A

The wedding drifting tt nvord hea en 73 Amateur Radio * August 1990 15 Photo C The nervous groom forgets to lower the antenna. Photo T Tommy N7KBO and Earl KS8J prepare to float on the air Photo C The nervous groom forgets to lower the antenna. wjs tlso the first hot air wedding for both the minister and the balloon pilot. To add to the event, the ceremony was broadcast over ATV to the witnesses and crowd below. in addition. Norm WV7K and Wayne N7MAO sent back pictures of the ceremony...

Unco

Ultra-Compact Body s-VS'iwjxriHixrtr ) High 45W at VHF High ViW al UHF Middle 10W Middle 8W Extended Receiver Range 144.00 -H7.995 Mhz i IX), 130 - 173-99S Mhz (R X > . 440.00 - 449.99S Mhz (TX), 410 470 Mhz (RX) (Specification guaranteed on amateur bandsonly. Modifiable for MARS CAP permits required)

Aircraft Receiver

ar firiflo I jTtcarin' r rati& . - -v i W eia* iy Reitirfi i* U MIk m-*. * red tut* stflH .tht C iii li> l l'iil iil n l t - wWmhf f K Tu. Kftfftru Opttl-' Itn t ABS catf ' oc (iKi I' viT.-ii- l im ipmcsaiid muft fdaUjn nuiti wts Iff i Jl IJ'Dtc .M j 10 r Comp*c gieatl r urs -n* . .r far lu il 0,'J - ndilOLnq a'D n.-

All Items Are Guaranteed Or Sales Price Refunded

KenwoodTH ISA, TH25AI Tiad* in your old Hi TS440S AT .Call New Kenwooii 1M 731A mobile Call COM IC-24AT JGai AjphaDeiui franGirrapHV CSI Private 1 ih h V __ Call 99.00 12.D 79.00 99.00 12 00 79.00 2695 00 62900 33 00 489 00 ---s ---------- i . i . i e l -i* U T 76 R CjiSSt . . , - i a n i Receiving lubei, fyfJ 90 off lisl pnee 3 Amp RF 5 Rounr.i Nrjw Bn*eti

All Sales Final

AlincoH Ameco, ArrieriuoriH Antenna Specialists, Astatic, Asiron, B& K, B& W. Gencher, Bird. Butternut, CDE, CES, Cushcraft, Dalwa Eimac, Henry, Heii Hustler Hy-Gain, (com, KLW Kaniron cs Larsen wfjt j.w, Miller, Mirage Nye. Paiomar RF Products, Saxton Shure. Tempo, Ten-Tec TUBES, Yaesu, Vibroplex, Duple*ers. Repeaters, Scanners, Radio Publications, Unrden, Kenwood, Maxon, RFC. WE NOW STOCK COMMERCIAL COMMUNICATIONS SYST MS ham dealer inquires invited phone IN your...

Amateur

HAMS SHOULD BE SEEN AS WELL AS HEARD ANY LICENSE CLASS HAM CAN COMMUNICATE USING LIVE TV ON TH UHF AND UP FREQUENCIES TRANSMIT ANY VIDEO SOURCE, COMPUTER, PACKET, RTTY, VIDEO TAPE, LIVE CAMERA, NASA SATELLITE FEEDS, HAM MEETINGS, PUBLIC SERVICE ACTIVITIES, WEATHER, ETC. READ AND LEARN ABOUT HAM TV ACTIVITY, PROJECTS, PUBLIC SERVICE AND VIDEO COMMUNICATIONS IN EACH ISSUE OF AMATEUR TELEVISION QUARTERLY, DEVOTED ENTIRELY TO HAM TV, SUBSCRIPTIONS 15 US, 20 CANADA 25 ELSEWHERE. SAMPLE 4

Amateur Tel Evision

With our all in one box TC70-1 70cm ATV Transceiver you can easily transmit and receive live action color and sound video just like broadcast TV. Use any home TV camera or VCR by plugging ihe composite video and audio into the front VHS 10 pin or rear phono jacks, Add 70cm antenna, coax, 13.8Vdc and TV set and you are on the air it's that easyt TC70-1 has > 1 wall p.e.p, with one xtal on 439,25, 434.0 or 426.25 MHz, runs on 12-14 Vdc 5A, and hotGaAsfet downconverter tunes whofe 420-450 MHz...

Amy Scope

TO* SW95 M l UMKz Ix. f x 5 3 05 tiHnf'Cf - flKv tari uta Vokap Afl scopes duel pc x-s tcns rt op rate minuit. rod 3 j t t2 t lof Elenco scopts *ofldw< te*rrimy an & laoo' u ry dccesionn Mat le** J7F 05AA 75 S06GA i 6K2A 77F t Mote CAILFO* SPECIAL PRICING

Antennas

CuBhcraft, Hy-Gfl.n Hualer, KUM ' E Z Mo ley Utan WDUSLOK TQUNA Btmemu s+u - i FT-767GX* FT-757GXH. FT-747GX. FRG-880 , FT-736R, FT T000D, FT-4700RH, FT212 712RH, FT-470 Simples Auropatch SDl-50 Will Patch FM Transceiver To Your THop ione. fia For Telephone Caite From Mobile To Base Simple To Use SO SO TS44 S AT Pf OOO. TS 940 S AT. TM 231 A 431A TM-257QA 50A. TR 751 A, Kenwood Servie Repair, TM73 A. TS-7iUeiiA, TH2 5ATh TH225A, TM-631A, TM-331A, TS MOS. TS6S S, RZ'1, TS-79 A,...

Atv

In i 987 the model rocket In v , a developmental vehicle for technological testing tlew for he first time. The pay load o the 4-inch diameter, 10 -inch tall rocket housed a Sony XC-37 black and whue CCD camera, and a PC Electronics TXA5 ATV transmitter With Blake W8MNTas control operator, lifted of using an Acrotech H 120 and four Vulcan G-44 rockct motors, the equivalent of almost 40 Estes 0 motors. had mounted the camera horizontally on the rocket, with a mirror in an external housing. During...

Aug

OKLAHOMA CITY OK Central Oklahoma Radio Amateurs wilt sponsor the 17lh annual Ham Holiday which will also be I he ARRL Oklahoma Stale Convention, at the Lincoln Plaaa Conversion Corner. Doors open at a AM Saturday and Sunday and at 7 PM on Friday Admission is S3 advance. S10 at the door Flea Market tables are 7 in advance, at the door Banquet tickers are 50 bO Scholarship fund Itch eta are 2 each or 3 for 5 VE Exams Talk-in on 147.03* and 44- 20*. (PL is 141.3 Send registration to CORA PO Box...

Augs

BERRYViLLE VA Tne 40th annuaf Winchester Hamtnst. sponsored by trie Shenandoah Valley ARC wJ be held at the Cfa e County Run an Ffijrg rounds Rte 7 ron-. 7 AM-3 PM Gale admissKin s chrt-dren under 13 and spouses free Advance admission is S-s wiin SASE before July TS Taitgaters and limited tables S7 VE Exam at 9 AM n Coolr, Element ray School, across Irom Fairgrounds Tata- in on 146 22t 92 and 1 'IS.52 simple* For further info conlacl WSf ror Johnson WA4HVU, ar 703)667 U74 or wni SLMtfC, PQ &...

