Info

S95 Partial Kit (includes Microcomputer components and circuit boards less box and analog components (225 Complete Kit includes bo*, power supply, and all other components) S295 Assembled and tested unit Us sho n' Overseas Orders and dealer inquires welcome I to 150 WPM with Auto-Sync. Continuously computes and displays Copy WFM Re-keyed Side tone Osc, with on ba.Lrd speaker See your local dealer or contact XrrEX* direct. H J- vt utrm P i> fj 11 f 1.1 IE* 7 M' -Ziv M-HAAS

Qsl Information

I have been an avid reader of your magazine since 1973, when I discovered it on a newsstand at the PX at Ft. Jackson SC. l have been in the Air Force fourteen years as an electronics technician. Now I am stationed in Germany and am so tired of waiting for Stars & Stripes bookstores to stock your latest issues every month that 1 jusl gotta subscribe You put out the best magazine 1 have seen, I have been poring over all the back issues of every electronics magazine I have and have not found a...

Canam Contest Results

TROPHY WINNERS SINGLE OPERATOR American Champion, Mixed David Hachadorian K6LL 7 Canadian Champion, Mixed Jim Bearman VE5DX American Trophy, CW John Hawkins K5NW American Trophy, Phone Jack Webb W5JW Canadian Champion, CW Lee Sawkins VE7CC Canadian Trophy, Phone Sid Kemp VE7BGK Multi-Operator Champion Walt Tillner CG3IXE Club Competition Champion BC Contest Club Free one-year subscription to CANADX bulletin LONG SKIP winners are Rick Doneily WD5EEF Gary Fosket W1ECH 1 ARC lirbana 111 W9YH Phil...

Ndj Announces Channel Meter Transceiver

NDL Inc., has announced the HC-1400, a new high-performance 2 meter FM mobile transceiver. This microprocessor-controlled, digitalty-synlhe-sized unit has 800-channel capability within the amateur 144-148 MHh band, and offers 5- or 10-kHz channel spacing A fast-acting single knob selector shifts LED digital frequency readout in 10kHz steps, and the rig also has a 100-kHz speedup button. Transmit offsets are preprogrammed and switchabte to plus or minus 600 kHz. Simplex operation is also...

Dealers

J 'nur company nam* and message curt contain up to 25 itwrfj for irr fittlr as ff50 ytariy (prepaid), or S 5 per mo nth (prepaid qmrirrfy). Vo mention of mait order hashless ttr area ende permitted. Directory ti' f and pa y-menf muff re ift 45 days in mtiunce of pubticmion. For exam pit< advertiiinx for the June iisue must be in our htindf by tprif iSth. Mail to 73 Magazine, Peterborough VH0.M8. 4 TT V Aline Coulu. Robert E. Bloom W6YUY 8622 Rubio Ave Sepiiheda CA 91343 a 20-Amp, ad ustable,...

Kansas City Mo

T.- -T Association, Inc., of Liberty, Missouri, will sponsor the tenth annual Northwest Missouri Hamfest on Saturday and Sunday, April 21-22, 1979* from 11 00 am to 5 30 pm on Saturday, and from 10 00 am to 5 00 pm on Sunday, at the Kansas City Trade Mart. The Trade Mart is located at the Kansas City Downtown Airport, with easy access to al area interstate highways, with unlimited park* ing adjacent to the 45,QQ0 sq. feet of exhibition space. Display booth spaces are available at a...

Heard On The Band

Due to a problem with the local MARS station and a desire to relax for awhile, WA4YVG VQ9 on Diego Garcia has gone QRT. QSL to 102 Schoolfield Drive, Danville VA 24541. That EU prefix being heard Ss White Russia, Replace it with UC and you have the correct call. YMBGD's signal has definitely improved. Word has it that the FT-560 supplied by the MCDXF is now on line, A9Z was a special prefix to mark National Day Jn Bahrein. Bhutan has begun a program of training wireless operators in the hopes...

