Info

I EASY-PC - For single sided and muttilayer boards to 17x1T Phenomenally fast and easy to use. Over 18,000 copies iri use worldwide. EASY-PC Professional for boards up to 32 x 32 at .001 resolution, 16 layers. Schematic capture and netlist extraction -integrates seamlessly with PULSAR and ANALYSER HI, Runs on PC XT AT 2& G 386 4S6 with EGA or VGA displays. PULSAR and PULSAR Professional - Full featured digital logic simulators. Allow you to test your designs quickly and inexpensively without...

Bnb

SUPERFAST MORSE CODE SU-PEREASY Subliminal cassette. 512.LEARNl MORSE CODE IN 1 HOUR. Amazing supereasy technique. SI2 Both 20 Money-back guarantee Free catalog SASE. Bahr-T8. 150 Greenfield, Blooming-dale IL 60108 BNB221 WANTEDWestem elecinc amplifiers, lubes, speakers & parts. Free Quote KPC-3 TERMINAL PROGRAM User friendly, split screen. AutoConnect 32K scroll back buffer. Integrated Editor. Save & send files easily SASE for F Ff letails 29.95 ComTreK, Box 4101, Concord NH 03302 101.

Icwa

CTCSS Encode Stntl Decode Opt Remote Control Speaker Mlc (Opt. HM-7JA) 100 Mimoriei with Alphanumeric Display Alphanumeric Message and Paging Backiit Display & Keypad Lon I writingTimes (Power Sj tr iu> ti Oil mAh Battery) V t t L Operation (SmmtUntxjjs deceive- External DC (4,0 V -IkOViOia Barter-During OpetaLion - u I o Rqwaier Fundi CTCSS Encode Soid (Decode (tat IT-95J iJeiacluihlr Remote Control SpeakiTi M Standaniwin i i Functional Contnil inrL Dual Band Display 10(1 Memories with...

Circle On Reader Service Caro

Turn your old ham and computer gear inro cash now Sure, you can wait for a harnfest ro try and dump It, but ycu know you'll get a far more realislic price if you have it out where 100,000 active ham potential buyers can see it Ihan the few hundred local hams who come by a ilea market table. Check your at1lcr garage, cellar and closet shelves and get cash for your ham and computer gear before it s too old to sell You know you're not going lo use it again, so why leave it tor your widow 10 throw...

Mfji

Alfwave 2M ifer -pole antenna Jr J ie perfect gain antenna for traveling. Get home station performance on le go, Just hang your MFJ Pocket 1oil-Upin the clear and plug the BNC onnector into your handheld. It's omni-dircciional and has ignificam gain over a wave. It does ot need a cumbersome ground plane 3 it's convenient for indoors and works reat with handhelds. Made in USA A. High Gain FlexiDuck , . IF.M7I7, 19.95. Enjoy ependable QSOs when other jbber ducks give you noise, tigh gain xh wave...

Transmitter Location

Direction Finding System Tracks Down * Jammed Repeaters & Cell Sites Models available with computer interface, synthesized speech, for fixed or mobile use, covering 50 MHz to 1 GHz, Call or fax for details + Simple Installation No External Power + Smart Uog Timer * Perfect For Porta h le Model BP- Packet Modem Made in U.S.A. Model BP- Packet Modem Made in U.S.A. + Simple Installation No External Power + Smart Uog Timer * Perfect For Porta h le Whether you're an experienced pacificteer or a...

Get The Atvbug

Snow free line of sight DX is 90 miles - assuming 14 dBd antennas at both ends, 10 Watts in this one box may be all you need for local simplex or repeater ATV. Use any home TV camera or camcorder by plugging the composite video and audio into the front phono jacks. Add 70cm antenna, coax, 13.8 Vdc 3 Amps, TV set and you're on the air - it's that easy TC7G-10 has adjustable 10 Watt p.e,pt with one xtal on 439,25, 434.0 or 426,25 MHz & properly matches RF Concepts 4 110 or Mirage D1010N-ATV...

Circle On Header Service Card

COMMODORE 64 HAM PROGRAMS 8 disk sides, over 200 ham programs S16 95.S.32 stamp gets unusual software catalog of Utilities, Games and drilish Disks. HOME-SPUN SOFTWARE, Box 1064-BB, Estero FL 33923 BNB917 SOFTWARE, DOS, from Milestone Technologies.CODEMASTER-V Morse Trainer 24.95, LOGMASTER Logbook 29,95. GUARANTEED J -800-238-8205. BNB940 Capacitor Close-out Retiring HamFest Scene. Must Sell thousands of Grand new capacitors Electrolytic, Disc, Tantalum All must go Free Listing Send SASE to...

Aug

ANGOLA, IN The annual Land of Lakes Angola Hamfest, sponsored Oy the Land of Lakes ARC, will be hefd 7 AM-2 PM at Steuben County 4-H Fairgrounds comer ol 200 W & 200 N, at Crooked L.ike in Angola. Vendor setup 3-10 PM Sal . Aug 5th 4AM-7 AM Sun Aug 6th VE Exams for all classes Sign up at 9 AM. Chicken BBQ. Talk-in on 147 180 .780 and 444.350 449 350 131.8 Tone For Tickets, please contact Land of Lakes Angola Hamfest, Sharon Brown WD9DSP. 905 W Parkway Dr., Pleasant Lake IN 46779 Tel....

Circle On Reader Service Card

Build this LNA for weather satellite reception. The signals from the geosynchronous weather satellites are very weak after traveling ihe 22,500 miles to earth. The satellites' transmitter power is only 5 watts not a lot of power for the distance. The signal at ground level is on the order 0.05 microvolts. Consider that your typical _ meter rig has a sensitivity of 0.15 microvolts for a nearly full-quieting signal ihe signal from a weather satellite is 1 3 this level and at a frequency...

Antennas

Hjsile' KLM METZ. Urban. M DUBLGX. TONNA S nemi Ujft Banc YAESU FT23R 26 7 FT4 HE-611< 911 FTH2OOB 7OO0 TS-SOS, TS450S AT, fl-SDOG. TS-650S, TM 24l AJ441A> TR 751 A, Kenwood Service Repair, TSl4 Sr TS690S, RZ1, TS-790A. TS950SD. TT+70A. TH28 4 A TM & 41A. TM-741A. TM-732A, TH- 41A. TTWI-742A. h AR RAD 3S cor. M7t 11, M56. M70QTY. M8 AVIATION POHTABlE ICOM A-21 MOTOROLA MARINE KING KX 99

S

AIRD1SK An AIR 1 type op-e'aring program ior use with your interface hardware Boih VIC 20 and C647i2fl programs on one disk 39-95 AIR-ROM Cartridge version Of AinDtSK forCfri 129 only SWL A receive only cartridge foi CVV, RTTV Baudot & ASCII I for use with Commodore 4 120 Operating pnocram in ROM SWL A receive only cartridge foi CVV, RTTV Baudot & ASCII I for use with Commodore 4 120 Operating pnocram in ROM AIRD1SK An AIR 1 type op-e'aring program ior use with your interface hardware...

