On Or A Catalog Write Or Phone

FROM FLORIDA PHONE (305) 771-2050 771-2051 5821 N.E. 14 AVE. FT LAUDERDALE, FL. 33334 David . ttrown IV9CCI RK 5, Bo* 39 NoWe*vi e JN 4MJ60 part I getting there is easier than you think As amateur radio has progressed over the years and we amateurs have been evicted from the lower frequencies for one reason or another, we have continued to operate al the higher and higher assignments until a few years ago, realize that many hams today have gone on to the microwave regions, but usually with...

Info

RATTFRY PACK AND AC WA1.I CHARGER ittR IC-202S AND IC-402 & 49-0S- BC-20 Nl-CAD BATTERY PACK AND DC DC CHARGER FOR IC-202S, (C-2J5. IC402 AND IC-502 U9.V5. IC-CF1 COOLING FAN FOR IC-701 POWER SUPPLY 1C-701PS OR IC-PS20 (39.00, IOCK2A 5* REMOTE KIT fCABLE AND BRACKETS FOR LOZflO *31.25. JC-2S0LC 15 REMOTE CABLE ONLY K)R IC-2B0 S18,75, IC-EXL EXTENSION TERMINAL FOR 129.50. IC-EXl0ft FM UNIT FOR IC-551 AND EC-551D *11.S,00. 1C-EX107 VOX UNIT FOR IC-551 49.00. JC-EX108 PASS BAND TUNING RF SPEECH...

The New Aea Model Mt Computerized Morse Trainer Makes Morse Code Easyand Fun To Learn

User May Program Starting Speed. Ending Speed. Practice Duration 5 Letter code Groups or Random Space Common or All Characters Precise Speed Control 1 to 99 WPM (Tailor to Your Exact Requirements), 24,000 Character Answer Book Available (S2.00) For 10 Starting Positions, Random Mode For Practice (No Answers). KT-1 Computerized Keyer With All Features of Above Twiner ts Also Available tn Same Package For SI 29.95, Advanced Electronic Applications. Inc., P.O. Box 2160,...

Scr Board

SPEC COMM REPEATER BOARDS & SUP-ASSEMBLIES These are Professional Commercial Grade Untts Designed tor Extreme Environments ( 30 to + C). AH equipment assembled & tested. For 2Mt 220 MHz & New 450 MHz A tie 0,n rr t range educes cad It Ekc. audio quality Fast squelchl w 0.0005 Crystal. Same as used or 5CP1000 Completely jssmtiid w F T cjp& , SOi39 conn AF GAIN FOT & lc Similar to SCRtOQ, except with t2PoieiF Fin i. 8 Resonator Front r> d F lr ' Discrimina Cor Devialion Mir Out...

Little Giant

The June. 1979, issue of 73 had an article by WQIHI on building custom-configured boxes, it was based upon the reasonable assumption that the average amateur does not have access to heavy-duty sheet-metal bending equipment I recently came across a piece of equipment that made me see the situation from a different viewpoint, however, and this article is based on the use of this Might-duty equipment that is within the reach of just about everyone. The piece of gear I am referring to *s the Little...

Ten Meter Ox Decade Award

1, Sponsored by the editors of 73 Magazine, the Ten Meter DX Decade Award is available to licensed amateurs worldwide. 2, All contacts must be made on the 10 meter band using only channelized converted Citizens Band equipment or simitar commercial units operating a minimum of 15 Watts PEP output External amplifiers may not be used. 3, To be eligible for this award, all contacts must have been made on or after October 1. 1978. Contacts may be ciaimed for all AM, SSB. CW. or FM, Mixed mode...

Nfn

QSL Managers Usts of QSLing information are available everywhere* ana *ve do mean everywhere. We have tned to make this list usefuhn a special way by listing stations actively worked on the bands during the month of May. This is a regular part of this DX column in 73 You witt note some listings which are the same as they have been for years. The idea is to pro* vide you with useful information for your recent DXing. Last stop in May for John AcKley KP2A was at the home of Father Marshall Moran...

