Info

Pian a visit nex time you> e in Washington, 1200 BAUD OPERATION. Not limited to 110 baud because of timing loops, 60, 66T 75 100 W.P.M. Plus 110,150. 300. 600 & 1200 baud operations possible. FLEXIBILITY OF OPERATION. Instantly change Baud Rates Program Mode (ASCII Baudot) Program Status. SPLIT SCREEN VIDEO. Transmit & receive data displayed separately. REAL TIME. Automatic CW tO without user in- , tervention. Automatically updates at end of month aw rDAt iri 606 State Street P.O. Box...

Ij

Put a broad bandwidth 80M dipoJe in 24 ft with the SLINKY D J POLE antenna. Comparable low SWR, space savings and performance on ALL HF bands, including SWL and WARC Complete kit 2 speciaf 4 coils, 50' RG-58 U coax, balun kit, mounting hardware and instructions Great for apartments, condominiums, motels and vacation use. Easy set up and adjustment Ask for FREE antenna comparison sheet Box 242 Suite 500 Biacksburg, Virginia 24060 703 95 T-9030 Money Back Guarantee Virginia residents W add 4...

Ddl

Ct> n, tin Tv ( cec flv S-mpe* tiebie Tuflt& k ef Hum on 5 - -SCi - i1 1eci iton m*fT-3rtia( Complet, ,fl- r 95 Asupftr senstiiveaniph-'iei hich will pu K (jf> a pin fop a IS Gr at Toi mon4orin tin1., s foo < jf as general pur post- iimpriFier FuJ' 2 W uns output, runs on 6 to 15 uoMf. lj m M5 ohm spea F

Specifications

Prin . ffpeed Printing node Max. 9 of ch Iint Matrix up to 6Qch-s-Incroraental, 80 alt. 132. 7 X 5 dot matrjjc, 2 * 7mm 1 8 I. 3mm 0.05hh I32ch Iine 2 + inn Q.QSy* SOcVline 2 . S4nau L 10 BOch Uile 1, 55inn n. 06 I32ch llne ECMA-6 7-bit coded char, set 63 Char, various national v .' r s ions, Sprocket feed, THESE UNITS WERE PULLED OUT OF SERVICE IS GOOD WORKING CONDITION. WE CHECK EACH UNIT ON A RADIO SHACK TRS-80 COLOR COMPUTER, Printer vith llnecordp box of paper, interconnect cable for...

S

HIGHLY STABLE DECODER KIT COMES WITH 2 SIDED. PLATED SD SOLDER FLOWED G io PC BOARD 7 567 s. 2 7402. AND ALL ELECTRONIC COMPONENTS BOARD MEASURES 3-1.2 Sltf INCHES HAS 12UNESOUT ONLY 539-95 NEW - 16 LINE DELUXE DECODER S 9.9S DELUXE 12 BUTTON TOUCHTONE ENCODER KIT UTILL2 NG THE ICM 72 HIP PROVIDES BOTH VISUAL AND AUDIO INDICATIONS' COMES WITH JTS OWN UVO TONE ANOOlZED ALUMINUM CABINET MEASURES ONLY J - x3J. COMPLETE WITH TOUCH TONE PA fcOARLl CRYSTAL CHIP AND ALL NECESSARy COMPONENTS TO FINISH...

Bedford In

The Hoosier Hills Ham Club wtll hold irs 21SI annual Hoosier Hills Hamfest on Sunday. October 10, 1982, at the Law-renca Courtly AM Fairgrounds, 4 miles soiilhwtjst on US Highway 50, Bedford IN, Registration is 3.00 per person and the swap shop is 2,00 bring your own tables)* The gate will open at 10 00 am on Saiurday, October 9th, tor campers and flea market setups registration -ecruirgdi There *tll be a free hsh fry, campiire ntetta< nment, coffee, and overnight camping on Saturday night...

Communications

FM AM SW LW 4-Band Portable with PLL Tuning ID chtn r pie Ail luii.n j l N pu M Hu1 Ih < i EntlHTy bB.Ek i y ltin f.j pnt-icl ilsr.ini sn f lrnh 10 k g y I > I Jileen t Q Up dClft n tp,jai lu HQ wffP mil tiull& n OulfUrch i LEO lunmg ind mcr. PM Dynamit tpvflh Turn no IflC tuition tfciH U*gt HO U I2 *K iflE> Hifc M' l or * C bBl r-ii mal hl I-.rlinji am J A * mUfclt 'tir itwfTiwy lapMf tut tu AJB aitti J ', -' -ij- H4m r - rs 1 - 1 lij-tlitt r Jtilp W Typ Si trtKiMniii KMPuS iMMi ' j....

Frequency Sources Inc Model Ms X Microwave Signal Source

MS 74X Mechanically Tunable Frequency Range MHz 10630 to 11230 (10 63 To * 1 23GHz) Mmrmum Output Power (mW) 10. Overall Muinplier Ratio 108, Internal Crystal Osciliaior Frequency Range (MHz) 98 4 to 104 0, Maximum inpul Current (mA 400. The signal source are designed for applications where high siability and low noise are of prime concern these sources utilize lundamen i a J transistor osciiiaiors wiift high O coaxial cavities, followed by broadband siaoie step recovery diode multipliers This...

Hustler

40TV - + Mir Vftrlica 5& Tfc. 3f ' V-- ertLca MOi M02 Hf Mot te Mas) HF Moo e flpsonitars std 400W 10 Of 15m 9 00 BM 1 Bumper in with SS Strap 13,00 SSM-2 Commercial s s Ball 14.00 SF'2 5'S Wave Meter Aniynna 9.00 HOT Hustlloff Mr wiih S ivfi ban Sn.OO G6-144B 2M Colmear Ijxed Siaiion 6dt- 68.00 G7 144 2M Cdilies' fined Station TdD 99 00

Filter Cascading

Because you and the leading radio manufacturers want the best-performing, the best iookins antenna Centurion has grown to be the Duck leader WeVe developed ny smaller antennas to make the handheld radio perform better, and now the newest duck.- the Tuf Duck mini It's shorter (about 3) yet it's a full 1 4 wave radiator on VHR P.O Bo* S 46 Lincoln, ME 66501 JBAt P.O Bo* S 46 Lincoln, ME 66501 JBAt

Gnc

Nents to preclude any interference with the disk controller board. Second, be sure that you always turn the power off to the computer before inserting or pulling out the interface or any other board All cables connecting the Apple to the outside worfd should be shielded. I used microphone cable (two conductors plus a shield) for those lines and tied them together using small tie-wraps to form a neat cable, Galfo's software is outstanding It allows you to transmit and receive Baudot and ASCII at...

Ck

All prins fob Houston when- indicated Prices 1 to chansj- withoui notice, all items guaranteed Sonv- iti rni subject prior & ale Te*a rL-iiderns addfi-ta* Plr.iso add sufficient postage lance collect ir - L > roi d- f '5In pjgp TJQ Commercial users and amateurs who demand the very be t will find professional quality and performance with Valor's Pro-Am Communications products. As original equipment or replacements. Pro-Am antennas and mounting systems are compatible with the Motorola type...