Elenco Oscilloscopes

Murata-Erie it MA4QA3R & MA4GA3S 40 Khz transmitter and receiver, matched parr. Sand width. 4K hz.- . ideal For remote control systerna, burglar alarms, flow rate detectors, etc. O.G4i diameter X 0.47 high c05 V 665A 50M H t. DT, vt cw & Qr v 106D IflaMirti. Dyai Trace _ V-10fiSA - 1 0M Hz., OT. w curscr V 1065 100MH z. OT. w.'cu rH r _

Touchtone Remote Control

ContrcJ fcjaPy an ihing by Touch-Tone remoit con oi. The URC-l has switched ououts 4 voltage outputs 20 mV eps 0 to 5 VDCl, two 10K digital pors .for jme, squefch, efc.J and 3 timers adTjustatte Itom 10 mS to 40 hours Two levei password control allows secure con to and mufi-level access Six digit LED display shows ctrreniy entered cod s a cr -sta oontroBed ioucti-t- ne decode* paedes iaWe operaMn. There's nothing e'se (his unrt. be in comptefce control oi remote ratios, thermosiab. hi-fi's,...

N

L know you aren't going to helieve this, but for the second year in a row the Dayton HamVention program chairman didn't think it would be worth wh e to have me talk. Tsk 11 bet three or four hundred hams topped by ihe 73 booth and asked when I was speaking Well. I figured thai might happen, so just before I went to Dayton i made a 90 minute tape of what I probably would have taikec about if I'd have been asked, I look along a tew dozen copies and offered lhem for 5 each. They soid out in short...

Note Location Of Coordinates Is Measured From The Center Of The Pipe

Hi bend in g f txtu re t t np hue. propimc torch, solder all around the flange so there one continuous bridge of solder between the connector and the can. t used the rosin core solder thai I use on all my electronic work, and some extra soldering paste to make sure thai I had a good clean connection. Use alcohol u> clean all the flux from the arcu after > ou arc finished, ext cut the PVC pipe to d length of 19 inches. Make iv-o cuts ai one end. approximately 2 inches long, w...

Standard Series

S-132 5 2 5MH S349 8-1SJ S S-13& & 60MHz S349 High Lumina fi tr C Rt TV Sync ImViSen tnrity M 2 - m, *10 Probat X-Y Ope'ali N Cnrrple p SctigiHItic Vellage T ne + Fitque y drlfere ES -.sp ayfr on C T rhm the use l ur*j ra S-1365 only) 2169 - 60MH Dua Trace. Delayed Sweep. 2 yC IOOUHE Three Tracy D a Time Ease, 2522A 20MHI ( 2dMS Sior& gb _5BD9 roller, this snake11 cable con ' J KJr pius drain wire, foil-shielded cables in one jacket. The conductors are stranded 24 AWG wire. Each end of...

M

' i CI b illri a * Wide measunnc-ande Hlflhsifi f Wty i Ca'ia nold luncion Input imfwdancs iM 2 Z'-i in i Tipi i al cnual on lunc ion ALI Models Avoiiatjre Calif Scapcmeters M ifelSr ith795.DO Mk 77II iiJiOO M itll Ii S& J 95 Mode1 & 7 tSSSb Combination Emf M cFcwave T& sier EM 2Q4 Kfi il rUfl jnj i f Mim l Cui i C0 r't D4rn mtif i u . IJ MKj trd 5 t 1er FM Dai ci vfiiion sj rr- fEr J -C AlfnTd le ete fDftisgpelic lEml'i jn microwave lesls made e isy Avai'aL-le As semblad . . PT-S33 C...

Alinco

___ __438 Amapola Ave,, 130, Torrance, CA 90501 fcinai ELECTRONICS INC. Phone 310) 618-8616 Fax (310) 618-8758 Better Products, Better Service. See for yourself why people are coming to ALINCO, * Receive 108.000 -173.995 MHz (AM, FM) Transmit 144,000 - 147,995 MHz (FM) * Remote Control by Microphone Channel Scope (Visual Search) 100 Memory Channels plus 1 Calf Channel Memory, 1 Program Scan frequency Memory LITZ Function Capability (The US First * S meter Squelch Function Tone Burst Function *...

Tpm

6 Pedestal Mount, Adjustable with thumbscrews Triple black finish. Ex ensons.,, Recommended tor use with the TPM6. T2EXT (2) 2.95 T4EXT (4) 4,95 T6EXT (6) 6.95 Universal Cradle lor HT Cellular Phone, or Scanner. Attaches to ihe AMPS plate of ihe TPM6 or similar mounts. Securely holds portables from 1,375 to 2,875n wide.

And G Electronics

MORSE COACH A complete leaching and testing program ior learning me Morse code in a cartridge. 8524 DAKOTA DRIVE, GAITHERS8URG, MD 20877 73 Amateur Radio Today July. 1995 75 replace that IC circuit with an inked drawing of the elrcuil, connected to the input and ouipui colls with thread instead of wire and it Keeps right on wortiing, like the Ener-gizer Bunny. You do have to re-mk the bat-lery drawing now and then to Keep it running. Apparently the baitery drawing runs out of Uce when the ink...

Sew Replacement Battery Packs

KENWOOD TH-22M2 79A PB-33& V 1200mall W9 U 1 B'34 9.6v 600mih S54 G m -27 47. TH-28 4W7 PB-H SOO iuh U995 PB-1B7.2V J40 IT FNB 3S 9.6v 600nuh S66.90 COM W2 A17WIIET. 2< JXA GXBOTATTO ET the only thing low about our charge is the cost y suonl v Ca mcorde r Batten Cnrtii ra 300 Centre Street Holbrook, MA 02343 * < 617) 767-5516 Fax (617) 767-4599

Arrlbooks

ARW RRI. 1995 Handbook < 71* EdJ Fe*m JtirJ IftP m iftn ai fcraffn of Pi joS IYL JI ne* tlUbgaA I . v.plu. li v-mit. S_ML0U ARL Oprming Mamui mh Kd.i I- - nLdJua i tc mike foe bfst use > t srvi mo. in dihiini frfae consulcrv < ISCAK HF AR365 yfcr Vwthwk tv ftur M- 14 IfB hfr-M Hi COtttntCliOn projiCii fur lii I1 < ptmef SIUM AH3207 Wplft Iteign Notebook by fW DtAtaw WIFtl Filled with -.irttple praclichJ projea1 ih t m hr buill mmg rtudily available compoik-Jiii and i ominun M-HliJ HWll...

Mfj

Throw this tiny MFJ 20 Meter CW Transceiver in a comer of your briefcase and enjoy DXing and raj a siaetone, speaker, up to 5 watts output semi full break-inT much more. Free manual. See free MFJ catalog for 40, 30t 17, 15 Meter versions, keyer, audio filter, power pack, luner, antennas. World Radio TV Handbook says MFJ-1024 is a first rate easy-to- operate active antenna,.+quietr+rexcellent dynamic range+ good gain low noLse .broad frequency coverage excellent choice. Mount it outdoors away...

As Seen On Your Scope

100 FACTORY ASSEMBLED NOTA KIT MADE IN THE USA * SA500ADP Spectrum Analyzer Scope apter works with any Scope Just one inechon to the Vertical & Trigger Inputs i any scope bccomes a full function jclrum Analyzer. Tune H.T.'s Filters, vers. Check all RF based Systems, The 5(X)ADP Scope Adapter will complimcnt any Ham Shack. Radio Service Shop or EMI Test Lab. MADE N THE USA Not a kit. If you have been waiting for a low cost High performance Spectrum Analyzer at an affordable price , take...

