Worked A Sheboygan

(The urst Capitol gf ihr World fc Jlui submitted data eanfiirmmf cm) _ J. ftmier inv-waf roenxzu-ittUQi-- wtiA * - V a > ' Sfuioy , It CcaiFtj Ir. i - Acth Sfihtm SMI - 1TOAN C UN1Y AhWBM Mono a UB, In . 1 tavih JifAiBf HijJi Sih ' SMrtyfm. FKfliM UbA 53W I WISCONSIN WitfTER WONDEPLANG imei * Smi- - - C-rHlKfl< - ** rawir U i hMi H-nir U ig jB cna,,,,, rpjifl (loliCn (3J Ih* Q*V' tfofc Muwnlni.i A (UifUi Club .11 liinflihor, Mpi Tort, ni r-1 qul,(d tlnrk bwil'i Itqllgni m> ulniter Cf>...

The Joystick

V ri 11 n 11 hj Freq A ntenna) claims iiatu n see ring WflI cor sfcial and oi coiiwwn rialanteiifiaft. * Simple rapid erection a Not only 6-bgPd but CONTINUOUS 0.5 - 30 Mhz tr> rl GC & MARS > nm directional Substantial Hdnrnn-- FREE * OOO.C i mites per * iti unbeaten recoftJ' PdarQTH senhan c CI FFDWtL ER5ANTENM JUOTE from CO V i H vau re h ti r-i.ugr ttpnrvi 1 operate 15-20 as as wefl-kno*n 3 tMemenJ beam wnf) w4- ich * CGfTparea Ttlft v-.-.Aivr operational rtoirrwit1 Wte fma iitai -f...

S

**Econoram is a trademark of Godboul Electronics (1) Compatible with all bank select systems iCromemco. Alpha Micro. Etc.) addressable on 4K boundaries. (2) Extended addressing 24 address lines). Single block addressable on 4K boundaries, p) Bank select opt ion for implementing memory systems greaterthan 64 K. GODBOUT ELECTRONICS Bldg. 725, Oakland Airport, CA 94614 I RLE FLYCR Our latest catalogue has lots of good stuff in it. . parts, books,kits,computer equipment, music kits . . . and you...

R B

F g. 1(b), Basic Darlington transistor. Fig, 2. Hookup for external sensing. Fig. 3. Basic current-limiting circuit. Fig. 3. Basic current-limiting circuit. from the panel output jacks is scaled down by resistors R22 and R23 As a result, an output of 0 to 15 volts on the jacks appears as 0 to 10 volts at the resistor junction. This scaled voltage is connected to the other op amp input, and the error amp, IC2, compares the inputs-If, say, the scaled-voltage input is low compared to the reference...

Wamsh

New York State Residents Call 315-337-2622 or 31 337-0203 ENTRAL NEW YORK'S F ASTE ST GROWING HAM DEALER Featuring Yaesuh Icom, Drake. Ten-Tec. Swan, OenTron, Midland. KDK, MFJL Microwave Module, Tempo, Asuon KLM Hy-Gam. Mosley, Lafsen. CuShCfafl, Hustler, Mini Products. Bird, DSi, Mirage. Vitnopl'ex, Bencher. Info-Tech, Universal Towers Callbook, AFIRL. Astatic. Shure. Y e service everything we sett' Write or call tor Quote You Won't be Disappointed, We are jusl a few minutes off the NYS...

Zulueclo

X-TRA VALUE All the components and high quality plated G-10 PC Boards are provided. X-TRA CARE IN DESIGN No wires between readout board and clock board. Large Open layout, X-CELLENCE IN IDEAS 5 years of designed products for the amateur radio market X-CELLENCE IN INSTRUCTIONS Clear step-by-step instructions with quality illustrations. The assembly manual is not a read-between-the-lines afterthought' X-TRA FEATURES There has never been a clock kit with so many features at any price Unit operates...

Christiana De

The Delaware Valley Amateur Radio Society will hold its Winter Fest and Computer Show on March 2, 1980, from 10 00 am to 4 30 pm at Christiana Memorial Hall, Rte 273 and Old Baltimore Pike, Christiana, Delaware. Events include a transmitter hunt (Freedom Foundation Fox Hunters Sane tion Number B0-1) and a frost bite tailgate section. Tables, food, and free parking will be available. Dealer inquiries are invited. Talk-in on 146.52, 223.36 224,96, and 146.355f.955. For information and advance...

In Stock

Low you can have the capabilities of 40-meter operation on the System 36 and System 33. Using the same type high quality traps, the 40-meter addition will offer 200HKZ of bondwidth at less than 2 1 SWR. The new 33-6 MK will fit your present SY36 or SY33, and using the same single feed line. Capable of handling the Legal Limit, the SYSTEM 33 is the finest compact tri bander available to the amateur. Designed and produced by one of the world's largest antenna manufacturers, the traditional...

Is

Drill a 5 B-inch hole in the center c> I the aluminum sheet Ihis hole will be used for either a BNC bulkhead feedthrough connector or a regular BNt < u k if you art1 willing to solder the coax in the antenna mount, the magnets are ret (angular types available from Radio Sinn k and tost 15 each, You will need to cutout two I 16-to-1 8-inch steel plates with approximately the same outside dimensions as the large llat sides ol the magnets for each of the magnets Place one plate on eac h side...