In Stock And Ready To Ship

Use ttie O'def card on Reader 5ervice page r itasn r pmrze .r Ofdef in a ser - - f pa r anr ma to 73 Radio Bookshop Pelerborough NH 03458 Be Sure TO include check or detailed credit catd information Mo C O D orders a ceL ref.i Add 1.50 handling charge fof Ihe first book Si 00 lor e u h additional I ot * Que* oris regarding your order' Please jviite ro Customer Kerne ar the a Do iddrev J . eeK ' r dei-v , FOR TOLL FREE ORDERING CALL 1-800*258-5473

Ik

Jse 1 he M I SUN OL I* - IL UL J - o STUDY GUIDE ADV CLASS -. SO1EH0 STUOY UI E I TRACLA-IS SG i 357 s nip y G y IDF *+ VIC E C L A 5S WK IH( lEIt METER FM HAM DBOO*. 1 L J-iSS TE5T EQUIP ua VI COMPONENT -Sr O TES OU-r' vi-AUO TESTEES LS ' t Ti- ItOUfPJ IM vi HADl L UIP.f J.B3 i,a736i iE- 1 LQujkufj V* it ri M fQ 1.95 UKJJ40 ItJOLS rEi HNIQUES .t*'lFi AK1W3 T r L COOKBOOK i 4.90 ilAIOSi 'VT COOKBOOK --s 'H '.-ii-- wv.Vj M- . BTl .'. L B -1V 1 R'iNuL A N1 - L3K V HF AN T E NflA HAN DBOOK i 5 W...

Low Cost High Frequency Counter

The Alliiij Muriel 0M 7 Dig i I Higri Fr qpBncv Ebunler ts eisy to u a, Switch l Clabla ti nisi bflSfl in lu i by > i iinfll HM nutfung ID h llt 1 - 8 btfl easy ro-road 3 n-gn .rnrensjiv LI D iftspby - Crysta1 3 wn c cor-- 3 1 .i 9 Sfc mti - Cffwen cm > tocNap Stfw t *10 * J I (X1 4e atnacii cast

Microwave Television

Thf stantterti RH iiownt o-nmNflr - -Qe shown iiQove gives ys i i proven convenor ciesjgn mounted in a wcathemgiii antenna in.ir h-aimes low wind loading c> nd imy inflation With litils pa ('.- are r.- . i-. i hourb oi Amaiaur ibIeyisiqti & ntcriBtnment Just htii the hi-'hh.v connet I one cable from tin aniens to me power -uopiy ano i second une irom the power supply to your ty andyouaraotiltaa t Ai dawncanve'ter use r. rostrip cofisrrm No-, foi long and r-eliabHr operation A iow vise...

Scoring

Each element is worth seventeen points. Logic is logic. That's all I say. Oliver Wendell Holmes. 1-20 points Not rational 21-40 points Semi-rational 41-60 points With a ration of rationality 61-80 points Rationalist 81-100+ points Very smart Wally, Steve, and Dick all will talk with each other. Give each ham's full name and the names of the other repeater users he will talk to. Four men set out on a DXpedition to put the Atlantic Ocean Isle of Long in the logbooks of amateurs around the world....

Se

Featuring the NEW VIC 20 friendly ( and affordable ) microcomputer Tufts has done the work for you in putting together a complete system, and for hundreds of dollars below other systems. Using the Kantronics Interface and Hamsoft we'll have you up and running rn only a few minutes. You'll also have the VIC-20 microcomputer for the whole family to enjoy with available games, home economics and many other programs. If you already own a microcomputer we have other systems available less the...

Ham Accessories

QAIWA HIGHLY MOBILE REMOTE MIKE SYSTEM T AUTOMATIC ANTENNA TUNER, 2 METER HT AMPLIFIER, CROSS NEEDLE POWER METER, AUDIO FILTER NYE VIKING- CW POWER IAMBIC KEYER t 3KW ANTENNA TUNER, HEAVY DUTY KEY SAVE AND 0< P UNAD1LLA REYCO - ANTENNA TRAP 1 FILTER TRAP VAN G RDEN ENG, - ANTENNA BAL UN MANY ANTENNAS, BOOKS, TUBES, ETC. RADIO ACTIVITY 531 West Collins Drive

Ji Li

. 310 95 459 95 77.95 93 55 37.54 58.70 60 70 99.95 78 98 188 95 SupFiK 13 50 5 95 18 50 28 95 23 95 M-W-F 12 noon-S pm T-Th-S 10 am-4 pm STORE LOCATfON & MAILING ADDRESS 1 3646 Jefferson Davis Hwy, Woodbridge, VA 22191 Send stamp for a flyer. Terms Prices do not include shipping VISA and Master Chargo accepted 2 discount for prepaid orders (cashier s check or money orderj COD fee S2.00 per order Pruces subject to changn without notice or obligation No personal checks accepte d R ettrrns s...

Hand Books For Hamshack

THE COMPLETE SHORTWAVE USTENER'S HANDBOOK. 2nd EDITION by Hank Bennett and Harry L Helms. This comprehensive volume contains loads of now information from alt over ihe world on the latest developments in SWL technology clubs, associations, practices and sta ons A thorough guide to stations of (he world by general continental area and frequency fs mcluded 3K+2*i S9 THE TEN METER FM HANDBOOK-by Bob HeiI K9EID Thi s ri< jndboc fc has been pubiishec to etp the ten meter enthusiast earn more aboui...

Jj

7Q MHZ IF BQARflt Th i a circuit provides About 43dB gain with 50 ohm input End output impedance, It is designed co drive the Demodulator, the 00-board bypass filter can be tuned to band-vldths between 20 and 15 XKz with a pauband rippK of ie-is thar. B. Hybrid IC*s are used for the ain stages* SINGLE AUDI i.' BOARD Thia circuit recovers the audio signals from the 5.8 MHi frequency. The Miller 90S coil* art tuned to pass the 6,3MHz subcarrier and the 052 coll tunes tor recovery of the audio....

MFJ

New MFJ-816 low cost HF SWR Wattmeter for 1.8 to 30 MHz range. Torodiat current pickup gives uniform sensitivity over entire HF frequency. Read SWR, forward and reflected power in 2 ranaes (30 and 300 watts) on two color scale. SQ-239 coax connectors, 4-1 2x2-3 ftx2-7 8 in. Order from MFJ and try ft- if not delighted, return it within 30 days for refund (less shipping) One year unconditional guarantee. Order today. Call TOLL FREE 80G-647-T& 0C Charge VISA.MC. Or mail check, money order Write...

New Orleans La

The New Orleans hamfest-compuier-fest. Amacom 82, will be hefd on October 16-17. 1982, at ,1 new location, Delgado Community College, near City Park. N w Orleans LA, Admission ls s3.q0 per person over 12 years old. There will be exhibitors, a flea market, forumsr ladies' activities, prizes, and a discission on International broadcasifng by the owner of the nation's only commercial shortwave radio station. Amateur radio tests will be given Saturday morning by the FCC TaFk in on 147.2B5' .BBS and...

Ox

The KP2A KP1 crew at Lulu Bay on Navassa From left WA2MOE. KP2A. MDX VP2VI, KQOO, W2IJB. N200, K1MEM N6CW in back. The KP2A KP1 crew at Lulu Bay on Navassa From left WA2MOE. KP2A. MDX VP2VI, KQOO, W2IJB. N200, K1MEM N6CW in back. An automated lighthouse caps the tiny island of Navassa, a few miles off the coast of Haiti. Navassa meets the sea in an unbroken ring of high cliffs, with no safe harbor or landing site. It lies 15 hours from the neares* assistance by boat and even further from heip...