Fmt

TE 3Sf COM PACI SI I V (JI riPLI DRIVEN n fMF-MS TE 3Sf COM PACI SI I V (JI riPLI DRIVEN n fMF-MS Ib . the leader in wideband anienna tesign. is piuud Lo announce a totally new concept ih antenna desk -- with ihe nil rn w TE33SP Fhe I E 'JSP impiovs iwo driver efeirnents lo achieve previously unattainable marine mni a tiiband vagi. Pouer is applied lo the radiator arid coupled through a rigid phasing line operates in conjunction with a specially engineered printed chcuit hoard to provide ihe...

Dteaks

PURCHASED TOGETHER (Value S1Z3.90 S124.95 FULL 8 0IT LATCHED OUtPUT 19 KEY KEYBOARD Tht JEBQQ Encoder Kiryboard KK provrin sp r i *adeL.-ai Li .ci oroa jC I tioi nqutni l key entriti to at ow ct reci proflflaming for S b i rricroprocfriair or fl-hii memflfv cucurtL. Thrtt additional key* provided lor u mt op protons wiih one navirta a i stable puipul a eitahh The outputs art laUlipd and monitored wirhS LED readouts. Alio includsd iia key entry strobo. Foaturgs FliJi 3-hit...

Th

144-148 MHz 15 Watts 220 225 MHZ 10 WattS 205 StSS 12 channel operation at unbelievable price plus the performance amp reliability vou have learned to expect from Clegg. Special quantity pricing is available on both models. Get your group together fic call 1-800-233-0250 for a quote on your requirements. MVIARK-3 can be supplied with special modification for CAP or MARS Call or write today for descriptive brochure. 1911 Old Homestead Lane GreenfiekJ Industrial Park East Lancaster PA 17601 Vbur...

Mfj-825 Deluxe Power Sentry

Tftlt NEW MFJ 825 Deluxe Power Sentry is MKTs exclusive Multi Sensor SWR Peak Wattmeter With one unit you can monitor SWR, peak, average power for HF. VHF, or QRP rigs, Secrel It plug-in mors. Ping in up to 3 sen sors ot your choice HF, VHF, or QRP. see below Connect and operate up to 3 rigs simultaneously. Front panel switch selects r q to monitor. Comet with one sensor ol your choice. Use Rcad forward and reflected power on separate meters 2 ranges. 2eo meter movements Read SWR fnrnt 1 1 to 6...

H

Receiver s sensi uviiy conlroJ to Etcp scanning only upon recep -tion of full -quieting signais, skipping thf weak ones. The 100 kHz Selector button caiihujg the VF 740 s tuning in 100 kHz increment The 7401 1 MHi Selector button lets you choose any 1 MHz segment of the 2-meter bend The lOkHi Selector advances In 10 kHz steps In Scan, ae it te cycles from 9 to 0 it also causes the 100 kHz readout to advance by one digit Depress orice to resume-scan Junction gives you am effective rhoi. - o 800...

Sf Radio Desk

Designed with angied rear shelf for your viewing comfort and ease of operation Flow Spacfl 3S Widfl by 30' Peep Check , Money Orders, BankAmerfcord and Masier Charge Accepted F O B. Culver City. In Callr Add 6 Sales fa . --DEALER INQUIRIES INVITED__ 43 4 KEYSTONE AVENUE CULVER CITY, CALIF. 90230 - PHONE 213 37-4 70

Communications Corp

fte a 1 f - vi c e se pj ge 195 Kilian N. ablln W9lWt 9124 N OilIVfort Avenue Skokie IL 60076 The US Army made me a radio ham, although that was not the intention When they drafted me in 1941, before the shpotin' began, they somehow had me pegged as a supply clerk, but I was not about to become a shopkeeper in uniform, Fortunately, ail of this happened in a Signal Corps Battalion in South Carolina, and my request for a transfer to the1 Radio Section was finally approved especially after I lied...

