Push On

* IF-1QA computer interface IF-232C level transiator * VS-1 voice synthesizer - TU-5 CTCSS tone unit * MC-6QA, MC-80, MC-85 deluxe desk top microphones - MC-48B t6-key DTMF. MC-43S UP DOWN mobile hand microphones * SW-200A B SWR power meters SW-20QA 1.8-150 MHz SW-200B 140-450 MHz

All Band Dipole

Ftv& iB -v or almotf iny cortwjufzncf Wbrts Witt al iransmmsrs, tanoffw ra. Pnevidss ei fflenr SWR Dn all bands TKwvefi, ifc * Cm H puape sirantod CampUfcijf txiari wwwc-HmOt GagperCW rCooprtAM& irtrrft 6 vc sarj r copper TW, btpmrtp ftCLUOES too tact ci < 5QQ Ftedne MO im. Wc F***TeombMfmned * ttrvitfcfn wjxri

Bjf

The Heathkit SB 200-220 series of linear amplifiers have been around for years now. These linears have proven to be the workhorses of many amateur stations around the world. There have not been very many modifications made to ihese amplifiers. Obviously, Heathkit designed them right the First time. The long-term dependability of the highvoltage series diodes comes im question after a review of the linearis schematic. These diodes are used in a full-wave, voltagc-doubler circun Consultation with...

Info

CODE PROGRAMS Apple C-64-t26. 37 Modes. Graphics, Lessons, Wrd-prcsi, Menus UNESCO, FOB 2018-ST Calumet Cily IL 60409, 312-8913279 BNB669 EASY CODE By the Old Master, 90 mm Learning tapeS7 60 mm. Practice tapes 55 each, any speed. Specify. Add S1S& H Write The Old Master, Box 29013r Atlanta GA 30359-0013. BNB690 101 - CODE THEORY EXAM PASSING TIPS 52 + SASE Bahr, Dept 731 2549 Temple, Pafmbay FL 32905 BNB691 CALLStGN NAME BADGES. Snazzy and Unique SASE FOR PRICE LIST BADGES. PQB. 637,...

Madison Oh

Then there's the long overdue need to stop funding three branches of the military and meld it all into one single service. With modern transportation and communications. the differences between land, sea and air are narrowing, With one service we might be able to save hundreds of billions of dollars by eliminating the vested interests in obsolete weapons. And isn't it time we changed the name of the Department of Defense to the Peace De partment Heck, it used to be the War Department. I don't...

Beam for

A tide like this usually implies thai the author has several PhD's and owns shares in the local aluminum tubing industry the reader, in the end, is leit with his enhanced Novice privileges, a wiredipoleon 10 meters and a hole in his pocket. By way of contrast, this author just wants to share a success story on what to do with the gift of a non-wnrkinE television antenna. It all began one day when theXYI walked into the shack and said, Honey, I know that you arc having a great time on ten meters...

Rf Signal Generator

100 KHz - 150 MHz -150 MHz on harmonics, We ship world-wide Shipping charges not Included Prices & specifications subject lo change without notice 10 miles west of Washington, D.C. Sorry No COD's 10*5 Tues Wed,, Frl. 10 9 Thursday 10 4 Saturday Closed Sunday and Monday

Usa

SAME DAY SHIPPING TS'X JIM N2GKW & BILL KA2QEP 110-4 Route 10 East Hanover N.J- 0793b You've discovered the grealcsi hobby in the world. And 73 Amateur Radio captures the excitement of amateur radio like no other ham magazine n print toda> With 73, you'll ha v tfun discovering the thrills of this great hobby. And u hile you re ai it, v u'll also learn more ah*HJi ham radio. Don i take he risk of missing out on all 73 has to offer You * an have your issue of 7JT delivered to your home every...

Um

ALL TRAP ANTENNAS are Ha ty id ios Factoryauembie Commercial Quality hjntfe fji power Carescomfria nrr DtfwTt ttakj tar cQnfBdv, M p Srytsw Cocpr M m mn ird E*tf nsjam Sand Setting 'j AJ.'.- 'wuffrifa Tuinlm Bwhw * Tmra For* 3 an avtj* - On 'eptfni is si oancs rrsmjaiflre ntuwi to t monrjf & a < guarantee1 3 Srianoed Co pflrWflic Armnra -ind na cw atari Any ShgJfl band, or Trap antenna with Pro-B& lun Instead of Dt'uie Cifitf' Connector- Add Sc 00 To anitnna pf i . COAX CABLE Indutas...

Wh

Big acts are costly Small ones don't lell the whole siory but help je reduce prices of our top-rated FOX TANGO Bpole iMers for Kenwooa Vaesu Dra*e, Heath, and Collins Ge full nfo by sending an SAS for our complete Pnce List and Informa tion Sheets. Save 10 or more on ail our filters. Or order from our d op-hn Super-Speciais below Discounts apply only to present limited siock Check iva lab ifity order by phone No CQD's VISA MC orders get priority. Shipping US 5. Canada 6, Other 13.

ID

* For lianscetvers and repealers - AMATEUR and COMMERCIAL Aulomalic operaibn adjusiabfe Speed and mplilude * Small sue - easy insialtilion - 7 to 1b yoHs DC * 8 selectable programmable message each up io 2 mm iong * Wired lesifid, and programmed with your message(s) Model lO-t - m 95 Model ID-2 (2 ro 10 rmuite Mner S69 We offer a complete line of transmit ** and receiver trips and syntne J ers for amateur and commercial use Raquast aur free ca a 05 Alio S2 for UPS shipping - Mastercard srrd...

March

USA 2.95 CAN* 3.95 A WGE Publication Of all the possible radios, 1 chose the ICOMIC-735 for my CQWW QRP world record attempt Danny Estefiaza, K7 SS, Wfrld Hign QRP Scare 1M7 COVWSSSPJ2FHT -T9flflC WP*SSB K.7SSWH6 -t966 ARRL OK & CW IK7SS KHB ICOMs IC-735 is the world's most popular HF transceiver With the highest performance, smallest size, and best customer satisfaction of any HF transceiver, the C-73j is the winners choice for fixed, portable, or mobile operations. with 100 duty cycle....

Bncq

HT antennas, ranging from the KD4-144-ST stout helical to the KD14-2M-HW collapsible half-wave. The comparisons involved two types of tests. The first sought quantitative (dB) comparisons of a given model to Kenwood's TR-2500 stock rubber-duckie The second part of the test investigated the relative gain of the antennas under typical operating conditions. A large, flat area of farmland served as the test range The receive system consisted of a 3-element vertically-polarized yagi mounted...

Glossary

Radio frequency spectrum The portion of ihe electromagnetic wave spectrum which covers waves whose wavelengths range from 30 kilometers to 1 millimeter. The corresponding frequencies are 10,000 cycles second (10 kHz) to 3000 billion cycles second (3000 GHz). Propagation The transfer of energy through a medium, such as the atmosphere, or through space. ionosphere An upper-atmosphere iayer, ranging 75-200 mites above the Earth's surface. So called because molecules at that level are ionized...