August

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Automatic Identifiers

Up to EPROM programmed messages Adjustable audio, speed & mterval nmer * 1 ID over voice inhibit Low power option Modular design Message selection via canary input TTL levels Size 21 x 6 x 0 7 The ID-2B provides required station identification without troublesome diode programming. The ID over voice inhibit circuitry allows tor courteous operation by not allowing an ID untii the next squelch dosing. ID-2B Wired Tested 99,95 ID-2B-LP Low Power 109.95

Balltrak

PTT time-out 82 circuits, switching 8A Digi-Key +. t , , 56 + CBCiiy Internationa . 22 80 Cellular Security Group 71 4 Commpute Corporation 61 99 Communication Concepts. 306 Creative Control Products 55 Engineering Consuming 60 372 G & G Electronics 42 70 Genwest 27 Ham Center 53 269 Hustler. Inc 40 ICOM America CV2 77 Jnterflex Systems 39

Baluns

Lnborilonr Ooval& pad SupOi ItiF ConslrucMon Untqualtd Spec trie Jtloni l modal I lot (varr application f & 1-2K 2KW'Cui anl (l I MtlS.55 t.5K < 1 LOhP-lou 1.SKW WHOM 7.95 VI *K 1 1 4KW 'Ciiirtnr balur 12S 95 0a 2KX+A Pwhop Cun nf 6010M 35-95 -REEpg DlSCOU TCataiog E erythma for ntertnas Alto iorhulk-fatedeiivery.Send S2 rof T5T ma l Mention Th aa *ot 33ie prtc *. ADD SHtPPiNG VISA & MC welcome Give cara * exp daie stgnatufe COD ad 13 30 - Stripping Virginia R derns d 4 5 - saies ta*...

Baylin Publications

HhTVRO System Analysis and Antenna Aiming Computer Programs for Satellite Technicians by Greg Grissom from Baylin Publications, is a software program for IBM and compatible computers. It can be instrumental in TVRO system analysis and antenna aiming. This toot for des> gn-mg and instating TVROs is tailored for satellite professionals, dealers, and technically-oriented TVRO owners. II can also be used in sales presentations to demonstrate how changing parameters, such as dish size or LNB noise...

Bilal Company

137 Manchester Drive Fiorissam, Colorado 80816 (719)607 0650 C.L Houghton W86IGP San Diego Microwave Group 6345 Badger Lake San Diego OA 92 J19 The Southwest Division ARRL Convention is being held in San Diego this month at the Town and Country Convention Center m Mission Valley This is about ten miles from my home and I plan to be there for ail activus. Plans include presentations by Ed Munn W60YJ, Introduction and Overview Gordon West WB6NOA, VHF UHF DXingM Bill Burns WA6QYR. Moun-taintopping...

Bn

DRAKE TR-3 wtpwr SuppJ> manuals and hand mike Also Hustler 6 BTV verticat AJMor S300 or sell individually KF7LX, Todd (206) 856-5520 or 89 90 callbook BN 944 equipment lor Russian amateur emergency radio service tax deductible Dave Lar sen KK4WW PO Box 341. Floyd VA 24091 703) 763-3311 382-4458 BNB945 software and hardware Frue catalog Dynamic Electrones, PQB 896 Hattgefle Al 35640 -205)773-2756 0NB946 CO Model 377.'audio signal generator also Kenwood's TS-18D9 digital and TR-900G WWI pay...

Bnb

HAM RADIO REPAIR CENTER. quaMy work manship Solid state or tube, all mattes and modois Also repair HF mpliffe s A-Z Electronic Repa-' 3B East Indian School Rd Phoents AZ 85018 (602)956-3024 BNB874 Send postage siamp lor list. Jim Brady W.4.1D50, 3037 Audrf- U Gailoma NC 26054 BNB690 SURPLUS CATALOG 72 page* 52 Surplus PO Box 276, AiburgVT 06440 BNB89> WANTED BUY & SELL All types of Eleciron Tubes Call toll free 1 < 800) 421-9397 or 1 1612) 429-9397 C & N Eiectronjcs Harold Oram sled...

Bp

One NewtTOrtits Place Mineral W lts Texas 76067 (017) 325-1386 For the Latest in Repeater Technology 10 40 Watt Units 2M, 220, 440 MHz Super Sensitive Selective Receivers Unusually Good Repeat Audio Proven Performance throughout the Worfdr SCR-1000A 2M or 220 REPEATER W 150 WT. 2M Amp & 30A POWER SUPPLY, (All items available separately) Call or write today for details and prices Get your order in A.SAP. Sold Factory Direct or through Export Sales Reps. only. For that new Machine Spectrum...

Brazil

Carlos Vienna Cameiro PY1CC Ruei Afonso Pena 49 70J-TUUCA 20270 R> o de JaneffQ-JU Bfazt PQ2 Tocantins A New Brazilian Stale Due lo its continental dimensions, geographical characteristics, economic and political interests, and national needs, Brazil now and I hen creates new slates by means of strategic divisions of its territory, to enhance deSired development m some not-so-developed areas Tocantms State ihe latest state created. ihe result > -J nie political and geographic division of...

Buckmaster Publishing

Mineral, Virginia 23177 703 894-5777 800 262-5626 Older 5ol*i P w r S cffl Design Psct S 5.95 p v- UiV Older 5ol*i P w r S cffl Design Psct S 5.95 p v- UiV jOE. PL R Kthlity TbrcJ mudttks pfovids faibalc povv er rot tepe reft, n- m . rest j-11. n d ct Sl ttul k h n kHurJi, Modular lUigiflcr anonjndedir torszV- TT Ti UifiO- S iat Ini k S ICO & m3 K2 PTVM.OUTJ 4605

Buy With Confidence

Te gifl i fmtlt I drnthrm ry from C 7 of any scan ner. sen d or priorie your order directly 10 Our Scanner D fnbution Center Michigan residenrs please add saJes (a* ot supply your tax ID, number Written purchase orders aro accepted Irom approved governmenl agencies and mosi well rated hrms at a iQ'Vsurcharge lor net 10 billing All sales are subjeCT to avaiiabiiCy. acceptance and t-enJication On all credit card orders, the ship to address musi exactly match the credit ca'd bhJlmg address im he...

Cat Automatic Control Operator

* Control Authorization RS-232 Computer Interface Breathe new life into yourJ'old repeater controller. Add the CAT-100 to your existing system, and realize the features of controllers costing thousands more. t c t , COMPUTER AUTOMATION TECHNOLOGY INC. pL l sSi 3509 A limited suppfy of Uniden SCO's with RFT ON OFF. Repeater splits, sub audible tone, mike and power cable, 1 year manufacturer's parts and labor warranty. Also Available Complete line of Uniden prolessionaJ Two-Way products at...

Cercle On Reader Service Card

THEY'LL THINK THEY'RE JLLST HAVING FUN cumutete facsimile reception system r the IBM VC or Compatible. Receives 0 Pa e Manual Tutorial Cassette Interpretation Guide up lo 16 intensity levels* I Deludes Print un Epson, or HP LnstT iet Disk Save, Zooming. linage processing t natlfiided Image Capture and much more Designed to receive images directly from U.S. and Soviet meteorological satellites. I eludes h M of I he above feature plus B complete orbital tracking vytem und resolution of up to 256...