Power Pocket

Add S3.GO r T shipping r * (Confl USA < * **) 1 FAMOUS llEAVESDROPPEfl SW RECEIVING ANTENNA nent antenna Tunes the 2. 6, 15, 20 and 40me flr Amaleur rounds Offers V3WR oil l i when properly adjusted To opera hnQ frequency Weil for uu u A poftatiie emergency bt lerma loo AmOi te to simoit any horizon auppor* *tff> a chmp Wfngha fhan pounds inck Otng tive base Iciading coils not used for 6 2 raters) coftx Ime and counter pot Wrup 22'V k> ng bieo fAteilo S7 Mounl 4 14-tang Power ratmg 360...

Hqu S

Funds Only California Residents Add Saies Tu Posta Add 5 (liO Insurance Sentf fcr JWontM Saies Hyftri Vdil rdbr ilHliorvIca ' Wetloihi Spec Shaets 30c oaCJl Send SI.D Poslage lor your FflE 7 3 JAMECO C4T4LOC Prices Subject to Change Vdil rdbr ilHliorvIca ' Wetloihi

Digital Display

F T'-r iiE 1 t- . r. . prti yl L Liz llflli nai smm to iffii, Amt jkhI Ui die* (Ht . *---. , r ff - t . 1 1 *r ' lit--. til . F T'-r iiE 1 t- . r. . prti yl L Liz llflli nai smm to iffii, Amt jkhI Ui die* (Ht . *---. , r ff - t . 1 1 *r ' lit--. - n.J a J I H. . . I - . I moijai it heath . i-. ffljw- ,+ioa,t I P. 11 .L1 I _ IDE je .iI.-Hjo t-> t 1J a I . I. (frnfl inii Cull nlU. J pljf - tr .i r , - i., r. - k i p Li In.f tj i r .-.L -tJ I i- f. - * < Kf it t Li i . f i J-IT * T t.-...

Immediate Delivery

The versatility, quality, and plain good looks of Icom's 2-meter equipment have made this line very popular The IC-280 is the epitome of all these traits. One feature is the well-thought-out system used for tuning. By spinning one continuously detented knob, the operator is able to quickly scan from 1 43,90 through 148.11 MHz When tuning, an optical chopper causes the microprocessor control chip to update the multiplexed digital readout and tunes the phase-locked loop with a digital coding The...

J

Includes 0.3 uV flcvr. 6 Pole IF Filter Crystals high stability .0005 Your Call programmed into IDer Provision for Auto-Switchover to Btry, Pwr. BuilWn 115 230V AC Supply basic Panel Controls, Spkr., LED Indicators If you're looking for a new Repeater, but you really don't need (or can't afford) all the features and options on our world famous, 'Super Deluxe' SCR1000 4000 then our new economy fine of SCR77 Repeaters is ideal for you These new Repeaters maintain the quality of design, components...

Keyboards Power Supplies

R 1 PS. un Jr iHirfuit ttart .in -0*F. C A-Comm Anod C C il mm T.H i h nil LH HH & k m ti r 0h I M h nc dOC. FEATLflES Llflhlweiflht neadphr f s. Liit riflhl t-a r C tOrttiCH Full fldfllllv Sler o Ound Add ttonai DlacK sou carrying case shoulder strap. Bett chp (handsfreet Opefafea on 3 AA eel* batten jnol mti ' Conr-a-' stza 3, - . i .VI o taiEAiiiitaH EKIMW wmwotiK Ctri thrrnituu canptrik -rth fin twwli** Part No. K& 69SD12-2 jFlli IniD DTE-2D EnclDturdf Ott int***t intwir IMp-1 Em Mt...

Contact

An ultra sophisticated yet simple to operate RTTY System fo- the demanding operator at an affordable Disk I O SAVEh LOAD, KILL A OIR TRI-SPLJT screen, user defined . . + DYNAMUC BUFFER ALLOCATION Live HARDCOPY lor parallet printers Keyboard CONTROL of STATION AtfTCMD RTTY, CW (selectable ON OFF) -CLOCKED OUTPUT rata All BAUDOT speeds plus ASCII (11 J NAME, DATE. TIME from computer On screen BIT PATTERN SCOPE For TRSJt, f.40D4U ptvs TU > fh 60ma JbOp nctude Post Paid 229

Chattanooga Tn Oct Za

Will feature Hamfest Chattanooga. to be held on October 23-24 1982 at Chatlanoo ga State Technical Community CoMeget Amnicola Highway, Chattanooga TN. Admission is free There wtll be rop prizes, acres of free parking, indoor and outdoor hea markets, and a spacious dealer area inside the physical education building, Oihcr features will Include a hospitality party, a Woutf Hong ceremony, ladies' and children's activities, and a cafeteria servmg breakfast and lunch Talk-in on 146.19 79 For further...

Iiiiiii

1 IM nil I' i i MM Mil r i 11 I likl Mi I . 11 i I r , ,U il -4.1 i. . - It Mllh.l llll.ll.Pl Itlllll I IMH4*Mldll tif Hill llfl *> t ' - > 'tt l> Ht4 11lMM9'MI* IPkiK i l.l< . ti III) I M I' VP i PI i. a f I I P 11 H llfl. M I. I'll 11 t pi kl i I i . t Lip. I Iii fi I * i * I i k i t r ,M1J PI 'I I 11 I- k I I 'I- 4L. I r -M IJ m * I' i n1 fei * i i 'ici ni. I J V ' dl. 1 I ppi I F-- ,44 4 II., 4t i kl pin IP I n i T4t.lH.rH I I I 4-. I P Honorable mention Bent Peder sen OZ5RT. out an...

Ordering Rules

Mail check or MO for S62.50 + 5.00 for shipping or phone (2141 278-3553 to charge VISA, MC or COD order. (UPS COD only, add S2.50 COD fee) 2. Texas residents include 5 sales tax 3. Orders for this unit will be shipped within 46 HOURS or we pay the freight (weekends or holidays excluded) 4 ONE TIME OFFER LIMIT TWO (2) SUPPLIES PER CUSTOMER. cH& rigmg 3 te* > a'i& on t ht- txaorc th r Input Sup < > will do H - 14V (ajustable) -V. up 10 MA PeflfVT toftftai2mi e near .a mi Wi sfind lsfr...

Qualityeconomy

MONORAND YAGI BEAMS TRI BAND YAGI BEAMS CENTER INSULATORS BALUNS DUMMY LOADS - AND MORE1 AH OX produc s are fully guaranteed Send large S A S E for free catalog Dealer inquiries are welcome P.O. BO * 3 7 L oton IL ftl S40 I'Siooe O 346- 2 0 0 7 '20DQ JKCt Band tad* CDi ntrie.1 -SCVfK Midi Uorfcail Conf me C I m* entire Dl Cilfsign *trOU Designate tht Model n Bi-.d PLUS 'B ro 1 3rd * ectproc*1 Licenilag - i U COM ifl nt *nu oni Zq tl 4Un que R a r .-i u-s bd 1 I Fig Latitud Unqfit dc LU5 Iftftl...

Tdu

Button on the front panel becomes available for controlling the gate operation. In the normal position, B3 and C3 data would not change through the gates. When a high is placed on the switch, the exclusive OR gating will reverse the data levels on the two lines going to the PLL. After spending several evenings experimenting, I found the parts required to elusive OR chip into the circuit were more than 1 wanted to use, I finally decided that even with all the CMOS IC sophistication, a simple...