Wva

4 BAND TRAP VERTICAL < 10-40 METERS) No bandswitching necessary w th this vertical An excellent low cost DX antenna with an electrical quarter wavelength on each band and tow angle radiation. Advanced design provides low 3WR and exceptionally fiat response across the full width of each band. Featured is the Wilson large diameter High-Q traps which wilt maintain resonant points with varying temperatures and humidity. Easify assembled, the WV-1A is supplied with a base mount bracket to attach...

MODEL

ATV RECEIVING CONVERTER, 420-450 MMi * TUN A BLE - vernier tuned, 420 to 450 MHz HIGH PERfOft MANCEHow noise RF preompt, mosfet mixer, motfot IF amp. Ch2 or 3 out * SELF-CONTAINED - including power supply * PRICE SB.00 includes shipping. Add LIS for To order, or receive detailed information, write us or tall us at 1 812-336-4775

Ws I

Polaris Ave. * Las Vegas, Nevada 89103 TO ALL AMATEURS FROM WILSON SYSTEMS, INC. would Hke to take this opportunity to thank you for your support during the fast six months. The response was much greater than anticipated and as a result we fell behind in our shipping, We now have shipping under control and increased production, all of which contribute to the in-stock situation of almost all the products that we offer. Your kindness and patience at that time was appreciated by everyone...

CN

SWR & Power Meters Models CN 720 and CN-620 Simultaneous direcl reading SWR, Forward Power and Reflected Power Frequency Range 1.8 150 MHz SWR Detection Sensitivity 5 Watts min Power 3 Ranges (Forward, 20 200 1000 Walts) (Reflected, 4 40 200 Watts) Tolerance 10 full scale Input oulfut Impedance 50 Ohms Connectors. S0239 Dimensions 180x120x 130 mm 7 x 4.75 x 5 in. 165 X 75x97 mm 6,5x3x4 in. Simultaneous direct reading SWR. Forward Power and Reflected Power. Frequency Range 140- 450 MHz SWR...

Message Memory Keyer

* Seif completing dots amJ tiasnes + iambic keying wfrh any squeeze paddle weight controls Sidetone and speaker current dram CMOS battery opera l ion poi table Deluxe quarter-meti jacks tar key mg and output * Keys grid ttiock ami solid state igs mWIRED AND TESTED FULL* Advanced CMOS message memory Two (50 char each message Storage Records at any speed oiays back at any speed Longer message capaoty Example sent CQ CO CO DX de WB2YJM WB2YJM K-tfien play second message on contact de WB2YJM QSL NY...

The Ft Wayfarer

The introduction of the WAYFARER by Yaesu is the beginning of a new era in compact solid state transceivers. The FT-707 WAYFARER offers you a full 100 watts output on 80-10 meters and operates SSB, CW, and AM modes. Don't let the small size fool you Though it is not much larger than a book, this is a full-featured transceiver which is ideally suited for your home station or as a traveling companion for mobile or portable operation. The receiver offers sensitivity of .25 uV 10 dB SN as well as a...

Ghe

80 Microcomputing*POB 99fPurmlngdaU NY 11737 Wc CMtf the following COM. Midland. Am i DenTroo KLM Sw.m. Drake, Tai-Ttc. Wilson, SST. MFJ, Hp-Gain. Lunar. Njt* Vikin . Redi-kilowaii. CuthCnfi, Morky, Big Signal. Pipe, dc. FuM Scrvkc Stiffc funianj Eketrooks* Nan Ave,t hmtana CA 92J35. < 23-7710.___ Bay area's nenvest Amateur Radio si cia l- Ncvl-nM.-d Amateur Radio sales & service. We feature Kenwood. ICOM, KDK, Yacut. Ten Tec, YHi If ripinccrmg A many nn shaver kariiu. inc * I37K so. it-h...

Info

World-famous Radio Amateur CaJIbooks, the most respected and complete listing ai radio amateurs. Lists calls, license classes, address information. Loaded with special features such as call changes, prefixes of the world, standard time charts, world-wide QSL bureaus and more. The new 1980 Radio Amateur Cailbooks are available now. The U.S Edition features over 400.000 listings, over 120,000 changes from last year. The Foreign Edition, over 315,000 listings,...

P

Linearized Amplifier makes your hand-held Can be used with any 1-5 watt radio. Linearized so It's compatible with SSB. pre-amp for receiver portion to Increase power and of Incoming signals. Amp and pre-amp functions independently controllable. Regulated voltage output as required by the FT 207R and TR2400 to conserve battery pack. Turns your 1-4 watt transceiver Into a higher powered base or mobile station. Made with the quality and care that has made Lunar the leader in linearized amps* Kurtz...

Memory Keyer

PULL RECORD. Weight control lets you adjust dot-dash space ratio makes your signal distinctive to penetrate GRM Tone control Roam filling volume. Speaker. Tune function keys Transmitter for tuning. Ultra reliahle solid state keying grid block, cathode, solid state transmitters (- 300 V, 10 nna. max., + 300 V 100 ma. max.). CMOS ICs, M0S memories. Use 12 to 15 VDC or 110 VAC witti optional AC adapter, 7.95. Automatically switches to external batteries when AC power 5...