Product Of The Month

ICOM's Dazzling JC-781 HP Base Station Transceiver Every feature imaginable and some you wouldn't even have dreamed of are found in the IC-781 lr operates all modes and bands 160 io 10 meters with a band spectrum scope that displays signals in a 50 T00 200KHz range of operating frequency The multi-function CRT screen displays frequencies, modes, memory contents, operating notes, RIT, two menu screens and subdisplays for packet and RTTY, And what else Dual band watch twin passband tuning 99...

Membership Application

25 in U S S33 elsewhere (U S funds) Licensed amateurs, or age 65 or over, upon submitting proof of age. may requesl the special dues rate oi 20 in the U S S28 elsewhere mUS Funds) Persons age 17 and younger may qualify for spt ial r ales write for application For postai purposes, fifty percent oi Cues as allocated to QST the balance lor membership The American Radio Relay League 225 Main SL Newfngton, CT. 06111 USA

Vhp

MODELS Kit with Caie Hit IKS C * Wired 'c*n Loft rosse pfeamps with hetical resonators reduce Irtfermod & croM-bamJ interference in critical applications. MODEL HRA-H, 49 vhf, 84 uhf. See cat leg for tuifliw of 2w tr& nsmitling converters ForrtitA uftf tiftt only S79. Lwsr AmoJifm op to SO w UHF MODELS KHwithCMV i69 Hitl uCflK 49 Wiffld wyeflsfl * Specify tuning range desired 143 1501 150 158, 158 162 162 174 213-233. 420-450, 450-465 or 465 75 MH FCC TYPE-ACCEPTED TRAHSMtTTERS &...

Kbv Dx Awards Directory

Complete rules for over 680 certificates. 73 counlries, 170 pages 14 postpaid. Ted Melinosky, 525 Poster Street. So Windsor CT 06074-2936 BNB672 QSLs & RUBBER STAMPS - TOP OUALITY1 Stales, World Maps, USA, Key. Shuttle, Globe QSLs Report Form Rubber Stamps. More Samples Si IRe-undable With Order) Ebbert Graphics D-7 Box 70r Wesierville OH 43081 BNB675 Soldering Station and Tools European and American, Free catalog. Roberi W Mink Import Export, Bo* 6437S, Fair Haven NJ G7704 201 -7538388...

Clear Channel Corp

Clear Channef Corp would like to introduce their new AR-3500 all-mode mobile transceiver. It is ioadod with 20 features, some of which are memory switch, LED frequency display, mode display, split program switch for repeater offsets, and many mere. The frequency range for transmitting and receiving is 28.0000-29.9999 MHz. There are two different models, ihe 30 watt and the 100 watt. The 30 watt's suggested retail price is S3l9. and the 100 wan is only 5409. These products are available...

Tvsb Repeater Controller

Controls Repeaters & Remote Links and is Fully Remotely Configurable no ROMS-no jumpers) The 701B aiso monitors batteries, power levels, etc w voltage telemetry and alarm features Proieciion- Po tr laikjre prelected w watchdog timer Si EEPROM Security- Four levels of conuofl security Versatilny- 74 funciions and digital inpuls ouiputs for auxiliary control & alarms Reliability- 50 accumulated years pf mourctaintop operation Easy to build kit price Si 90 Assembled and tested 300 True Value...

Communications Antennas

3900-S R v r fload ScrtUer Part IL 601 6 312*71-6690 brings imagination and innovation to With the new S-COM 5K Repeater Controller, you'll be able to configure your repeater remotely using DTMF commands. Only the 5K offers this capability for just 189, wired and tested. Easy to interface Polite tD'er Nonvolatile Memory Needs only 55 mA 12 V Adjustable Audio DTMF Muling Control Receiver Port 65 control commands Programmable Command Strings Optional Audio Delay Optional Rack Cabinet

ICOM

WA 98004 Customer Service hotline (206) 454-7619 3150 Premier Drive. Suite 126, Irving. TX 75063 T 777 Phoenix Partway Surte 201. Atlanta GA 30349 COM CANADA, A D j'SKJn of ICOM America, Jnc-3071 - 5 Road, Unrt 9 Richmond, B C V6X 2T4 Canada Alt stated specifications are approximate and subject to hange w tr n i noiice or ot-tjatiofi. ill COM radios s*jnriicantty exceed FCC reguiainra Rfni-ssions HANOHELDS1107 4Z4 ZB active psc ke le e r i nd Ose ar pt 3 se Uf C...

Circle On Reader Service Caro

Ne*< jf GJim tj lower again witn tfii* elevator system Antenna and rotATOf mount on MAZER, complete syalem trami lower in vehicle upright posriiOfl Safety lOOhly 3lem operatos wlilte raising of lowering Ne er can lall Complete kit includes winch. io& tl of cable, hardwareand inductions. For Rohn 20arid 25 G Towsra Ha er 2 Heavy duty ilurr T2sq ft load S297.0G ppd, HAifrf 2- SianOfl'd alum t o*d S213 00 Haiff * - Meary sT i 16 sq fl load M7(.0Q pp4 Ba - Trr st t> earng 7 B-2S 'or an, o'...

Written Exams Supefieasy

Memory aids from psychotogist engi-neer cul studytirne 50 . Novice. Tech. Gen 5 each. Advanced Extra Si0 each Moneybaciv guarantee Bahr, Dept 73-1. 2549 Temple, Paimbay FL 32905 BNB531 Ham Radio Repair ill makes, all models. Robert Hall Electronics. PO Box 83-53. Sar F'ancisco CA 94128 406)729-8200. BNB558 SB-220 Owners Enhance performance add new features 11 step-by step mods which include tuned-input 6-and 160-meter operation, heavynju-ly power supply mods, full QSK operation, solid stale...

P S

Electronic projects > ., ideas , ., the latest technology all at up to 50 off publishers1 prices Meml> ership Benefits * Big Savings- In add-on to tots introductory offe *eep sa mg iut> tantrafly w th members* sr.ces of up Id oh the publishes* prices Sonus Books. Starling immediately you 'II be 4hgibie (or our Bonus Book Plan, with savings of up to 80 off publishers' prices. Club News Bulletins. 14 times per year you will receive Ihe Book Club NewsH describing all Ihe currenl selections...

Dia Driven Element

Details of gamma match construction as viewed from (a) above, and (b) end on. Uom of boom over the rod insert that extends from Ihe other section, The sections are then held secure by screwing the driven element into place. See Figure 2. acquaintance once phrased it, 'to make talking'. . . takes less than two minutes.