Mobile Transceiver

It looks like any other two meter mobile, but this product is unique. ver the past couple ot years Radio Shack has established itseff as a supplier of moderately priced communication radios, in the handheld department, the HTX-202 and hTTX 04 handhelds have been a popular selling item for the boys from Ft. Worth Sooner or later, you almosl Knew Radio Shack would otter a legitimate two meter mobile radio. Since I own an HTX-202, I was curious as to what I might find with this new mobile and how...

Antenna Wire

HCJA 169 SIR 'SUPERFLEX' UNhNSULA Et). .------ 14GA 7m *HARD DRAWN* BC UNINSULATED--------- H ASOLC-COPPERWEilTUiWNSULATED 14GA SCH.LD BARE COPPER* UHMSfLATE liOA iftt T3ARE Ci ER1 UNINSULATED -9ARE COWEFT PJC IHSbLATED. 14GH4I 3D WREOOPPEH WC HSLAATB) T GA65-T ' RE O E r PVC thSULAT D LiACWNROPf Wt af 77WTEST

JULY

Annual Conference will be held at the Sheraton Colorado Springs Hotel. 2866 South Circle Dr For Hotel Reservations call (719) 576-5900, or (800) 325-3535 Be sure to ask tor ihe Central States vhf Soc rate For Conference info, contact Lauren Lib-by KXOO, (719) 593-9861 or Hal Bergeson WOMXY. (719) 471-0238 E Mail to 75151 2442** COMPUSE RVE.COM (KXOOi or BERGE* SON& PPCC.COLORADO EDU (WOMXY) A special Youth Program for young hams, and beginners m vhF ' egardiess of...

Icu

* For EsporiOnK - Noi Certified for Use * M Battery Caw i BP 150A) standard N l d version nlso available (BP-lJilA+BP-l& O) * Wall chafer incl w both nv M* No 1i luch T- i - Pad ' Memory Channels 700mAli Battery Auto Kepeaipr Ope ration Tij e Scan E)TMi Red in . Memories 350 Aud Selectable TNtt Sped Built in PL Encode Decode 35 ni i '.ument Drain

Wayne Writes

Wgi we The People Dre fart W*r On Our 1 oust Govern lent jfhip .n cover This is avne' pon dpliimiif h ai the ipwjor iff tiding fcoth st and ihe couniiv. md pr' K in > .itnpk-. i(hr penti i-t uiioc- I im k na . Ebhfevt fO -ftUnmt i7 rtnyrn .- l f-I . cur --, ir ciprn - t n-, nhiq ihm iL'jf bow m cal the coa of incimihii pnsonexs b> t j i' b- vdliiir, tn y-rducr thc dc L hnw go ail mercal > and tt jw e h -ilir carv ho m cm u hu cons ind impmvc sthcxJ ti abvihjL- > Llm J 13 WG4 20 20...

Am Transmitter

High quality, true AM broadcast band transmitter is designed exactly like the big commercial ngs. Power ol 100 mW. legal range ot up to 1 4 miie Accepts line level inputs from tape and CD players and mike mixers, tunable 550-1750 KHz. Complete manual explains circuitry, help with FCC regs and even antenna ideas Be your o n Rush Lirnbaugh or Rick Dees wiih trie AM-1 Add our case set lor a true siation look. CAM Matching case set S 14,95

Ak

DTMF Controller Board features 16 relay driver outputs and DTMF to X10 control capabilty security code - User prograTiable using your DTMF keypad > ASCN Serial Output of incoming DTMF > Watch-doq timer reset > Rday driver outputs may be mated with our RB-8 1 or RBH6 1 relay boards > Several modee of operation a ow combinations of real-time control, on offI momentary output control, and CW response tones > Small size, only 2,75 X 3.25 inches > 12VDC 25ma Visa, Mas it rC arc ,...

Wyl

* A4 A Engineering 17 35 T Ab sol ute Valu e System s 67 161 Advance Design Lab t 35 149 Advantage Instrumente Corp. 33 194 A31 Electronics Corporation 65 rt - M-fPi-A-ii - p HHH rm-rm-v 63 113 57 Antennas West 15 5 Antennas West .82 324 Antennas West 35 304 Antennas West 47 340 Antennas West 43 382 Antennas West 17 296 Antennas West ,82 380 Antennas West 31 * Antique Radio Classified ,43 BO Arrow Antenna 59 16 Astron Corporation 19 41 Barry Electronics Corporation ,23 42 Biiai 168 Buckmasief...

All Sales Final

We Stock AEAr Alinco, Ameco, Ameritron, Antenna Specialist. ARRL, Astatic, Astron, B K. Beiden, Bencher, Bird. Bittemut, CES. Cushcraft, Concian. Dama, Elmac, Henry Hei , Hustler, Hy-Gain, lcomK KLM, Kantronics, Kenwood, Larsen, Maxon. MFJ, Mirage. Motorola, Nye, Palomar. RF Productst Shureh Standard, TUBES & Tube Cartons Uniden, Yaesu, Vibroflex, Duplexers, Repeaters, Scanners Radio PubEicstions WE HOW STOCK COMMERCIAL COMMUNICATIONS SYSTEMS HAM DEALER WOUIRES INVITED PHOME JN YOUR ORO R...

Ccuv

tK 240D U30 OO S 1200.00 Mo or op raesu itut Jp C-'Ljireiir t.nt.- T vi* f Tk-t I. r> 0 f Kan'ith I et MF J Mi Hy vi 3 nnwi1. Comnei C n eyx Vtahjm lnr ArnefSrof HuvHh Ei mdinttg ht il Soikm JSC Cable M2 Efflmfr . Over 90.79 Hum Hems iti Stcnik, Ati Pft .s C i*.hr rpf Proston Pfltme or St n if A tiressed hjiv top rj Mp.'p .-kjwmH tlsr 76 S. Slal* QlriMft P e s ion. ID _Cion*d S ndJy RCJ-2950 297 New modi location manual including Power increase Clartfer modilk tfon. Modulation in-c ease....

Ar Amplifiers

Discoid THE WORLD OF FAST SC A N TELE VtStQN HF AUPUf EW per OTOflOCJl ffULifTmS P frT* LtsffOF Atil ifififs l2-30MHj cnbed in u uoTOftOLA Su milts AN7& 6 3 W 13 3 YY A N 762 14i> Vif A H305 3 W r W6CK)W Mew IK WATT 2-50 MHl Amplifier TK-1 i Wkedfoiitod 5149 95 Model 59 H t & nk 6.5 X 12 X T.6 .5 24 00 CHS-fl Coppflr Spreader (8 N tyty 22-00 CHIP CAPS-K-emitf ATC METALCLAD MlCACAPSUr clfttfSer- AF POWER TRAN5I5TQHS 4RCO TRlMlrffc N CAPr-BROADBAND HF TRANSFORMERS Discoid THE WORLD OF...

Cci

Adti 54 00 fox tftippmg & hanrtlirq 508 Milistone Drive * (513) 426-8600 What is DSP DSP allows the 'construction of What is DSP DSP allows the 'construction of various filters of great complexity by using computer code. This aliows us to have easy access to a varteiy of filters, eacti perfectly optimized for whatever mode we are operating. The DSP II has been designed to operate in 10 different modes. Four filters are optimized for reducing interference lo SSB phone signals from CW,...