Memory Minn

Choose from unkit (sockets, bypass caps pre-soldered in place), assembled, or boards qualified under our high-reliability Certified System Component (CSC) program (200 hour burn-in, extensive testing, immediate replacement in event of failure within 1 year of invoice date). TERMS AMcw 5 for shipping (excess refunded) VISA' Mastercharge' orders, call our 24 hour order desk at (415) 562-0636 COD OK with street address for UPS, Cal res add tax. Prices good through cover month of magazine and are...

Prototype Boards From Ok Tool

Poration has introduced a new series of Circuit Mount boards for electronics projects and prototypes. Alt boards feature sol-derless insertion-type sockets on ,100 inch centers, Each row has 5 common points. Larger boards also feature 40-point bus lines, while a separate bus strip module is also available. All boards can accept standard component leads including DIPs, while interconnections are easily made using standard 22 AWG solid wire. ' Circuit Mountr prototype boards are available in a...

T

Be soldered between pins 5 (cathode) and 2 (anode) and between (cathode) and 7 Refer to Fig. 1. The two 5U4 rectifier tubes, power transformer, and 6DQ5 final amplifier tube are all located in a small corner of the transmitter chassis resulting in quite a bit of heat being generated at this point. Replacing the 5U4s with lower this generated heat significantly, but the decreased voltage drop of the solid state rectifiers could cause problems if not properly addressed. In this case, I found that...

R

YAESU ELECTRONJCS CORP., 6851 Walthall Way, Paramount, CA 90723 (213) 633-4007 YAESU ELECTRONJCS Eastern Service Ctr, 9812 Princeton-Glen da le Rd.rCincinnati, OH 45246 Richard W. List K3< 2RX 2 04 Vittage Drive Pittsburgh PA 15221 Breathes ihere a ham with soul so dead, who never to himself has said, new rig, How can 1 modify this thingamajig One of the few problems many owners of the popular Heathkit HW-2036 experience is not knowing what frequency the rig is tuned to when in a dark car....

Gyv

The basic configuration to assemble the 'blocksas a compressor. F g, -i. Tbebas c coni gurat on to assemWe the 6 ocksas an expandor happens between words or when the station quits talking The background noise is reduced by the amount that you turned the volume down Since the volume of the incoming station is the same, and the background noise is reduced, the stgnal-to-noise ratio is improved. The expansion occurs logarithmically, and no audible distortion is added to the incoming...

Tempo

From Tempo - the World's first Synthesized 800 channci handheld transceiver. Includes battery pack, charger, telescoping antenna and 800 From YAESU - 2m FM XCVR, Handheld completely synthesized, digital readout, keyboard access, 2 watts, 4 memories and much more. KLM PA2-25B Power Amplifier 2 watts in, 25 watts out

Wellesley Ma

The Wellesley Amateur Radio Society will hold its annual auction on Saturday, April 12, 1980, beginning at 11 00 am at the Wellesley High School cafeteria on Rice Street, Wellesley MA. Talk-in on .63 .03, .04 .64, and .52. Doors open at 10 00 am. For further information,, contact Kevin P. Kelly WA1YHV, 7 Lawn-wood Place, Charlestown MA 02129. The Madison Area Repeater Association, Inc. (MARA), is pleased to announce its eighth annual Madison Swapfest which will be held on Sunday, April 13,1980,...

Complete Repeater Starring The Mark C Supercontroller

ALL rh* unique tMlura* which make Mark 3Cthe *CClaimed feeder in repeeter AND NOW. even ft repeater It bo lit In - ALL rh* unique tMlura* which make Mark 3Cthe *CClaimed feeder in repeeter AND NOW. even ft repeater It bo lit In - * Power amplifiers (pick your level) MAflK SCR REPEATER 144-220 1495. Introductory prtce. MICRO CONTROL SPECIALITIES (S17) 372-3442 23 Elm Parte, Growland, Ma. 01834 fine-tune oscillator brought him in nicety He was most interested in this converted rig for a blind ham...

Swan For Every Need

Talk State of the art, Versatility, or Economy SWAN'S famous world's best Engineering team has designed a complete line of Transceivers to suit your need. Take a took at the three hottest new iiSB Transceivers this year They re all made in America and they re all from Swan. Whatever your dreams from a compact fully synthesized mobile to a full-blown base station with dual PTO s one of these will bnng them to reality today. They re all solid state, all 235 Watts PEP and CW on all frequencies,...

Action Award

This diploma can only be applied for by licensed amateurs having proven contacts with at least 100 different amateur stations within one calendar month after November 1, 1977, on the 40-meter amateur band only. All modes are accepted. Contest QSOs and crossband QSOs do not count. Split-frequency QSOs do count, however Your application must show the callsign worked, the name and QTH of the operator, mode, and date and time GMT, GCR appiy and award fee is US 5,00 or 10 fRCs, Mail your application...