Tentec Argonaut Wanted

Rod Sharp N5NM. Box 2169. Santa Fe NM 87504 505-988-2305 BNB660 ATLAS 35Q-XL WANTED State s n. condition accessories Rod Sharp N5NM, Box 2169. Santa Fe UM 87504. 505-988-2305 BNS661 Brownies QSLs since 1939 Catalog and samples refundable with order) 3035 Lehigh Street, Ailentown PA 18103 BNB662 modules Full features auto-logs, 7-band WAS DXXCC. Apple 19,95. iBM Kaypro Tandy, C-128 24,95. KAiAWH PB 2015. Peabody MA 01960 BN3666

Off Factory Pricenow Only Si W

Finally (here is an uffurduble powerful (50 W) sotur powered Hf -iiSfi 11 liihuxiytr (or tht Ai n,iteut W. irLi any htlfc easily deployed ntcnru system - built in jntcnru tuner iuihit vr> vtil cwMnficd circuitry my amateur MARS o CAP fffetpiEK) iS& BwCT iftwi L8toPmHjicM K4 7-5 l - all iti j hiijchl ydUuvr LirAinl_iMi htmisiht CKTpQg OU Sf fly optn*u aL-ccvwncs Sytfcin jvuhhlf Call t* write fuc detaJed brochure 11791 Loara Street Garden Grove, Calif. 92640

Dxpo

DXPO alternates between Washington DX (North Capitol DX Association) and Atlanta. GA, (Southeastern DX Club ) Typicalfy held in early Fall. DXPO features a full day of speakers and seminars on Saturday, followed by a banquet presentation. Sunday morning brunch wraps up the weekend of activities, DXPO 88 will be held in the Washington, DC. area. Another Fall DX gathering fs the W9DXCC meeting, sponsored by the Northern Illinois DX Association, held in theChicago area in Mid-September iSept 17th...

Miz

When computer whiz Steve Roberts sold his suburban home and moved to a high-tech recumbent bike, he was setting out to explore a new way of life one that promised freedom, adventure, romance, and a helluva lot of fun.'1 In Computing Across America The Bicycle Odyssey of a High-Tech Nomad. Roberts describes the wild results of his drastic break with suburban life. It is a 10,000-mile journey of joy, despair, and self-discovery as Roberts steers a zigzag course through people and places ranging...

Amateur Electronic Supply

Fond du Lac Avenue Milwaukee, Wl 53216 Phone (414) 442-42C WICKLIFFE, Ohio 44092 28940 Euclid Avenue Phone (216) 585-7388 Ohio WATS 1-800-362-0290 ORLANDO. Fia. 32803 621 Commonwealth Ave. Phone(305) 894-3238 Fia. WATS 1-800-432-9424 CLEARWATER. Fla. 34625 LAS VEGAS, New. 89106 CHICAGO, Illinois 60630 1898 Orew Street 1072 N. Rancho Drive ERICKSON COMMUNICATIONS Phone (813) 461-4267 Phone (702) 647-3114 5456 N. Milwaukee Avenue No In-State WATS No In-State WATS Phone (312) 631-5181 No...

Day Novice Course

Thirty prominent amateur radio equipment manufacturers and accessory suppliers, plus five amateur radio dealers, are taking part in the Gordon West School Novice welcome package. Their literature sheets, rebate coupons, and instore discount offers are included with every 21-day Novice course sent out to home study maii order students. The Gordon West 21-day Novice course includes two stereo code-learning cassettes pius the Wesi 112-page Novice book. Also included is the FCC Form 610, a

Spectrum

617 West Elk Avenue* Bern berg Center Eiizabethtorv Tennessee 37643 v* rhis months Special P& ragon ., < Authorized IX ilcr For Ten Tec, A strop, MFJ > and Larscn iFOH Efrjtedu add 55 Vba & Mauertard CaN Toll Free 52.00 COD Fee Tennessee Volunteers (615) 543-5688

Single And Dual Port Packet Controllers On A Pc Plugin Card

DOES AX.25 AND TCP IP WITHOUT AN EXTERNAL TNC OR INTERFACE - POWERFUL SOFTWARE PROVIDED ON PC COMPATIBLE DISKETTE - SWITCHABLE FOR F THER HF OR VHF TONES - CONNECTS DIRECTLY TO RADIO -NO EXTERNAL INTERFACE NEEDED - PROVISION FOR EXTERNAL HIGH SPEED MODEM PC-110 SINGLE PORT 169.95 PC-120 DUAL PORT 199.95 WHITE OR CALL FOR OUR NEW CATALOG OF PACKET EQUIPMENTf SOFTWARE AND ACCESSORIES. TOLL FREE (ORDERS ONLY) 800-223-3511

Having

Corole Perry S Doytonl987 Hem of The veor) introduction To Amoteur Radio package allows children of all abilities to achieve success. Reody-to-teach package contains Teacher's Manuo with 26 lesson plans, Code Practice Oscillator for Morse Code practice, Spacecode audiocassette which follows lesson ptans, , .1 Any motivated teacher can teach the program Kam Radio program is used os a motivational tool to teach skills in other subjed areas 24 hour Hotline is available far he o and questions. Hrgn...

Charlottenc

The Mecklenburg Amateur Radio Society is pleased to sponsor the Charlotte Hamfest and Computer-la , an ARRL Sanctioned Hamfest. to be held on March 19 and 20 Jt will be held at the Charlotte Convention Center,Open Satuday 9 AM to5 PM. Sunday 9 Am lo 3 PM. There will be 160 commercial exhibit booths and over 500 flea market tables. Ail of the major manufacturers and dealers will be there All indoors. 87,00 square feet The re mit also be plenty of programs and forums, and license exams by the...

Qrm

WGE Cemer Peterborough NH 03458-1194 phone 603-525-420 I Advertising Off ice* WGE Canter Peterborough MH 0345iM 194 phone 800*325-5083 Circulation Office WGE Center Peterborough NH 03458 1194 phone 603-525-420 Contributions m (he lonr- o manuscripts wiih drawings andJor photographs are welcome and will be considered lor possible publication We can assume no responsibility far loss or damage io any material Please enclose a sr imped, sell-addressed envelope wilh each submission Pa* mefit to* the...

METERS

ICOM's advanced IC-Q2AT, compact IC- i2AT Micro, and rugged IC-2AT dominate the 2-meter bands from 139.0- 163.0MHz. ICOMs deluxe IC-03AT and dependable IC-3AT are the perfect choices for 220.00-224.995MHz. K.OM's outstanding IC-04AT, IC- Li4AT, and Micro IC-4AT, have you covered to 440.00-449.995MHz. Exclusively ICOM, the 1260.0 1299.990MHz band is owned by the unique, full-featured IC-12AT.

B

Every ham who has ever watched a handheld radio abruptly die because of the power curve of internal NiCads is already acutely conscious of the problems with batteries. On the bike, the difficulties were compounded by a variety of loads, the need for redundancy, random charge discharge cycles, and a lack of home-base spares. For the Argonaut in the trailer, 1 use a 4 amp-hour NiCad f can inn it down properly, give it a full solar charge, and hit the airwaves again. But for day-to-day 2-meter...

