Iron Powderferrjte Core

Each T37-2t T37-6, T50-2, T50-6, T68-2+ T68-6, FT37-43,1 37-61 50-43, FT50-61, 12.50 Postage Paid CK MO, (Catalog, large SASE), KA70JY Components, P.O. Box 3893, Logan UT84321 BNB995 disk sides over 200 Ham programs 16-95 29c stamp gets unusual software catatog of Utilities, Games, Adult and British Disks. Home-Spun Software, Box 1064-BB, Estero FL 33928. BNB917 PRINTED CIRCUIT BOARDS for projects in 73f Ham Radio, QST, ARRL Handbook List SASE, FAR Circuits, 18N640 Field Ct., Dundee IL60118-...

MFJ

989C 3KW Pt P An len na T une) 299 95 986 3KW PEP Antenna Tjnec 254 95 949D 300W Mtr DL Switcb Birr 134.95 207 HFSWR Analyzer 69.95 4 220 Keyer Paaoift Combiralion . 124.95 81fiB 1.8-30 MHz RMS PEP. 59.95 im CoIoj Fax. flTTY, CW. ASCII 149.95 1270T Turbo Multi-Mode Cnu 309.95 1274 Paekel Controls 143.95 247SWRAnalyzerW Freq Counter 169.95 2 23 2 3QW2M Amour Pre amp Jl 19.95 4 110 t0 100W JiOWHz Amo 324 95 2i70G 3 30-5 20W2M 440 -p 234.95

Circle On Reader Service Card

XiHrthtT tmriil infria program offri s ijpn*. ScrotEiJig log View all records hie Ittgbook * Spreadsheet-style tnput * 4 mirid timt clocks * Iambic memory keyer' 3 40wprti 9 mem. buffers* Macro keys Prog. Sn Standard & Famsworth Transparent opermiun Sw ad> tone * 200 yr Cakrtd& r DOS < ht EI * Custom colors * Contest mode report * Personal database * Hut keys for multiple auto entries Sl functions * On-scrcen Help CAT ton-iruJIcr * Prog- auto cntries plus country * DXCC. WAS & user...

Info

Saving On Ytwi, A cti, loom, Hy-Gtin, AAOCO, Etc. Al LT O Ham immt n Stoch. I Pricw. C-ish FOB Proel on Mort Sp*iOJS in HAW-ADS Lotfcng Iti Scnwlwg nol UsIbC* 70 Sti I S17 , Piemlon, Id- flU 2 5 52 -DB 30 Hour* Tu*.-AL 3-C - 9- W wtd - Clwd S*t 1 Sun. WJRFLE CABLE - IFTS MMDS - AmMttw TV Ullr High Gain 50db + Tutieublo l i) Eu .7 tihr. 36 Channel Dish System El49,95 20-Channel Dish System 124.95 i i r 11 Cuftimercial G kJ ftnlenn.i nor inmni A.- 50 OT m Vjgi tattnn Comport 5 CsnJwn 1 jmnq...

Fluke Multimeters

See penieier t t Alt Mcd*li Avol I obt* Ca IH Mo< je 35 El.19500 Model 7WI W55 00 lUladai (1,095.00 Modfll 77ll 145 0 Mofl& iii S79 95 hie eld Ii09jOD flS Kls 450 N iSpSfJSI S TS y 1 15V 1A AlMhfl M irad f< i1 i - jf nomj spur rin nii Fs lur i HnrL oftuit pfrtKliwi all Bufiplies I Ttutislm * S Dfld Maktt 1 r -< jjl iChMt pnjed

Qrp Cw Transceiver

- Single-signal receiver CW crystal ladder filler VFO tuning with vernier dial * VefyefieciiveAGC Selectable audio filler * -3 watts of RF output Semi break-in * Custom pra-painted. puncted & silkscreened cabinet * 100 comptete kit with instructions * Measures HWQ) 2V* * X m X 6 149 95 - 4.50shipping& handling Micton residents add 4 sales lax.

BNB

ROSS' S NEW May (ONLY) KENWOOD SM-220 369.90, TH-75A 349 99, TH-315A 299.90, TM-411A 319.99, ICOM 761 2099.90, 725 715.00, BG-50 30,00, BP62 33.90, YAESU SOI 139.99, 73RTT 265.90, NC15 69.99, SHURE 444D 58.90, 526T 74.90. ALLIANCE HD73 136 90, U105 51.90 ALL LIMITED TIME OFFER CALL OR SEND 2 STAMPS FOR MORE SPECIALS, LOOKING FOR SOMETHING NOT LISTED OR HARD TO FIND CALL OR WRITE. Over 9000 ham-related items in stock for immediate shipment. Mention ad. Prices cash, F,O.B. Preston. HOURS...

With Tec Film

Copy circuit pattern on TEC-200 film using any plain paper copier Iron film on to copper clad board Peei off film and etch convenient 8 V k 1J stze With Complete Instructions SATISFACTION GUARANTEED 5 Sheets for 3 95 10 Sh& ts only 55.95 add S 130 postage HY Re5. odd sales tax Dept, Q, P.O. Box 497 Northport. New York 1 1768 inibint m notii e . No la i o nviil TNT So-W to dir. 4a X. 17.1Z la TSTjC It No 4 -a 40* I 0, w> rt ott T hu Ja ruacr. DK Gill nu * franca R iJx t> Uw I Kint-rtoct...

ICOM

IC-765 Gen Co* Jtcirr PS Tuner CALL IC-751AGW Gov Xcvr tC'735G n Cov Xcvr lC-7 5Gen Cov Xcvr JC 2410VHF UHF45W 3SW iC 2 9> 1 bOVi FM IC-901 fiCerOpt tc tC iV A 2 M '440 HjrujneW Xcvr C ALL IC - P2 AT 2 SW U Hand he l X c vr CALL IC-2GAT 7W Hait tew RK CALL lC- SAA 2U HT w 50 fHi-905MHi Xcvf CALL KPC Pac < tet Conticiter 159 95

MAY

MANITOWOC Wl The Mancorad RC will sponsor a Ham Computer Fiea Market at the Manitowoc County Expo Ctr., intersection of Hwys 42-151 and -43 on Co. R. from 9 AM-3 30 PM. Set-up at 7 AM. VE Exams, all classes. Camping available via Manitowoc Co* Expo Ctr(414) 683-4378. Advance tickets 2, 3 at the door. 0 tables 5 with outlet* 3 without, Taik-in on 146,01 ,61, Contact via SASE to Mancorad RC., Box 204, Manitowoc Wl 54221-0204 or call (days) J 'John'' (414) 682-9151 (nights) low (414) 6822557....