Bullet Biting

The position some of the Advisory Councif members are in is not enviable, The needed in* crease in advertising rates could directly affect their own businesses. The current QST ad rates are around 1,500 per page and should, to be consistent with those of other similar magazines, run around 4t500. This would increase the cost of a full-page ad by about 36,000 per year and have to be reflected in higher equipment costs to amateurs. This change alone would bring up ARRL income by about 2,5 million...

Limited Qty On Some Items

7490-House & TTL Decade Counter Pdrne. 22C ea 10 1.70 Tantalum Cap. Maliory. 56 MFD 35V Axial 12 ior 47C * Weston Meter - iVfexS1 Mirrored Scale. 0-l20Scalo IMA. 3.17 ea. *TRW Resistor, 820 OHMS 1W 5 50 for S1.85 *Mallory Computer Grade, 48.000 MFD 25WVDC 40V Surge S2.92 ea. *TO-220 Heatslnk. By IERC. Black PC Mount 20 tor 2,90 +.01 MFO 50 WVDC Disc Bypass Caps. Long Leads. 500 for S14.65 *Motorota Audio AMP IC. 2 Watt MC1316P with Sheet. 65C ea. 10 S5,30 Calculator Keyboards. For handheld...

S

SEND FOR ADVA'S NEW 1979 CATALOG NEARLY 1000 SEMICONDUCTORS, KITS, CAPACITORS, ETC.-SEND 25* STAMP. BOX 4181 GB WOODSIDE, CA 94062 Te .(415) 328-1500 the computer is only dedicated to the loop for a short period. For other types of converters, the conversion time may take much longer, perhaps milliseconds or even hundreds of milliseconds for a digital multimeter. In such a case, the microcomputer would spend considerable time waiting for the ADC to flag the 6080, Indicating that the conversion...

Drake Dry Dummy Loads

If I were ever limited to a singie accessory item for the shackf I'd unhesitatingly choose a dummy load. Whether I'm tweaking up a nev. piece of equipment Ive just built, going through the neutralization pro cess after changing the final amplifier tubes in my trans* ceiver, or simply retunlng after changing bands, 1 find a dummy load indispensible. Nowt with Drake s two new dry (no oil required) dummy loads, the DL 300 and DL 1000. it s easier and more convenient than ever to have a dummy load...

Palm Size Csc Max Mhz Counter

The newest and most capable frequency counter in the Max1' line from CSC is the MAX-550, a new, palm-size frequency counter which boasts a l-kHzto-550-MHz range. This counter is no bigger than most pocket calculators. The counter's 50-0hrn input (via a BNC connector) has a sensitivity in the milliwatt range. Its eluding cables, a case, alternate power sources, and so on will be offered. Additional information is available from Continental Specialties Corporation, 70 6-digit LED display features...

Psu

State-of-the-art styling and design make Swan's 100 MX Mobile Transceiver one of the most desirable units available today This solid state, made in America transceiver operates from 11 to 15 VDC source negative ground. Boasts USB, LSB, CW. Semi-CW break in. Built-in noise blanker. Preselector for transmit and receive. Call us now for your free instant quote on this or any other Swan product

Dda

IS OFFERS THE BEST OF TWO WORLDS . . . f ffi unprecedented DSI VALUE in a high quality, LSI Design, 0 HZ to 550 MHZ frequency counter kit. And, because it's a > SI innovation, you know it obsoletes all competitive makes, oth in price & performance. > A gj *' tfith 95 of the assembly completed by DSI, you are only one our away from solving all of those difficult bench problems. *om adjusting 60 HZ clock-time bases to setting the frequency f a 468 MHZ Mobile Radio. Jfep Every 3550 QUIK-KIT...