Ege New England

Sai& m Hampshire 037-79 New England H udwv Toll Free 800-444-0047 Srore Hours MftlflF 10- i in 12-8 Sat 10-4 Srore Hours MftlflF 10- i in 12-8 Sat 10-4 CO net inctpfte sft potr-g UPS COD tee S J5 ser i -Jie frtfw * sutyetf ft change *rrflauf GOAgtfftn flraji cis jn roi sow for MtoJbdn AtfffftTTOtf fFiLT ni J e ioP-JIJCMP J fiK rcsftcMriff ifftf ftamfflng fee a rd credit will be Issued tot use on Your next purchase. EGE supports the marttifacturots' warranties, i'-u gel j copy of 8 warranty...

The Nonesuch Country

Iceland (TF) is not on the list of the ,1100 most wanted DX countries, according to the most recent (July 1987) survey by The DX Bulletin Icelandic hams can be found by US operators without too much searching, Some Icelandic stations even come up on some of our DX nets a few times a year Thus, as a OX country. Iceland is not particularly rare in Webster's meaning of not frequently found. But as a nation, Iceland is indeed rare in the sense of unusual Just as starters, consider these records...

Edited By Bryan Hastings Kahy

This month marks the anniversary of Novice Enhancement. Fred Maia of W5YI News sums up below the effect of Novice Enhancement for 1987. The increase in the total number of ham radio operators is due to expansion at the Novice and Technician level. The total amateur census the net increase of hams-increased by 9,119 in fiscaf year 1987 (10 86 to 10 87). The Novice and Technician ranks swelied by a net 9,157 These figures show the General Advanced, and Extra-ciass ranks suffered a net decrease....

Call Or Write For Special Quote

Whfcn it frames 10 FAST DELIVERY HONEST DEALING ana PROMPT DEPENDABLE S-E-R-V-I-C-E sack-up Wedon't just adve-Vs - v E GiVE IT1 AMERICA'S MOST RELIABLE AMATEUR RADIO DEALER in 1937 Stan Burghardt (WgMT). because of hfs intense interest in amateur radio, began selling and servicing amateur radio equipment in conjunction with his radio parts business We stand proud of this long-lasting tradition of Honest Dealing, Quality Products and Dependable * S-E-R- V-l-C-E17 Above alt, we fully intend to...

Expandable Repeater System

A NEW CONCEPT IN REPEATED DESIGN THE H. Pro S AN EXPANDABLE REPEATER WITH THE FOLLOWING FEATURES* A BASIC REPEATER WHICH WOULD IN CLLlOE A COMPLETE RECEIVER IRANSMHTTER COR. FPONT PANEL CONTROLS AND INDICATORS, LOCAL SPEAKER AND MC JACK AND CAf AfiLE OF FUTURE EXPANSION ALL HOUSED IN AN EXTREMELY RUGGED ENCLOSED '9-iriCH RACK MOUNTABLE CA& iNFT, THIS SYSTEM CAN BE EXPANDED AT TIME OF PURCHASE OR CAN BE AN AFTER-PURCHASE ADD ON THE ADO ONS ARE HIGHER POWER. 110 220 VAC POWER SUPPLY...

Vb

Details of (a) boom, and (b and c) gamma match construction for the portable antenna. Another problem to overcome when building a portable yagi is the method of feeding the antenna. f needed a matching method that would work without having to insulate the driven element from the boom, and I hoped t wouldn t have to employ a balunr Therefore. I opted for the gamma match The gamma rod. like the elements. is made of 1 4 diameter aluminum rod itt toot is threaded and screws into a 1 x 1 x...

Cci

Forth* i-d 3t> 0 wait HF ar p fner* as iwrti ffn MQIQBSLA BuU tins t6-J7A AN-75B. EB-63. AN 7G2 and as. described 'n the ftRR Hand book. W(l JilSO carry n line oi ATV Qquiprnont for 70 jnd 33 CM For detailed .'Horrnatign and prices caJi Of w le tor Cur froo c.iijj-cg II CtL 13 A (35-N'i. ., I T3 5- . HQD L fcfS* fill Itlf.ftS III nr n Sil * EJ t i, 4UDJ E 3 JH-MU

Mfj Enterprises

MFJ Enterprises announces its new MFJ-1278 Multi-mode Data Controller that lets you work seven digital modes Packet, ASClt, RTTY, CWr WE FAX, SSTV, and contest memory keyer modes. The MFJ-1278 retails for 250 i features high performance HF VHF CW modems software selectable dual radio ports, prec-sion tuning indicator. 32K RAM and an AC power supply. Not included is a Starter Pack to get MFJ 1278 users on the air instantly. The Starter Pack includes computer interface cable, terminal software...

Other Radios And Accessories

EWiBCSSXL-SABearcar iQ channel scanner St 14.95 BC 70XIT-SA B *rcat 20 channel scanner 169 95 R1090-SA iegc y45ch scanner CLOSEOUT S119.95 Z& O-SA Regency GO v.* snsnn r CLOSEOUT Si 29.95 UCT02 SAflfi encyVHF2ch i Wah Uansc ve- SH795 BPS5-SA flege c l e flmp reg. power sjofjiy S169 95 MA549- SA D'OP- -n Ch rgerforHXl 200 HX150Q S& 4.95 MA519-SA Wail chwger For HXl500 scannf-- SI 4.95 MA553 SA Carrying case for HX1500 scanner S 9 95 MA257-SA C iqi ra tt a lig hier cofd tor HX 12 1500...

Ala Linear Amplifier

The Ameritron AL-80A combines the time proven economical 3-5002 with a heavy duty tank circuit to achieve nearly 70 efficiency from 160 to 15 meters. It has wide frequency coverage for MARS and other authorized services. Typical drive is 85 watts to give over 1000 watts PEP SSB and 850 watts CW RF output. A Phi-output circuit for 80 and 160 gives full band coverage and exceptionally smooth tuning. The AL-80A wilt provide a signal output that is with V2 t4S unit of the signal output of the most...

Ucl

Cfl ORDER DIRECT FROM FACTORY VISA WC - grvi card Ejcjj dale. Signalure SEE YOUR DCALER. Cfl ORDER DIRECT FROM FACTORY VISA WC - grvi card Ejcjj dale. Signalure SPE-RO MANUFACTURING, INC. Oept 105, P.O. Bo* 1530 Hendersorwille, NC 28793 Chosen By Amateurs For Over 15 Years. Winner of the Manitoba Design Institute Award of Excellence. Will Accommodate New Bands From 2 To 20 Meters. 4 Element 563.00 Price is F.O.B. Boissevaifi. Includes U.S. Customs Duly. Kit Includes Spide ,...

Cushcraft

Tonna 20804 4-Element 144 MHz Broadband Yagis Cushcraft 124WB - element 144 MHz yagi Price Class 58 Two excellent choices for small yagis. The real work-horse antennas on 2 meters these days are the 4-element broadband yagi. They're everywhere In repeater service, atop a tower, stacked in pairs, at a portable communications site, backpacked up a mountain, even on a boat. The 4-ete-ment yagi represents the next logical step up for many 2m operators, such as the FM operator trying to make thai...