Price Breakthru

2 YFAff WARPANTY V FJITF FOR F1 if CATALOG WE WH.L NOT BE U DER Oi.D UP'.- vilPPlNG -i STA It S URF5 -W n-in ill) ji 1245 ROSEWOOD OFFR-lRlD IL fAK KIQ- o-ocas - f70ai 5 1071 I Pa rt bis Real-Urns Oiflrtal Sldrflgn CJ liH scp p i VC-& D 4 - 50MH2 2 S _ 1.99 5 S 's if m Hitacfii lealur > ei fri de verging '.Jvjr Tiem ry. jmqoinirfl iilarpo juq1' pr triggpf)M Tieaiurc( ri5 The& e s opes- enas-t ncoit acc rjrt sm pWr G- Lervanon COH P wivt rr - ,. i - ana non i iLx h r iTii ns j ha'dc jpp...

Introductory

* EQUALIZE, NCTHiH USING EJCTREMELV HAHP DIGITAL i- professional audio tG bit AJD and tS wt dsa converters ' use spectfl m display io defjne adaptive filter a mouse dfiaww sketch tfjstantly heches a fplter FAST ON SCFIEEH SPECTRAL DISPLAY Of H CEIVERS OLJTPUl * supported pv POWERFUL sigsoft5* s f-twafle 30 DAY HONEY BACK GUARANTEE 2317 N.E lifflh VtancDuver. V y ' iW Ph. 2Di 25

Test Leads

The PK-88 is becoming one of the most widely used packet controllers in the world. In some areas, it is outselling its closest competitor by 10 to 1 With the built-in 18k byte maildrop, you can use it as a mini-BBS1' in your area, and even automatically forward and reverse-forward traffic wilh your local PBBS. Or, just use it as a packet controller to help you catch that rare DX on your local DX packet cluster. The PK-88 can be used with a dumb terminal or any computer with an RS-232 port and a...

Reviews

SWR analyzer will a buillnr frequency counter WA4BLC 38 LOGtc Jr. and LOGic II Vers. 2.1 Ham Logging Software Discover the versatility of a computerized logbook WA3USG Cover What's wrong with this picture The first person to write m with the correct answer gets a free year of 73. Drop a postcard to 73 Cover Question, 70 Route 202 North, Peterborough NH 03458. Cover photo by Kelly O'Delt. 46 OXpedltion Lessons from Peter I and Bouvet Islands Helpful hints for your next exotic radio operation...

Voice Activated

B single FC boari Fefl- es 00-5CWD H ac- li le rannE Mia K)-lur i v nnod uistiiin. bb'i Useful for lauch-tont rsi cciedion F K, fie. n alsc bf used & s asls- rone 5n cdi,r. Pjhs on 312 yo la. npleiekn.TD-t Voice activated swiich kit provides switched outpul with cyrrem capability Io 100 rnA. Can drive relays lighls. LED, or even a tape recorder motor Runs on 9 VDC. Mini-sized with professional periormance Solf-powered Irom phone line, transmits in FM broadcast band up to mile. Installs...

Circle Ok Header Service Card

DTMF muting Intetligenl iO'er AuiiELary outputs Easy to interface Alarm monitor input Tft4*m*1ry response lores Low powtr CMOS, 22ma (S. 1 V Del aifed application manual Programmable COS potaril-es Repeater & link Courtesy tor SyntKetJzed iin* remote Pas capjb P * DTMF muting Intetligenl iO'er AuiiELary outputs Easy to interface Alarm monitor input Tft4*m*1ry response lores Low powtr CMOS, 22ma (S. 1 V Del aifed application manual Programmable COS potaril-es Repeater & link Courtesy tor...

Tm

Contain* 540,000 US calls 30,000 Canadian cails No hard disk required Edit and print QSL cards & labels Export to ASCII Add your own addresses QSL Managers direct from DX calls Macintosh S00K 1 AM V& ft 9.95 HB Popup (TSR) M 9,95 WHamBase (For Windows 3.0 M9.95 HaniBase Canada * 19,95

Pi

We recently received a load of these PC boards which contain, among ol her things, a RF modulator. With a little cjesoldering yuu should be able to liberate a working unit from ihe board. Also contains 7B05T voltage regulator with a couple o( heatsinks, 20 fCs, capacitors, resistors, diodes and connectors. Mo hookup informal ion available on the modulator. CAT VMB-i

Print

1080 WPM WPM+ 1 GOSUB 1120 GOSUB 1180 RETURN 510 PRINT CHR 24) * CHR (25) to raise or lower tone, 1090 WPM - WPM-1 GOSUB 1120 GOSUB 1180 RETURN 520 PRINT CHR (27) * *i CHR (26) Jr for slower or faster code 530 PRINT Ctrl-Break to quit F9to pause. 11101 calculate element timings, units are clockticks, which are at 1B.2hz,

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 fiche have 98 pages each and will fit in a card file 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 mrcrofiche. is available as an entire set. (no partial sets) for S285 plus 5 for shipping (USA). Annual updates...

Way Radio Service Monitor

COM-3, the world's mosl popular low-cost service monitor For shops big or small, tne COM-3 dehors advanced capabilities tor a fantatsc pncti and our new lease program allows you to Own a COM-3 for less than 3.00 da . Features Direci entry keyboard with programmable memory * Audio & transm-tter frequency counter LED bar graph 1'equency error deviation display 0.1 -10.000 uV ouipui Fe eis -High receive sensitivity leas than 5 pV 100 KHz to 999.9995 M Hz Con ti nuous free ue t cy coverage...

Dealer

OPTOELECTRONICS model 1300 HM, 0-1300MHz 2300, 2210 Hh 0-2200 MHz, 2600H, UTC-3QDQ, 2810 Long-range Wireless Telephone Tor export in slock Media Mentors Amaieur Radio Course B NCH R PADDLES, BALUNS. LOW PASS FILTFRS IIX Towers, Antennas, Mobile Radio mounts stocked. Call Landnri tijle HT's JCOM ifpIS, VI00. U400 M AXON. MOTOROLA. YA SU FTH 200e 7 a UNID N REGENCY. KING. MARINE CQM M7. M700 MATIQNf I COM A21 M T . TAD

Micro Video Products

Santa Ana, California, zip 92704 FAX (714) 545 8041 C & S SALES, INC. 1245 Rosewood, Deorfield. II 60016 j 8j 541 -3800 . FAX 708-520-0085 WRITE FOR FREE CATALOG W WILL NOT BE UNDERSOLD T GXge modulate in step with the amplitude of the slowed-down video signal. Then that audio FIVT' signal is applied to the SSB transmitter, making it frequency modulate with the frequency of the audio, as described above. The result is that the transmitter's output frequency wiggles in...

Akk

A* 4C Co ere x ji meral ertlo- 310 GarfiekJ St.N Surte 4 * h *' jf Euoene OR974 2 w 1139.95 Orders 1*800-338-9058 Inlo 503-687-2118 _Fax 503-6872432____ - * AO bw*b ndwfcic t WARCsnmwf buf o-fccj uto no L > Grai to * c ncp * Lew sws - * AO bw*b ndwfcic t WARCsnmwf buf o-fccj uto no H takes a WHAMMIN' und keeps on HAMMIN' m North Anencu wtoct Wortfwife c rort OUTBACKER ANTENNA SAUS T N AERIALS 330 Cedir G en Grtfe w i,3 Yampi War Q' rtarwwL TN 37412 WSIetto* WJL 6155 AUSTRALIA The CW232 Is A...