Circle A Header Service Card

DO DX ON 10 WITH THE RCI 950 FROM AXM INC T RCl'2950 s all yOu O exiwcl in a tap-aM'ie-l-rv- ama-leur radno iransceiv< n and more3 *FuW Band Coverage All Mode Op raii n-mctudjng FM Biiftt in UAL VF 1 Programma t.'lr Me Clones CAP WAflScdpa te Br hi Id sot ut andmucii Tinjcfi mofe MSP Pnce S449 00 AXM InlroduCtory Price 5279.95 MSP Pnce S449 00 AXM InlroduCtory Price 5279.95 Stti4ng fhf radi amateur who nerds morr rhtm au amateur radio. 11T9I Loara Strwt. Surte B Gorden Gros e. C UfnrTi a...

Circle Dn Eaoer Service Caro

Elevate the status of your repeater with the RC-850 Repeater Controller, fiver heard a really groat repeater One tiiai sounds superb is fun to use And benefits its users through its wealth of interactive Features Chanc es are, it's controlled by an ACC RC-850 Repeater Controller. Because more discriminating repeater owners choose ACC controllers for their systems than any other. And the 850 leads the industry in performance. The 850 is extensively programmable, using interactive Touch Tone...

Circle I On Reader Service Card

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Circle On Re Ader Service Card

OS Lot the Month To eninryour OSL. ma i hi in an envelope k) 7 t WGE Center. Fores Road, Hancock. NH 03449. AUn OSL of the Monlh. Winners receive a. one-year Subscription (or extension to 73 Entries not in envebpes cannoi bo accept& d OS Lot the Month To eninryour OSL. ma i hi in an envelope k) 7 t WGE Center. Fores Road, Hancock. NH 03449. AUn OSL of the Monlh. Winners receive a. one-year Subscription (or extension to 73 Entries not in envebpes cannoi bo accept& d scribers to 73. the...

Circle On Reader Seance Caro

UAI-10 AND UAI-20 UNIVERSAL REPEATER LINK AUDIO INTERFACE Delarled application manual Low power operation, 19ma I2v CTCSS decode on the UAf iO onr* Assembie< Jr tested one year warranty Link monp Qr-mix moni1or mute conirol Adjustable repealer link OTMF audio autpuls Labte DTMF mule on rep ateF and link audio Repealer, Jink, aumbry and contrcrf audio rnputs Delarled application manual Low power operation, 19ma I2v CTCSS decode on the UAf iO onr* Assembie< Jr tested one year warranty Link...

Circle On Reader Service Card

Qroville CA Your magazine < s no w and has always been the besi annates magazine because it has always had good construction projects in the pasl there were priceless projects that are now lost Mime Keep uf the construction projects because ihey help the availability of parts by creating a Demand (I am not a dealer but I do build a Jot of projects lhat 1 pass on a cosi o locat hams If your edilors would look back into those ola issues ihey would find much that is still appii caoie...

Circle On Rfader Service Card

IT'S A SNAP WITH GGTE MORSE TUTOR, THE CHOICE OF THOUSANDS OF HAMS & PROSPECTIVE HAMS, PRAISED IN OST. 73 AND WORLD RADIO LEARN IN JUST 12 EASV LESSONS FEATUFtESOF rms UJSUQUE PACKAGE INCLUDE Corfe -speeds om i to over TOO WfM MSt& ndanl Of Fii'nswgnh njrtei Over a billion random conversations NLeiigr , nurrtbers punctuation n pro signs Random chaMtiers & words lor nkcft It sson Display lexi while listening or aliar copying Alf p r mete'S between iewions Par ameisrs eegrty changed...

Circle X On Reader Service Card

A Complete Dig ital Reception System PC SWL contains the hardware, software instructions and frequency lists needed to alfow you to receive a vast variety of digital broadcasts transmitted over shortwave radio with dny IBM PC or Compatible computer. The product consists of Demodulator Digital Signal Processing Software 80 Page Tutorial Reference Manual World Press Frequency List Tutorial Audio Cassette with Sampled PC SWL automaticatly decodes Morse code. Radio Teletype, FEC (forward Error...

Coach

MORSE COACH* A complete (eachfng and testing program tor learning the Morse code in a cartridge 8524 DAKOTA DRIVE, GAITHERSBURG. MD 20877 1 0001 or Putfic Donitn Am*teur R*0io Progrimi ind Dita 1 0001 or Putfic Donitn Am*teur R*0io Progrimi ind Dita vmta' ftrthim '.innipii .j 'pa-nnHiJ fh 3, ci H - Uinvfit Yirgin 2U7 703 M-STT7 Afrt) 702-S42a fh 3, ci H - Uinvfit Yirgin 2U7 703 M-STT7 Afrt) 702-S42a TNT is No T ine or 60 4ft 2a 17,12 & 10. TNTt2 is N > tune on ifi, 10. W rt oThcr h fld w...

Code Tapes

R 'rrr r n i i< ,'fr Ii i iftr rij i-l i .ytf h feu fm-h.t H ftf n lkflhr il f iO l flipJr t ' i rn J' tli ir i i ir ff Nm With ihr > l i> r i ruxtrH indt fnUfitr rn ofthiMiaul* > t'htnn' imtf V . jrn fUr- > irr try ihn j-j ' v thorii i4 h - it i fa*iart-ptth Mf r -ptrn'c a -Lr ifi it- jpfc Ar vtc trU-IrW i v jnf fm .km inrrr Wi k -re ri-ri Us k-aJ thr SlutlfT Prr t ir hriW tlkf (Pitt up rilHirV IV'WI filiiifh'' *frm JjCifH mdprf yruf (jtnrml fi L i ntiimf V rhr h j - k Brtiiker 'iHtf...

Com

Connfldor I.SGMi in, I 5 MHj gut THE COWMUNfCATIONS SERVICE MONITOft THAT WORKS HARDER FOR LESS. Introducing COM 3., the rtew service monitor designed by service fechrncransfoj ervtce idchniciiins it .vorks hanJei for less giving you advanced testing capabiWies 3t a very affordable pr ice FEATURES * EJ> rectermy keyuoar-i wdti peoflfflmmable memory Audio i iransm-tter tfequeiCy counter LED bar graph frequency erTordeviation dispfa * D. 1-10 OOO v output 'evsis * High receive sen itrvtly. less...

Commodore Haw Programs

8 dish stdes ovt r 200 Ham programr, 516.95 sramp gets unusual software catalog ot Utilities, Games, Aduir ,mo British Disks Horm-Spun Sofiware. Bo> t 1064-BB, E& lero FL 33928. BNB917 BATTER* PACK REBUfLDlNG. Do ten it Marl A for f AST PROFESSIONAL RE-BLffLDiNG Sahsiaction gu 'anTeed1 ICOM BP2 BP3 19 95, BP5 S25 95, BP7.-BP8, BP70 S32.95 KENWOOD P821 15.95, PB21H 521 95, PS2S 26H 2S 24 95 YAESU FNS9 S19.95. FNBtO 23.95, FNB4 4A S36 9& , Ten-Tec 52J 95. lU-DOaT INSERTS ICOM BP3 16 95,...

Compare These Features

Toll restrict 1st and 2nd digit restrict, prefix lockout and digit counting 1-5 digit connect disconnect code 2-5 digit secret toll override code User programmable CW ID Remote hook flash Auto disconnect on dialtone busy signals Telephone remote base Remote controlled relay (relay optional) Lightning protected Call or write today for your FREE brochure. 23731 Madison St. Torrance, CA 90505 Phone (213) 373-6803 AMATEUR ELECTRONIC SUPPLY v- *a V, V* v Oh- CW- o FL. C'Qat- Las OuNV * BARRY...