Egg Harbor City Nj

The Shore Points Amateur Radio Club Invites everyone to its Springfest '881 hamfest, to be held on Saturday March 12, starting at 9 AM sellers may arrive at 7 AM to set up) at the Atlantic County 4-H Center 8000 square teet of heated indoor selling space > s available, with additional space for outdoor taiigating. weather permitting. Limited AC available in indoor space. Sellers S5 per space (supply of tables limited, request if needed) buyers 3 Talk-m on 146,385 985 and 146.52 simplex. For...

Actual Size Front Panel

Separate frequency display for main and sub-band 1 45 Watts on 2 meters, 35 watts on Call channel function, A special memory channel for each band stores frequency, offset, and sub-tone of your favorite channel Simply press tne CALL keyt and your favorite channel is selected Automatic Band Change (A.B.C.) Automatically changes between main and sub-band when a sjgnal is present Dual watch function allows VHF and UHF receive simultaneously, CTCSS encode decode selectable from front panel or UP...

Cw

You get a Super Morse Keyboard mode that lets you send perfect CW effortlessly from 5 to 99 WPM, including all prosigns - it's tailor-made for traffic handlers. A huge type ahead buffer lets you send smooth CW even if you hunt and peck. You can store entire QSOs in the message memories, if you wanted to You can link and repeat any messages for automatic CQs and beaconing. Memories also work in RTTY and ASCII modes. A lone Modulated CW mode turns your VHFFM rig into a CW transceiver for a new...

Warranty

Limited one year warranty by Clear Channel Corporation of Issaquah, WA. AR35000 30W (Reg 359) Call Us AR3500-100W jReg 449) Call Us Scar Mic & Mod installed 45.00 SP- T Speech Processor 33.00 CW Bd Auto break-in 39.95 3 Element Beam 26-30 MHz 89.50 Penetrates Mobile Ant 44.95 RS-7A Pwr Sup tor 3QW 49 95 RS-35A Pwr Sup for 100W. + T34.95 Quantity Pncing Available Foreign Orders Accepted Orders received by 1 PM PST shipped UPS same day. COD I VISA MC Next day UPS delivery available ORDER DESK...

Amateur Television

HAMS SHOULD BE SEEN AS WELL AS HEARD TVC-4G 70cm ATV Downconverter Now only 99 See live action color & sound like broadcast i'V Many areas have ATV Repeaters call us or see ihe 87 88 ARRL Repeater Directory pg. 328 for your area) Most ATVers use home cameras and VCRs to show the shack, projects, home video tapes, public service events like parades, races, etc. Some repeaters also have weather radar, Space Shuttle video, BBS, & computer video It's easy to start watching 70cm antenna, a...

Amphenol Specials

PL-259 silver (mica filled) Si.25 UG-21D 'N1 (fitted for 9913) 3,50 UG-23D *Nl female cable end 3.95 LTG-29A J ' Barrel (jack-jack) 4.50 UG-57B 'N* Barrel (plug-plug) 5,20 UG-83U + Plug to UHF adaptor 8,00 Copper-clad 14 ga. (7x22) 7c a foot (any length) CIRCL E I 7B ON READER SERV CE CARD VISA A MASTER CARD ACCEPTED SHIPPING IS ADDITIONAL Call TOLL FREE

O

Today's hand-held VHF UHF scanners and handie-talkies from Bearcat, Regency, Cobra, and Radio Shac kr ICOMr Yaesu, and Kenwood have excellent sensitivity and talk power, but their range is reduced by their short flex antennas, Tib I To increase the range of your hand-held scanner or transceiver, connect a Grove ANT-8 extendable whipantenna.equip-ped with standard BNC base. Trps from the expert on boosting ihe performance of your radio equipment, The Grove ANT-8 is a fully-adjustable,...

Ior More Information

34374 EAST FRONTAGE ROAD BOZEMAN, MT59715 406) 5 6-1 190 12 Vol C64r Vic20 mobile portable power supplies. Take your computer on Field Day, Vacation, Anywherel 12V pwr supply 542.95 T541 12 Vol mod 49 95 Add 52 pOBlage fttifldiina C64 packet modem krts includes Dtgtcom Public Domain TNC emuiaror disk and all parts to build packei modem VHF kit Assembled VHF HF ki Assembled

Ft

Il 5 rr 40 .V < 0 rr rrtii'tt fivnwvprtJTyF -i.' 320r wn nr m 3SWnmiilB n.< 2kn Il inwlu mobili CMIlH*7m rill mDd(w n 2C- -fl TWTC . .-. Il 5 rr 40 .V < 0 rr rrtii'tt fivnwvprtJTyF -i.' 320r wn nr m 3SWnmiilB n.< 2kn Il inwlu mobili CMIlH*7m rill mDd(w n

Dealers

Your company name arni message can contum up to 25 words lor as liitle as SI99 yearly prepaid), or H> 50 for ihrise months (prepaid). No mention of mail-order business permitted Directory text and payment milvt reach us 60 days in advance ofpubtieaii on Foretjample. advertiiing for the April HH issue musi be ill oor hands by February 1st. Mail ro 73AmateurH.Jb. Hope Currier, WGE Center, PeterbonHigh N+H 03458 A convenient service for our Readers.

Special Features

SOLID STATE ELECTRONICALLY REGULATED FOLD-BACK CURRENT LIMITING Protects Power Supply from excessive current & continuous shorted output CflOWBAR OVER VOLTAGE PROTECTION on all Models IKipt RS-3A. RS-4A, RS-5A MAINTAIN REGULATION LOW fiJPPLE at low line input Voltage HEAVY DUTY HEAT SINK * CHASSIS MOUNT RJSE ONE YEAR WARRANTY * MADE IN U.S.A.

Uncasvillect

The Second Annual Radio Amateur Society of Norwich (RASON) Auction will be held on March 26 at the VFW Hall, at 9 AM Auction from 10 AM until sold out Admission is free and there will be food available Bring your equipment to be auctioned. Talk-in on 146,13 73. Call KYlF at 203-536-0187 for further information. The Libertyville and Mundelein Amateur Radio Society Is pleased to announce the Lamarsfest 1988. It will be held on Sunday, March 27 at the Lake County Fairgrounds. Doors open at fl AM...

Automatic Antenna Matcher

MAXCOM has made Global Communications Simple P.O. Box 502 Ft. Lauderdale, FL. 3330S MAXCOM is a registered trademark and is uwined by Maxcom Electronics, Inc ONT.Y LSINti If) MEMOIUES7 HATE THAT HIDDEN BANK SWITCH THE BANKER letsynu access all 10 memories frnm the front panel Just pres* the VOK hE button to through nil banks Board just plugs in- no modification* to your rig Installs and removes in minutes, just like the optional voice synthesiier board *Taiits nu power from backup battens *1-JW...