Tv S

Except Jor Rohn towers, atl items shown are complete stock. Sorrv. no other products available. We're here U* serve vnu tmm H 30 to ivOO, Monday through Fridav, at 1-214-3693401. Ask ior Long Path Radio, P.O. Box296H2 Dallas, Texas 75229 1 -2 4*369-3401 All firta I O.B Dtiltas C (Sift ri wmv msH Mwnyivticr. rittfr Vt i irt H OX No vr utl cht k> IVV s uii fn*rJif iolU'tl. it i iw (k'Sirc fin'fwut freight, it > tmill Per lt m charge will be rivide tur shipping dfid handling-

Aed Scanner Specificmioks

T d m liable tOMr'iec Tmllj sec I mini logglc itdr moiioFcd 2 mint toggle on rig LOCK wild) nav ht iwiklis maunled on fflic. mounled on rig adjti lable eg 144148 144146 146-147 mini toggle switch mounled on mic or rig. 7S0 LUCERNE RD SUITE 120 MONTREAL, QUEBEC, CANADA H3R 2H6 TEL. 514 737 7293 l'rk Shath ha user W9CI 527 Spring Creek Road Washinniim IL 61571 Reprinted from QCC News, a publication of the Chicago Area Chapter of the QCWA. The post-WW years from 1920 to 1927 found the mushrooming...

All Bands Preamplifier Sb

Lfjr die ri4itn ibcur nitJiAj hftd < ti rtjunini frommer FmJ * jrvfl * afl rnwivt fitumnd 1 100 M t Scfnirtr in ir - *fl fl*ifit< N (fry * mem Lp im wcua if tri F ntfn Converti VIF te BO mtferi F*r u itn Ml ih rr jvt rrcnrtr CDWin 35 - 4 M m Advticttf dtl fi t Si' it r GLtC rfCfplwi Bilm 1750 m tef jji i Ali* C ers T viQihgft ra c t to11 'Aflfc v 1600 5000 ft Ki I1GQ Btl nwltf imiteur tuntftl 550 teOOKHj BrutfCiit fttrrfl 150-5SQ *Hl (Vif l 750 mein tu nii j b I5fl (m WVB. L lD +0KKj I Hutl...

An

If you've ever been trouble J bp a faulty multi-merer o- hiii one h i t wa.ifi l U p iii tlii tou hc ( bi -- ygau troubles aretiver TlVcTKEI iLO Ins .i litri-*' hi.iaiL-nv ,1s1 tan f r. pli - V it. kicur h-, IneTK.LI uaQhtiiu. Mb-ummy W .( riJf-. - -III illviul i Oilii -.

Aptrqn

PO BOX 373, BIOOMINGTON, INDIANA, 47402 globular entity, which I have only superficially described, QM For this was no mere fortune-telling gadget. Rather, it was an intricate, highly complex system of silicon circuits a huge IC chip, if you will Arranged in various planes were quivering PN junctions suggestive of the organs of a living creature The innermost structure was composed of a junction concentric with the ball itself this junction was being bombarded by the emanations of a cluster of...

Ay

-WAr-NE 1 CU rOL> TS 1 PI JiCEE crophone jat k on the H W-2021. I used the regular t i type DiN plug and jack sold by Radio Shack for about one dollar each I he DIN jack requires a 5 8 inch mounting hole which can be made with a Greenlee chassis punch Be careful not to crack Ihe plastic case when using tins punc h Make several small cuts at different rotational angles with the punch before trying to go all the way through the case. 1ig. f> shows the lot at ion of I he DIN jack. I also...

Ayo Programmable Sound Generator

The AY3-S910 is a 40 pi n LSI chtp with iiiree oscillators, three amplitude controls, programmable gen rstor, ihree mixers, an envelope gorteralor. and three D A converters Ihj& t are controlled by 8 BIT WORDS. No external pots or caps required. This chip hooked to an 8 bit microprocessor chip or Buss I& 030. Z8Q 6800 etc ) can be software controlled to produce almost any sound It will play threenote chords, make bangs, whiistles. sirens, gunshut explosions, bleets whines, or grunts In...

Oqp

* * 6 7 fl UWbt H QF TCBM5 IN KTKEShS * * 6 7 fl UWbt H QF TCBM5 IN KTKEShS f ig. 2. Pi and the simple number series for computing its value to any degree oi accuracy, The curve shows that greater and greater accuracy is approached as more terms are used. appearance in equations apparently far removed from the geometry of a circle Be that as it may, one would like to think that, because of the simplicity and symmetry of circles, pi would turn out to be a nice integral number, or, at least, one...

Box

MASTER CHARGE HUCKLtY.WA W 21 VIJA Pfifi i.i 50 sftj*> & handlrftf U S drwf Canadd pwidepi J Hi DMK tS A MPLt TEtitWIRt AND TlSTtP Pt lTAL PMDOl1 r UAt it irahs Jt, th LMO ftttjutnty to s FffitJ-LrtV i y rei f-ftcpd frnjn the HfT nrJ BfO 1 hr JJMK has l'A dependent L dt' ration to r etfifl frfnd The '. J r n Sigtti mp prngi'a turned irhtf < untruths by the Vf tide iwrtchi f CtKreiTi for rV dltf& liice jn rhr- tJ H IS H LMO shift tfoquertCf. if a ' f'to Courtier Clods, and liw...

Capacity In Picofarads

For 14.43-uH fixed inductance, 3JS MHz* Fig. 6. For 14.43-uH fixed inductance, 3JS MHz* Fig. 3 shows a remarkable feature. With a single variable condenser, it is easy to obtain both an equivalent variable inductor of 0-12 microhenrys, and an equivalent variable condenser of between 0 and a couple of thousand picofarads. And it's all done with a 250-picofarad variable condenser and a small fixed inductance By this time, a number of questions will have arisen. The most obvious one is,...