Connectorsmade In

HE 720 Typo N plug for Betderl 9913 NE723 Type N jack fof B*fcf*n 991& UGC273 BNC-FL259 Adapter Amphenol PL 53AA Amphenol PL259 PL259TS PL259 ( Jton ins sitvw piated________________ H 59 L J J J - a LI J L I. J PL258AM Attrphenol female-female if arret I UG175 UG176 reducer tor R05 9 (Specify). UG210S N plug tor RG 213*214 Sf ver UG83B N jack to PL23 adapter, teflon J UGUGA S0239 to N plug adapter, teflon UG255 S0239 to 8NC ptug adapter. Amphenoi S0239AM UHF chassts mt receptacle,Amphenoi...

Corporate Headquarters

COM Am (nc 2380-11 Ave HE, Befltvue WA960C4 Cuttorn Soviet Hcttftn* (206)454-7619 3150 Prentor D-ive Suite 126. Irving, TX 75063 1777 Phoenix Partway, Suite 201. Mam . GA 30349 .3071 *5 Fbaa, Unil FlichnQnd. BC V6X 2T4 Canada 360-116th Ave. N.E Bdevue, YYA 98tXW A* siawj specificaiiona m uubjeci to mange wflhoui nolwe v cehgatcfi M ICOM fttlta tffflcrtfy M hphJ FCC rBgufctfions +mrllnQ spumous (msskFH 97U1BC Fwrti brochure m thiswanyotk r ICOM product mti our l-fm Likwin fcqml Hotlm...

Cyberresearch

CyberResearch has released a new, enlarged edition of PC Systems Handbook for Scientists and Engineers. This new calalog (Volume 7, Number 1. Spring 1990) contains many new products for PC-based data acquisition and instrumentation control. CyberResearch has assembled a large selection of compatible products, saving users the many hours of research required to find products that will work together, Detailed applications diagrams of several data acquisition and control systems provide helpful...

Departments

17 Feedbacktndex 82 Ham Help 17 Ham Profites 44 Hamsats 2 Letters 66 Looking West 4 Never Say Die 68 Notes from the ELK 76 Packet Talk 86 Propagation 78 QRP 7 QRX 42 RTTY Loop 59 73 international 62 Special Events 86 Uncle Wayne s FEEDBACK FEEDBACK It's like hcin there ri hi here in our LifFkesl How Iun'i lihkf advantage of our R EDBACK carcl 1 in pfijic 17 Vnhj II notice .l feedhac I. number at the begiMimf nl each vtkkundcolumn. We J like < HJ u> rnt fchaiyou fcjj mi tlui v*c inn print...

Dnbme

WOfl is Indte Woridt a monthly publication which reaches about Sr000 independent record companies It helps them keep up with recording techniques and digital technology ft helps ihem with marketing and industry information. W09 is Creative Music Marketing, a new dislribulion system for indie music. CMM will be getting started in 1991 with a completely new approach to dis-tribuiing music. Participating retailers will set up Indie Musk Boutiques and will be able lo make five times the normal...

Drt

While ARM mode is active, scanning stops at vacant channels and pauses, then starts again automatically, This function is useful to find vacant repeaters, ABX (Automatic Band Exchange) Function Selectable 2 different brightness of LCD light F0 Priority, Memory Priority and Call Priority. The DR-SW can be used as a cross band Full Duplex Cross band Operation Others 1. Auto Dialer Function I 6 Channe Steps (5 10 115 15 20 25 Khz) 4. 38 Sub-Audible Tones built-in

Engineering Consulting

BREA.CA. 9262 T TELEPHONE 714-671 2009 FAX 714-25S-99 4 MsslerCerrt.VlSA.Ojsc AMERICAN EXPRESS 'add 54 00 S H U S A. +Ca. residents add 6 'Records 32 or 64 Sec. studio quality audio 'Use tor 11 u 1 CO, ID tail. Mailbox, Local or Ionic control Up to T6 selectable mossa s includes i Wait audio amp 1 Nteg RAM Mlt & Spkr J cks. vol. controJ Rvq. 9 lo 12Vi Inlorlaces to Ultra Com Shack 64 Vflr 0.0 Provides Digital Voice CQ, ID tail. Mai loo*, 5oiletins

Every Issue

The entire run of 73 from October, I960 through last year is available. You can have access to the treasures of 73 without several hundred pounds of bulky back issues. Our 24x f iche have 98 pages each and will fit in a card trie on your desk We offer a battery operated hand held viewer for 75, and a desk model for 220. Libraries have these readers. The collection of over 600 microfiche, is available as an entire set (no partial seis) for S250 plus 5 for shipping USA) Annual updates available...

Expandable Repeater System

Call or write for our free 4-page brochure on Digital Signal Processing and the DSP-12. A NEW CONCEPT IN REPEATER DESIGN, THE Hi Pro E IS AN EXPANDABLE REPEATER WITH THE FOLLOWING FEATURES A BASIC REPEAlER WHFCH WOULD INCLUDE A COMPLETE RECEIVER. TRANSMIT I ERr CORr FRONT PANM CONTROlS AND INDICATORS, LOCAL SPEAKER AND M C JACK AND CAPABLE OF FUTURE EXPANSION, ALL HOUSED IN AN EXTREMELY RUGGED. ENCLOSED. 19 INCH RACK MOUNT AiiLE CABINET *TH(S SYSTI M CAN Bt EXPANDED AT TIME OF PURCHA5F ORGAN Bf...

Fax

COMMERC1 & AMATEl K BANDS NONE INTT -'Jfarn Fqncfoon LCDdaplay - Fi juen R a ge 138- 74 Of fcteal tor WARS, Ei - E se' RPL eic fmly F o Programmai 99 cnanne True 40 Wall Power E xi remety Rugged -'Jfarn Fqncfoon LCDdaplay - Fi juen R a ge 138- 74 Of FCC 4 DOC type accept * Low Cost DTMF rruka avail. < Overnight Shipping Available * SN pped Comptete w MIk c. Mob> le SI fr Mi uni 4 Power Cabli Bise Stanon P S moble tatemas etc m Sloe*

Features

Receiving on both bands at the .same time Standing intermix scan model on both hands at I he same time. Independent VHF & UHF Controls With the optional remoting kit, the front panel can be seperated from the main unit DSQ CDTMF Squelch) Function You can program a 3 digit code that will open the squelch only when the same code signal is receive from another transceiver. This allows for selective receiving. Additionally. with the optional tone squelch unit, the code squelch and tone squelch...

Fm

For Ouifl tn ao inahonj C nqQDv jQefkmEnta- in,il Full fadgad wpar hfttrodyne rwelvf microvoll sensinvlly. eitfmjijowErsox, t op rjirfXion Liidard FMi'r ai- itJfWJ wcila Jargtportois ort eaci Ude.D mpad squjiei ' rb-L-grlultn-Hone- r ptioti l-Fl A lupETttqftpefbrmanir f-W rreie rTiiN-i kill i imr 5aMPi iifl signai up fi 300 yarC. with K apTiosal iiudit-quaiilv M '-i-ans t-.K - ill -n kanria e KII tcha*. Mmna bau , t i*- ' t'L-i'.ais rait jJ ine rimesi um nrlablv f - ai micr wavf dippiar sanaif...