Controlled Circuit

Aj external relay to control circuits that draw mon than SIX) m A. 48 73 Amateur Radio Today * July. 1935 1 DTM F ver. CD22204 1 Quad AND gare. CD4081BE or SKdQQlB 6 2N2222 transistor or equivaienl 1 3 5795 MHz TV color burst crystal. ECG358 Of equivalent 2 100 ohm resistor 2 10k ohm resistor 1 560 ohm resistor 2 0.01 j.tF capacitor 2 1N914 dlotie A complete program with user data base, code recognition, file storage, and documentation is available on 5-1 4 disk for 15 U.S. from lhe...

Call Us For Freecatalog

MIDDL TON, W 53562 PHONE 603-831 -3434 FAX 600 831-1082 2211 D PARVIEWRD. MIDDL TON, W 53562 PHONE 603-831 -3434 FAX 600 831-1082 The World of Ham Radio Callsign May 95 Database You can have the IlilcsL US and pOitififl ensigns available, 20hiXX +- software ffles Tor amateur radio. AmC I uuto-W in statipri log hi ok indued wii i feitery i'l> . Over 1 350 Radio Mods The latest space photo- lie newest release ot amateur software. i.lGO images qf tafct & missing children....

Canning Parkway Victor Ny

J-saJ m ORDERS CALL iip . 1 -800-446-2295 TECH ORDEMNFO 71G)924-4560 FAX (716)924-4555 TERMS Salktaelian gufrranleed. FrAmno for 10 days. Ff nnl pteas d ittum in original Term lor rotund. Add 4.95 for shipping. UndlviD .' rid ntu-anct For (orslnr Kid 20 for jrfaC'0 mail. COD U S orly add S 00 Crtii jncter 520 add S3 00 *Y tir T' ls add taa. M-rtay p rt wtrfanry on k t piirli 1- year pjnt & l bor warranty on n-rft units j*CO Vl * 793 CANNING PKWY * VtCTQR. NY tJ5S4 73 Amateur Radio Today...

Ch

HT Antenna Gain OdBi Length 1.75' Conn E3NC Specializes in a wide assortment of Mobile Mounting Systems that require UO HOLES, A variety of trunk iid. hatch-back, rain gutter roof rack and window mounts t-ire available along with low loss coax cabte assemblies, foi the ultimate mobile station For a compSett catalog of COMET Antenna products call or visit vour Jqc3 dealer Or contact NCG Company at 800 962-2611. Use COMET products, and enjoy amateur radio to it's fullest 1275 N. Grove Street *...

Circle On Reader Service Cahd

If you know any hams who aren I reading 73 or Radio Fun. please let them know now much you're enjoying the publications, Next year 3 want To tafk with twice as many hams al Dayton who read them. Only about 10 of the hams -ire subscribing to 73 that's terrible How can I gel the other 90 to stup smoking and lose weight if lrm not reaching them How can I get them to try ur ham satellites Stow scan Packet How can I maybe even ge- them to think My wife was with me a Dayton, huw about yours Sherry...

Circle Oh Reader Service Card

TLEKIBIF9013 FOIL t95 8RAID 2 7 C 0 MHi . 9913 EQUAL FOIL H 95 BRAID 7 ifi B4U0MHI g& H EQUAL TOW FOIL BflAJP 3.S * MHz LMfi 400 DtiL 5HLD1IIA JACKET 2 7 4B J 450Mhi LMABOODfiLSHLDIILA JACKET1 7 cB tt *5CUHi LMR KG MiL SHLQ HlA JACKET 1 45GMHl Uwtfl 12M DBL SHLD11 JACKET 0 46+tfi 9 AMWiHl RG MIL SPEC DIRECT BOFkAi- jACKET l fcE s 5CWHV ROMJ FOMJ 99 flRD W RESETANT JACKET 1 2-JS MMhL' RG M H BXSS-i BRD BLK SILVER of OEAR UV R S JtO RG2lVU 2j StV fl RRAID SrtELDS **L-5PEC RG30QV Da. SILVER...

Corp

Our 332 page catalog has ov er 21.000 items including semiconductors, tools, test equipment, power supplies, computi r components, connectors, cable anrl two-way equipment too The MCM line of2M 70CM radios, antennas and accessories are purchased directly from the best manufacturers in the world, offering the utmost in performance at prices near half the competition. Discover what you should be paying for power supplies, mobile and base antennas, duplexers and...

Circle S On Reader Service Card

F Of F E X P A 0 CONSTRUCTOR S CATALOG Li lip Um l.jn Mfi> 1 Hoi un-1 -- i il - C'L'ttrt nhoUlMbi ways easier lo donate and u sua Ely more financially rewarding BUT MOST IMPORTANT your gift will mean a whole new world ol educational opportunity for children naiicnwtde. Radios you can write off kids you can t. Make 1995 the year to help a child and yourself Write, phone or FAX the WB2JKJ *22 Crew today The RC of JHS 22, P.O. Box 1052. New York NY 1Q0Q2 2A hours call (516) 674-4072 or FAX...

Color Slow Scan Tv

Now send and rece eSlow Scan TV with your Sound Blaster compatible sound card In FULL COLORlM Easy afld fun la use I Send your own pictures and Receive in Robot & . 12,24,36 33,VJ. Robot 36 & 72 COLOR and ScoNy 1 4 t m COLOR. Now send and rece eSlow Scan TV with your Sound Blaster compatible sound card In FULL COLORlM Easy afld fun la use I Send your own pictures and Receive in Robot & . 12,24,36 33,VJ. Robot 36 & 72 COLOR and ScoNy 1 4 t m COLOR. Requires PC, VGA * 4fill - 5& c...

Coaxseal

Tkf oti i ii c'i'iiiii 5-mti ' j The Only Material That Will Adhere to Potyvinyt or Vinyt Outer Coax Jackets Forms around ane seals odd-shaped fittings Non-contaminating and rton-conduct ve Wide amb< er.t ttmoerature range -SO1 F lo Stays toiibleio vears insuring rTioisture*proot connections ReusaWe quicK disconnection and resealing wWl same material. A must lor satellite TV-microwave wort< , Hundreds ol uses. Moisture proofs all connections. 9. utf tf IVifli qtlmtfx Vin be& rm u> *3j...

Circle Sb On Reader Service Card

Pidciaksrilnstnimc i measures in rtJalwe and abAoluti unit High Fertormanci . Pidciaksrilnstnimc i measures in rtJalwe and abAoluti unit Relative measurement from 60 Hz to the GHz rartge and airetfuie meiiis.jremenis from 1 MHz to 00 MHz. Broad band witft no tuning a ustmenQ. AdfUSiaWe tengrn (ipota antema sets Tqi F& d sensitivty (At high tjatn settings, amc oni R .R fields irom i aJ soufccs wii radicate on rtift display). Dipokj antenna eliminates need for a...

Connectors

PL J5S S LVEft m WjOLD TIF lDPKSSlUK ii X SfKSpS C MORE iTEMS STOCKEO A CVT TO YOUR SPBCFtO LENG f H' TECH INFO 708-506-1886 FAX 708-506-1970 113 McHenry Rd, Suite 240t Buffalo Grove. IL 60089-1797 Marc I. Leavey, M.D., WA3AJR 6 Jenny Lane Baltimore MD 21200 By all accounts, one of the most popular versions oi this column is the one which you all tieip write. The questions you all pose are otter he launching sites tor some a ft he more lascmsting topics covered in NRTTY Loop So, to siafi off...