Cb Special

Brand new primed circuit board assembly. Used in all HyGain 40 Channel CB tran& celver , Fits many other manulacturers' unit disc. Squelch pat volume contrpUchannel selector switch not included Board 1-9 750ea SO 99 6 00 Dimensions CB SPECIAL W 40 ch SW same as above 110.60 , SO 99 9 00 ea. 10 49 S9.S0 ea, 100 up 6.50 ea. NEW Hy-Gain Remote 40ch CB LessCase SpeaKef & Control M c PRtil P DeSHlOp mir fophono w crysial elemenl 3Pirtt*lug 35 ea ILEX L PV LEMS F 5.6r6.i Focal I i--i(jih...

Clock Kits

Over 7,000 Sold 1o Date. Be one ol the gang and order yours lotJay Try your hand at builtfing the finest looking clock on the market Its satin finish anodized aluminum case looks great anywhere, while six .4 LED digits provide a highly readable display. This is a complete kit no extras needed and rt only takes 1-2 hours to assemble. Your choice of case colors silver, gold, black (specify) Clock kit, 12 24 hour. DC-5 24.95 Clock Witt* 10 min ID timer. 12 24...

Code Tapes

Use the order card in the back of this magazine or itemize your order on a separate piece of paper and mail to 73 Radio Bookshop * Peterborough NH 03458, Be sure to include check or detailed credit card information. * Add 1.00 handling charge. Note Prices subject to change on books not published by 73 Magazine. NOVICE STUDY GUIDE SG7357 Here is a completely new study guide and reference book for the potential ham. This is not a question answer memorization course. Electronic and radio...

Compare These Features With Any Unit At Any Price

* FREQUENCY RANGE Recede and transmit 144 00 to 147 995 MHj 5Khz step* + VARS CAP* and MULTIPLE OFFSET BUILT IN * ALL SOUD STATE-CMOS PL DIGITAL SYNTHESIZED, * SIZE UNBELIEVABLE' ONLY 6V x 2V * 9 . COMPARE* * MICROCOMPUTER CONTROLLED AH scanning and frequency control functions a re performed by microcomputer * DETACHABLE HEAD The control head may beseparated from theradio foruse in limited spaces and for security purposes, * SIX-CHANNEL MEMORY Each memory is re programmable Memory is retained...

Computer Center

FAST Ktf tin Centronics 730 PRIMER IBtW 0 HIGHLY RELIABLE LGBODRlVES 137*00 DOWNTOWN PLAZA SHOPPING CENT ER 115 C SECOND AVE S W CA IRO. G EOft GIA 1 i 7 6 313 ,94. For additional information, tickets, and space reservations, please write to Joseph A. Lochte, Jr., 2136 Pine Valley Drive, Timonium IMD 21093, or for a recorded message, dial (301J-HAM-TALK. The Rochester Amateur Radio CJub and the Rochester Repeater Society will sponsor the Rochester Area Hamfest on Saturday, April 12, 1980, at...

Computer

FPiOH Kfltfi I 3tSi5 L(J PO*> CflRH'E ft Fig 3 shows how the computer RS232 output produces user inputs The XR1489A line driver con verts the computer RS232 output to three separate PL signals. One T'L signal is used to produce a 20-mA TT page-printer drive circuit via the 2N3904, IL-74 photocoupler, and Li D indicator One ML signal drives a section of the XR14B8 line driver to produce a RS232 user input, and one PL signal is used to generate the FSK for audio cassette recording via the...

D meter transceiver

The TR-2400 features LCD digital readout, 10 memories, automatic memory scanning, and up down manual scanning for busy or open channels, ft has mode switch for standard repeater 600 KHz, of1sett simplex,and nonstandard repeater splits. A reverse momentary switch allows operator to receive on the input of a repeater or to determine it the repeater is upside down. The large LCD digital readout has virtually no current drain and is readable in direct sunlight and in the dart with the lamp switch...

Dealers

Your company name and message can contain up to 25 words for as lit tic as 150 yearly fprepaidL or per month (prepaid quarterly> . o mention of mail-order business or area code permitted. Directory text and payment must reach us 45 days in advance of publication* For example, advertising for the April issue must he in our hands by February 5th+ Mail to 1 Magazine* Peterborough VH 03458. A T1TV Aline Coutu. Send me one year of 80 Microcomputing for just 15. (I save over 37 ) if prefer 2 years...

Delay Repeat Control

(0 TO 2 MINUTES) PULL FOR AUTO REPEAT, LEDs (4) SHOW MEMORY IS IN USE AND WHEN IT ENDS. Listings in this column are provided free of charge on a space-avaifabfe basis> The following information should be included in every announce-ment sponsor, event, date, time, place, city, fa eh adm s- or> charge ( any), features, fa AWl frequencies, and name 0 wftom o confacf for fr rffter nforma ton. Announcements must be received two months prior to the month in which the event takes place.

Deluxe Message Memory Keyer

Seffrcomptettog dots and dashes + Iambic Keying with any squeeze paddle 9 Speed, volume tone, tune and weight controls aad speaker Low current dram CMOS battery operation-portable + Deluxe quarter-inch jacks for keying and output Keys grid block and solid state rigs WIRED AND TESTED FULLY GUARANTEED-LESS & ATTERY State of th& Art CMOS Circuitry * - Three choices of Message Storage message storage * 8. Fo or (25 character ea ch) message storage C. One 50 character and two 25 character...