California Qso Party

Sponsored py the Northern California Contest Club,. with strong efforts being made to have all counties in California on for the contest duration. iS Ingle-opera tor stations may operate only 2A hours of the contest period off times must be clearly marked in the log. Multi-operator stations may operate tne full 30 hours. Stations may be worked only once per mode per band All contacts must be simplex. All CW contacts must be made in the CW subband California stations that change counties are...

Treasure Island Dxpedition

Thr-i Garden Slate ARA < W2GSA) will hold its 3rd annual special event Ihe Treasure island expedition. iocaled in the Man a* squar River Monmouth f.ount> NJ The event is to commemorate the stay o Robert Louis Stevenson on the tsland after he wrote the book or the same name. Dare. October 2-3. 1932 time 1400 to 1400 frequencies. CW-3 535, 14 035 SSB 3 900-7.235 21.375-28.725. QSL certificate 1.00 to L( u EloeWAZSSH7Carol Ave. Neptune NJ 07753 No postage necessary,

Autoconnect

Enjoy super-gain, low VSWR, and FULL COVERAGE, 144 through 148 MHz, with less weight and windload, Dual-driven elements, balanced feed for a better match and clean pattern. CIRCULAR POLARIZED For the Phase 1MB satellite and terrestrial DX, ATV, and FM. Minimizes multipath and flutter fading. Rugged symmetrical construction. IDEAL for point-to-point and repeater control. Rear-mounted, vertically polariz ed, compact. Continuous coverage, 420-470 MHz, Direct coax feed suitable for most...

Wards And Entries

Maintain a continuous log for phone and CW but indicate on entry which category phone CW. > r mi*ed you are entering. Certificates for top scorers in each category will ba awarded Mail lofts. dup sheeli- (for ovpt 200 contacts), and summary by November JOtn to CARA. c o Robert K Nay man WA3VUO 4Q17 Font Hill Drive. EHicoM City MD 2T043 SIDE WIN DERS ON TWO (SWOT) OPEN QSO PARTY Starts 0000 GMT October 2 Ends 0600 GMT October 4 Starts 0000 GMT October 9 Ends 0600 GMT October 11 This's the...

Act

SYNC Transmits -Biank-Fiir ,n nm and 01 in Mofliwhon Toil Rutiflr 19 empty and umt s in T'artsmH Keyboard command onio< f UN-SHIFT on Space1 Autom-meaHy inlffs back to L fcTTEH'S' upon ivcaitpl or Tfarr3mi35io'i oT sj cc. Ki twafd comnfi rnJ oriJejff REALTIME CLOCK KeybM d jh.-i. HwAyi ufi dltplay hou'i mmutHi. seconds Car aiiti be - er- -r m 'rqnsmi* Kil bulbar bf -ivfjOJfrf comcmand. WOFC WRAP AROUND Pi n a Splltrrng * > ftf& JT Ol 1 i Wot*-, CODE PRACTICE Fia dom 5 cmi generefo* rds *...

Electronics

TOWERS, .rotoas antennas coax hf kcvrs O ' 100Q inutiur '3 KJ iiaiJH If l*t*J Cf t*HMP *Cr jtoffi inet mart ffi ih m art in stack 1 Op4n SEVEN DAYS ft NO SALES TAX in New HimfMhirt VauM l. d (hat out DISCOUNT i> RrCES ara hard Id b**l jnd guf FHIfNOLV 5 RV ICE h t* fid TO Wi , Wi'r* oniy 3(5 irtmi ham Hi* t2fl tn BOSTON via Hit 3, and only 45 LCCAN lnl matior> jl Airport in Uoiron . If you CBnnal vmt ui ihHI try our FAST mill Hfftar u> rv.c*h Mod phiF and PHON t ord r* in tfilppBd M* on*...

Gartg Worldwide Sstv Contest Part

Starts 0600 GMT October 9 Ends 0600 GMT October 10 This is the second part of a two-parl contest the first weekend was in April but rules were received too late ior publication. The contesl is sponsored by the German Amateur Teleprinter Group (GARTG). A 6-hour nonoperating time must be taken at any time during the contest. Use 30-through 10-meter amateur bands, SSTV mode exclusively The same station can be worked only once per band. Operating categories include a) SSTV transmitting and re...

W

A bit of GE's RTV (or bathroom tile silicone rubber) may be used to secure the board and relay. The same general procedures may be used for adjusting the various pots (R3 through R6) as was described for the simpie RIT circuit. First, adjust R5 (Fig. 3 for center frequency. I hen turn RIT switch 52 to OFF and adjust R6 for the same frequency on readout. Turn S2 to ON and then ad ust R4 with mike gain turned fully counterclockwise, mike PTT switch on, and S1 in NORMAL. Then c...

Pot

Fig. t Simple2 RIT, 70 73 Magazine October, 1982 since it had built-in RIT, it was used almost exclusive- y. (For those interested in such a scheme, see my article, The Heath Kenwood Connection ' 73 Magazine, April, 1979.) When a friend wanted my Kenwood vfo for his 520, I began to develop a more direct RIT system, one which could be integrated into the 104's vfo circuit and still not drastically alter the rig's appearance. In the experimenting, I found that not only could I get RIT, but that...

Untold Wealth

Well, it looks as if I've struck again. The TYRO material in 73 can if you find yourself getting interested in it. lay the groundwork for getting into what is going to be a huge industry within a tew years. I'm referring to the coming direct television broadcasting from satellites Sometimes I get discouraged. On the one hand l get letters from readers ,vho thank me for getting them into new businesses such as home security, computers, and so ont telling me that I provided the impetus to get...

T

14 MISC-SW Mise Parti Kit Inckidas H idwmt. (6-32. 8 32 Nuts & BbJiO Kunhip Win Aril I PPT Am Switch Fut Fua liBld r etc Wh it lirlr.nnq Alf heim. 1 lltru U 1 Prien 14 MISC-SW Mise Parti Kit Inckidas H idwmt. (6-32. 8 32 Nuts & BbJiO Kunhip Win Aril I PPT Am Switch Fut Fua liBld r etc Wh it lirlr.nnq Alf heim. 1 lltru U 1 Prien 4 iffl 31-PW0 b & PTT fWD

Sd Iwdo

Sbippm Please add Si.00 per regarme Orders 01 ten magazines or twenty-five magazines add S7 50 per order. Use the order card in this magazine or itemize your order on a separate piece of paper and mail to 73 Radio Bookshop Peterborough NH 03458. Be sure lo incJude check or detailed credit card information. No C O D. orders accepted. 11.50 for the first book. 1,00 each additional book forUS. deUvery and foreign sufface. For foreign airmail 10.00 per book Please allow a -6 weeks for delivery....

Personal Test

Give the MFJ 496 or MFJ-494 Super Keyboard a personal test right in your own ham shack. Order one from MFJ and try it - no obligation. See how easy it is to operate and how much more enjoyable CW and RTTY can be. if not delighted, return it within 30 days for refund (less shipping). One year unconditional guarantee. To order, calf toll free 800 647-1300. Charge VISA, MC, or mail check or money order tor 339.95 for MFJ 496, 279.95 for MFJ-494, 39.95 for MFJ 53 AFSK module, 29,95 for MFJ 54 Loop...