FT

Outbacker Antennas w W5YI 1 J K Nye-Viking iCantroniCS M2 EN' Ramsey Kits telex hy-gain Bug Catcher 9500 Cedar Lake Ave., Suit- 100 Oklahoma City, Oklahoma 73114 Local & Info (405) 478-2866 FAX (405) 478-4202 Hours of Operation __ m< m i - ar. M-F10-6 10-3 1 ' . 1 1 The FT-5200 is the smallest dual-band transceiver made, and 1 can mount it anyplace

Jrc

MAIN OFFICE Akasaka Twin Tower (Main), Akasaka 2-chome, Minato-ku, Tokyo 107. JAPAN Tel. (03) 584-8836 Telex 242-5420 JRCTOK J IN U.SA 430 Park Avenue (2nd Floor), New York, NY 10022 Tel. (212)355-1180 FAX (212) 319-5227 Telex 961114 JAPAN RADIO NYK LOGic Jr. and LOGic II Vers. 2.1 Ham Logging Software Discover the versatility of a computerized logbook. Personal Database Applications 2616 Meadow Ridge Dr. DuluthGA 30136-6037 Telephone (404) 242-0887 Fax (404) 449-6687 Price Class LOGic Jr. 39...

Largest Stocking Ham Dealer Complete Repair Lab On Premises

Motors la. MAXON, Siandard. Yaesu. We serve municipalities, businesses, Civil Defense, e c. Portables, mobiles, bases, re-paaiers Technical help offered upon purchase MAIL ALL ORDERS TO BARRY ELECTRONICS CORP,, 512 BROADWAY, NEW Y0RKCITY, NY 10012 four blocks north of canal sr., between spring and broome st.) KITTY SAYS WE ARE NOWOPEN 7 DAYS A WEEK. Come to Barry's for the best buys in town

Rack And Chassis Boxes

CIRCLE 25 ON READER SERVICE CARD CIRCLE 167 ON READER SERVICE CARD Autopatch * Patch Re-encode Dialing * Reverse Patch * User Programmable CWID & Codes * Intelligent CWID * Remote Base 3 Auxiliary Outputs * Complete Interface * Control Rcvr Input * Programmable Taifbeeps * DB IF Decoder w muting Also - rc-100 basic repeater control w Remote Base * User Programmable w DTMF RC-10D0 Wired & Tested 239.95 Optional Enclosure 59.95 7069-G2 Taytorsvilte Road * Dayton, OH 45424

Bottom View

HOLE THROUGH BASE FQfi LUG FROM CKT B iVRD GND- CrRCUlT BOARD MaT'l COPPER slue UP Figure 2. Carve a 2-1 2 long by 2-1 4 wide by 1 deep cavity in the base to hold the circuit board and battery- Cut a paddle spacer from the same hardwood material to the dimensions shown in Figure 2, Cut two paddies from circuit board material to the size and shape shown in Figure 3. Drill two holes in each paddle to match up with the two holes in the spacer block, then use a file or belt sander to round the...

Mastering The Morse Code

This book teaches the beginner how to learn the Mo rsa C ode. S ome o J th e lopi es covered a re Ru les for practicing the Morse Code, ths code alphabet, how to send and receive code, how to build and hook up a code practice oscillator 32 paces. CODE PRACTICE OSCILLATOR & MONITOR IN KIT FORM OR WIRED A solid-etat code practice oscillator ard monitor that uses the latest IC circuitry It contains a 3 built-in spe kar. headphone terminals, a volume conlrol and a tone control. It is a...

Test Equipment

7elLi cti i VHS hflfd l da*lKtNt CODW four IBM PGftTfl caiupiliWt unpi fi Lila i tainw ligitoi CapacHanc M t r B CSH5S0B VU tjlr I. JL Zf jE TC- rCTl1'jl Ca fl Ctftt liiH 30CH Capt pl- OSuf R fl) 0K Mulfim l r wttfi Cqpo< i1antt A fbuj VcjH . Ohr-5 Cuwiint. Capacilofi, Tp jn-sislqd f rd

SB

The easy way is to use a PC board and follow the component placement drawing in Figure 2. As you position each part on the board, double-check its value and electrical location against the circuit diagram in Figure 1. In any case, the circuit is non-critical, and can be built breadboard style and housed in anything you like. The circuit board is cut to slide into the groove in the side of the cabinet. The telephone headset (speaker) is located at one end of the cabinet, hot-glued in place. The...

Model G

All m *W m (nan-rplrl are linear, all-made withi fully automatic T R switching and PTT capability. The receive preamps use GaAs FET devices rated at +5 dB NF with +18 dBm 3rd order IP. IF A. Standard and HPA amps are intermittent duly design suitable lor base and mobile operation, Repeater amps are continuous duty class C, Amplifier capabilities High-power, nmm or wideband 100-200 Mi 225-400 NIHt 1-2 GHz, Military (28VI, Commerciatr etc, - consult factory. A compete line of Rx prcamps also...

Aps

Gain & Wave 146MHz m If* wave 445NIKZ 2.15 B Va wave Max Power 50 watts Lenglii 12 Connector UHF (PL-269), OR NH im NMO) 2M-70cm DUPLEXERS M m Coni1s w'Leads Power 146MHz SDDW CF-41 BUK All UHF Conns w 0 leads 446MHz 5 0 0W (Ml 6-0I OiTId, but 440 I n put Turn your old ham and computer gear into cash now. Sure, you can wait tor a hamfest to try and dump it, but you know you'll get a far more realistic price if you have it out where 100,000 active ham potential buyers can see it than the few...

Trunk Mount

FM bfOOdCGSl aircraft, 137-550 MHz rtqrrttw FM Stereo FM broodcas avattaoie. 2 speokefs necuiteo FM bfOOdCGSl aircraft, 137-550 MHz rtqrrttw FM Stereo FM broodcas avattaoie. 2 speokefs necuiteo Transceiver and band units are linked to the control panel by a single thin fiberoptic strand no awkward cables, protects against interference from the car engine. Full Duplex & Cross Bond Repeat While operating on one band, monitor or scan a second, Both are clearly displayed on the front panel....

Special Event Stations

BAKER, CA The Ancient and Honorable Order Of E Clampus Vitus, Billy Holcomb Chapter ARC will operate a special event station KC6LUC from 1 OOZ-O40O2 to comme mora re ''The Historical Chicago to Los Angeles Rout 66 h Operations will be in the General 40, 20, 15 and the Novice portion of 10 meters. For a certificate, send QSL and SASE to ECV ARC, 1458 Albright Ave., Up-fand, CA. 91786 MEMPHIS, TN The Mid-South ARA will operate W4 M May 2 130 Z-05002 May 3 to celebrate Memphis in May International...