Digital Voice Recorder

Chatterbox digital voice storage unit will record your message of up lo 0 seconds. Time is split up imp four 5 second blocks which can be played separately or cascaded lor longer messages. An LED display shows message locality and cuireni mode for easy operation Nifty built-in interfaces allow simple connection to transmitters for automatic keying when ttie FTT is initially closed or after it is released You can even loop your ng's m ke through the Chatterbo* For Conlest or lun use, Ihe CB-t...

Down East Microwave Inc Transverters

50 MHz - GaAs FET, High level mixer, 20WP Assem. PCB, Kit 295 144 MHz - GaAs FETt High level mixer, 25W, Kit 295, Assem 395 222 MHz - GaAs FET, High level mixer, 30W, Kit 295, Assem 395 432 440 MHz - GaAs FET, High I eve mixer, Dual osa, 30W, Assem 395 903 MHz< 1 .OdB NF, 10W, Assem 395 1296 MHz< 1.0d8 NF, 3W, Kit 295 2304-3456 MHz - 1.0dB NF, 2 Watts, Assem. Options available for all of the above Write or call for Catalog. Product descriptions available.

Departments

81 Barter 'n Buy 62 Carr's Corner 17 Feedback Index BO Ham Help 72 Hams wilh Class 69 Hamsats 52 Homing in 56 Packet & Computers 6 Letters 4 Never Say Die 88 New Products 81 Propagation 68 RTTV Loop 77 Special Events 86 Uncle Wayne's Bookshelf ir like being dk.Tr. ri ht here inourolTkvs How Just rate advantage ot our FEEDBACK list on page 7. You JJ notice a feedback number the beginning of each article and column We d tike yon lo rale v hrt you re.iii so that we can print what types < tf...

Features

10 Dish Antenna for Weather Satellite Images Build your own 5-foot parabolic dish for 1691 20 A Low Noise Amplifier for 1691 MHz Build this LNA for weather satellite 26 Sailing with Ham and Marine Radio Equipment Carry ham and marine systems aboard without permanent 40 2 Meter Cottinear Vertical Antenna Build almost 6dB of gain for almost Simple math for the Technician High-speed home-brew DTMF

Dwyer Wind Speed Indicator

Only 55.QQ plus 4.00 S H For home or office. Accurate, low-cost, practical. Hoof mounted pickup. Serif I check or M O to. RAD-MON COMPANY, Dept A, Box 751, Marathon NY 13803 0751. NY Residents add Sales Tax) BNB285 2 METER INTERMOD Our notch filter elrTinates the pagers in ihe 15 -153 MHZ region That are responsible for 99 3 ol rniermod. No insertion loss, no need for +12, transpareni at 70CM See Jan. 95 CQ product review. Ruggedly built in solid brass. Hipower version VHFDN15 W UHF conn 62 HT...

Dxoqn

Rr f--- o hoiai i ss nag wv-rs re'P& r sjen dnwi Ireciuency flrrtry CTCSS enrod Ofllr rWHJli) control and mu much mere Aiso awakaote irutfrbaod model This easy to use duai Daide.' s am packet with spiDaJ feaiures like smutianeojs lual band receive, detachable front panel, remota operation and jnuch. much more. This 2 meter H T. provides wide band RX, 2 mem. DTMF pagina and opcional tone _squelch. Kenmod pnce ifi wflt a-upons & Man J rttfl M T-'-ver nirsr eiid reiJtr onwft -nn Kemn-yMi '...

Fm Subcarrier Decoder

Tap into the world of commercial-Iree music and data that is carried over many standard FM broadcast radio stations. Decoder hooks to Ihe demodulator of FM radio and tunes Ine SO-100 KHz SCA sirticarrier band. Many radios have a demcd output, but if your radio doesn't, it's easy to locate1 or use our Ffl-i FIW receiver kit which is a complete FM radio wiih a demod jack built-in. These hidden subcaroers carry lots of neat programming - from stock quotes lo news to music, from rock to easy...

High Power Rf Switched Preamps

Model 146160W 2 Meters 19dbGain +75db Nf Model 1460S 160W 2 Meters ISdb Gain .75dbMf Model 440 70cm 100W 16db Gain 756b Nf All pr amps have helical filters to prevent out of and intermodulation m the receiver. Model 46 coders tue entire 2 meter band Model 1460S is of very narrow bandwidth and would be suitable forSSB PacKet. or Satellite Model 440 is factory tunable from 430-440 MHz or 440-450 MHz per cusiomer request. All models are powered with 13 to 20 VOC and are mounted at the anienna.

HINGE

NOTE 3 8' x 2wx4 CUT IN HALF. i Color Computer SSTV, parts 1 and 2, 73 Magazine, November and December 1994 2. Using a SSB receiver tuned to 8-080, 3.357, etc., MHz. 3. There is some software available from OFS Weatherfax that does st> perimpose geopolitical maps on the picture data that you obtain from the polar orbiting satellites. 4 Satellite Experimenter's Handbook. ARRL publications, 5. The ARRL UHF Mfcrvwave Experimenter's Manual ARRL publications. B. Satellite Experimenter's Handbook,...

Cpy

- ta S Tm L IAT T 9 1 2* long piece of 1 2 copper tubing Use Z 1 8 bolts at each point of attachment Use i 2 copper el bows to joi n pieces of copper tubing together __10 foot long section of P PVC Pi pe figure Construction details of the 2 meter co inear antenna. The center conductor of your main feedline and one end of the phasing section connect to the upper feed point. Solder this ucaily, as it will be clamped lo the antenna when tuning. Tin the other end of the phasing section, and attach...

Icv

- ii 13,5VDC BP-174 Ha- ten-Pack (12 Vt 600 mAh) A1J-25 Batten- 4(i Memory Channels 700 niAli Battery Atith- Kefieafier Operation Tone Scan DTMF RoJia , Memories Midio Selectable DTMF Spceti Built-in PL i-iKode Decodt mACuntntDnir Same featolts as T42A * h O Mitz Same features as T2IA * h0M1 k * Same feature* as YiiS -iUMll 4.0* 16 V DC Input (Ckrsi BatL During Op.) 40 Memory Chmds w Alpha IiisjJas Channel-only Ui play if Desired * hit Fnpe and tfeat Sink Tone Scan topi lfT-84) Hie Drake R8A...

Wve

SCR1400 REPEATER W 150 WT. 2M Amp A 30A POWER SUPPLY, (All items available separately) Call or write today for details and prices Get your order in A.S.A.P. Sold Factory Direct or through Export Sales Reps. only. For that new Machine Spectru makes 2 lines of Repeaters the Deluxe SCR 1400 and the new basic low cost S-7R line. The S-7R Repeaters maintain the quality of design, components and construction which have made Spectrum gear famous throughout the wo rid for years. However, all of the...

Julys

SD The Sioux Empire ARC will operate W0ZWY 1-00Z-22Q0Z to commemorate Ihe U.S.S. South Dakota BS 57 I WWII Battleship X) 5GLh Nat l Reunion Operation will be on CW and phone on the 80-10 rneter banos For a QSL certificate send QSL and SASE w SEARC. PO Box 9i, Sioux Falls SD 57101 SOUTH POINT, OH The Lawrence County OH AR Emergency Seivices group will operate the Lawrence County OH Ohio River AR River Days'' Special Event Station WN9F, from aboard the Jewell City Stern-wheeler. The...