Drake

3 enjoy the world famous henry radio service. no one else can offer you the background of experience and the value of responsible MADkTTINr I IWP UPNIDV DAnin Henry Radio also offers a broad tine of commit- n r t l LL I 11 1 J LJlAL- ilC-l IIX I l r LJl J* rial and FCC type accepted amplifiers covering the range of 3 MHz to 500 MHz. Henry amplifiers aie in use alt around the world. Commercial and export inquiries are invited. Tempo solid stare amplifiers are available at Tempo HEW TOU FREE...

Electronic Music

1152-Antenna Data Relei-ence Manual- iricl. dimension tables. Literally IGiIs of reatly-10 build transmitting receiving antenna designs for hams. Shows you huw 10 homebrew and cj& tomiie your own antennas. Included are haif-wavfi dipfe inverted verticals. Yagiis deltas, quads, and iirni gc spate and itiiN antennas, etc 266 p , 229 ii only 7 3b. Satellites. A complete intro 'u ham conniumcations via saiel Hith includes ah the details yoj. need to start yojjt amateur earth station You learfi...

Equivalent

On its repeater, it encounters a few problems. 1 hese include coming up RC'jf Cr HR 2 A r HHZ , t it Pi . iCA Ntfi5 with a practical way to monitor and log the patches and how to get everyone's tones set to the right level While most of the other problems associated with autopatch can be soived through proper education of the users, those two problems have simple solutions with a minimum investment in equipment. The vast majority of patches use some means oi tape-recording the calls for the...

F

Riooet'POCtti Q* fcUUSEftS Iw* of* umia mi * OF Min'r cnwr> the month in which you were born (1-12). Voila The result is the number of dollars you have in your savings account ' The author's ideas about numerology appear in Fig t From the audience came such exclamations as Hmm and Wow For all I knew, these expressions could have been confirmations of the numbers trick or sudden memories of approaching bankruptcy We will never know, for nobody was willing to risk invasion of financial privacy...

For Toll Free Ordering Call

for even faster service call tot b free (800) 258-5473 Other tor& gn 23 one year Qflty US funds. 303B6 MICROCOMPUTING POB 997 Farmmgdale MY 11737 Let us know 3 weeks in advance so that you won't miss a single issue of 73 Magazine-Attach old label where indicated and print new address in space provided. Also include your malting label whenever you write concerning your subscription. It helps us serve you promptly. Write to Subscription Department P.O. Box 931 Farmingdaie NY 11737 If you have...

Free Album

Tired of cluttering up your walls, stuffing OSL's in drawers and boxes A greai new way to organize, preserve and display your QSL cards is in clear vinyl pockel pages. Each speciaJly designed, crystal clear heavy duty page, holds 6 caros (back to oack The roomy 4' x pockets even hoid those extra large Japanese OSL's With overy 40 pages (minimum) ordered. you n receive rFree -a handsome 9'rx 14' sturdy 3-ring album, fully padded, in durable 'Brown-Hide' vinyl. As gifts for friends, as valuable...

Free Catalog

Send 4 'RC s lot overo ai tng Let you hear the weak ones too* Great tor OSCAR SSB. FM. ATV Over 14 000 in use throughout the world on afJ types of receivers. Deluxe vhf model fo.r applications here apace permits IV x3 Models available to cover any 4MHz band in the 2B to 230 MHz rang 12 Wc 2 stages tdeal for OSCAR 20 dB g.iin Miniature vhf mode I for tight spaces-size only Vi x 2 H ModrrlsafalEnble to cover any 4 MHz band in The ianoe 20 10 230 MHz 20 dB gain 12Vdc Covers any 10 MHz band tn UHF...

H P

This article confines itself to amplitude compandor techniques hrch you can incorporate m your gear At the moment, this technique is rather complex and, therefore, reiativeSy expensive It involves compressing the frequency spectrum at the transmitter then reassembling it to its original form at the receiver The main advantage is the reduction in occupied bandwidth With reasonably good band conditions, the improvement in signal-to-noise ratio is only modest However, in the...

Ham Help

I wanted to let you know that 73 Magazine is about the best in its field, if not the tops. I particularly enjoy the construction projects, even though am handicapped. A terrible thing happened. One gentleman answered one of my Ham Help pleas and a nurse (or myself) lost all of the info except that I believe it was a WD calf from (II believe) the southeast. II hope that that OM, as well as others, will read this in almost all 8080-based systems. interrupts are implemented with an interrupt...

High Voltage Caps

22mfd 500VDC 7 s in. x 1 Vi in. 1.99 each 330mfd 450VDC Can Type 17 a in. x 41A in, 4.99 each 5,00 90.00 4.00 125.00 200.00 30.00 40.00 60.00 80.00 175,00 38.50 40.00 50.00 150.00 20.00 30.00 39.00 9.95 4.50 5.25 5.50 7.50 7.95 6.00 45.00 300.00 5.95 300.00 6.99 4.00 4.00 5.99 6.99 6.00 North 32nd Street Unit 1 Phoenix, Arizona 85008 (602) 856-9423 We accept checks, MasterCharge, and Visa Prices subject to change without notice

Hm

HM179 2mtr. 3db hate mount ant____29 HM20 2mtr. 3db for marine use 39. HM176 40MHz 5db trunk lipani. ,. 33 HM175 440MHz 5db hole mount ant 29. HM224 220MHz4db trunk lip ant 33. AR2 2meler Ringo base an 24,95 b ARX2 2mlt Ringo Ranger base ant 39.95 c AR220 220MHz Ringo base ant______ 24.95 b ARX220 220MHz Ringo Ranger 39.95 c AR450 UHF Ringo base ant 24.95 b ARX450 UHF Ringo Ranger bse ant 39,95 c ARC 6 meter Ringo base ant 36.95 c ARX2K Adapts 2M Ringo to...