Frequency Counters

R i msey i lflctron c5 h a j bet n i ariuiLiLluo ng tTeclfo ni< te si gti- Tcr ovlr ID yiar5 iis recoflfi 11 ed tar us tao quauiy pioducls at & teak-thmiUhpNcei AH gi crjcsvnbnurryatotonr yrarwj'i.ci-iv un pa'li j bo iflr-E tik t Qr al pnda n t j-g 1 h> t ijr si njf -fcjrw o* kw IMMW aniie USA Compart speotCJtW* i> .r tiL i' jr tapurtd tvn and ro u i- *.ri FCF11 jn nHK X 1 ' nvt ititp-- 11ii> f> a i Aj -ih -gn ,b.j iryiMiTii4j5 plated-mru PC Snard'eaBsr.-uciiDT WmttQire TOS....

Ft

IC-735 HF acvr SW rcvr mic i 149.00 969 PS 55 External power supply 219.00 199 AT-150 Automatic antenna lunei 445.00 389 FL-32A 500 H CW filter 69.00 EJC-243 Elecirofijc keyer unit 64.50 UT-30 Tone encoder 18 50 iC-725 HF Jtcvr SW rcvr tSpr h 949.00 799 AK-3 Automatic ant tuner - 489.00 379 IC-726 lU-tomd xcvr 6m .5-30MHz n 1299.00 1129 Accessories Regular SALE JC-2KL HFsoiid state amp w ps 1999.00 1699 JC-4KL HF IK,7 out s s amp w ps 699500 5995 EX-627 HF auto ant selector ( p*mf) 315.00 269...

Gain

Coax comes alive II, the next generation. This rugged antenna. an omnidirectional coll near, is capable of surviving harsh environments, li s a lkxkJ choice ior repeater installations and it can he easiK top-or side-mounted to the lower. You can obtain approximately 3 10 dti gain over a dipole, depending on the number of elements you use. I he higher the gain, the narrower the eleva-lion pattern Bandwidth is normally 10 MHz on the 7i)cnj band and 25 MH on 23cm, making the antenna an excellent...

Ground Plane Antenmas

CK-MOMOVJSA Accepted MA add 5 sa es a*) Send payment to CelluFar Security Group, 4 Gerring Rd Gloucester, MA 01930 Or charge by phone (508) 281 B892 Hotonda Hkani45wafl. Froq 132 50 MHz Grader MOnh each. witn acce& sanes J cv 2 F Scart Accessorv Group . Si 5 h G ZxkH 130-155 MHz, 40watt DrrmarUrmOnlv. SFQeach,with 2 F Scan Accessories, Si 25 each GE c H, 4 2-5G MHz. 50 *atL Dranf UtttOnlv 585 eact> . with accessor jDup Sl25satf CAixon ffnrn fOfl curpewt FITE& all s les cftsh i.im...

Grv

- Fui-SiEi vi mil lAHnKti ni iti r tu ri a o iultiri ' EvflT ttint iBL'li J * Fiiiiy I*juLI(*J. r, -J. n f Juiir rtint All Hind* IneI W RC Ba.U V4ar oh n r-'1 cn ten le h Oi d* r T< .hNoM H24-C Ji. fl FpJ USA tcni (101-3 5-l* S ro' T cIl ' Full Suc G E V Stey* Jiiifi HiJiScGSKV i il J 10 Di i ' Full Suc G E V Stey* Jiiifi HiJiScGSKV i il J 10 Di i Mw,-oc Uir CTltri i '-ft . C1,fit IS,

Ham

The sunspot cycle is peaking and 10 meter propagation is at its height allowing you WORLD WIOE communication from your vehicie.Tocapture this phenomenon American Antenna, manufacturer of the world famous K40 Antenna presents Ihe HAM 10. Guaranteed to outperform any competitor or YOUfl MONEY BACK Handles maximum power limits from novice to extra optimum performance Stainless steel whip and base Comes assembled and tuned with an adjustable trunk lip mount

Hardline

FXA12 1 2' Aluminum Black Jack*t 89 ft FLCJ2 1 2 Cable wsve corr. copper Nk ktjht T 69 ft FL C7S 7 8 Cat te wave corr. copper blk jkt* 4 .25 ft NMi CC N conn 1 T con copper m 1 ,2500 WM73CC N conn & corr cooper m T 54.00 1180 BELDEN 9913 very tow loss - ,55 1102 RGS U 95 shield low lots foam 11ga 36 1110 RG8X 95 shield (mini 8) 17 1130 RG213 U 95* shield mil spec NCV fkt 39 1740 F9G214 U dbl sjhnr shfd mil spec- 1 85 1705 RG142& V dbt JiW shk > lelhn ins r 1310 RG217AJ 50 ohm 5000 *swtt...

High Performance Preselectorpreamp

The solution to most interference, intermod, and desense problems in repeater systems. 40 to 1000 Mhz luned to your frequency *5 large helical resonators Very high rejection Low noise high overload resistance gam ultimate rejection > 80db *GaAs -Bt option (above 200 Mh*) Cast aluminum enclosure rypfca re ecfion *N. BNC, and S0239 connector options t 1.6 M hi 220 Mhz 40db ( 4db GaAs) 20 Mhz 800 Mhz 65db 1 5 Mhz fa 450 Mhz 50db(60db GaAs) 20 Mhz 950 Mhz 70db

Hrt

ART-1 A complete interface system for send and receive on C W. RTTY (Baudot & ASCII) and AM TOR. Pof use with Ihe Commodore 64 128 computer Operating program on dis* included air-1 a compl t interface syaiem for send and receive onCW, RTTY (Baudot & ASCII) and AMTQR. Id* use *ilh Commodore ViC-20 Operaling program in ROW ART-1 A complete interface system for send and receive on C W. RTTY (Baudot & ASCII) and AM TOR. Pof use with Ihe Commodore 64 128 computer Operating program on dis*...

Amq

Video frequency response of the F apparent. Curiously. as the photos show, sync level is only 35 IRE units. This small amount of compression was not in the test gear, so we can only assume it was being reduced from the normal 40 units in the transmitter. This is surprising because the linearity of the rig was excellent (only 4 different gam). Adjustment of the depth of modulation and linearity pols in the modulator did not seem to help. f HEi 3D -i OIV Lr Cisni ., -a . r*Lt ai...

Icow Ic

Shi. ' Otf Kenwood il'i ' Icom lC-761 229.90 Over 9034 Mjin imm m Sick> riii Price Casii F Ofi Pri'iiQn Mine Specials in HAM ADS Looking 'or Something not I lated Call t> i Wilt* HO 5 5 DISTRIBUTING COMPANT lit S. Sta r S1FHI Prrtimv id fliZGi 1 Hsphone fl S . -Ofl Horn lt ,-Frt. 9- WdMltfi Closed & t 4 Sun

Info

First flight of the ATV package* Figure . Line-of-sight range vs. altitude. 30 73 Amateur Radio * August. t990 able to watch the ATV signal, and lhe 50 milliwatt, 2 meter signal was heard out to a distance of 40(1 miles. Subsequent flights have operated for the complete duration and confirmed the theoretical range limits he highest altitude achieved so far was over 133.000 feet from a balloon launched from the Neil Armstrong Air Space Museum (Wapakoneta, Ohio) las summer. Signals f rom...