Buy With Confidence

To got tho faata-mt deli ary Irom CE of any scanner, send or phone your order directly lo Our Scanner Distributor Center Michigan residents please add safes tax or supply your tax UD. number Written purchase orders are accepted irom approved government agencies and most well rated firms at a 10 surcharge For net 10 billiny. Alt sales are subject to availability, acceptance and verification. Ail sales on accessories are final. Prices, terms and specifications are subject to change without...

Amidim

Fast, Reliable Service Since 1963 Small Orders Welcome Free 'Tech-Data' Flyer Toroidal Cores, Shielding Beads, Shielded Co+I Forms Ferrite Rods, Pot Cores, Baluns, Etc. 12033 OTSEGO STREET, NORTH HOLLYWOOD, CALIFORNIA 91607 S-BAND CONVERTER FOR YOUR 137 MHz RECEIVER 1691-LY (N) GAIN 20dB BOOM 6' 86.50

Jo

MJlei ( rtrtn FjC r-T 12 Tim Hjlrnfl ZOOQ CW. 4000 PEP Htight 10 Fifdi Wright fl 0 i.Ij l Malern Ii AriQdiifld 60eJT s Aitztiij Alun .m TutJi,_ _ Vtflrul -1 SD6 Mi hmlicxinri F ci t Mfi if otiial - i 1 in * Vulic* f 15 tiniH H rt ir. Vert F> iljiKJinun 4000 tP He t 11 Fw VVp.yM lOLbl Hattnilc ArHHhltd CO, T-6 Ajrc AluJiiirtuni Tiitiif> yi lpqnj .'iti 1 urtlflCapp

Graphics Services

Flanagan Dan CrOteau Jodi Johnson WGE Cenief Peterborough. NM 0345& -1 m 6U3-525-4201 Wayne Green Enterprises ts a division of Iniematwaf Data Group 73 Amateur R*dk> fSSN e published monthly by WGE Pubtish-inq. Inc a dvnyon of Wayne Green Enterprise s inc . WGE Center Peterborough NH 0345 - 194. Emire con-leriis 1988 by WGE Publishing, Inc, No part of ihts publication may be reproduced withoul written permission from ihe publisher

Ham Station

Evansville, IN 47710 Store Hours MON-FRI 9AM - 6PM SAT 9AM * 3PM CENTRAL TIME SEND ASELF ADDRESSED STAMPED ENVELOPE SASE) FOR NEW AND USED EQUIPMENT SHEETS WARRANTY SERVICE CENTER FOR ICOM, YAESU, TEN-TEC FOR SERVICE INFORMATION CALL (612)422-0252 MONDAY FRIDAY 9 00 AM 12 00 NOOM TERMS Prices Do NqI Includ ShspprngP Price and Aviilabifity Subject la Change Without Natice M sl Orders Shipped The Same Day CCD's Welcome _

Simple Converter Receiver For Your

Here is a simple easy-tobuild receiver converter that, when used with your station VFO, makes the comb nation of these two pieces of gear into a simple Direct Conversion Receiver that will tune the 80 and 40 meter amateur bands as well as other shortwave bands for DX shortwave listeners It will receive CWt SSB, and AM. The inductance and capacity in the antenna input circuit could be changed to receive 20,15,10 and 6 meters. This simple converter can be constructed on a small piece of 2 x 2r PC...

Na Meter

* Read SWR, RF power k1 and field strength ELECTRONIC EQUIPMENT BANK 516 Milt Street, N.E. Viennaf VA 22180 Order Toll Free 800-368-3270 Technical and VA Orders (703) 936-3350 Biff Pasternak WA6ITF 28197 Robin Ave, Saugus CA 91350 I finally found a terrific group of hams. They are everywhere. I talk to them every night on my way home from work. I chat with them on weekends on 10 meters. I meet more and more of them on each business trip. They are warm, friendly and most important they are...

Israel

Ron Gang 4X1MK Kibbutz Urim NegevM.P.O. 85530 Israel INote thai Ron 4Z4MK is now 4X1 MK The rules of. and suggested log sheet for. the April con-test honoring the 40th anniversary of Israel s independence, mentioned briefly last month, now may be obtained from us. US hams send an SASE with your request Ed Novice Enhancement. Principle agreement nas been reached between the Ministry of Communications and the Israel Amateur Radio Club to grant voice privileges to Grade C (Novice) II-...

Circle On Reader Service Card

Kenwood TH215A 1H25AT Trode in your old HT Ker v xxl TS 140S __________________Call tor trade Nei i Kenwood TM-221A 45W mob e Calf COM SS rH i M Ca i Kenwood TH215A 1H25AT Trode in your old HT Ker v xxl TS 140S __________________Call tor trade Nei i Kenwood TM-221A 45W mob e Calf COM SS rH i M Ca i Packet can be used on meteor scatter. Some operators use 2m packei successfully* and this mode has potential for 10mT too, Must QSOs made via meteor scatter arc with skeds, The blind calling that...

The All New Private Patch Iv By Csi Has More Communications Power Than Ever Before

Initiate phone calls from your HT or mobile Receive incoming phone calls IsiEW Telephone initiated control, ,, > > Operate your base station with complete control from any telephone Change frequencies from the controlling telephone Selectively call mobiles using regenerated DTMF from any telephone Eavesdrop the channel from any telephone Use as a wire remote using ordinary dial up lines and a speaker phone as a control head.

P

* T t For Otwies Beams & Stooers St7.95 handles Full t& gj newer - Lighhwight. Sealed Wftattiefpfool Data e I I '( urf NC SL e .-Tg - Mif T cor i hannome ra icn * T t For Otwies Beams & Stooers St7.95 handles Full t& gj newer - Lighhwight. Sealed Wftattiefpfool Data e I I '( urf NC SL e .-Tg - Mif T cor i hannome ra icn m Fir band D-pole Ari tOiKViS tiO t36i)0'pf FfrS-sawOitEte An

Chicoree Ma

Mount Tom Amateur Repeater Association Annual Fieamarket will be hela Sunday, March 6 at the Knights of Columbus There will be computei. electronic and Amaleur vendors. Tables are S8 in advance, S10 at tile door Doors open to vendors at 7 AM, and open to the public at 9 AM. Admission is S2. and your non-ham spouse and children under 12 are free Talk-in on 146.94 and 223.82 repealers. 146.52 simplex. Walk-in Amateur exams tor all classes at 10 AM. Applicants must bring check tor 4 35 payable to...

Siren

Probuc pttarfliiml downWisrdwall sw Law L-ui ren. ibmt lmmiiTiDnin att ducy Spectal Events listings wilt be provided by 73 Magazine free of charge on a space-available basis Announcements must be received by us by the first of the monthP two months pnor to the month in which the event takes place (by March 1. for example, for a May or later event) Please mail to Editorial Offices. 73 Magazine. WGE Center. Peterborough NH 03458. ATTN' Special Events The Second Annual State Technical Institute...