Hour Digital Clock

Pleasant BLUE easy-on-eyes display. Bright .6 inch digits. ID timer. Alarm, snooze, lock functions. Power out, alarm on indicators. Assembled. Bright > 6 inch digits. Built-in ID timer. The MFJ 10 I is a new all solid state 24 hour digital clock, Just set it to GMT and forget about converting to GMT. Pleasant blue .6 inch digits (like TS 820S) are easy-on-eyes and bright enough to see clear across your room. LD timer alerts you every 9 minutes after you tap ID...

Hwu W Ismhz

2N6 0O4W 175 MH Poat 1 W 1 75 MHi M& 0fl2 2 W 1 75 MH 10 2N60S3 3 W 175 MH 11.75 OVER VOLTAGE PROTECTION OV 1 Provide* pro tectionfrom runaway Power SuppJy Voltage. Triooeri 25 Amp rated, 1 piece moulded unit for 12 Volt DC fused Power Supply OV-5 for 5 Volt PS trigger* at 7V it. _ ACCUKEYER KIT. Similar to Handbook wiron. includes PC Board, iC's, Sockets & all piirts Includes sidetone or board, i annbk operation dot dash memory NEW MEMORY Kit- W56 bit memory expandable to 4 24bitv i 2102...

Swd

73 DIPOLE AND LONG-WIRE ANTENNAS BK1016 by Edward M. Noll W3FQJ. This is the first collection of virtually every type of wire antenna used by amateurs, includes dimensions, configuration and detailed construction data for 73 different antenna types. Appendices describe the construction of noise bridges, line tuners, and data on measuring resonant frequency, velocity factor, and swr S5 50 * * THE GIANT BOOK OF AMATEUR RADIO ANTENNAS- With the GIANT Book of Amateur Radio Antennas by your side,...

Xyh

Tion, I made several changes to it which reduced power consumption, increased tube hfe, and eased operation The simplest changes were made first, These involved replacing V8, the 9006 rf detector tube, and VI4, the 6AL5 VOX and anti-VOX detector tube, wilh silicon diodes. Almost any type of diode can be used as long as it has a reverse breakdown voltage of 50 volts or more- I used type 1N4454 high-speed switching diodes. For the 90Q6 rf detector tube, solder a diode between pins 7 (cathode) and...

Idok

T I Z BlVffl T H ANS F ift WE R WfPiT A29Z J T I Z BlVffl T H ANS F ift WE R WfPiT A29Z J continent- Non member tacts count 1 point each. For both contests Only member stations' contacts count as multipliers. Count one multiplier for each state, country, YUOM team. DX WK team, partners Extraordinary certificates will be issued to the highest individual score, DX WK teams, YL OM teams, and score for highest score for single-operator category. Regular certificates for Logs must show date lime in...

Id

Our past columns have concentrated upon the 8080 central, processing unit (CPU), and ouf interfacing and software examples have alt been developed for 8080-based computer systems. A new processor, the 8085. is now available with all of the capabi lities of the 8080, but with a few additional features that make it worthwhile. One of the main features of the 8085 is thai it is software-compatible with the machine codes for the 8080. Thus, a 303 is a jump (JMP) instruction in both systems. The...

In Alabama

1-800-292-8668 9 AM TIL 5 30 PM CST, MONDAY THRU FRIDAY The microprocessor controlled IC-255A is a compact unit which packs more big, muitrfeature flexibility than any other loom mobile to date. This one offers a 5 channel memory with adjustable scanning speed, and auto-stop. The 5 channels can be written from any inband frequencies, and the scan function can be programmed to scan all 5 or only 2 memories, stopping on any signai. Program scan allows any portion of the band to be scanned. It...

Internal Bat Only Ac Not Required

9550 Chesapeake Drive San Diego, California 92123 (7T4) 565-8402 TERMS MC VISA - AE - CHECK M O - COO -nUS Funds Ptease add 10 to a niaKtmum of 10.00 for lhipsing, handling and insurance Orders outside of USA A Canada please add 20 00 additionaf to cover a r shhpmen' Cairfomia residentadtffc Saies Ta* .001 Hz R solution 34.95 Gary McCtellan 2500 V. Harbor Blvd. Fuller ton CA 92634 There is nothing as handy or as necessary as a good power supply on your test bench. Yet, because good power...

Inline Rf Wattmeter

Identical to ELECTftO IMPULSE DW -1000 A rugged portable Instrument for measuring forward or reflected CW power. Wide power range and broad coverage is accomplished hy panel mounted switches no plug in elements required Fwd Power 10, 50, 100. 500, 1000 waits Reil. Power 10, 50, 100t 500 watts Freq. 2 - 301 25 - 250 I 200 - 1000MHz VSWR 1.10 max. 50ft Accuracy 5 f S Connectors N(F) Size toV2 x 9Vi X 7 Weight 13 lbs Brand New , . . . 299.00,3 For 750,00 PUSH TO - TALK MICROPHONE King Radio, hand...