Connectors Made Im

Double Wale Conrwctor H.79 PL 25 Double Female Connecloi 98c ' 'i pat ord w'RCA rvpe piugsea nen SISf QO Reducer UG 175 or 176 _ 10 1 99 UG 2 D u Ar phenol Type N Male 1 * Gr S3.00 BNC GB8C U. male 1.25 V 16'Hl h Mihe Pluq ror Collins etr Si.25 FREE CATALOG COD arid SI.50 FLA. Res. add 5 Sales la* Rotot Cable a con 2-18 y ,622ga i9eJft. Connectors shipping 10 add' , 2.50 minimum Cabse-shi fK SlOO ist tOOtl L 0C sac ''0 it 1327 NE 119th Street. Dept. RLOt No*...

Philadelphia Resins Corp

20 Commerce Drive Montgomeryville, PA 18936 (215)855-6450 Telex 84-6342 DISTRIBUTORSHIPS AVAILABLE to qualified suppliers of amateur-radio equipment DISTRIBUTORSHIPS AVAILABLE to qualified suppliers of amateur-radio equipment W2IJB and K1MEM in front of one of the operating positions. Note the hill in the background blocking the path to Europe. W2IJB and K1MEM in front of one of the operating positions. Note the hill in the background blocking the path to Europe. Gabriella and the DXpedition...

The Test Equipment Library

VOL II AUDIO FREQUENCY TESTERS Jam packed with ai> kinds of audio frequency test equipment If you're into S5Br RTTY, SSTV. etc this book is amust for you. a good book for hi-fi addicts and experimenters, toe' LB7360 S4 95T VOL II RADIO FREQUENCY TESTERS Rad-o frequency wavei. 'he comm denominate* of amateur radio. Such (ems as SWR, jntenna Impedance, iine impedance, RF output, an fitrid strength detailedinslrucHons on testing mese Mems include sections on signal gen erato.r3, rystal...

The Word Is

The word is out The SSI I 5 8 wave The gain of the SSI I is specified in DB at a am Exhibits 90S gam ove* a RD2S 1 4 wave and 5 8 wave over a RD2S Rub ber Duck These gain figures have been obtained from extensive field strength readings. They are not represented as tuned Rubber Duck and 3DB when collapsed toa 1 4 wave. In fact. theSSII is the only 5 8 wave HT ant. That will collapse to a matched 1 4 wave .and gain over a dipole or 1 4 wave the RD2S Short Duck was equal to or ground plane Nov....

Vv

Umax. 1.2Typ. l.Smax. 95Typ. 120max. 480min. 550Typ. 630max 2.5Typ. 4max. 1.7Typ. 2max. 37 OTyp. 1S2200 7'50 9min. lOTyp. llmax. 1.2Typ. l.Smax. 75Typ. 90max. 440min, 520Typ. 600ma 2Typ. 3max. 5Typ. 8max. 350Typ. FAIRCHILD DUMONT Oscilloscope Probes Model 4290B Input Impedance 10 meg., Input Capacity 6.5 to l2pf., Division Ration (Volts Div Factor) 10 1, Cable Length 4Ft. , Frequency Range Over 100MHz. These Probes will work on all Tektronix, Hewlett Packard, and...

Khd

Professionally engineered cavity construction Power Rating 2.5 kW PEP. 1 kW CW Impedance 50 Ohm Insertion Loss Less than .2 dB VSWR 1 1.2 Maximum Frequency 500 MHz Isolation Better than 50 dB at 300 MHz better than 45 dB at 450 MHz adjacent terminal Connectors SO-239 J.W. Miller Division BELL INDUSTRIES 19070 Reyes Ave. P.O. Box 5825 Compton. California 90224

Call Toll Free

Call 601-323-5869 for technical information, order repair status. Also call 601-323-5869 outside continentaf USA and in Mississippi. 4 Write for FREE catalog, over 80 products Box 494, Mississippi state, MS 39762 tory. They installed a new connector and assured me no additional problems would occur. Over two years have gone by and none has Since the three-wire service to the house is aluminum wire which is prone to produce a highresistance corrosion layer on its outer surface, you can be sure...

Clocked Operat Cn

Fig. 6. fa) Two AND gates and a type-T ilip-flop combine to form a l*K flip-flop, (b) Several designations IMC T, or Cp) are used to indicate the clock input for a l-K flip-flop. (c) When both the presei and preclear inputs are HIGH, a f-K flipflop is in the clocked mode. The output depends on the status o the I and K inputs, (d) Direct control of the l-K flip-flop is ac( omplished by using the preset and preclear inputs. are no invalid or disallowed states in the clot ked mode (b) it can cause...

Fort Wayne In

The Allen County Ar iateur Radio Tech* nicat Society inc. (AC-ARTSi. will hold ihe 10th annual' Fort Wayne Hamfesl o November 14, 19& 2. at ihe Allen County Memorial Coliseum. Fori Wayne IN Admission I a 2,50 In advance and 3.00 at ihe door children under age 11 will be admitted free Regular lables are 6.00 nd premium tables are 520.0(1 The Coliseum charges a St 00 parking fee. Doors will open to the general public at 8 00 am and *or vendor setups at 5 Q0 am For further lick or table...

Beeper

THE PROFESSIONAL TOUCH COMES TO AMATEUR RADIO HP 3 alitor aucsJJy provides agantle hiflft frequency beep at the ttfginnmg of ooch traruwnis Ellin and rt low twep at th8 nd Virtually- vllmi-n vpt'1 Opamtes fur up trt on v ar Oji titti le 9 V baiLeiy imt supplied Can be '.3 ir traced ti an,y trKiiBtfUVvr winch 1b iteyixl by f,-. jimIIihc tTT Ln ihe r*J7 lint tc ll. * n - - i> e .uve - grant E4 VTiC nor ifte currmi grtwimr h*r. l'30 ma Wnrkii with virtually ail mr-der oar You ve heard jl. jm.-jv...

Amateur Microwave Antenna

M-21 SYSTEM FEATURES 55db System Gain 36 Parabolic Antenna Microwave Downconverter enclosed in aluminum die cast case SPECIAL PRICE S17996 T 1 SYSTEM FEATURES Over 35db System gam 22 Parabolic Anienna Microwave Downconverter enclosed in probe SPECIAL PRICE 129 95 M-21 & T 1 Systems come comp ele with Attractive Power Supply 50' RG-59 60 + Fori 3 RG-59 Jumper SRS has other microwave systems, kits, boards, and components available Complete Satellite receiving syslems from 2195.00. Send for...

Dorr

With ji Imle a am- fftti of grijuftd pjan Ihi unique Cfl A *Qrt lej antenne DrowJdei. commurm Jlion Pinrr rtU3l v inyw wE Lo* SWR match SOnhm icure nine Space G .iiers no iv ble toi o* 1 1 u llr-b.ind oper ti1 idh from 3 L, 1 > 1 H MH 1635 WEST RIVER PARKWAY GRAND ISLAND, NEW YORK 14072 . S39 piui S2 stepping ,ind njiifJI inj fcarllioentjll USAr

Uk

426 West Taft Avenue, Orange, CA 92667 800 854-0547 California 714 998-3021 ping occurs in the speech processor (where it is also cleaned up' with a filter) and not the transmitter's final amplifier The Splatto-meter will detect these peaks and incorrectly indicate the signal is splattering. This shortcoming is really not the handicap it first appears to be. Once the clipping level in the processor is correctly set, that circuit will prevent the transmitter output stage from being overdriven...