Divide C Rcuits

J1 .1 - n . . .'' -. gt - -v - the right combination of gates for each particular frequency and the diodes provide isolation between Suppose, for example, that we wish to select 29.50 MHz as the first scanned channel. Table 1 shows that the - 224, -M6, and h-8 gates must be activated, to give a total N value of 248, by the first inverter via a matrix. Note that the - 224 gate is actually made up of the h-32, -s-64, and -M28 gates all tied together to act as a single -s-224 gate. Fig. 5...

Sg

LABORATORY PRECISION VERSATILE AND flUGCED FOR USE IN THE FIELD I .jnlut lt jj-Hi ir ind fl il-.' J . IU-Lltf-i il.ii . .i, t -ii lull l I' Ij i .' trf II. ' J I I-1 lrTjf hi .- ITjM.- gt -i 'OFpflrtWjIi.CafripdCttopiii '. .J.'i It lied mi rhi K01 tlJridlrtalrufflHib li'hnM'yiut Ll- iriri.il IJ IVil pi -I.- --- -. Ittht n ,.,ji.i'ri.j DfllH111IIJiii HliJ I- iiu. lInlI .-r 11 fliih li Cati Find lOrt'rflfMiilt jiitiihea- imtKiiHtlii l i i-le i .'vr'- .rh n mm - , 1 r. ica iF j iaH m ftj n l...

Aea Kt Keyer Trainer

Advanced Electronic Applications created a sensation among CW devotees with the introduction late last year of the MorseMatic, a superb microprocessor-controlled electronic memory keyer. Now comes AEA's KT l Keyer Trainer, a compact electronic keyer and Morse training device that Incorporates many of the most popular features of the MorseMatic. but is available at a substantially Jower price For someone familiar only with conventional electronic keyers, the lack of knobs and switches on the...

Wilson

Nevada 89103 Ptices and specifhci on tubpcl to c Ange without notjc Wayne Mueller W 4LVM 130 Sunsef Court KosweH CA 30075 No Problem No Problem This is not the official story of the VP2KC world-record contest team. That story will be written by others, and since CQ Magazine sponsored the contest, will almost certainly be published there. I was just one of the operators, and this is my story, for those who are not avid contest followers, the Southeastern DX Club...

Those Fabulous Fifties

Receiver Hro

C Stewart Gitlmor W1FK Spencer Road Higganum C 7 i 64 if Of course, you remember your old rigs, but what was everybody else using 25 years ago I have two different dream station s from 25 years ago One was pictured on the cover of the 25 lt T ARRL pamphlet, How to Become a Radio Amateur It showed a youth sitting in a room that was plastered with QSL cards. Apparently everything the kid needed in order to get those QSL cards was on the desk in front of him A little home-built two-tube receiver...

Kenwood R General Coverage Receiver

With the profusion of new general coverage receivers now coming on the market, the selection may become bewildering to the prospective buyer. But one cost-effective receiver stands out above Ihe crowd Ihe Kenwood R-1000. Compactly packaged 12V x 4 Vi x 8V2 t the handsome styling of the R-1000 is in keeping with the entire Kenwood communications fine. The ruggedly-built receiver has a carrying handle which doubles as a till bracket. Plastic feet are also provided for flat tabletop operation. The...

Notes from Big Sky Country

Hess Or William C Hess VV6CK PO Box 19-M Pasadena CA 102 KGCX employees during the thirties im luded i to Rt An-nouncer Adolph lystad, who obviously has just left his emp o menf at the Westiand service sfafron to haw his pic lure taken at the Westiand radio station, tngineer George Batrey, later to become a consulting radio engineer in Washington, DC and Engineer Eddie Richmond, who is now ij practicing attorney in Portland, iregon. the dog appeared oat of now...

Q

Some corrections for my article ''Electronic Dice-A Family Pleaser June, 1980 U2 and U4 should be labeled 4522 U3 should be labeled 4511 and U7 should be U5 and is a 4511. All pin connections shown on ait ICs are correct. Revtsed Fig. 3. Down with interpolation. There are several corrections to my article Down with interpolation. which appeared in the June issue. First, In Fig. 1h the readout schematic, the ground pin on the 7473 should be labeled 11, not 7. The pins at the bottoms of the LEDs...