All Items Are Guaranteed Or Sales Price Refunded

Icon i 761 i - i - -in- Ii 11 i p . p p . . i - p b 11 i - - -- C3 I Sin Li f ( i - j - - - - iii iii-bbb.il 54.95 A stale MC321 CarUidge Dl 04 2 00 Asaaiic D WOTUP'9 72 00 Icon i 761 i - i - -in- Ii 11 i p . p p . . i - p b 11 i - - -- C3 I Sin Li f ( i - j - - - - iii iii-bbb.il 54.95 A stale MC321 CarUidge Dl 04 2 00 Asaaiic D WOTUP'9 72 00 leopoJe MHj ------, 44 95 C shcrafi 124 wb(146mhz) 33.00 Butternul HF6V, 0-10 verfcaJ 125 00 KLM HF Vtir d Class Senes Antenna Call Don

Charlotte Hamfest And Computerfair

MARCH 19, 9 00 AM to 5 00 PM SUN. MARCH 20, 9 00 AM to 3 00 PM CHARLOTTE CONVENTION CENTER, 4th & COLLEGE STREETS. CHARLOTTE, NC 87,000 SQUARE FEET INDOORS, 500 FLEA MARKET TABLES, 160 EXHIBIT BOOTHS AWARDS EXAMS FORUMS LADIES ACTIVITIES LICENSE EXAMS BY CHARLOTTE VEC EXAMS ON SUNDAY ONLY Completed Form 610 + 4.50 + Photo Copy of License & Certificates Required by March 12r 1988 NO WALK-INS Mail to CHARLOTTE VEC. 227 Bennett Lane. Charlotte, NC 28213 SPECIAL...

Zoom

taflrti 11' pro* tes rt* -ic grap d fcvplij uf i 1*I pru i.-n nup -h . h (IWif jmfct the ItkrittJ SaJilliU Sun MwnSHT ertragt dick vptfrtrt Od per kcooJ Sphtrv.jJ portion > ie*i ihd pphK tereen dump to ab IBM EpunOiu primrr Lin jJw tu Requins n I M PC PC XT, IPC. AT. tnjc tonifunbli in IBM ColorGraptuc M.tum ulaptcr or irw Lt> m jrjhJe 1W7 imih copnecadr, minimum I56K RAM nh 5 K recooiit ndcd. Doi 2 0 t Wer *nd ctthcr ikj 1G K. fluffs dnvc nr one 160K f oppy and une fiani drive SILICON...

S

DEVCOM 336 Joya Loop Los Alamos, NM 07544 3 in 1 Portable Antenna Kit perfect for ' field days Designed tor 2-12 MHz operation includes At-101-102 long-wire ( 15 stranded-copper) with insulators & clips tor adjusting frequency 5-section whip with IN 127 base, plus CP-12-13 counterpoise for 15 radial groundplane. Also guys. 4-stakes, and canvas carrying bag. NATO-surplus used-good. 22 lbs Prices F.Q.B, Lima. VISA. MASTERCARD Accepted. Allow lor Storni * Write lor 1988 CATALOG ArfrirtSS Bttt....

Pro

Rasy-To-Use Logbook Program For Your MS-DOS- Compatible Computer Room to store complete address information 900 QSO's on floppy, hard disk limited by space available 'Ohio resident must odd 5 sales tax. Mqkes Check Pttyaiilr T'o MOKLAN SOFTWARE P.O. Box 2400 East Liverpool, Ohio miNOtakUuie . Pmvot UT 84604-2138 JU m-iva* FasiTowtr Mouni Full Legal Power -No Caps or Coils Never Corrodes -Fully Insulated Lfw Unique folded and creaien bmad rv-L ianre in both Progromable Repteter Controller Hf i...

Configuration

A mast-mountedl preamp probably isn't necessary if a station system fits within the above parameters Most of today s amateur VHF equipment uses low-noise, high-gain devices in the Iront-end and mixer stages that easily overcome modest line losses. Stacking antennas is another easy way to jmprove the overall gain of a system Consider that transmission line fosses at 432 MHz with 9913 amount to 2.5 dB per 100 foot run This can be made up just by stacking two matched yagis. if the operator must...

California

Neu HAM More open and reads lo make a DEAL We carry all lines, ship UPS, and are open Sunday. ATECH ELECTRONICS, 1033 Hollywood Way, Bor-hunk CA 91505 (Kl8)845-9203, Hard to find piinv. surplus electronics, standard line jtern* Ham , hi hsis. industrial professionals -li m nu Ai. bolts lo laser Ji xic . Electronically speaking Gateway's got iti M-F 9-5 30 Sat. 9*5. GATEWAY H KCIKON1CS, 4633 Convoj St., San Uit o CA 921 tl (6I9)Z 9-68tt2. Hard o find surplus electronics, sUrxiarJ Jine ilem.s...

Signal Intensifiers

4 HEARING AID FOR YOVJt RECEIVER OR SC* the Sait jT th m IDE SAND p *wpL Mile innil Mtciuiis perforai h kr BIG OAK' Fully AvwrtfibLed tod BULL T tO LASTf Mil 'UHF of MF HF iviilibk Mini modi h Send foi mc Finally i speaker you cjn put where YOU want it PEmip it ne r your tar Tor fine armchair crjpyH flven in your car SptC nil (y designed sucliOn cup hold Tor weeks yet remove easily for scorage Complete *i ih 5' table and rithiei Minf or Sub-Mini pin (tprcif titn urdrriingV if** X 1 J 4* X T I C...

Visa

IC-2A 2 met fs 289 00 259 IC-2AT with TTP 319.00 279 IC-3AT 220 MHz, HP 349 00 299 IC-4AT 440 MHz, TTP 349 00 299 iC-02AT High Power 409.00 349 1C-03AT for 220 MHz 449 00 389 IC-04AT for 440 MHz 449 00 389 C-u2AT jviih TTP 329 00 289 IC-u4AT 440 MHz,TTP 36900 329 IC-12AT 1W L2GHz FM HT batt cgr TTP 4 73.00 419 A-2 5W PEP synth, aircraft HT 499.00 449 A-20 Synth, aircralt HT w VOR 599.00 529 Accessories for 11 excepr micros Regular BP-7 425mah 13.2V Nicad PaK - use BC-35 79.00 BP S 800mah 8 4V...

Out

There is always time for some friendly fun that you don't need a license to enjoy and appreciate, Are you into Packet Radio Thinking about it Then you definitely need CTM During 1987 we had 65 packet and packet related articles and that doesn't even count the other HAM articles or the many Computer articles. The other four ham magazines* only had 26 packet articles during 1987, There's something for everyone in CTM Jump right in, youTl find the natives friendly and helpful, too NOW which do you...