Aesstore Hours

CS-7 1533 Re mole ant. switch (Re* 195)NOW 174 534 Control console only tor CS 7 llT*5 1535 Remote switch only for CS 1 78 i 550 R*'C onty terminal (Reg 499 J NOW 449 TR 930 Panasomr 9 monitor (Reg E185) NOW 159 Service manuals lor TR 5. TR-7A & R-7A ea 3500 7037 Extender card service kit R-7A TR 7A 50 c 1982 World Radio TV Handbook I6-* MN 2700 ant tuner (Reg 53 9) NOW 309 MN-75 200w ant tuner jReg 259) NOW 229 fl-1000 4 1 AK-75 Multiband AA-75 Antenna insulator kit 3 TR-5 9 band...

Aea

Xml MM-2 MorseMatic Ullimate Keyer CK-2 Contest Memory Keyer KT-2 Keyer Trainer Isopole 144 220 MHz ALLIANCE HD73(1Q.7sqJU Rotator U-100 Small Rotator ASTRON RS7A 5-7 Amp Power Supply RS12A9-12 Amp HS2QA 16-20 Amp RS20M16 OAmpwimeter AS35A 25-35 Amp HS35M 25-35 Amp w meter AZDEN PCS4000 300 Most accessories in stock B& W Folded Dipole 80-10 meter BASH Study Guides Study Tapes BENCHER BY 1 Paddle 8Y-2Chrome Paddle BUTTERNUT HR> V CUBIC A3Tribander3 EL...

Applied Invention

H SOURCE Fin kjliq tatl s'a rt Jf I c Ami M R u,ind Vflfy Hw nui IKKT M ulV l vh H R-F3T UT Milf M 1 Inl'M (t lrfW) 0 -ttMi S11 Q9 MCJ l-si B aiiAilAM-i I.D 0 fl 550 i U 3 l I D iflftil ft 4I K-m ' 103 SkJAftftNTFf I Q RM -f H .' .'. i . 0 WW 1901 tt- MOM OMCWE Hwuu (II irWKr 13 feta FET QttAun FOintDi - JJ. - FO 12 tfl * I' 170 lie JO f rqi i3 5fl Fflypiui , khf -- - - jh- - Mi tTM vfk 2 Ortp i qr I CHi Sjlfftlt TVHQ FD-mi jKf 00 pi* V iLId 10 i b h ufRiM Ptarge Hi 00 Wratuln' niin ri nFca iy...

Cmf

E S.-OJ JC-'IvE' FlfEl FIL TP r W F I L, T a S'L ECT fl_E Zi Tl* 'HG rcM ' l T M EDMUilUTIW -ILTEF 2 01 1 1 ACTtMt rUMLp_E FlLTtB SJfl E S.-OJ JC-'IvE' FlfEl FIL TP r W F I L, T a S'L ECT fl_E Zi Tl* 'HG rcM ' l T M EDMUilUTIW -ILTEF 2 01 1 1 ACTtMt rUMLp_E FlLTtB SJfl Uli LMAFMLWlAflTq-t, lEPeOp. 50 CM IIP A< AHM IP to 17 UP TQ 100 O mm* KdHMC tJi.ifFlP L nn f t -K niiWjLE ro liOCf C CflWUTIR iFiTCWHtt

Compromise

As to the no-code license, there seem to be two schools of thought on the idea, with neither side willing to give an inch I feel that the Let s-keep-the-code group is broken down into two subgroups. One subgroup feels it would ruin amateur radio and the other has the attitude,.,1 got mine the hard way, let everyone else do the same. 1 disagree with both subgroups. But, that's not to say either group js entirely wrong. Why not a compromise Why not a six- or seven wpm code test Who says that...

High Performance Preselectors

* Ultimate rejection over 80 dB * Five large tieficaI resonators 600 kHz at 144 MHz - 3D dB -1.6 MHz at 220 MHz -40 dB 5 MHz at 450 MHz -45 dB * Tine solution to interference mtermod and tfesens problems on repeaters * Dimensions only 1.6 * 2.6 x 4 75 excluding connectors * Custom tuned to your frequency * Allow 2.00 lor shipping and handling We have a complete line ol iransmiiter and receiv er sirjjjs and synthesizers tor Amaleur and GGnr mercial use Write or ull for our free catalog

Awaynegreen Publication

Mail Order, Peterborough, N H 03458 pqm a c n rifww btt* wt CVU-B, 4 OtA-ftK iA t-E TW > - r** i.- mi CjJtLl rv FAS 1 w iin yuiib Ifftf L'A. bftn rwtH Eh nJ FW ntn-iiAp luilnp Tnii pl4QM m) ipi-stii- lifti . infria n''i * ,n< U IV hvrniB - . fflwy r.m h IKIlHd i-, ih .IHF -,ut *< pttflmi TV Hl Fwvl m P-M* riidMnd u'id luptdhApd chyii l m J I .- - r man ut> campim* r.i r J ig 1J tto ncOf VHF iw'idr WrrtJi J JMl Sr FOF VJflCO JIOM Jfllf TV*

ICOM Handheids

ICOM's reliable, field proven, handhelds have been the most popular handheld on the market. Here's a few reasons why THE TRANSCEIVERS. The IC-2AT futures full coverage of the 2 meter ham band. Tiie ' C-3AT covers 220 to 224.99 MHz, and the IC-4AT has 440 to 449.995 MHz. Each radio Is only 2 .6in x IA in x 6.5 in in size. Excellent audio quality is provided by a quality speaker and an elect ret condenser microphone. All iiave battery saving 0.15 watt low power. Tout it one pad is included S...

Rky

Feedline resonant lengths are shown bx dots and solid lines these lengths should be avoided. Ideal lengths lor a 20-. 1 and 10-meter ieedline are hown by an X with a dotted line. Resonant frequencies chosen tor this chart are 14.175, 21.225, and 18.500 MHz representing an approximate median tor each band 28.000 28.250 28.500 26.750 29 000 29,250 29.500 point where the feedline en ters the base ot the antenna After the choke has been wound, the remaining length of I me to the ng should...

Have All Pl Tones Available At Your Finger Tips

Outboard the tfp wtlcht H< ive It nea y intaysd m 1o me covef otytxji Talkie naming all 32 PL Ton Seteclable a mcjm fs notice 325 Got your own PL' Send It to ua with your Handy-Talkie unir qnd < *n do the prafessianai installation 'or you 55 We will Install w PI. AnrJ intay the dip switch Into the back cover or your Handy-Talkie teady to ope rate Ser,d us your HAndy-Talklu unii and a, ehfltcli or money orcier plus 3 50 i shipping and hand-hng (ayable lo AAW PRODUCTIONS. INC. Ihe Puah-ioTaJk...

Goto

T KftFIlCS TO A GI EH COUNTRY PftJHT'ltHTEP COUNTRY IWJT ft ,CT* e IF LEFTf CTf.1> * - THEN 250 FOR T j TO H IF CTIOCKI) THEN 758 710 CT l 740 ffliNT F*iJ> , I > C*fJ> > TABi 750 NEXT I 77 PF IHT UNABLE TO LOCATE COUNTRY h ,CTl 700 GOTO 630 7iH ENI- 1020 CD < 3e-WJ 30 30 L30 B--H2-M1 if 100 ia50 IF TrtW CK i F -K IF & ir OR 1H H 1240 iOQC ft ir 2 LOW X flTH< SIH< A-BV2> iSJH A+BV2> *TANtCU 2) > > L lilO YATH< COS i A-F> 2 VCCOSf < A+Bi 2> TAH c C W2> ) >...