Ipa

TfflSwiithing available . 'I 13.8 VDC Lo* Moist Preamps & prearnp - ils- 22 902. 1296 1691 230* 2401 3d56MHi 5 7 and 10 GHi pismp GflSNF T296WH 3.8V S 90 13JM pr amp rdO F 2300-2*00 UH ij Si JO TW LNAVYP preamp TdG M 091 '-.HZ mast nmwW 13 BV l -ig 4D17LNAK preamp kil 40frl7MMHz GdB 40 Pria ma *ir& lor 2304-10 G Hz Write Or Call CALL OR WRITE FOR MQAE INFORMATION TfflSwiithing available . 'I 13.8 VDC Lo* Moist Preamps & prearnp - ils- 22 902. 1296 1691 230* 2401 3d56MHi 5 7 and 10 GHi...

Israel

Hon Gang 4X1MH KtOQute Unm Negev MPO 85530 i& raei Fot the last 43 years since our country gained its independence, relations wilh our neighboring countries have been somewhat less than friendly. 10 say the east This has been reflected by the general prohibiiion of ama teur radio conlacts with those coun-Ines not having signed a peace treaty with Israel DXers going after a covered spot m the DXCC honor roll have resorted to a f kinds Of devious means TO secure GSLs at the risk of losing...

Xzf

HW06 Gga insulated stranded wire 35 ft AW 14 I4ga stranded Antenne wire CCS 14 ft All price plus Ehippin , DO mm. Visa Mastercard 530 min. COD add 3.00 C*4ot wnt*tcf orp' tt ' na' n JOpape CAGL COMECTCW S lECTKWQiffOEit v rftarge mihoniefsatSSOof mors or f m aostafS4 mtfttmdriaga isineiacfua mts NEMAL Kl.ECTKOSlCS. INC. 12240 NE 14lh Ave. N. Mian , FL 33161 (305) 893-3924 Te) x < 975377 24hr FAX (305)895-8178

K

Send 3.00 for our current catalog and wholesale sheet J Thought you oulWn afford reai y good QSLs7 These cards wjIJ change your mino1 High Quai tv flAI5E0.3fllNTEQ QSL CARDS can be in your hands for only 4c EACH Beautiful Glossy Jnk on Ivory. 3Jue. Gray or Yeflow 57 fc Vellum Bi sto' We prmt in blue ink rn itie format Shown, If you don t want ihe state outline, we car remove it. and enlarge the callsfgn to balance out the card. MO EXTRA CHARGE for ARRL, QCWA, AMSAT logos or additional wording...

Linear Amplifiers

Mrs SO 'i UM ra AVtk ifffw I SJ. 3 AMTT t MW I tJ.7 tW I SU l ARJ13 30 VH HD 00 t a * JUVr i 3 lo E& IQ* feS tt I 4*1 11 AR3 & MW llij.n HEW IK WftTT J-SO < yiHi Amplify AMATEUR TCLEVIsmH CQWVERTER5 POWER SPUTTERS .rtd COMBINER'S ATVJ *an- ., TTtnras Kit I- O H ATVJ Witi PEPJ-Pdri S fcfl.US ATV* DZ-0TI jCfeAS-FET I SB 55 Kit 1000 Walt PEP 2-Part 1 .99 H I M 91 KU j Q WATT 430-4

Lmct

Microwave Modules iransverter . 64 Mirage D2a amplifier 28, 51 Motorola Freeware BBS 56 Motorola MC 14538 82 * Kenwood U.S.A. Corporation CV4h5h6* 25 Madtson Electronic Supply . 53 * Maggnore Electronics Lab 77 348 Micro Computer Concepts 81 295 Micro Control Specialities 45

Low Prices

US A H at 11 25 PL-249 SU v*rTat USA St 2S of 125*25 PL 253 GOLDTTal USA. H Of tM 2S N UG 2l)f*fHl> tt*6 tt U-2S UG 2i5c r1 Ht DN WUHF )1 79 j toi if Jfl* upfl A rota tort 5M RG SX non cortt mjntling RGflX pi iTtiuir I4t l RG 213 Mil- lyp* 31C

Mew York

Western New York s finest imateur radio dealer featuring ICQ M uirsen-AEA-H a m Iron tes-Astron New and used gear, a am to j 30. Sai and Sun by appoimnnent VHF COMMUNICATIONS. 280 TiMany Ave , Jamestown NY 14701, 716) 6646345, Circle Reader Service number for more mior mation Wanhaiian's largest and only ham and business Rrtdio Store Featuring MOTOROLA, ICOM KENWOOD. YAESU. AEA SONY BIRD TEN TEC, etc Futl stock oi radtcw and accessories Repair lab on premises Open 7 days M-F 9- 30 pm. Sal 4 Sun...

Mfj

The MFJ-948 is a 300 watt antenna tuner That tunes out SWR for maximum power transfer to verticals, dipoles, inverted Vees, beams, quads, mobile whips fed by coax, balanced lines or single wire virtually any HF antenna. It covers 1.8 to 30 MHz and Is made in the U.S.A. This deluxe antenna tuner features MFJ's lighted peak reading cross-needle SWR wattmeter with an on off switch for the meter lamp. If will show you SWRh forward and reflected power at a single glance, it also reads average power...

Mfj Enterprises

State, MS 39762 16DH323-5869 FAX 60i 323-5551 TELEX 53 45 MFJ STKV One year unconditional guarantee 30 day money back guarantee (less s h) on orders trom MFJ - Add 5 00 eacn s h * FREE catalog MFJ . . . making quality affordable MFJ-557 Deluxe Code Practice Oscillator has a Morse key and oscillator unit mounted together on a heavy steel base so it stays put on your table. Portable because it runs on a 9-vott battery (not included) or an AC adapter ( 12 95 that plugs into a jack...

Microwave Antennas

Power Dividers Slacking Frames. OcmpJet Array pf 910 1269 1296 t691 304, 2 t 2*56 WH ForTnopo, EME. Weak Signal OSCAR, A TV, Repeaters. WEF AX, Commercial point to point. AvaifaDfe in 3333LW 33ei loop Vagj Kil 902 M H Tfl.5dBi SfiSOO 23- SLVK fc loop 'ay Kt 1296MH & S9O0 45ef loop Yag 21 3B S 900 44el loop rag 2TP& SP9 235SLVX 55ef Superiooper KjI 1296 WHi 22 S99 00 IS1 LVK 45el loop Vagi. Kit 2304MHz 21 < 0, 575 00 945LYK 45el l opYagiKi 3456 MHz 21 o0i S75.0 Othdf models...

Mv

The scope photos show the wave form being conducted by ribbon between shielded circuit and keyboard within a computer, in both time ifig. 1) and frequency (fig. 2) domain. The Spectrum Probe is placed directly on the line and has no effect on the waveform because of the low capacity input. Clock and waveform harmonics are low but unnecessary spurious is radiated by this lead up to about 70MHz. Fig. 3 shows the waveform being connected to the outside world (read radiated) by a rear pane*...

N

Models also avaJiabie without GaAs FET preamp (delete G suffix on model AJf units cover full amateur band - specify 10 MHz bandwidth for 420-450 MHz ampler. Con* jrcuous duly repeater amps so available Amplifier capabilities 100-200 MHz, 22S400 MHz. 1-2 GHz. Military (20V) Commerciaf, etc. aiso availabfe - consul factory strong at 25.4 dB below carrier. Several other minor out-of-band spurs were noted, but these were all more than 50 d8 down At startup, the visual frequency was 434.04 MHz....