Drake Mn7 Manual

Factory wired for use with the TR7 DR7. modes push-to-talk or VOX, dynamo, high impedance, frequency response 300-5000 Hz. output -48 dB at 1 KHz (0 dB 1 Wmlcrobar), 4 pin connector. Has a frequency of 1 6-54 MHz, a power range 0-20, 200, and 2000 watts full scale Features a direct scale readout for VSWR. Sensing element can be located remotely up to 3 ft away Connectors SO-239 Line imp 50 ohms Designed for use with theTR7 DR7 and offers a high degree of frequency control flexibility It can be...

Band

NEW' The 13*51 OA P.L.L. synthesizer delivers 1-200 frequencies between 143.00 and 149.00 MHz the full 2-meter band, plus MARS. NEW The 13-51 OA will operate with up to a 6 MHz split between TX and RX NEW The 13-51 OA microphone connector is pre-wired for your Touch-Tone NEW The 13-51 OA has a 7-pin accessory connector for your Touch-ToneF dial, tone-burst generator or discriminator meter. HTiuJcfvToriL> is Li fcgistefed radetnark Of AT& T NEW The 13-51 OA is compatible with available...

ST

TS-1 Sub-Audible Encoder-Decoder Micromimatuie in size. 1 25 x20 x 65' Encodes and decodes simultaneously 59.95 complete with K-1 element TS-1 JR Sub-Audible Encoder-Decoder Microminiature version of the TS-1 measuring ust 1.0 x 1 25* x 65' for handheld units 79.95 complete with K-1 element ME-3 Sub-Audible Encoder Microminiature in size, measures 45 x 1.1 x 6 Instant start-up 29.95 complete with K-1 element TE-8 Eight-Tone Sub-Audible Encoder Measures 2.6 x 2.0 x .7 Frequency selection made by...

O V

The letter by Jack Chancellor W9SON in the November, 1978. issue raised some interesting questions. How many black Americans are hams How are black hams responded to during QSOs and in amateur radio activities I'm a btack American ham, licensed since 1954, and in spite of extensive travel in 27 states in the course of my professional activities, I've never met a black ham. I may have worked other black hams on the air, but I've never had a QSO where the other op identified himself as black....

Gilfer Shortwave

Dept. 733, Box 239, Park Ridge NJ 07656 FINALLY A RF PROBE that lets you connect into your coax cable for frequency measurements and modulation waveform checks directly from the transmitter. JUST CONNECT THE CoaxProbe into your transmission fine and plug the output into the frequency counter or oscilloscope. Insertion loss is less than gt 2db so you can leave it in while you operate, A NECESSITY IN ANY WELL-ORGANIZED HAM SHACK, the CoaxProbe eliminates jerry-rigging and hassles when tapping...

Mg

COMPUTER POWER SUPPLY TRANSFORMER PRI. no Vac, SEC. 12.1 va 9 A. 44.0V S 2.5 A, 12 9V 2.0 A. 12 9 V s 3 A Only S14.95 a 11M6' Compare wtb othe meters costing S6 00 ONLY 52.00 ea. Why pa. CALCULATOR BUBBLE DISPLAY BRAND NEl, pocket calculator displays Rargimg from amp -9dtail Your luck 51.25 aa. 3 53 00 pare, then really save with our calculator hobbv bag assorimani Each one contains 3 calcuiaiof keyboards. All this For only 51.75. ASSEMBLIES Spring coniact iype 6 52 00 Which anables you to...

Random Wire Antenna Tuner

All band operation lt 160-10 meters with any1 random length of wire 200 wan output powvr capacity will work with virtual any transceiver Ideal for fx gt rtable or home operation. Great for apar intents and hotel rooms - simply run a wire inside, oul a window, or anyplace available. Efficient toroid inductor for smal1 size x 2X x 3 and negligible kiss. Builtm woo time-up ndicator SO 239 connector AttractK-e bronze frn tshed enclosure. 1 lie ' TT1 4 INI I It Unlit Tin Wili

Yaesu S Ft

I've owned my FT-7 low-power mobile rig for a year now and have really enjoyed it. I bought it on Okinawa while with the US Navy, so it have the Japanese version instead of the US one. The main difference is the The FT-7 covers 500 kHz of the 80-15m amateur bands, plus one 500-kHz portion of ten meters 28,5 to 29.0 MHz . The FT-7 operates on USB, LSB. and CWn with a choice of vfo, RIT, or fixed channel operation. The rear panel has provisions tor a standard SO 239 rf connector, a ground post...