General License

QSL CARDS 73 turns out a fantastic se'-es o* QSL cafds at atcut hail the cost jf having them do e etse where because they are run as a fill-in between printing books and other items n the 73 Print Shnp 250 Style W QW0250-for S8 95*. 500 Style W QW0600 for i 13 95*. 250 Style X QX025Q - for 95* 500 Style X QX05G0. 250 Style Y-QYQ25Q-for 8.95 500 Style V QY0500 or St3 95 ' Allow 6 2 wks for delivery * LIBRARY SHELF BOXES - These sturdy *mte. corrugated rfjn -esistani do i each hold a lun > a'...

License Plate Holder

Tf you happen to live in one of those states where only a single license plate is required and you're a radio amateur to boot, Vani-Piate has something that you'll be Interested in a vanity plate holder and the plate to go with it You can dress up that bare front bumper with a personalized vanity plate showing your raised callsign in while or black on a variety of colored backgrounds, framed in a chrome bracket which sets it off attractively on your vehicle. The mounting plate is made of...

OCT

The Pack Rats sixth annual Mid-Atlantic VHF Conference will be held on Saturday, October 2, at the Warrington Motor Lodge. Rte. 611, Warrington, PA. Advance registry tion 3.00 at the door, 4.00, Price includes admission to the 11th annual Pack Rats Hamarama on Sunday, October 3, at the Bucks County Drive-In Theater, Rte. 611, Warrington, PA. Admission to the Nea market 2.00 and tailgaling 4,00 per space. Bring your own table. Gates open at 7 30 am. Talk in via W3CCX on 146.52. Information for...

Ma

5 W 1 1 90 11 4 OS 3 S * 9 4S G TO RESISTOR ASSORTMENT B2saa - too pc* n t * , 22.50 Stock Nd 0ZW1 eT 10-1J I S i -IM -39-47-4C Ohm Stock Nfl B3M3 iO ** ot W- i l JO l 2tM SO 10O22O 37D> 330 300 OHM Stock Na 8iM3 10 es ol A IO 560 BJO 1 * 1 JK1.5H I fth JK S OHM Stock NO. H2Sa* 10 Ol 3 JK 3.9K 4.7K 5.6K< G.8K 2K I OK 1 2K 1 iK 1 Hh OHM Stack NC. aafrUT) 10 . Ol 27K 27 H 3 3K 19 -17K-5 K GflK B2K' i OQK- 1 0K OH M SlOCk NO. ftJSOO 10 au Ol I 50 ISO 220H-27 K 330K 390K-liOK nOK GrtOK H...

Santa Cruz Ca

The Santa Cruz County Amateur Radio Club will host the 1982 Pacific Division Convention on October & 10, 1982. at the Holiday Inn, 611 Ocean Street, Santa Cruz CA. Full registration is 25.00 and in-eludes the Sunday banquet, the ladies program with < unch, all Friday evening events, and all forums and technical talks. Registration ior forums and talks only is 7.00. Booths are 100 Friday evening events include exhibits, a league session, and a hospitality room, Foi more information, please...

G

POST OFFICE BOX 56 5 ORANGE CALIFORNIA 92667 T141 998-6080 6331370 POST OFFICE BOX 56 5 ORANGE CALIFORNIA 92667 T141 998-6080 6331370 Your personal computer becomes a complete CW RTTY ASCII send and receive terminal with The Interface linking it to your transceiver. If you own an Apple u or Apple II Plus, Atari 400 or 800, TRS-80 Color computer, or vic-20, The interface win put your computer On-The-Air. Software for each system features split screen display, buffered keyboard, status display,...

Framingham Ma

The Framing ham Amateur Radio Association, Inc., wlfl hold Its 7th annual fi ll Ilea market on Sunday, October 31. 1902, at a new and larger location (diagonally across from Ihe previous location) at Ihe Framingham Civic League Sliding, 214 Concord Street (Route 126 , downtown Framincham MA. Doors will open at 1000 am but sellers may begin setting up at 8 X a - Adm& SiOT is S2 QG tables a.re S O.OO and pre-regisiratHon > BIT O BYTE < Eliminates or greatly reduces interference to TV...

Magazine

73 is a virtual encyclopedia for radio amateurs, covering everything from Amplifiers to Zepps, No other ham radio magazine covers the entire spectrum of amateur radio better than 73, Can you think of a nicer way to say Happy Holidays to your favorite ham than by sending them a subscription to 73 Magazine After all, it is better to send than to receive. No other ham radio magazine covers the entire spectrum of amateur radio better than 73, Can you think of a nicer way to say Happy Holidays to...

Fma Audio Subcarrier Generator

w * m S r r -m s- t t i- V- v i P Puts audio on with your camera video jusl as b oad i J5t TV (JopS al 4 flflHi Puts qui up CO 1 m p-p lodrm* Ib TX A.5 or VM-2, 3. or 4 odufatoii Requires low Z mic (150 o t 00 ohmsl. and 1 Jvdc ma W ks with any k.n-. i S rflH video bandwidth. TXA5-4 ATV EXCITERfMODULATOR.SBQ ppd Th is wired and itsied module ie. designed to ckr a tne Motorola WHW-710 rfltidulc In he PA5 10 wall linear am The r-y51a n the 100 rtiM ogion keeps har-Tim flics Oul Of in a meters...

Si

J MRP90 TRANS. 2 HP NODES 6 CHIP CAPS *LARGE 8 RESISTORS 4 PREPA RED CO IS, PAC TOR y WOUND 33 WASHERS 32 SPACERS T 3 FOOT ROD 2 NUTS S * PVC PIPE 2 **END CAPS f MOUNTING BAR F CONNECTOR NUT AND BOLT P.C. BOARD T POWER TRANSF. T 3 T t ADJUSTABLE RECUL A TOR 3 RESfSTORS 3 DISK CAPS. 1000 MFD CAP. I DPDTM N1 TOGGLE SWITCH

Letters

As a government employee, and therefore one who is often concerned with maintaining a proper office enviroment, I was intrigued by the July,. 1982 con-stuction article on the negativeion generator. I promptly buiit one, installing it in a decorative plastic vase (complete with decorative plastic flowers) in my decorative plastic office, it seemed to work, improving the atmosphere around the 'salt mine But ail this improved atmosphere seemed to be at odds with the usual need for office...

Ydw

Mrkfllt-slutm -1 1 r, (Lkc, 5DK jylfli- DiJutlJe ins i. Trjtit, 430 K bv 9 ea Kir, sarenseri * open con trucllon (SOC) power supplies are series-tvgulalod oUd-atnls systems desigr> ad Id provide rog DC voltages at 6 level 2-20 Grunge). Theae units are opert-framad on slufdy black a nodded aluminum for txceltftnt mounting. FiATiiKs nt m TOTAcmw w S * im M J Powertec Syb-Modular DC Power Supplies 5M Series power suppDss Include reclElylng, Dllor4ngh foguEarln . overload tnd cvenroltege...

Bk

APE f. ' PV topt TAPE M - WPM CODE r A F1 F + PM DOE 14PE- I WPM CODE T4PE& FOUR Alii vE.- SI'j I LCOWtESTCOOKBOO I *0 C OWPUTE fl OA V S i 11ft, E ERAL UC EN3ESUIO* CUfDE i- A CiUlDE TO HAM RADIO HOPev COMPUTER'S AflE Hf flE 4 M HOW TO BUILO A MICPIOCOMPUTER REALLY UNDERSTAND )T 19 c O AMPOOO aOOK INIERFERENCI HANDBOOK I rtAGlCOF HAW HAOtO S 4.SA Utv. AIMER Ell HANDaOCM _S Iff .t l CE 7-r H 1 -PES t ' . f f.r . POWf jURH NDBOOp. i SM40li PUAUi A, FORTH HAOPO tir m' rME PflA IC AL...