Nature

Gloria A Gathering of Choral Mastenworfcs Gary Bonner conducts the Conceiran Ensemble of London. Msunce Durufte's 'Sanctus. Mozart's Laudato Dominum Hoist s Psatm 148 and Samuel Barber's Lamb of God Sir Charles Mac*arras and me Prague C ambe- Orchestra Symphonies No 19 in E-tiat Map K 132. Uo 20 mD Major K 133 No 21 m A Major, K 134 No 22 in C Major, K 162 and No 23 in D Major. K. 101 (162b) Over 70 mun tes of e greatest songs ot Ihe 5 S and 60s L y Ihe original anists. Most of ihese recordhngs...

New

iC Olas comb.nes guitar df*d synthesize' on ihts bftiliantly conceived debut recording ol 101 Eizz'ne w age m stryme nlaIs Sooihfng arid relating music ihai is brilli nily conceived and masterfully produced ADD 52m B9 NUAB93QB SIB The Artful Balance Collection. Vol l Outstanding jazz instrij-ment STS Vrr> ce DeCoia. Jeremy Lubboct ind Randy Wald man. wrtti excerpts from thetr own debut solo albums AAD 33m 0G JCI72G1 1 5 Hon Elllston and Ronnie Weils For Vou, For Me. Fore vermore Eteven jaz...

Now Only

For comfitete tnfo specific atrons Cnii t813j 874 2980 To Ordst Call Toll Fret 1 -B00-223-3St 1 PacComm 3652 West Cypress Street Tampa. Florida 33607 Please send P HandiPacket More information FREE Catalog M O N IE Y BACK GUAM A N 11E Add 4 00 shipping handling per order, FL residents add 6 sates fax Major Credit Card give number, expiration and signature FAX 813-672-8696

Opto Keyers Stocked

New TEN-TEC Co'sa-r II, PARAGON OMNI V IIX Towers, Antennas. Mobile R dm mou ni s Hy-Gam Towers will be shipped direct to you FRE of shtpprng cosi New TEN-TEC Co'sa-r II, PARAGON OMNI V IIX Towers, Antennas. Mobile R dm mou ni s Hy-Gam Towers will be shipped direct to you FRE of shtpprng cosi MAIL ALL ORDERS TO BARRY ELECTRONICS CORP. 512 BROADWAY, NEW YORK CITY, NY 10012 FOUR 8L0CKS NORTH OF CANAL ST.) Maw Vhrk Pitw LARGEST STOCKING HAM DEALER nt w Turn wily 5 COMPLETE REPAIR LAB ON PREMISES

Other Radios And Accessories

BC55XLT A flearca 0 channel scanner Si 14 95 ADIOO-A Plug in wall charger for BC55XLT PS001 -A Cigarette lighter cable tar BC55XLT ST4.9S VCOOVA Carrying case lor BC55XLT .814.95 AT054-A Replacement antenna. Tor BC55XLT 14.95 BC70XLT-A Bearcat JO cnanne< srannei S159 5 BC175XLTAt Bes real 16 channel scanner 6C1 - A Bed rea t Information scanner ith CB SI 29 95 INF7-A Regency Information Radto SI 09 95 INFTO-A epAncy Information flad-o 9b IINFSO A inlormation Radio . 109.9 UC102-A Regency HF 2...

Packet Radio

CtunmwJote CW Cfl paefcit radio inftrtact Uses lamwjs German Oiflmnm sullwart Fcaiu-re El Ali (C Chipai ir.i rtkao -rum HF or vttf fonei irrtiu Knut drUtstnwjre fC > ij'i a sm swtd. eumfiahoii ja ne FM COMMUNICATIONS 2 MTR, 10 MTR ft 220 RECEIVERS Ssin ihrt sopertxi FN raiv*- runts arvy f MH j ol gnn Listen io ham DperalJonft, -.' id pole* oat. *uiw h fibber piUHcaii Lssv toteiid ntartw tts i arttnr C *e- Bacn. trim* if Qtcn and d l i M Juitiid flnfMB an) midiiiw mhii knoto pw a vt a HT H...

Pc Electronics

Brian Lloyd WB6RON 124 Churchtlf Avenue Palo Altot CA S4301 The other day I gor a telephone call from Andy Dimartini, Presidenl of Digital Radio Systems. Inc (DRSt) it seems that A ndy Iried my idea of using the V.23 mode oi ihe modem on me PC*PA and discovered that it worked better than the Bell 202 modem mode He gave me instructions on now lo switch the modem in the pc4 PA from Bell 202 10 V 23 Here are his instructions-. V.23 is selected by taking TRS (ptn five). TXRi (pin 13 and TXR2(pin...

Policies

Minimum orri - S10 tW Mastefi d VIS - ck C O D A pucCS i OB Houston e oefit as noted Pnoes subject toctiangew hoii nc*ce bTtssubfodtopnorsate Cal rFyiiiwtochockviestatiA otyourordef Tei resjdenKaddsaJtestax Al 4emsKJtac tory warranty plus M.i on warranty Bird and Belden products in stock Call today. Mew Kfinwoori iE 950 30 A meco PT 3 Pre Amp Ljir i-. on ytivs

Qcc

The Touch-Tone activated mailbox lets users leave messages for each other. The system will leave you messages if you miss a reverse patch or alarm. Paging support includes all popular tone formats so users can always be available without having to listen. Multi-band linking extends your repeater's range, lies your repeater tci others for emergency and public service activities, and lets you benefit from the elevation of your repeater site for working ail bands. Individual user codf offer secure...

Quad

1 watt audio amp 1 When il needs to be ioud Inslalls in 15 Min. Used police, final Z0 V & audio In Field Program 50.000 Codes Mom & Lalching. DPDTRslay.Wrong digit reset LED fordigit valid & laich, inc 24 Pin connector QUAD option adds tour I Amp relays 5 digit master on off control breach retav TSDQ S89,95 QUAD 99.95 HiftJ DCFS 129.95 Touchtone to RS232 300 Baud Interface Use with Decodes IG touchtones Includes Basle program 1 watt audio amp 1 When il needs to be ioud Inslalls in 15...

R

Sjank PC Boards available from FAR Courts 18n64< J Fietd courl+ Dunoee l 60110 Toroid cores b nd lertiEo beads ato availabte from Radiokit P O Go* 973-C.PelhamNH 03076 Pfiong 1603)635-2235 CryslalVt canbeoblainedlfoin KWCryslals, P OSok 506. Prague OK 74864 Phone (405) 567-2285 or JAN Cryaials, P.O. Box (5017, Fort Myors FL 33906 6017 Phono fl 13) 936140* All oiher components can be obtained Irom Circuit Specialist, P O Bo* 3047, Scottsdate AZ & 52 71-3047 Phont(SQ0 528-Kl7 Sjank PC Boards...

Radios

5* inirtJi mgdt AM CW. 558 rE & 'v*' 'J5 vHK 70 75 VHi D& rO ' nvtrM Sign u5i uj NE5CEfC i IwbirwJ nOST jnd AflfiLfiarttHHHS Ustfun1 tfv Mniilwil g,i m or iJ-l-i. in- (rf. SO m w aud io ouipul a m chn y VDC has H f j-n c un mu This ver y e a-,y tti b'.i ild i u1 fli I ill i urn) d uc. i i dii ai c i- uf It r i he n a r i ne q il jir n Then pi ottai mllCMIq) case til feature a rugged ABS plastic cas wiiti screened graphics Inc ueed 4re matnmed i t not 7 lor J ttt hnr& hE...