Kachina Communications Dealer

Shortwave Radios Stocked rt Eems digital frequency c umtehs OPTOELECTRONICS model 1300 Ht A. 0-1300MHz 2300,2210H, 0-2200 MHz. 2600H, UTC-3000. 2610 Long-range Wireless telephone for overseas CALL Government, Stocked & Serviced Calf for Great Prices BENCHER PA QLES BALUNS, LOW PASS FILTERS IN STOCK MIRAGE RFC Amplifiers ASTRON POWER SUPPLES Bekfen Wire & Cable, Int'l Wire OPTOEUECTHONICS STOCKED JRC, ICOM, KENWOOD, YAESU, SONY and GRUNDIG Ky-Gain Towere will be shipped (Jtrect to you FREE...

Kilss

I' h RMS NO MINIMUM ORQFH Stlippi rig a nc ha ndllng fn r 1 ho 4fi comi. entfil U.S A SO 00 per order All others including AK, HI PR or Canada must pay full shipping. All ni erj delivered in CALIFORNIA must include local stale sales tax. Quantities Limited NO COD ntes subiecl lo changr wiihonf noJice Outside the U,5.A, send 2.00 postage 4M. F H Fia di o Mod AM fU-lOfl ElBnOff'B lH i'flr jchgc-i nrc cdj. wilh S EltU- h LOfi Hici dai a H i licn nhn Kf-in conlmJautf)' v& at s. 5 H . rauarn...

Led

Ffhofti II Cfas up of one si age showing all components, including ft * connecior. ffhofti II Cfas up of one si age showing all components, including ft * connecior. copying machine that has a variable reduction ratio. The source of the ICs said they wit lower their 5Q minimum to 30 for these lCs. You should order two of each, just in Case you damage one. tf you can double-up an order with a friend, so much the heller. Also, request a data sheet for each C, or can supply copies if you send a...

Kcah Dtmf Decoder

PC board layout and parts placement. left out for increased sensitivity. Pins 10 through 13 and pin 18 of lhe printer port must be grounded lor the decoder and program to function properly, I used a computer A B switch box as an enclosure. The type with the DB-25 connectors works realty well. It already has the connectors and switch wired. One pon was disconnected and wired to the decoder board. The oilier port can be left as is and used for lhe printer. Any source of audio may be...

Lisats

There IS a very active ATV group near the Kennedy Space Cenier called LISATS tLaunch Information Service & Amateur Television System, Inc.). Due to their close proximity to the space center, the LISATS group wanted their ATV repeater with Ihe very appropriate callsign K4ATV) to feature continuous coverage of the NASA Selccl video teed during each Space Shuttle mission. Located at a commercial radio station's studio site (WLROi in Cocoa Florida the K4ATV repeater operates with ar. input on...

Lifetime Warranty

WIRELESS CABLE IFT5 - MM0S Amateur TV Ultra H b Gam 0d*t+j - Tihkstrie to 2.7 Glu * 55-Chamo' Ole* System S 99 9S * QpBEMlCVBMr Hi'C fc* iKWi Add SS000 * ' j ir t fWi C -T . W . Cutttfn Avi * or rSASf I lof fR E Cit Atf P,0L Box B53.1 - Scflttsdale, AI 852SZ (602) 947 77 I) 3 00 Credit ill phone orderst HM iHCird - Visa - ftnwcin tum GOD'n Duanlitir Pnwq

Lnwd

Still only 29 kit, 44 wtred t Lcd Small siie Onty S BT V * 1-5 8L * V H Solder terminate for coax & pwr connect. *Speafy tuning range 25-35 35-55, 55-90, 90-120. 120-150 i 50-200 200 70 400-500 MHz REP-200T Voice Message Repeater. As above, except includes Digital Voice Reconta Allows message up to 20 sec to be remotely recorded off the air. Play back al user request by DTMF command or as a periodical voice id or both Great for making cfub announcements f adds only 100 REP-200C Economy...

Lpt Ss Or

PORT ADDRESS ACCESSES PINS 2 TO 9 OUTPUT PORT ADDRESS + 1 ACCESSES P HS 10,11,12,13,15 INPUT PORT ADDRESS * 2 ACCESSES PINS 1,14.16.17 OUTPUT Figure 3. Printer port pinout and addressing. conduct, grounding the control out line. This line can he used to control external devices (turn on the speaker, turn on a light, etc.) when your private axJc is received. Caution Q6 can only handle about 500 mA. Use an external relay to handle an> thing above this current isee Figure 2). Q4 and 05 arc used...

Maggiore

Maggiore Electronic Laboratory has announced the Model R1 Repeater line with a starting price of 569,00. Used as a main system or a backup, I he units start as a complete receiver and Transmitter in a rack-mountable, 19 x 3.5 x 9 deep, completely enclosed sieel cabinet, wrlh DC power cord panel-mounted fuse and power switch Separate compartments house transmitter receiver, and controller. All repeaters are designed for 100 duty cycle at -20 to + 50 C dno are available in power outputs from 5...

Made Ln The

E2 (HXWHD MonK ItsLBi SA KQ0C Shown S O The SA500A easily attaches to any receiver IF output jack. Providing a panoramic signal display of > our scanner or communication receiver. The SA50 A is a Full Function Spectrum Analyzer with + - 5KHz Narrow Band Filter, Center Freq. Display, 50 MHz Marker. SAMOA The first affordable Professional Spectrum Monitor Analyzer for all serious Ham Radio and Radio Monitoring Operators. With Opt. 1,3*5,6

Mesh

NOTE HOW THE TWISTED WIRE MEETS THE METAL CLOTH AT A SOI DERED JUNCTION, Figure 7. Securing the metal cloth to a ueb. F igure Appearance of metal cloth alter misting it to get tin required dish < una tunt Table 2L Calculation of parabolic cane. 14 73 Amateur Radio Today July, 1995 F igure Appearance of metal cloth alter misting it to get tin required dish < una tunt Figur 6. Dimensions of panels, ote how to minimize nvste of metal cloth, Figur 6. Dimensions of panels, ote how to minimize...

Meter Vhf Amplifiers

3 We rt M oO ii 335 A. . 74> . 5 Ki 75 Wan Modal 075A 1is.95K t HF AUPUf EW per OTOflOCJl ffULifTmS P frT* LtsffOF Atil ifififs l2-30MHj cnbed in u uoTOftOLA Su milts AN7& 6 3 W 13 3 YY A N 762 14i> Vif A H305 3 W r W6CK)W Mew IK WATT 2-50 MHl Amplifier 600 Yk t PEP -Ppl___________5 95 T OOWar PEP i Po t S 89 95 KE067-PK (Kit t+ H H- - E4 + fcrHl.lji Et 59.95 KEB67-PCB (PC Boajtf) 10. KE0C7-I (Manual). i -1 I ----- r---. ,, ,, , 5 0 TK-1 i Wkedfoiitod 5149 95 Model 59 H t & nk 6.5 X...