Memphis Tn

The Memphis Hamfest will be held on October 9-10,1982, In the Mid South Building at the Memphis Fairgrounds. Memphis TN. Children under 14 will be admit led free. The nours will be from 8 00 am to 4 00 pm on Saturday and 8 00 jm to 2 00 pm on Sunday. The deadline tor flea-market and dealer selups is 9 00 pm on Friday Activities will include lorums, ladies' programs, and a Salurday night hospitality parly. There will beon-siie trailer hookups available. Talk-In on ,28 .68 and .25 85. For more...

Telex Communications

,'See L-st Qt AaverifSt-rs on cage 130 Paul Svvejringen VV9 1 R R. T. Box 485 Sen On li 62811 Antenna tuners can be designed to match a wide range of feed line impedances to the lov -output impedance of the t picai amateur transmitter Many of the current, commercial- ly-made tuners can be used tor coaxial feediines or for the high-impedance open-wire feedtines. This f lexibility of use is not without its price, however, as the high-impedance capability re quires the use of wide-spaced,...

Awards

Certificates it the htghest-scoftftg sia tion in each state, province, or country with 2 or more entries. One certificate to highesl-scorlng Novice Ti.-i.'hnician overall. Entries automatically considered ror annual Triple Crowns of ORP AwardL Separate log sheets are suggesied lor ea h band for ease oi scoring Send full log data Including full name, address, and hands used, plus Wfjrk sheet showing de lails and time(s)ofi air No tog copies will oe relumed Please indicate If you are a Novice or...

Acd

THE CHALLENGEOF 1PQ -The growth ot amateur radio today is encouraging ihn use of 160 meiers. All the inlor-malion ner (3S3an to get started on this unique band, the a l-imL-.ortant antenna and grountf systems are described m deiEK Also. hovf to gel onr top-band operating tips top band transmitters propagation -rather recetvtng equipmf r-i inc mort are covered ifi lull. T e introduction cottons intqrestmg photos ot Stew Perry ihe King of 160) shack This reference is useful to new and experienced...

Jamboreeontheair

Starts 0001 GMT October 16 Ends 2400 GMT October 17 It's Jamboree time again Time for Scouts, forme* Scouts, and anyone interested. to meet on the air for a weekend of good Scout talk. It gives amateurs and Scouts worldwide a chance to iisien toor talk with other Scouts. In some cases, GARTG Worldwide SSTV Contest (Part 2) Side Winders on Two Open QSO Party (Pah 2) Maryland-District of Columbia QSO Party 73 Magazine 40-Meter World SSB Championship 71 Magazine BO-Mater World SSB Championship 73...

Marion Oh

The Marion Amateur Radio Club *ili hold its flth annual H+ ari of Ohio Ham Fi-est* on Sunday. October 31. 19Q2h irorm OBOO to 1600 hours, at the Marion County Fairgrounds Coliseum, Marion OH. Tickets are S3.Q0 In advance and A U0 at the door. Tables are 5,00 Features will include prizes, a large* parking area. and food. Talk-in on T46 52> 147 90 30, or 223 34 224 Fo* more information tick- i - Of tatiles. conlac P.iul Ki er VJ8GAX. m Pole Land Road, Manor OH 43302, Theft F Hill ARC will hold...

Clock Kits

Your old TJvoni * ire hers ogjm. 0 n 7,000 Sold to Qflfe Si one ot the gmg and order yours todiyr Try your hano a building The finest looking clock on the market Its satin finish jnodi ed aluminum case looks great anywhere niip six 4 LED digits provide a highly readable rjispiaT S is a complete kit no e*tras needed a d it only takes t-2 hours assem& ie You' choice of case cofors silver gold, black (specify) Clock kit, 12 24 hour. DC-5 24,95 Clock with 10 mm ID timer 12 24 hour DC-TO 529,95...

K B

Mice fJiMrul pee* nl shrink sift 1 1 r ' . '.hnflN lu > Gh-ilI lor 501'Cet W-'H Wl TH rrr> *Moy B nd 4 lor 1 M Opto Reftectors Photo diode - LED Mode' *iie dy pr'njt m n m T for H pin 3QCk 30 *lt p* lof < 1 00 flenHnnce b ' nn i.gnt 25 o-ftr * IQ o er 3 meg _ ) lor 1 00 Juin Eleciruni , 301 s< pukeda Blvd., Culvrr Ciiv CA 90230. 390-fliNfl, Trade* 4fi3-lSK San > ,r . 827-1712, Bim-NVj Compirtc Uro ICO M DenTfwi, T< r. fcc, Miratt. C fapi Lurji. irttr 11-T.trrjriiL ji s ufit KI r...

Us And Foreign Patents Pending

Box 781 Thief River Falls, MN 56701 Phone (218) 681-7413 loieph I Cart K41PV 5440 South dt h Road Arlington I A 22204 In part I of this series, 1 introduced yoi to the principal IC logic families and the various different forms of logic gates. Here in part II we will continue our study of basic digital electronics by investigating flipflops. All of the digital circuits discussed thus tar have operated in a transient manner Gates and inverters do not have any memory, so...

RADIO

VHF ANTENNA HANDBOOK The new VHF Antenna Handbook details ihe theory, design, ahd construciion of hundreds of different VHF and UHF antennas a practical book written lor ihe average amaleur < vho takes joy in building, not full ol complex formulas lor the design engineer ac*ed with fabulous antenna o ecis you tan 0urltf. *5 95 BEAM ANTENNA HANDBOOK (New 5th edil.on)- BKt i97 -Yagi beam theory construction and operation Informaiion on wire beams. SWR curves and matching systems A must ' 10r...

JT

The red and brown wires on this connector are B3 and C3 coming from J1 and the microprocessor in the remote head. Snip them, leaving enough wire on the J4 side to solder to the relay. They go through J4 to the PLL Extend the remaining red and brown wires from J1 a few inches and solder to their respective relay pins. Remove the remote transceiver head, its cover, and the speaker. Find the open fug on the HI-LOW switch and solder a wire between it and the switched Dress and check atl...

Uma Oh

The Northwest Ohio Amateur Radio Club will hold Ms sixth annual hamiesr on Sunday, Ociober 10, 1982, at th< Allen County Fairgrounds. Lima OH. Indoor Ilea market lahios will be available for S5 00 lor an S-foot lable or S3.00 lor half a labia Tfckeis ate S2.50 rn advance, S3,00 at the door Doers will oi> en at 6 00 am and grand prizes will be drawn a 3 00 pm Overnight campjwill be available at the fairgrounds Tallin on Q7rS7, 63 03. 34 94 and 52 52 For more information write NOARC 00*211...

Trtty Video Cw

BOX 2952 GARLAND, TX 75041 (214) 840-2072 Yes indeed Just add a Matched Pair of top-qualify 2 1 KHz BW (tjandwtdth) Fox Tango Fillers Here are a few quotes from users . Makes a new tig oyf pf m g Id TS& 30S' ,p> ,, VBT now he I drvamed it should-. .Spociacufat improvement m SS8 seiectrvtty. Completely eliminates my need for * CW filter Simple installation excellent instructions The Foj Tango filters are notabl superior to both original 2.7KHz BW unrts but especially the modest ctramtc...