. Order QAN-2, only 3.95 First-Class Radiotelephone License Handbook, By Edward Ar NolL Completely Revised and Updated. Contains questions and answers based on Element IV of the FCC exam ail the information you need to qualify for a 1st Class License, Also provides the essential...

Pulse Generator And Polar Relay Test

Generates perfect 22 in ill second 60 wpm element pulses lor adjusting radroteletypewnter transmitter keyefs, receiving converters, repeaters, etc. for ibto bias. Tests static and dynamic performance and permits precise adjustment of any 215 or 255-type polar relay having ten pin or eight pin two-row, or octal or nova bases. No internal power required. Operates from any loop supply, jectifrer or B battery, capable of supplying 115 lo 130 volts DC at 25 ma. Will mount in standard 19 inch rack...

Mh

This is the schematic of the transmitter described in this article. input into two separate outputs differing in phase by 90 These two outputs are as individual as the two channels of a good stereo system, B amp W rates their unit at 90 1.5 over the audio range of 300 to 3000 cycles per second. The 500 ohm AUDIO PHASING pot across the input to the network will end up adjusted off center by a ratio of 5 to 7, Don't worry, this is he way it is designed to...

Tristao Tower Co

415 E, 5th St. - Hanford, California Richard Van Wickle W TKA 643 Aurora Avenue Santa Barbara, California here are probably many small vibrator power supplies relegated to gathering dust on shelves due to the popularity of transistor mobile supplies. Well, dust off those vibrapacks because here's a way to get more output from them, thanks to silicon rectifiers and the use of a bridge rectifier circuit. Our vibrator supply shown in Fig. 1, rated by the manufacturer at 300 volts at 100 ma,...

Vanguard Labs

Hollts, N.Y. 11423 Back in the October 1964 issue of 73 Magazine, you may have noticed a small ad inserted on page 86 announcing the attempted unloading of mountainside premises somewhere in New Hampshire, complete with a considerable selection of antennas, Within that tempting array, your eye may just have skipped over the fact that it included, and quote, Hy-Gain Tri-Bander for 0-15-10M. Even if you did happen to notice the peculiar specs on that antenna, almost certainly...