Cd

- B & W BENCHER BUTTERNUT CUSHCRAFT * DIAMOND HUSTLER HYGAIN ICOM - KANTRONICS Figure 1. Construction details of the LPDA antenna, Note that the feedpoint is located l in in front of the shortest element pair. tion. Cut off the excess boom material, about 1 4 behind the longest element, and 1 4 in front of the feedpoint. Assemble the iwo boom sections together with nylon hardware and sufficient washers to provide the specified gap. The two halves must be insulated from each other, as they...

Wzf

Amazing new high performance an term a only .003 thick virtual disappears on your car w i n do w. Used for u ndt reo vc r s u rve i 11 un c e by law enforcement agencies---now available to the general public Lor the first time _ J. . j . - ____ ______-j ,1 -J.-. . Wide bandwidth SWR tes < h, 1.5 1 over .feenfi* t * Sdf adhesive ditf l s icks to .ny S co - Printed TVifc vehicle protected by alarm, aame pntifii JO taj moirtj back guorqnteft j year manuf ctnrer warrant* - UPS shipping in US...

Cercle G On Reader Service Card

AMSATHas Established Amateur Radio As a Permanent Resident in Space From operating any of 12 Amateur satellites circling the globe today to participating in Amateur Radio activities from the Space Shuttle, the benefits of space based Amateur Radio are available to you by becoming an AMSAT member. Our volunteers design, build and launch state-of-the-art satelites for use by Radio Amateurs the world over. We provide educational programs that teach our young people about space and Amateur Radio-...

Circle On Reader Service Caro

Thought you cou dnft attord really good QSLs7 These high quality RAISED PRINTED cards can be in your hands for only 4c each1 Your choice of 4 colors of 67 lb Bristol stock Gray, Yellow, Blue, Ivory. We print in blue ink in the format shown, if you don't want the slate outline, we can remove ft and make the callsign larger to balance ihe card. NO EXTRA CHARGE for ARRL togo. or extra wording if we have the room Order with confidence, these are the best value in Ham Radio today Your satisfaction...

Vhf Uhf Microwave Products For

ATV LINEAR POWER AMP L IF f ER S PREAMPS VIDEO SAMPLER PA Bricks on P.C. Boards 25.00 to 150.00 Power Amplifiers 2 meters thru 12 GHz (23cm) Outputs 1.5W 7W 0W 35W SOW 55 to 179 ATV Samplers (video) Use with video monitor and scope. Uses N connectors. Can be used thru 1,2GHz. with very low oss. A meter is included which gives a relative output level. This unit beats an on the air report. Three models to choose from, PREAMPS especially designed for low noise and moderate gain. 144MHz thru...

Special Features

SOLID STATE ELECTftONlCALiy REGULATED FOLD-BACK CURRENT LIMITING Protects P w f Supply from excessive current & continuous shorted output * CROWBAR OVER VOLTAGE PROTECTION on ail Models apt RS-3A, RS-4A. RS-5A RS 4L. RS-5L MAINTAIN REGULATION & LOW RIPPLE at tow line input Vottage * HEAVY DUTY HEAT SINK * CHASSIS MOUNT FUSE THREE CONDUCTOR POWER CORD except for RS-3A - ONE YEAR WARRANTY - MADE IN U,SA

Fscan

8F CABLE S.00 SPEAKER 7.00 MICS 10.00 GEEtECHi 138-155MH ,40 WATT, DRAWERUNIT ONLY. 45.00EACH WITH ACC, 115,00 EACH. GE EXEC Ili 42-50 M Hi. 50 WATT, DRAWER UNIT ONLY, 65.0O EACH WITH ACC, GROUP 110.00 PORTABLES, STANDARD HX-300.ZCHAN, 132-144 MHZ& 75J 0 EACJi SO-MOT MICORS T74RTA 3BQ3BASF11 AU ACC- AS S 165.00 EACH. 00 5 Word S fiss, 30 Port able wftti charges. 139-150 MHz 1115-00 MT 500 HE 150-160.4P TONE, 1 SET ELEMENTS, AS IS 90.00 CALL OR WHITE FOfl CUltEE fT FLY H- ALL SALES CASH OR...

Fast Scan

Cstmeltl* Ptjj Ikl for HF Dumfatd uhimgHSAL DIG3TAL FftfquEKCY, in th* MOTOROLA Bulletin* TK-1 AN751 J DOW (160.70 E 063 140W I Sf .55 AM76 1MW A3.JS E M MOW ll l HSAT SINK MATERIAL iiimi pw ft Mr7f EB1M 400 W JUl.lS ANiiiH 2BW 4 H3 1 AH30S 308W I5W.57 Model SO Hut infc fr.Stl2j t 3J 00 33CM AR313 jOCW 1404.00 CHS-ft Capptr 4) 114.00 WEWM UC WATT J-SQ MHi AmpUli We to lAck Hard-te-Find pwH AMATEUft TELEVISION C-ON VER TEAS POWER 5PLlTTlft nd COMBINERS , A TV J 420-4S0 M4-SS Kil 1 - JOMHi M E TA...

Speed Radar

Ew foW'Cost microwave Doppler sdariih 'ctocks cars, plains boats, yrses. bikes or any large moving Obel Operates at 2.S GHz with up to < 4 mile range LED digital readout is plays speed in miles per hour, k o-lelers per hour or feet per second phone tpiitaflows foi listening 1o tual doppler shift. Useslwo 1-Jb col- e tang 1or anlenna (not included) id runs on T2 VDC. Easy 10 bu Id I microwave ciryuilry is PC striphne BS plaslic case with speedy graphs for a professional look. A very use-il an...

Ma Edgewise Panel Meter

Used in many projects. 200 A movement 0-1 scaPa Two ear flanges with botes for mounting Measures 1 1 2 W x 7 6H x 1 1 2,bD. Appro*. 1 7 8 mounting centers 3< 75 Perfect for ham equipment, OB'S, tar ste 3C'& and other VDC items. LED on indicator, short circuit protection. Binding post output.

Fkk

Details of the mirror mount loon covered more than 60 miles in the 45 minute ascent (average ground speed of 80 mpft , the targe balloon capable o1 reaching 100,000 feet n ai titude would ve dropped the payJoacJ some 160 miles downrange (right in the middle ol Lake Michiganf). Since the balloon burst somewhat sooner ttian expected, most members of the chase team were too far down-range. Through triangulate of beam headings and by watching for landmarks on the video signal (a large...

Supersleuth

A super se ns.it ive amplifier which will pick up a pin drop at 15 feet Groat for mo.ii-tormg baby's room or as general purpose amplifier. Futl 2W rms ouipui. Runs on e to 15 volts, uses 3< 45 ohm speafcer. BN'9 kit E5 95 Very popular sensitive all-purpose pre amp. ideal lor scanner, TVs, VHF UHF rigs, counters Lo noise, 20 dB gain. 100 kHz-l GHz, 9V-12 VDC 0p-sralion.