Mfjb

Peak werage Cross-Meed fe SWR Matt meter. Shows SWRT forward effected power in 2000 500 & 200 50 an ranges. L8-60MHz. Mechanical zero. SO-239 onnectors. Lamp uses i 2 VDC or 110 7e an* is a registerf d trademark vf Dupont' l34 MFJ-1701 MFJ-1702B '59** FJ-)704 Select any of several antennas from your operating desk with these MFJ Coax Switches. They feature mounting holes and automatic grounding of unused terminals. One year unconditional guarantee, MFJ-1701, 34.95. 6 position antenna switch....

Motor Controller

Control the speed ana tfrecfcn oi any motor Use our SMD-i ior thos* nib steppers you see septus, and our MSOI For DC motors The steppef driver features variable speed, half s& p rtfaitin. direction and power down mode, can drive most any stepper motor Our DC driver features putse wtdin modulalion control aHowing futr motor torcue wen at low speeds and can drive motors up to SO VDC 10 Ampsf Add our case set for a professional assembly. SMO-t Stepper kil S24.95 MSC-1 DC motor kit 24,95...

Parts List

1-1 4-inch O.D, pipe, 14 inches long Aluminum piate, 7-1 2-inch diameter x 1 8-inch thick Aluminum tubing, 3 8-inch diameter x 31 inches long 4-40 nut, screw, star washer combination Steel tubing, 1 4-inch I D. x1 inch long PVC pipe, 1-1 4-inch I D x 19 inches long Plexiglas, 6-inch diameter x 1 8-inch thick Nylon brackets (see text) from tie straps Nylon bolt and nut, 4-40 x 3 4 inch long Coffee can, 5-inch diameter x 6-1 2 inches long silver plate not bright, shiny type ) Copper tubing. 3...

Now Available On Cdrom

Disk Version 39,95 CD-ROM 39.95 SAM OPTIONS 7 50 each RT SYSTEMS. fNC 6207 STEPHANIE DRIVE HUl fTSVU_LE AL 35802 1-800-723-6922 or 1-205 & 2-9292 10 include voice IDer OTMF Control and programming, hang and rim -cut timers. Digital Voice Operated Squelch i.DVOSrM), telemetry tones, and private voice maifsiot. 299 - Phone 000-566-2788 Spectrum Electronic Products iniroduces (tie worlds first nandneki repeal ier con-rroller. Mo larger lhan most handheld rnd os th HRC-10 converts a single...

Pc Sstv Si

PC Slow Scan Teteviislon ts a complete system for sendir> p and receiving full color amateur SSTV The package includes an SSTV FSK modem, SSTV software, image capture ulililies and reference manual All popular formats are supported including Robot, Scottie, Martin and AVT The system requires a 286. 366 or raster PC w h VGA or super VGA Otsptay. For a mired bme we are c flrtng D04h software wrtti a single FSK mc err for urxter S20C This oomfc-nation offer will tat you send and recar** a the...

Rear Plate

Ing all the Jests, i noticed that half of the dish was looking through our garage overhang. We're not allowed to have satellite dishes in our neighborhood, so I did all my test looking out ihe overhead garage door. 1 plan on mounting this antenna completely indoors, so ihis was a good test, even though it was unplanned. The extra gain may be needed in mj installation. The feed horn is a generic design I've seen il described in QST, the Weather Satellite Handbook (highly recommended reading )...

Reference

R3-1 The Amateur Radio Mail Order Catalog and Resource Directory, 41h Edition d tht m, -r tLimprehetrtiYe hoot fttr dettfunic un- oftwae. n equtpnviK tjr g d i (tic raJi 1 amtteur -ir wnoui eteCTfri(*k bobt isi Aoywhei M Plus wjjih .i t- ' irfmfltij nuternd alt r pate*. 4di EJn . ti tL'jr.ift sij.1 -VL-- TAB2701 Transmitter Hunting i Jmeph iW 77r< 'm J Ciffar Radio irui h findi na simplified M*.*S UE2C2 RTTY Today fn J r fngnw, Modem uuide D junniL'iu ddiolelrtypc, 8.9 rPW2 i tie- World Ham...

Satellite Images

Build your own 5-foot parabolic dish for 1691 MHz. M merest in weather satellite imager started late in after seeing some pictures in 73 magazine1, Since then I ve copied visible and infrared pictures from polar orbiting satellites (VHF) and all sons of images via HF-, None of the pictures from those sources were as interesting as those 1 saw in articles showing images directly from ihe geostationary satellites, 1 he polar orbiting satellite images don't displax geographi eal borders* so ou...

Sharp

Dot size ' ag ft Q,27nnro X 0.27mm.White m f f f dots on bJack background. < 1 fljyy wwwdtgital.net. Once in the Florida On-iine home page, look under Local Ham Radio clubs and then click on the entry that reads Launch Information Service & Amateur Television System, Inc. Thanks to Ernie K4RBD for the above information, HI participated in Red Cross simulated disaster drills, with several of the members transmitting pictures from mobile stations back to the command center. Another project...

Shortwave Receivers Stocked

A UNCO OJ-SeOT DJ 5t2T, QJ-FTT, DJ-F1TH, Dfl-iaCMOTT. DJ*1 B0T TH Privacy scramblers for radios and phones. CALL Wide selection o SW & Amaleuf Publications BiFID Wattmeters & Elements in Stock W.i uni Ton. ComfltCuahcrsti, Dijm n .CAP, I- -tain HuEtlrr. W.i uni Ton. ComfltCuahcrsti, Dijm n .CAP, I- -tain HuEtlrr. EIMAC 3-5002 572B,6JS6C 12BY7A 61466 SIR D attmeters & E ements In Slock

Shortwave

NE3PAW94P 199& Passport to World Band Radio hv InterthUiorujl BrvnJrosTiny Services, Lid You'll get the atcsl stinion anil lime grids SW5 7R2S The RTTY Listener by' Outer tiuin Ntw .uni i'v .iiiLkiJ I his SfkV Jt cd tumk unpiie httiesi through 25 ot 1 . P7T) rlfUfr Ni WlUtttr, r fllJins tlp-liKbtt* h.Lrd' u fiod imormjlioo m advanced RTTY ,iitd T and irct Ucneies LJn,ir.t y ijnf rBf' Gel ttk- m oui ot '.if .utnrT r , . 14.95 CRBSW Scanner Modification Handbook. VoJ. 1 In Hill Crvtfc provides...

Software

GGTE Uorw Tutor ftwn K-l'sniil- - i Extn Gas Cixl- n 1'in . id uver I Of) wiinb per minale SumlaKi or Psnuwurth nvhie. fie u- ymir uwn dulls r.uraa ujnfumt to HX Kqnitecinnis. 5 W IKipty tit IBM PCr XT, AT, in cemipnitiMfis tftfS2 5 Mont E utur 5 V Jisk Si GGA0V9 tiiJd Edirkm Dtvk S G(UUV3CoUCttin 5- Did age Software N i.r fun fur PC i. c.nnitn both * J 2 nd IM < felu. SJ9.95 Package for PC7*, eontain* both 3 1 2 And i J J k. Lenrc Cotie Programs (Avaifabls on 5 + disk.) I H'Nsr L- imiplL'I 1...

Spy On The Earth

See Uve on your PC what satellites in orbit see Capture five brearhfaking images oi the Ealh for iun or profrt. Zoom in up lo 2QX. Sand 39 check or M O. ( 45 a in 5D overseas for our fantastic 12 diskette set of professional quality copyrighted programs (IBM type thai does satellite tracking, image acquisition, amsge processing. 3-D projections and more Direct recepiion iron ihe satellites guaranteed worldwide withoui a satellite dish Schemaiics included for inierlace For FREE information Jcto...