Rc

* Complete RX-TX-Phone Line Interface * intelligent CW ID * Auxiliary Output Easy to interlace * Remote Base Tare Reverse Patch * Tartbeeps * 12 V AC DC Operation * DTMF Decoder with Muting * Telemetry Response Tones * Programmable COS Polarities * Detailed Application Manual with schematics 90-Day Warranty

Rep Repeater

If you always thought a computer-controlled repeater had to be expensive, LOOK AGAIN You could easily spend this much just for a controller. As always, HamtronJcs strives to pive superb performance at modest cosIf In this case, a premium repeater with versatile computer control, autopatch. and many dtmf control features at less than many charge for a bare-bones repeater We don't skimp on rf modules, either Check the features on R144 Receiver, for instance. GaAs FET front-end, helical...

S

TRIDON 2000 AM 450 MHz TRANSCEIVER 319.95 TRIDON FM TRANSMITTERS 900 MHz 1200 MHz S349 95 Power output is 3W peak two tndependeni audio systems tSub-carner and On-carrier) 10 pin camera connector on badc-BNC or RCA connectors on front. SYNC Stretcher lor optimum composite video, standard crystal frequency *39 25 M Hi or 434.00 MHz powers video camera tl 0 pm connector), requires 8V OC at 600 MA plus camera power U amp) RF hghl , 'ui7Tinurr cabinet hvitti bru hec aluminum panel size. 5 2 s 5 25...

Select An Operating Mode Using The Builtin Keyboard

Private Patch V achieves a levei of sampling patch performance unobtainable in any other product. Crucial to performance is the noise squelch filter. Compare our five pole filter to the competition's two pole filter. Advanced software algorithms perform noise correlation tests which result in greater useable range than the competition. Nine selectable VOX enhancement ratios allow you to vary performance from straight sampling to highly VOX enhanced, (sampling rate decreased while the land party...

Sg

Mvw 1dm- cti i-t micrownvb ( appisr rada kit clocfcj planes boata.worses bikes baHtialh mr ah runne'SOr .iiii ly tnythif g Chat n & Opet h it GHl w-m Prtrl irhiit LEP4gi l' aatesptr hour iriiomeieri per hcu O' pr oni f*nr -j - sfcs 3 h,J ilowte sfc f Juitnl ficoltsCJMtor 4cmu< ticamcHjdcdiar* FurattH t VDC Eis t - j m crmnn ny ' K st p. ut niimcjuccidiu e i5Si i5tiCL t wnn ipfiBdy snphi foi I prolgssitinaJ tab A ry utelul an-i (uli-oMuiiKii

Shi

' rULTij.- r- Hit is Lfiuda. > j L reduced l jni n-n i iiJun> r Smiih Chjrl> , Aitten-ii4 'ijriijtin jr*J lleT irirrc t-tng imlijiifn tlO.OO I ihipeTv A en 11 y ciiu-ah, y.ijlis ijtitfLlN ftrrtSS WlFB 5 Antenna Notebook Ciel the b tt pcrfiJnmitic Ui < e .niohtruMi-L treantennas und ver k'als HueM mi tier and SV R bridges. SH,00 t iL -. -LJL CAMILW.1KV1 pro t-.iv t* w.jti er hi l eonimll d ' more p cy irartatoui dft- Be iinnin wiih I urit iniht World v,uh Horn Rihiit i-ft ibe P ut ue-.nj...

Shortwave Receiver

A I an taslic rK.iinflj ttii I ca plbf fti tho wortd w ill) i ust j Ih ' an i b i i .j1 floe ves - 11 MHi irtZMHi bands vBtfacUffiuniMl iuperh(l design wlfti AGC FiK ti, n c-on-B& i andSOmw .Luti-nouiP'-.r Uses otw SiQnelio m iter chtfp lor itisHana mitfffwoli Ww nmoniff miianr Tinttitrtrtnitiroiftint tc ocH o* dut t ofect jryj di provni hwre flffe Mfcie* K*Ki5 iifert nf cr Adf v< c cptioriji use Ira and yuu ru e a real net looking

Sow M Ssb Scvrs

3 Band QRP T2, 15, 17M (QST 10 69) S99.00 Micro 20 Hi Performance RCVR 59 45 RX Noise Many Ol her Kits Available Factory Wired Complete Ameritron. Ten-Tec Line CALL B W PT-2500A Amp 1,695.00 9& W VS 1500A Tuner S41& 00 We nowsiock R hn tow rs. dials, termmaia. chassis, ceiamjc standolfs, hardware, toroids. amp components, B& W coil 1toe Ik H e IC. Shipping Ex tra RADIOKIT * P.O* Box 973*0 Catalog 51.00 Pelham, N H 03076 (603J 635*2235 CIRCLE 4S O M READER Sift VICE CAR Pamela Dass will...

Speech Scmmiler

F> v Tf we* insu ifi pnont ET-aC hra Hjantte UUcatvrcs lulukt opfn T Li*n l vmqf nmtr-MCn Ru en t h.iUrry 0sm IIIH E 3rl0 Une or speahu ou ul myu Eas loLD nec (j (ny T.3E c 1 *e 'icnf tocrtou mmtfirfa M ySttlCD& Mc* 'Pli C i i-ia Be isrt c tciiramci- ( i-Citm uramht ii.

Super Yaesu

SUPER YAEStJ FN& -4SH. 12 volts lOOOma double tne capacitv of The Vaesu FNB -i 5 wall output Rapid charge only S71 00 SUPER YAESU FN83S. 96 volts. I200ma. triple the capacily oi the Yaesu FN& -3 3 5 wait outpu Rapid or wall charge 6500 floih are perfec lor The OG 09 and 727 series radios and are a inches high Ken woo J PB 25, Zb , 26 25.00 J com BP 3 SI& 95 Icom BP 5 (500mS2495 I com BP-7 500ma 29 50 Full line for Yaesu 411 B11 470, FNB 10 11M2 14 available Arier Sd 00 handling 1a1...

T

V 1fltl _k ' nT 1 rffll M H 1 IMni . 11-11 - - - - taidef iir t i ihufliil t n d or Fi ureS. Top section ofcol I incur 10 73 Amateur Radio August, T990 i MHz) times the velocity factor of the coaxial cable, h m> original article I used RG-213 with a velocity factor of 0.66 I now use RG-lt or CAC-ll < a solid conductor aluminum shield cable) for high power antennas and RG-6 for low power. To begin construction, remove the jacket and shield from eaeh element and slide it into hobby brass...

The First Part Of Ihe Body That Muscular Dystrophy Affects

Et's hard to smile u hen you osth the ability to walk. To plav To draw pictures. To climb tree But that' what happens when a child has muscular dystrophy. Muscular dystrophy is the name for a ftroup of diseases that weaken and destroy tho muscles The disorders are progressive, so things get worse over time. The muscle loss can't be stopped. And it can't be reversed. he Muscular Dystrophy Assignation ts stri in tu ture muscular dystrophy. And on Christinas Eve Lit 1987, MDA researchers announced...