Circle On Reader Sepvce Card

* Portable Receivers t Scanners I Amateur HF Transceivers I VHF-UHF Transceivers k HT's and Mobiles I Amateur and SWL Antennas I Accessories and Parts > RTTY and FAX Equipment * Books and Manuals This catalog includes prices 6830 Americana Pkwy, 73 Reynoldsburg, OH 43068

Active Antenna

Buiid your own mini ham station Sensitive all-mode am, cw, SSB receivers gee dined conversion design with NE6Q2 IC as featured in QST and arrl handbooks. Very sensitive varactor tuned over entire band. Plenty oi speaker volume, Runs en 9V battery. Very EASY io buifd, lots oi lun and educational ideal lor beginner Of old pro, New 30-page manual. Add Ihe case set for well-fitted professional look. Your choice of bands 29.95 (Specify band HR-20, HR-30r Hl 40. Hfl-60) Matching case a knot)sel, CHR...

Aircraft Rcvr

Fantastic receiver thai enures the wcrtd wilh Just a 12 antenn a' Can rece ive any 2 MHz portion trom J -11 MHz. True suparhe has smooth varador tuning. AGC. RFgain control, plenty of speaker volume and runs on a 9V baitery. Fascinating Scout, sctwol or club project provides hours ol fur> for even the most serious DXer. For Ihe car. consider our shortwave converter. Two gwitchabie bands flS 3-22 MH range), each i MHi wide lunablc on your car radio dial. Add some interest to your < Jrive...

RS

A blank PC board is available for 3 + S1.50 shipping from FAR Circuits, 10N64O Field Court. Dundee IL 60118. the transistor turns off. Without this diode the transistor has a short life found that a perfboard and point-to-point wiring was a good way to construct this circuit. Ed. note An etched and drilled PC board is also available A hacksaw and a file trimmed my perfboard scrap to fn inside the metal box easily, I drilled holes in the box and the periboard for mounting standoffs before...

Printed Circuit Boards

No camera or dark room are required. All materials, even 4 drills, along with simple instructions to use magazine or other types of artwork are included. All 6 4x6' boards are precoated with a strong easy to use dry film photoresist For FREE simple, step by step, instructions and catalog or to order call or write Solder World, Dept, M4, 9555 Owensmouth Ave. 14, Chatsworth, CA 91311. (81 ) 998-0627 Fax (818) 709-2605

Ultra High Sensitivity

These new models are the most sensitive counters yet. A bright LED BAR GRAPH functions as a signal strength indicator. Very useful for testing, adjusting, repairing or locating RF devices. These are simpiy the best portable RF counters available today SUB-COMPACT PORTABLE INSTRUMENTS FOR THE COMMUNICATIONS PROFESSIONAL, HAM OR HOBBYiST WITH ADDED FEATURES & PERFORMANCE Our low power design yields 3 to 5 hours portable operation from the high capacity internal NJ-CAD batteries, (Standard in...

Plug

Figure 11 Schematic diagram. 20 73 Amateur Radio Today May, 1992 made up of gates CM and The self-completing function is accomplished when the output of gate (pin 10) goes low, holding the dit input circuitry low for the time duration of the dit. The positive output at pin il 1 of gate ) passes through D2, turning on Q1 to activate the keyed output during the dit period. The 4tdah (right) paddie circuit operates in a similar manner, with the positive output at pin 4 of gate B passing through...

All Models In Stock We Ship

398 NE 38th St., FL LauderdaJe, Fl 33334 5000 REM - process characters from COM Port 5060 IF EOF(1) THEN RETURN 5070 C C fINPUT (LOC(1 )h 1) 50801FI N TR(C 0 THEN GOTO 5060 semicolon meansend-of-data 5090 L 1 C C C -U 1 Set L-1 and put the data in Cl 5110 RETURN f for later use. Control commands are sent to the radio by means of the BASIC PRINT statement. The following subroutine asks the user to enter a radio command and then, at Hne 8060, sends the command to the radio. Line 8060 takes the...

Down East Microwave

Bill Olson, W3HQT Box 2310, RRt Troy, ME 04907 IT'S A SNAP WITH THE ELEGANTLY SIMPLE MORSE TUTOR ADVANCED EDITION FOR BEGINNERS TO EXPERTS AND BEYOND Mm* Code teaching software from GGTE le the most popular In the work and lor good reason. You'll loam quickest with the most modem teaching methods Including Pameworth or standard code, on-acreen fluhcirds, fandom characters, words and triltkma of conversation* guaranteed to contain every required eharactef every time In 12 eaay leaaons. Sneak...

Inline Preamp

CGR-4 kit Complete COR and CWID all on one board for easy construction. CMOS logic for low power consumption. Many new features, EPROM prog rarn med specify cal I kit 99 , w t 159 GaAs FET Preamp with features similar to LNG series, except automatically switches out of line during transmit. Use with base or mobile transceivers up to 25W, Tower mounting brackets incl. *Sp ity tuning range 120-175, 200-240, or 400-600 MHz.

If Mode Then Print

6260 IF MODE 6 THEN PRINT FSK 6310 F FUNC-0 THEN PRINT VFO A 6330 IF FUNC 2 THEN PRINT Memory * PRINT If the above program lines arc combined, you have a complete BASIC program (hat can control your Kenwood radio. You will need to choose the proper communications port number (1 or 2) in lines 100, 510 and 520* When you run the program, press the F3 key and you will be prompted to enter a radio command. First try the ID command. You should see a line displayed on your computer display which is...

U

ItBht, luiII* 31 Hto nrlttU i it ( Many hams have selected LOGic for its many unique features, high quality, reliability, reasonable price, and superb support, LOGic version 2.12 features easy online tracking for any award, including 1010, WPXt and grid-squares, Muftitasks under Windows 3 or DesqView* LOGic JI now features optional QSL route database with automatic cross-refer* ence integration with HamBase and SAM ''call book databases automatic county logging from the J-Comm county...

Creative Control Products

CO ft1504 JO434-3405 * Written especially for the ham rad* opereK* * Hundfetfs d phases * Vol. 1-ind. Frentfi, Spanish German .apaneie. PdWi * YoJ. 2- P iftcl. Swdisn, Ital an. Portuguese. Croatianr Nwwegiai Vol. 3 iixl Russian. Danuh, Ciw*. Korean. Hawaii ONLY S10 Sert lOp*x> in US (MM US m5Gpervd. ROSE, P.O. Box 796h M ndelein, IL 60060-0796

Get The Atv

Value + Quality from over 25years in ATV ,W60RG With our all in one box TC70-1d, 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 the composite video and audio into the front VHS 10 pin or rear phono jacks. Add 70cm antenna, coax, 13.8 Vdc and TV set and you are on the air - it's that easy TC7CM d has 1.5 Watt p.e.p. with one xtal on 439.25,434,0 or 426.25 MHz & properly matches Mirage...

R

Schematic diagram for dynamic component tester. ter tap to either end. Resistors R1 (50 ohm, 1 watt) and R2 (10k ohm, 1 4 watt) limit the maximum current which can be obtained from Tl on the low and high range respectively, and create the voltage drop which is fed to the scope vertical amplifier via JI to display current. Note that the parts list shows two 100 ohm resistors for R1 this is hecause Radio Shack doesn't stock a 50 ohm, watt resistor, so we make our own by connecting two...