Stereo Peak Hold Bargraph

Finatly a dual LED bar graph with a peak hold display Bar graph displays are neat and eye catching but their speed is Iheir downfall - they just can't capture the peaks. Our kit is like two units in one. a lasi display to show the signal and a Jong cersis lance disptoy to capture peaks, simitar units go for hundreds of bucks' We ofler 3 models Linear tor general use, Semi-Log tor audio VU meters, and Log tor power displays. Dual - tor stereo' -10 segment -tiuHicolored LED display fo snazzy, eye...

The Power Station

The POWER STATION is a 12V x 7 AmpHr gei-ceil battery complete with voltmeter, wall charger and a cord for charging via automobiles. It will power most -Prs at 5 Watts for 2-4 weeks (depending upon how long-winded you are). Also VHF, UHF, QRPT or HF mobiles such as the KENWOOD TS-50 at SOW). There are no hidden costs, all you need is your nnobiler HT power cord or cigarette lighter adapter. The POWER STATION provides 12V from a cigarette plug and has two recessed terminals for hardwiring. A min...

Transmitting Converters

Buy at low, factory-direct net prices and save For complete info, call or write for free catalog. (Send 2 for overseas air ma iL) Order by mail, fa or phone s-iz am, i-s pmeastern me) Min. S 5 S& H charge for first pound plusadd'l wefgtit & insurance Use VISA, Mastercard, Discover, check, or UPS C.O.D 65-D Moul Rd Hilton NY 14468-9535 Phone 716-392-9430 (fax 9420 You get more features for your dollar with our Vj fc Stiffcortro,1e< i. mmia-fl fjffif tu re. easy to build, Jf lew power...

Want To Learn Co

Morse Tutor gddis the answer for the quickest and easiest way for beginners and experts alike. From the moment you start the easy and speedy self loading procedure to the day you reach your goal, Morse Tutor QnU will gently ooaeh you through the learning process. Since 1987, CHjTF has guided nearly 20,000 hams and prospective hams.around the world through proven structured lessons and a variety of character, wordtfiid conversation drills. Straight forwardmemis make the process simple and fiin....

Wifj

Turn on the MFJ-9420, 20 Meier SSB Travel Radio and you'll marvel at now well il performs for only S219.95 Weak stations roll in with surprising clarity. MFJs Constant Current speech processor cuts through noise and QftM. Take along world-class DX perfor-mEinee with exceptional power on your nexi vacation or business irip. The MFJ-9420. a microphone and your antenna easily fit mio your briefcase or carry-on luggage. li features simple, portable operation amazingly sensitive audio amplifier, a...

We Will Not He Undersold

PFCRE IHCL ALl ' lOPE ME TEF 5 1245 ROSEWOOD D E FIELD. IL L.Q015 F ft X. 708-520-0 & S 7MJ541 -01T In addition to NASA coverage the Brevard County EOC (Emergency Operations Center in Rockiedge, Florida) has an ATV station that can be used through the repeater The LISATS group has also successfully demonstrated ihe usefulness of ATV for emergency preparedness. They have write to Ernest Baldini, 453 Watts Way, Cocoa Beach FL 32931. Ernie s E-mail address is ebaldini dcli digital,net or...

Xband Transmitter

Mrniature (2 x 3W x r)GaAsmicrostrip transmitter provides 10 dBm centered at 10.525 GHz. Integrated microstnp patch antenna eliminates the need for an external antenna. Advanced matching techniques secured good temperature stability with low frequency pulling. Great for long-range testing of radar detectors, calibration of radar receiving equipment, and point-to-point communication links. Complete Assembled System S39 00 Parts 4 Instruction P.O. Boy 80096. Fort Wayne, IN 46898 (219) 489-1711...

Kenwood

YAESU Ham & Vertex Business Radios FT-890, FRG-1008. FT-1000D, FT-530. FT-5200. FT-530'FT41lEt FT-040, FT-900AT, FRG-100B, FT-2400. FT-23R, FL-7000 Linear New VXR-5C0G synUiesiied repeater 25 wans, VHF or UHF TS-SOS, TS450S AT, fl-SDOG. TS-650S, TM 24l AJ441A> TR 751 A, Kenwood Service Repair, TSl4 Sr TS690S, RZ1, TS-790A. TS950SD. TT+70A. TH28 4 A TM & 41A. TM-741A. TM-732A, TH- 41A. TTWI-742A.

Down East Microwave

954 Rt. 519 Frenchtown, NJ 08825 TEL. 908-996-3584 FAX 908-996-3702 US & International Caltstgn lookup Over 1,186,000 listings and 113 Countries Now includes new FCC data format containing U.S. clubs, military stations, reciprocs calls, 637,000 U.S. amateurs, and 392.000 International tails ICALL DOS & windows programs look up name, address, expiration date, birtfi date, license class, county, lat long, area code, time zone, grid square, previous call and class, latest FCC transaction....

Bn

PRINTED CIRCUIT BOARDS for projects in 73, Ham Radio OST. ARRL Handbook Usi SASE. FAR CIRCUITS, 16N640 Fieid Ct . Dundee 1L 60118. BNB96G AZDEN SERVICE by former factory technician. SOUTHERN TECHNOLOGIES AMATEUR RADIO INC., 10715 SW 190 St. *9. Miami FL 33157. (305) 238-3327. BNB979 Plaques and Engraving for Amateur Radio Operators Attractive wall plaques to detail your operating accomplishments. Any custom engraving. Great product list. SASE lor brochure. KN3A-CameJfia Trophy Shop, 590-B...

Repeater And Linking Controller That Records And Speaks Your Language

RLC-5 Repeater and Unking Controller * 35 Real Speech Recording Slots for ID'S and Announcements * 300-9600 baud RS-232 seriaf port * 4 Layer high quality board construction Add true personality to your repealer system wnlh rhe buift-in digjtal vofce recorder Allows 75 seconds worth of messages, IDs, and club announcements on your repeater. Supports 2 full duple* repeater link ports. Make emergency autopalch calls with the auiopatch option Onlv the RLC-5 car make these features available ai...

Top Panel

The wire coming from the board ro the output lead of the 7905. The center pin (ground) of the 7905 should be soldered to the side panel, Wire in the optional LED and its resistor if you want an indicator for power to the LNA. Apply +12 to +15 VDC to the regulator. Current draw at the input to the regulator should be 60 ma, +MG , If it isn't, you have some iype of wiring error. Examine all the connections and cheek for soider bridges or other problems. Once your unit is drawing rated current,...

Expires

Mail to Radio Furj, 70 Route 202N, Peterborough.NH 03458 Or call 800-677-8838 (in NH call 924-0058), FAX 603-924-86131 Canada add S7.70 postage pi us GST loreign idd S 2.00 surface, 36.00 iirmail. Newisund R e SI8.00. Baiic Subscription Rale i 14.97. Qgy Anyone (including you) con learn ihe Mors Code in one hour Forget the No-Code License and get your Tech-Plus Tkket Guarantee You'll pass the 5 wpn code test with Unde Woyae's system or YOU GET A 100 REFUND Tin* truth is ihni no urn using ihi...