The Rains of Morvi

Editor's Note The author is president oi the Federation oi Amateur Radio Societies of India, Disaster struck Morvi on the 11th of August in the afternoon. Due to incessant and unusually heavy rains, the earthen Macchu Dam No. 2 burst from both sides of the spill way and engulfed the entire city of 75,1 00 persons, A wave T or ft' high caused the initial damage which devastated 80 of the buildings and left an estimated 10,000 persons dead. The water continued to rise to a maximum of 15 feet, and...

Ufos Again

The lack of hard news seems to have thrown the world of UFOIogists on hard times, A few years ago there were several organizations which were actively following up on UFO reports and publishing monthly newsletters. The oldest and biggest of them, NICAP, seems to have disappeared, with reports that someone took over and took the money. f don't even see any current references to APRO, which took over as number one when NICAP began to go downhill Now there is a MUFON in Texas, but their newsletter...

Partridge Electronics

G3CED Stoadstairs, Kent. En J rrci G3VFA Tel 01144 0843 62535 lease send all reader enquiries directl W. H, Minor 158 Wesley c rrc e Macon LA iU04 electronic data base management for hams The amateur exploring uses for a microprocessor in the ordinary pursuit of his hobby will find the possibilities almost endless. It seems likely that in the not too distant future, all amateur equipment will come complete with microprocessor Most applications will involve some form of...

Counter Preamp

Wide hand preamps with 20 lo 30 dB gain Improves performance of gt ow pi ce counters considerably. Probe reads oscillators without loading. Generaiors can be sat lo jpwef output avoiding frequent shiits. Atsc for scopes, meters, etc Veiiuabto troubleshooting Powered by 3 pen cells, BNC connecsors Hi Z input. Output is 200 in 400 mv rms into 50 ohms. 100 KHz to 200 MHz 39.95 1 MHz to 500 MHz, 54.95 Order from PAGEL ELECTRONICS 6742-C Tampa Ave Reseda. CA 31335, Send check or MO for ppd. shipment...

Com Pu Cruise

This gadget lits into mosl dashboards no strain even in a tiny sports car like the Mazda flX-7 . and once you nave Ft. every trip is like Hying a 747. The darned tning ells you the time, how fasi you're going, tiow far you've been on this trip or since the la amp l regassing. how many miles per gallon you're getting, either al me instant or the average on the trip . , or gallons per hour at the moment or tor she trip . tenriDeraiure ouiside . inside for coolant temperature, it you prefer oh. It...

Aug

The South Central Connecticut Amateur Radio Association will hold its Super Scarafest '80 on August 16-17,, 1980. at the Ramada inn, at Exit 12 of 1-91T North Haven CT 06473. Booths will be available. Features wilt include a ham and computer flea market, an auction, special events tor non-ham spouses and children, and drawings for prizes throughout the show. Prizes wili include a solid state low-band transceiver, a synthesized Iwo-meter HT, a microcomputer, and a 600-MHz fre quency counter....

Heath Kit Sa Antenna Tuner

Sometime around 1955, t had my first encounter with Heath-Kits when purchased an AR-2 general coverage receiver, it was quite an undertaking, I almost died when If thought of the apparent hopiessness of the bags and bags of screws, resistors, and other assorted parts that l had bought with the pain and agony of foregoing my lunch at school. I was a real novice and really knew very tittle about what was what, but Heathkit apparently knew this and put things in such simple terms that I had little...

The Ms Expedition

In celebration of its 50th anniversary, campers and staff members of Camp Hy-Lake, a summer camp for boys and girls n Guebeck, Tennessee, are planning a canoe trip down the Mississippi River. Hailed to be the first such event attempted by a summer camp, the 1039-mile trip will see two 26-footr 25-year-old war canoes en route from St, Louis, Missouri. to New Orleans, Louisiana. This ambitious event, named simply The Mississippi Expedi tion. will begin on August 11 and end on August 29. The ca...