Sunlight Energy Systems

Emergency Operations Center has expanded to our new two acre facifity and World Headquarters. Because of our growth, GEi is now your one stop source for emergency response equipment When you have a command, control orcommunications need, essential emergency supplies can be ru shed to you by CEi. As always, for over twenty three years, we're ready, wilting and abfe to help. For 1992, we're introducing new products from Uniden, Shinwa, Cobra, Ranger Communications, Grundig,...

Disconnected Dikconhfctfd

Pl> mu*M xt> Lob, Rat urn , hm g a , Citac * Of f Heading 323 LG3n Return 32 202a Hi 9426 See entry JOHN FflRflQIT. U4FR J FOH 51. 7 SUFFOLK. Ufl 343S C changes,. U captes to Uia, ft copies to addr, sp4ce> For < JHL screen. Display tuf enmd inflf recardn Load UFO Men file Sutisct pjtd n 4. Motes keva uhile Uf a in Ad ina Switch screens f1(ld res3 or ( hanging _ Photo 8. LOGic runs under Windows or DesqView. Here LOGic is being run under Windows 3, simultaneously with an...

Code Tapes

Satellite Anthology The late infonnaiHia m OSCARi 9 Ihrou i IJ as well ** the R5 aictlJta I Ii'Ittuikii on Ihe use of digital modes, irvlin amen IUS. RUDAK. miawomputCT. md nwrr' AR it W Space Almanac h Auko** R f*mi JUA.IA CjptMn ihe bruathtjlin iccert nc* frifti pace lnduin nfcmdkn on Aautrui Kadk> iad-lift Hrnd aiTTih t everyihmp abcul man's tnfi to rhi- AR2D83 Complete DX er 2nd edj N BobMrf HVAVV Learn how to bind DX and abum hard lo-jsi OSLcanb S12.00 AR OCi AHflL Antenna Booh Tit rr*...

King Kx

udwig ANT, Products FLUKE 77n 83,85, AT Multinlrtera Landnri tijle HT's JCOM ifpIS, VI00. U400 M AXON. MOTOROLA. YA SU FTH 200e 7 a UNID N REGENCY. KING. MARINE CQM M7. M700 MATIQNf I COM A21 M T . TAD Simplex Aulopaich SDI-50 Will Paich FM Transceiver To Your Telephone. Great For Telephone Calls From mobile To Base. Simple To use. SDl-50 TUNERS STOCKED NYE MBV-A 3 Kiiowatt Tuner

Rf

1320 GRAND AVENUE 16 SAN MARCOS, CA 92069 New from jCom is a series of almost invisible antennas for VHP and UHF, The Steaith Antenna is a tiny 3.5 square of 0.003' thick copper-clad polymide coated with a non-corrosive graphite colored coating which adheres to the inside of a car windshield. It looks so much like a decal that it is even available with an optional printed warning symbol to deter would-be thieves and vandals. Thieves in search of a an expensive transceiver to steal are less...

Bnc

Extremely compact size. Continuous coverage Attenuation Programmable by Channel Manual tuning knob. AM, FM, wide band FM, LSB, USB, CW modes. 4 Scan and Search Banks, I,ockout in Search. RS232 control through DB25 connector, Delay, Hold Features. 15 band pass filters, GaAsFET RF amp. Sleep and Alarm Features- AC adaptor charger. DC power cord. Teiescopic Antenna, External Speaker. Mobile Mount, Extended Warranty. 2 3 yrs. Mobile Mounting Bracket. RS232 Control...

Kab

GeierKBWM 73 Magazine Forest Rd. Hancock NH 03449 Welt, I knew 1 was opening a can of worms when I started the topics of modulation and receivers. Folks, the definition of what is going on in modulation has always been somewhat controversial. John WR0W wrote to take me to task on several issues. He points out that ihe math can be shown to prove that in AM, the carrier does in fact change amplitude, and also that it does not It atl depends upon how you iookat it. Physically, the same...

Shift

Mounting bracket, DC cable, fuses, MC-44DM multi-function DTMF mic. DRU-1 Digital Recording Unit DTU-2 DTSS unit IF-20 Interface unit, used with the RC-20, allows more than two transceivers to be remotely controlled MA-700 2m 70cm dual band antenna with duplexer (mount not supplied)* MB-201 Extra mounting bracket MC-44 Multi-function hand microphone MC-55 (8-pin) Mobile mic. with time-out timer MC-60A, MC-80, MC-85 Base station mics. PG-2N Extra DC cable PG-3B DC line...

New Stuff

AR.129J Now You're Talking Discover the World ol Ham Radio Sukckoc to the nnnfiHHs popu r fitftc rft r r World ttvii Ham fbidio. Cover* everything y j need to to earn your fun Amateur r jm Iktibc more tun * aid jidr, thu thill help idcct cqurpmcn for juur lum raho sution jnd cipLim hem to set it evcrythrog you'll need u> knew lo pel un ihc air An ARRL P ihlinkA fit, AR3292 Your IrjftuductKin to Morse Code Practice Cassettes Compnivtt code course la Now fa* tr fiJiw.'' ihit kit includes two 90...

Bps

7,2v 750mah 7.2v lOOOmah 12v BOOrnah TNR The Battery Store 279 Douglas Ave., Suite 1112 Altamonte Springs, FL 32714 1-800*346-0601 lL-rVipc , 1 s. ' For a limited time, if you order PC HF FAX 99 (see aur other ad in this issue), you can add PC SWL for only 20 instead of cur regular low price of 89.00- PC SWL contains the hardware, software, instructions and frequency lists needed to allow you to receive a vast variety of digital broadcasts transmitted ever shortwave radio. AH you need is any...

Lcd

I2oz wt 100 Channels. Low, Air, High, UHF & 800MHz. Extremely compact size-Unrestricted 800MHz coverage. - 100 channels permanent memory. Earphone Jack & Attenuator. Delay, Hold features* 5 Scan Banks, 5 Search Banks. - Telescopic and Flexible Antennas w BNC connector. - AC & DC Power cords w mtrvg hardware, One Year Limited Warranty. 25 to 1000MHz w 50'coax. Mag Mnt Mobile Antenna. 15 coax. Cigarette Lighter power adaptor. External Speaker with mobile mount....

Arrlbooks

AJilWI ARRL 1332 Handbook (BBtti ed.) 39 chaplerv featuring lable*. fi urti jnd iharti. Thc riaird OWiprrifcftHve, well organized and aJTc fd-able .njrLf of amaleuf i1ki reference mjiLTi J 12*2 fMECi tiS.M AftHfcb ARRL Opening Manual Pactal with informant on hi Li> rn+ke thi tKS Uat of YOur jtififid. including interE citi home compuierc. OSCAR. VHF-UHF, cntoi i itTJO ARGIW Antenna Compendium Voh 1 Maicnh an vrnicah. quads. loaf . reduced um anten nts, tttUuu, Smrth (Tuns, antenna poJarurion....