Mfj Introduces A

Instantly zero in SSB CW signals with tunable peak, notch, towpass filter. MFJ has solved problems that plague other tunable filters. MFJ improve tune le filter , -constant output a BW im wmried9 linear freq. control, tighter notch. Inslantfy zero m a SSB CW signal and elimii-naie QRM. The MFJ 751 Signal Enhancer is a tmmbje SSB CW active filter. You can select an optimum mode, zero in with the frequency contra and adjust ihe bandwidth for best response. Peak, notch or Id pass signals with...

CO

MAIL ORDERS P O BOX 11347 BIRMINGHAM. AL 35202 STREET ADDRESS 2808 7TH AVENUE SOUTH BIRMINGHAM. ALABAMA 35233 MAIL ORDERS P O BOX 11347 BIRMINGHAM AL 35202 STREET ADDRESS 2808 7TH AVENUE SOUTH BIRMINGHAM ALABAMA 35233 YAESU FT-227RA The Memorizer transceiver One knob channel selection for 800 channels, frequency 144-148 MHzh 4-digit LED readoul, fully synthesized frequency control, selectable 10 watt Hi 1 watt Low output. 4 memories, touch control on mic for scanning, scan selectable for clear...

Pat

' .If li RIGHT WHERE YQ WANT FT Wlih oneftaud, raise the lower Irurn r to as tiigh as 55'. Find exactly ihe right receiving level rr-om CB. Htim or TV Wher gt ycju want to aLJjLhiH youf antenna, Install e ne-A- one-, c KIil mainLiiftai .-, ci'an i-down i Wo more clirnr .ng -ip in trie sny 1 repair ot rebates arteries. With the exception ai our fireaKoviii rftHieis tms is the mftal cor-venient tower you can buy. BFlEAKOVEflS THE ULTIMATE IN CONVENIENCE Our oreakovers not only telR amp Mpe, Ih j...

Tempo Channel Handheld Transceiver

The amazing pocket-sized Tempo S1 SYNCOM offers the firsl fully-synthesized 800-channel 2 meter miniature amateur hand held Iransceiver, Other units which are larger, heavier, and similarly priced by the time you add crystals, bat teries, chargers, and antennas can offer only 6 channels. The SVs price of 349 includes the battery pack, charger, telescoping antenna and 800 channels low selection of the receive frequency to 10 kHz. The 5-kHz slide switch offsets to 5 kHz if desired. Then you have...

Tufts Radio Mystic

Our famous value-packed mail order catalog filled with thousands of Amateur Radio items. Now ready to roll and yours for the asking . , Call Tufts today for prompt delivery of your Amateur Radio needs from our tremendous inventory. Let us show you why Tufts is the leader in mail order sales. Our crew of 100 hams, very competitive prices, and reliable modern service facilities ensure your complete satisfaction Call toll free daily 9-9 and Saturday 9-6. 1- 800 2254428. 209 S Mystic Avenue Medford...

What Is The Frequency Reponse Of A Yaesu Yd-148 Mike

Transceiver jl I The Handle 1 watt output minimum, 6 channel capability, flexible helical whip antenna equipped with tone burst, compact size and light weight, S-meter and baitery condition indicator, operates on 8 AANiCador 7 AA dry celt batteries. YAESU NC-1 NiCad charger to recharge the batter tes for the FT-202FL Charging current 45 mifti-amps MA or S-1 hrs. 110 VAC operahon 39.00 YAESU YM-24 speaker nvc lor the FT-202R Complete with coiled cord and connector 29.00 YB-1 AA rechargeable...