Video Moouljtob

Cen T anv TVtd -ifltn rnonrtot Supt jlSWi tLfdtitccvfi cn< -6 HL-nitr. tiV 4cce5i3 a ort ru. Etrsi_ twtihe -a- t I. ____ . SBifVrtftfflifT-- i-teffijb TrPtF u MatUMStfH> Mt fllfe nui st t A& iJH J-> iWsjt nC - at In Itf noBhKTiQ Ctifiy'f iawrw pnanpl'tti -S hitpui -ftwitiL op 11.T if PC bo*- c et < 0 s o tiaf vjs T f - -i J9 rc uLxl M UsebllQrlMn it-*iJu< ilttfiKi r FS*, F I Cw< vw te urtM i i I la a waap hm OAtttCwD10 r*Bg Fb kaiouii-Citt uipA - > to jiivo'

Communications Electronics

Michigan43106-W5 U.S.A. For orders cell 313-973 8888 or FAX 31 3 & 71 BOOO Ten meters was alive and well with signals on August 12. 1987. The band even included the signals propagated by meteor scatter. The Perseids meteor shower t< x*k the Novices by surprise. QSOs were incomplete mosi stations didn t knos* ping mode operation. Many stations later reported that this type of propagation was completely new to them. Vet, meteor scatter can be a useful tool to all...

KENWOOD

Culver City, CA 90230 213 390-8003 TS 711A All Mode Base 25w B9R95 TR-751A All Mode Mobile 25 w 599.95 TS-440S AT Gen. Cvg X cvr. 119995 TH-215A, 2m HT Has U All 349,95 Call S Call Cat Call Call Call CallS CaHS Call CatlS CalLS Call Call 995.00 1095.00 459,95 579,95 299 95 359.95 1095.95 479.95 599.95 Catl S Calf CaitS CallS Cans CallS CallS CallS Call FT-757GX Gen. Cvg Xcvr FT-767 4 Band New FT-211RH FT-290H All Mode Portable FT-23 R TT Mini HT FT 209RH RM Handheld 5w...

Multitester

Provides distinctive aud hteciiirp after contact has been made and merer reading has stabilized Has TOUCH HOLD tealurt lo ai low readings to be locked or referred 10 before making the next reading Up to lOAWPcurrent capability and a continuity junction wfifch beepsjin zero Ohms. Compaci sized reliability ami accuracy. This LCD digital multitester easily fits m p .r pocket youcanralieittfnyAteie ft ieaiures tall overbad protection * 3 . Liic-r LCD eadcut t eces& ed input jach i * safety...

Wb

These numbers translate into ,5 and .38 wavelengths respectively. From these numbers, both antennas should have fairly broad patterns with the Tonna slightly broader. And they do. Cushcraft specifies the E (vertical plane 3 dB beamwidth to be 60 degrees and the H (horizontal) plane to be 83 degrees. Tonna claims ihe E plane to be 58 6 degrees and the H plane to be 86 4 degrees. The latter is somewhat broader than the Cushcraft due to the shorter boom length. However, the numbers are very close...

High Performance Preselectorpreamp

The solution to most interference, intermod, and desense problems in AMATEUR and COMMERCIAL systems. 40 io 1000 Mh2 - luned to your frequency 5 large helical resonators Low noise - High overload resistance B dB gam - ultimate rejection> 80 dB 10 IO 15 volts DC operation Size * 1.6 x 2.6 x 4 75 exc. connectors FANTASTIC REJECTION Pfice - CALL dipolar w RCA lacks Connector options 6CN 55. UHF 6, Typical rejection 600 Khz< i l44 Mhz -2MB 1.6Mhz 220 mhz - 40dB 5 Mhz 450 Mhi. - 50dB

Callbooks

The Flying Horse sets the standards Continuing a 67 year tradition, we bring you tttree new CallbOQkE for 1988. The North American Callbook ilsts the calis. names, and address information for 476,000 hcensec radio amateurs In all countries of Nortn America, from Canada to Panama including Greenland, Bermuda, ana ttie Caribbean Islands plus Hawaii and the U.5, Possessions. The international Cail& ook lists 481,000 licensed radio amateurs in countries outside North America. Its coverage...

Com West Radio Systems

Tired of paying higher and higher prices for V.H.F, magnetic mount antennae Mustier has the solution Two new scries of antennas ui suprisingly affordable prices. Built ith the same quality and performance you expect from i Hustler product* Designed to offer you years of trouble-free operation. Priced to save you money. Model RX 2 i Also Available in iilackf Model FX-2 2 Meter black & chrome Model FX-220 220 MHz+ black and chrome Model RX-2. i meter black and chrome Model RX-220, 2In MHz...

Reviews

11 Down East Microwave Two loop yagis for the hard-to*please 16 Create an X-2 9 Yagi This9-clemcnt rates a 10 26 Larsen HT Antennas HT antennas fur every occasion 27 Book Reviews Something for 31 Comrade Untenna and Power Booster This package picks punch 37 Book Review Transmitter hunting 38 Datong Direction Finder High-tech transmitter (racking 42 MAXCOM The name says it all

Czechoslovakia

Every December, the Minister ol Telecommunications in Prague announces the best and most active radioamateurs. In 1986, on the occasion of the 35th Anniversary of the Military and Sports Association. he awarded honors to the best radioamateurs and gave some of them the Mle, Master of Sports. 1986 shortwave champions (the biggest world and local contests), with 75 being Ihe maximum points possible, were OK6RA (operator 0K2FD) with 69 points, and 0K1VD and OK1DBM each with 66 points for...

Cyprus

Arts Kaponides 5B4JE PO Box 1723 Limassoi Cyprus C4LWF, ihe special Limassoi Wine Festival station, did not operate last September due to lack of support from the organizers, and for the same reason about 300 QSL cards and certificates from the 1986 operation cannot be dispatched. From June through December ihe Cyprus Amateur Society did have authorization to use the H25 special prefix to celebrate its 25th anniversary As far as I know, it was used by 5B4SA, SC, QA, and JE, The number of Cyprus...

SD

PAKRATT- Mo el PK-232 PAKRATT Model PK-64 PAKRATT- Mo el PK-232 PAKRATT Model PK-64 For Commodore C-64 Users Special Close-Out PK-64 with HF Modem with ASCI I Packet pBaudot,CW, Am tor Word is spreading laat-Nolh ng mutchci ihe KflP 5000 for total performance and v 1u t Not TELEX * 4932256 KENDEQ0M FAX 6l737373CH TELEX * 4932256 KENDEQ0M FAX 6l737373CH krp-5000 Repeater shown with PA 100 Amplifier Transmitters - Receivers Repeaters Repeater Controllers

Mfj

Fledged weather maps on your printer, Ol her interesting FAX pictures can also be printed - such as some news photographs from wire services. Any Epson graphics compatible printer will print a wealth of interesting pictures and maps. Automatic syne and stop Jets you set it and leave it for no hassle printing. You can save FAX pictures and WEFAX maps to disk if your terminal program lets you save ASCII files to disk. Pictures and maps can be printed to screen in real time or from disfc on IBM...