Bugcatcher

Hi Q aEr-wo und coiJs Minimum SWR excellent performance on alJ HF bands Easy assembty to meet almost any configuration Fits standard 3 -24 SAE mounts Various length base masts & wiiips avaitabte Henry Aden WB5TYD 214-338 4724 S am-4 pm weekdays JJ 903-527-4163 evenings & weekends G LA Systems PO Box 425 Caddo Mills, TX 75135 The first VHF UHF Tribander with gain GAIN 146 MHz 2*15dB 222 MHz 3.2dfl 446 MHz S dB Designed for use with the Kenwood TM-741A and com IC-901A

Speech Scrambler

Communicate in tulal privacy over pl> one or radio. Kil features full duple* operation using Irequency inversion. Both mike and speaker or line Intoufl conned ions. Hasy hookup to any radio, and telephone use requires no direct connection Easy to bu-ld 2 fC circuit. Can also be used lo descramble many 2-way radio signals. Finish your kii off with the handsome case & knob set, SS-7 Matchi ng case 4 k nob set, CSS 12 95

Synthesizedno Crystals

Ramsey breaks the price Carrier on FM rigs The FX is ir eal fir snath, portable or mobile. The wide frequency coverage and programmable repealer splits makes the FX the peri'eel rig for Amateur, CAP or MARS applicaiions. Racketeers realfy appreciate the dedicated packct port, TRUE-FM ' stgnal and almost instant TJR switching High speed packet . .No problem. Twelve diode programmed channels, 5W FlF output, sensitive duel conversion receiver and proven EASY assembly. Why pay rnore for a used...

Helical Resonator Preamps

GaAs FET preamps with 3 or 4 section heJical resonators reduce intermod & cross-band interference in critical aopli-cations. MODEL HRG-(*), 80 vhf, 110 uhi. < Specify tuning rpngc 142-150, 150-lG2r 162-174. 213-233, 420-470 MHz. HIGH PERFORMANCE XMTRS & RCVRS FOR REPEATERS, AF & DIGITAL LINKS. TELEMETRY, ET< TD'2 TOUCH-TONE DECODER CONTROLLER kit. Full 16 dtgfts, with toil-call restrictor, programmable, Can turn 5 functions on Off. Great for selective casing, too kit 39, wired...

Ar

AM, FM, wide band FM, & BFO for SSB, CW, 64 Scan Banks. 16 Search Banks. Includes AC DC pwr crd, Antenna, Mntng Brckt. One Year Liiriited Warranty. External Speaker. Mobile Mount. Extended Warranty. 2 3 yrs. Mobiie Mounting Bracket. RS232 Control Package EF200 2,00 MSI90 19.50 65 75 MM 14.90 5CS2 295.00 software & cable) offers spectrum display and database. 1 MHz - 1500MHz .35uV NFM, l.OuV WFM, L0AM SSB CW

Decharging System

Automatically stops discharge at proper level, then balances and & qualize ce voltages For AAA, AA, C, & D groupings, or Ni Cad packs which are between 70 MaH end 1200 MaK Mobile radios,phones, RC hobby, cordless tools, etc, alf use Ni-Cads,., gefem back in shape with Ready-Pak JrJ comes with 3 connection systems AlHoator clips, 9v bottery mcp. and Acflustabi Velcro system to fit ail x< *h ver and ceHufar flat pocki, r ) j

Books For Beginners

2 N01B Technician Class License Manual Mew No-Code by Cordon Hrti This htHjk will cover everything yu ncnJ become a Technician Ct > Ham. E very ciacl quc tN m and answer on Ehe e.tjrnirh -lion ii found in iln- hikl covcritlji eletTKlH 2 and element 3 A question poois, GonJon West tells you the righi answer ind then explains in dciail why die answer 15 coriect Tu I y 11 lust rated reit. I re< ue ney chart sho 1 -i n y. pri v i Ic i.- list of eXMm iruzr- .j nd an FCC Form fi 10 applicant S...

RETURN

960 produce elemental sounds, or silences. lOfi HATZk * n Lt w *f ** w J3U L*iFl 1 rt a1 p n p j j a j j + 970 SOUND SILDIT RETURN ' element space 900 SOUND SILELE*2 RETURN ' character space, allow for previous trailing 410 DATA HA, B, *Q ' F, G, H 990 SOUND S L,ELE*6 RETURN f word space, allow for trailing. 1000 SOUND FnDIT GOSUB 970 RETURN ' dit 430 DATA sNf P *Q S T 1010 SOUND FnDAH GOSUB 970 RETURN ' dah 440 DATA *V Wt X, Y, Z* 450 DATA 0, '2 3 J'4 J'5 1050 F - F 1,104 GOSUB 1180 RETURN

Frequency Counters

CT-90 3 DIGIT600 MHz CT-125 9DIGITI.2GHz Ramsoy Electronics has Seen marvjlactunng electron tesi gear tor over 10 yea's and is recognized for ite lab quality products at breakthrough prices. All of our counters carry a full one-year warranty on parts HrtrJ lafcor We lake great pride in being ihe largest manuiaduref of iow-cosi counters in ihe enlire U.S.A. Compare specifications. Ourcounters are full featured, from audio to UhF, with FEY high impedance input, proper wave snapmg circuity. anil...

Shortwa Ve

I0F09I 1992 International Callbook The new 1992 internal tonal CaEI-book lists 500.000 licensed radio amateurs in the countries outside North America, it covers South America, Europe, Africa, Asia, and the Pacific area (exclusive of Hawaii and the l .5. possessions). S29.95 I0D091 1992 North American Callbook The 1992 North American CalLbook lists the calls, names, and address information for over 500,000 licensed radio amateur* in all countries Of North America, Irom Panama to Canada incEudmg...

Moul Rd Hilton Ny

Phone 716-392-9430 - Fax7is 3a2 s420 If you always thought a microprocessor-controlled repeater had to be expensive, LOOK AGAIN You could easily spend this much just for a controller. at a fraction of the cost of comparable units A premium repeater with autopatch and many versatile dtmf control features at less than many charge for a bare-bones repeatert We don't skimp on rf modules, either Check the features on Fit44 Receiver, for instance GaAs FET front-end, helical resonators, sharp crystal...

Sm

AK2626 Companion Software for Antenna Compendium Vol. 2 SI .4 MS DOS floppy. IHJ-00 AR04HH WIFB'e Antenna Notebook Doug De ta* W'lFft f3ci he ben perfonnance oui of unobtrusive wire iftlercm -irul verticals. Uuiltt Tuners, and SWA bridges, AR034K ORP Notebook by Doug DtMaw WlfE Present cuculruelkm project for ihe QRP operator, Irom a simple I u-hh urystil controlled transminer to more complex tTlMtfeiva' dewftnt i .SO AR4UI W1FB ( Design Notebook by Doug Ik Ma* W II H Tli -. plain language bonk...

Amateur Center

PROMPT.'DEPENDA3LE S E R V C Z back-Up We don l jus advertise it WE GIVE IT1 In 1937, Stan Burgharcfi (W0 T), because of his intense interest in amateur radio, began selling and servicing amateur radio equipment in conjunction with his radio parts business We stand proud ot this long-lasting tradition of Honest Dealing, Quality Products and Dependable S-E-R-V-t-C-Et Above alt, we fuHy intend to carry on this proud tradition with even more new product lines plus the same fair treatment you've...