Deerfield Nh

The Hosstraders Net will hoid its 6th annual tailgate swapfest on Saturday, May 12, 1979, at the Oeerfield Fairgrounds, Deer-field, New Hampshire, There will be covered buildings, in case of rain. Admission is 1.00, with no commission or percentage. Commercial dealers are welcome at the same rate. Excess revenues will benefit the Boston Burns Unit of the Shriners Hospital for Crippled Children. Last year we donated over 1100.00. Talk-in on .52 and 146.40-147.00. For more information, send an...

Svntiifsizers

SYN II Kit, . . mtr synthesizer, transmit oUsets programmable from 100 KHi lOMHi. Mars offsets with optt naf jdapiers , . , . . . 169,95 s-irrtf ibnve wired i let if J 2 39,95 same SV II Kit eiccpi 2 20 same as abiive wired amp tested . . 239,95 W diode switching. . . , t H . t , s 8,95 to channel mit deck w switLJi and trimmers . 1 6.9S UMI ti-rsLdii of tT 1 deck N needed fnr lt M nuiltl hnnnul per.iti.iui 3 4,95 carrier Optra led relny t 23.95 1 J channel uto-scan adapter fur KX with priority...

Collins

Although Collins continues to offer only their vacuum-tube line of transmitters, receivers, and transceivers on the amateur radio market, they have introduced a solid-state line for commercial use Two of the new transceivers, the HF-281 and the HF-282. have an output of 125 Watts, For commercial use, they are channelized but can be adjusted to any frequency between 1.6 MHz and 30,0 MHz in 100-Hz increments. A clarifier control permits excursions 150 Hz above or below the established frequency....

Hustler Introduces New Meter Magneticmount Antennas

The new Hustler Model BBLM-144A 2 meter magnetic-mount antenna was recently announced by New-Tronics. The base-loaded 52 antenna offers a unique magnetic-mount design with much stronger grip per square inch of magnetic surface than is normally available in magnetic mounts. The HC-1400, NOT s new 2m transceiver. Careful design of the shunt-fed matching system guarantees maximum signal radiation at the point of lowest swr. The tapered stainless steel radiator provides maximum protection against...

Computer Parts

Z-80 - 19.95 Z- A - 24,SS eOSQA - 6-95 aoeOA-2 - 8.95 P.O. BOX 401247 GARLAND, TEXAS 75040 214 271-2461 TERMS Add 3GC postage, we pay baJance Orders ur gt der ado 75C handling. No COD Wc accept Vi amp a. M amp sierChargc, and American repress cards Te Res ado Tax Foreign orders e cepi Canada add 20 1 P A H Day Money Back Guarantee on ail items. 1- MA1003 clock module 1- MA1003 matching case

T Ultra Tuxer

Tunts Out SWR on any Coax fed antenna as well random wires. Works great an aS bands 80-10meters with any transceiver running up to 200 watts power output Ini ludes bdun for balanced fines. Increases usabJe bandwfcHh of any antenna. Tunes out SWR on mobile whips from inside your cat I fses efficient tapped tndui rr gt r and specially madfj ta Iiacitors or small size S ' x 2 T x 2 . Rugged, yel ootnpact. Negligible line loss Attractive bronze finish ed enclosure SO-239 coax connectors are used...

Lopa Tuner Deluxe

The new SST T-4 Ultra Tuner Deluxe matches any antenna -coax fed or random wire on all bands 160 10 meters . Use it with your dipole, vertical, beam, etc. It works with any transceiver, Tune out the SWR on your antenna lor more efficienl operation of your ng One antenna can even be usee for all bands. The SWR on mobile whips can be tuned out from inside your car, An easy to-read two color ineter scale provides convenient indication of SWR for easy tuning A back panel antenna switch allows you...