Dual Band

146 446 MHZ No Tuning Required 18 inches Tall, All Black Noiseless Spring Preserves the sleek look of your vehicle Performance Equals or exceeds a 578 wave on VHF or Collinear on UHF 29.95 + shipping Accessories Available 30 Day money back guarantee We like this antenna and the way it operates so wen, that we are willing to offer a warranty that is almost unheard of in tine amateur radio market today. If in the first 30 days you are not satisfied with ihe way this antenna operates, mtum the...

Meter Walkie

Yaesu USA 17210 Edwards Road Cerritos CA 90701 (213)404-2700 Price Class 330- 350 Yaesu's new FT-26 is the successor to the company's venerable FT-23R series. It's an attractive little walkie that follows today's trend of making the cases thicker while reducing jhe other dimensions. Its rounded, sculpted shape feets good and fits nicely in my hand. Although Yaesu's ads show the FT-26 with is standard 7,2-volt battery, the review unit was shipped with the optional 12-volt battery, making it...

Grv Antenna

Tne G& HV MULT I BANDER arflltinnii l ar1PMi0il9Bl yll b,ni- i 5 MH j 10 floE di lfi On i fi M'lz hr.c Hiienna Tray te u ed dos- u Mar-cori lypj.- dnitrinu u'iu wd Wllh i LunCr uiid -yoixt i> .i h (jriiiji ii The proper compmaHon oJ a 10 lool flal-rns 31 laet cl 300 ohm t< t winlsad ir& nshnliaslar Firty 6h)t vi> 3 r yortanc on ilime iniaiieijf osniia Irnir fiO lnrpugh 10 melerj ivilti umy one antenna The e Ij no ioss n Irjp and CC Is Tfie irripedanCC1 pjasorl JP Ih0 L-nd Or (hil...

Microwave Transverters

SHF1240 Complete Trans verier SHF SYSTEMS Nc ti> ne lineartrarisvorteisandtfarisvertorkiis far 902, 1269.1296, 2304, 2400,3456 MHz. All use 2m jJ.9i3.OV. K s include mixer and LO. P.C. boards, xiaJ and all components- Built units include I.F D.C. switctiboard, amnectois and compact law prolile housing. Other iiequency options in amateur band available SHF HWt 902-W& HH7 SOfliW uill 265 SHF 1240K 1296-1300 UHi 10mW SHF1269K 126A> 12720bvML lOmW SHF2304K 2304-23MMHX 1AmW SHF2401K 2400 MHz...

Blb

Back light & Iwo step audible signal level indicator 75 CC30 Carry Case 1i TAIOOS Telescoping Whip Antenna 1 (305)771-2050 FAX(305) 2052 5821 NE 14th Ave. Ft. Lauderdale, FL 33334 Wideband performance in a small package. 1 wanted an antenna for backpacking that would be very portable* very small, have high gain, a good f b ratio, and cover the whole 2rn band. Not a small wish list Consulting my trusty ARRL Antenna Book, 1 experimented with quads (too bulky and fragile), verticals ground...

Kenwood Usa Corporation

COMMUNICATIONS & TEST EQUIPMENT GROUP PO BOX 22745.2201 E Dominguez Street Long Beach. CA 90801-5745 KENWOOD ELECTRONICS CANADA INC P.O. BOX 1075.959 Gana Court Mississauga. Ontario. Canada L4T 4C2 Here are yourSnew mobile companions at your service whenever you're on the road Their compact size makes installation a snap, and the remote control options allow you to customize your installation for that professional look Wide band receiver coverage. The TM-241A receives from 118-173.995 MHz....

Amateur Radio Engineering

A.R.E. has introduced a new external speaker, plus a 2- to 4-digit DTMF decoder, for use with VHP UHF radios. The Silencer (Model ARE-10) is user-programmabie for a DTMF code which enables (opens) the speaker for approximate 10seconds when the proper tone is received. When he correct code is received an LED lights on the ARE-10 to tell the user that a call has been received. The ARE-10 allows the user to set the front toggle switch to MONITOR when they want to hear everything being said on the...

Shoupkjt

LA ary HofcterKn SI 2.95 - 13 QQS*rt SHOUP-KJr'TX8040 MATCHING CW 'TWIN QRP TRANSMITTER S159-95 + .00 S& H AVAILABLE JUNE 92 SefKt ft 10 SASE ior more into and list ot Shoup-kits or phon (Si7) 685-2322 MicMgan residents add 4 sales tax Qualily to win a free laniastk Shoup-itif RX 80 0 iece< v-er by mailing a 3' card wilfi name, aiWress, phone and secret ID number (8 digits) for Nov 92 drawing winner announced in our advertisement

Mouser Electronics

Mouser Electronics has released a new purchasing manual, 570. This comprehensive reference guide provides up-to-date product data and pricing on over 36,000 electronic components and over 80 manufacturers. Product index tabs are provided for locating particular products quickly.There is a quick index on the front cover. To order your free copy of this catalog, contact Mouser Electronics, P.O. Box 699t Mansfield TX 76063 (817) 483-0165, (800) 992-9943, Fax (817) 483-8157. Or circle Reader...

Puff

Lets get started with PUFF, This program is made for microwave circuit analysis and I hope you had time to order your copy and try It out, 1 am quite excited about PUFF because it allows you to construct microwave circuits. It is not just limited to amplifier construction filters, patch antennas and many other two- or four-port devices can be constructed in strip iine format. In the past I had to rely on published microwave circuitry from other designers, and J had...

All Sales Final

We Stock AEA, ARRL, Ameco, Ameritron, Antenna Specialists, Astatic, Astron, B amp K, B amp W, Beiden, Bencher, Bird, Butternut, CDE, CES, Cushcraft, Daiwa, Eimac, Henry, HeilT Hustler, Hy-Gain, Icom, KLM, Kantronics, Larsen, MJF, Mirage, Nye, Palomar, RF Products, Saxton, Shure, Tempo, Ten-Tec, TUBES, Yaesu, VibropJex, DupEexers, Repeaters, Scanners, Radio Publications, Uniden, Kenwood, Maxon, RFC. WE NOW STOCK COMMERCIAL COMMUNICATIONS SYSTEMS HAM D ALER INQLHRES INVITED PHONE tN YOUR ORDER...

Electret Mike

High efficiency, omnidirectional,miniature electret co n dens er m icropho n e el e me nL Low current drain, good signal to noise ratio, operates on 2 to 10 Vdc. Ideal tor teiephones, lape recorders, noise-activated alarms and other appEicaiions. 0,39 dia X 0.31 high. TERMS Minimum Ordftr 10 00. Shipping nd handling tor the 48 continental U. S. A. S3.50 pe r order. AtI others including AKf HI, PR or Canada must pay Ml shpping. At orders delivered in CAL iFORNIA mu l include state ifes fax 7 2 ,...