J

Need 10 mention our I day delivery and 1 year warranty. Our new crop of tone equipment is the freshest thing growing in the encoder decoder field today. All tones are instantly programmable by setting a dip switch no counter is required. Frequency accuracy is an astonishing .1 Hz over all temperature extremes. Multiple tone frequency operation is a snap since the dip switch may be remoted, Our SS-32 encode only model is programmed for all 32 CTCSS tones or all test tones, burst-tones. And, of...

Kgrx

older tube rigs are more fun when you give them the solid state treatment AD5X a gentle introduction to electronic math W6HOM 74 rra COMPLILOC A Multi-Purpose Record Keeper whither the paper logbook WA1ZSE 78 ri a Computer System I O Interface handles RS232, 20-mA loop, and KC Standard conversions VE3CAF explore mathematical curiosities with your TRS-80 W3KBM H in BAStC W6RLL part I McClellan 96 A Do-it-Vourself Speech Compandor let's experiment W6TNS 7 107 Morse Converter for Frequency...

L Tor S Jk

Not enough room here to use IC sockets. Bend the pins against the foil to save room Photo B shows the completed readout board with attached cable At this point you have two boards connected by a multi-conductor cable. Plunk this assembly back in the hiding place. This part is as easy as getting a CB license. To avoid overworking the built-in power supply, 1 mounted the three-terminal regulator on the Heath Z-shaped chassis near the it to the right side of the front panel, but this is not...

Lac

New 4-ElemRnt 15-rWtrB& ann New 4-Ekmnnt 10-mtr Beam . . New Q-Elenient G-mtr fi sm , 2-mtr ingo Ranger . . 19-Elemynt 2-mtr Boomer'J 14 Elrtilft& rit 2-mtr B QTlftE r . . 1 4-Element 2-mtr FM Bf> omer . 23-Elemeru 2-mtr FM Pouver Pack 1 lEtement 2-mir FM Beam. . . Elf ni nt 2-mtr FM P wfcr Pack 450 MH Rim q Ranflur 20- E temen t 2-mt r ' 'Osea r a n t 20-Element 432 MHz Oscar ant Blitz-Bug.1 Male Femak> . . fil it Bua'J Fei iak Fiin> a)ij . Alliance HD-73 Fatect for 10,7 si& ft....

Lafayette La

The Acadiana Amateur Radio Association, Inc,, will hold the 20th annual Lafayette Hamfest Banquet at the Scott Lions Club Building, Lafayette LAr Exit south from 1-10. go 6 10 miles, and turn right on Lion Road, Doors open at noon on Saturday and at 9 00 am on Sunday, There will be commercial displays on both days. The ilea market is on Sunday only 2 per table. There will be ladies activities on both days, with a ladies' tour leaving at 9 00 am Sunday, There will be hourly prizes and much more....

M Base Ant Package

PFM71 Roof mount. A125-5P 5 alum mast. Lag bolls. 50' 5U foam coax. PL259 coax conn. r The most rugged 6 & 2 meter beams we ve seen yet A M0 10 ele, 2M beam S4495 6 A 2*5 5 ele. 2M beam, 9 5db gam 27.95 c A 2-2 10 ele, 2M dual polarization____46,50 e A62 6& 2M antenna on one boom____74.95 e A6-5 5 element6M beam. Mdb ____ 46.50e A6-3 3 ele 6M beam, 7db gain _____ 30.00 d A 1 v* 220MHz 10 ele, i3-8db 32.95 < J S 95 UCK-BUSIER H SF 2 ANTENNA Fils alt...

M B

L a If T 4D04TI0 i.V iMf Klf n i a TE 7EP n lLK> MU iirj . I.F1 . OU MJ(i UHi pr ., . ' 1 J j Ittl Jftv -iCKJ VH i no IMMtV J Itio I I KJ f J y n inr.Mj ruhKui BI U 4 1T1U47 - w VI O . p Jin htn S-n Superstiarp Reception Color Like Never Before Get over 50 channels of television directly from the satellite HBO, Showtime, the Superstations, and sports from around the world Buy complete or build and save. Our book ieHs everything1. Send 7.95 today or call our 24 hr.

Manchester Nh

The Interstate Repeater Club wilt hold its annual Auctionfest on Saturday, March 8, 1980. at the Sheraton Wayfarer Convex tion Center in Manchester, New Hampshire. Door prizes and refreshments will be part of the fun Activities start with equipment check-in and review beginning ai 7 00 am and the auction starting at 10 00 am. Admission is 50 cents for adults children under 15 are free. Talk-in on 146.25 85 and 146.52. For more information, send an SASE to IRC Auctionfest. PO Box 94, Nashua NH...

Mfj

GIVE US A TRY ON YOUR MFJ NEEDS, MANY TIMES WE CAN GIVE QUICKER DELIVERY THAN WHEN YOU ORDER DIRECT, Nicad pack wiin AC jjdgpterfchafgfif Probe kit . . Low cost, high performance, thats the DM-700. Unlike some of tine hobby grade QMMs available, the DM-700 offers professional quality performance and appearance at a hobbyist price It features 26 different ranges and 5 functions, all arranged in a convenient, easy to use format. Measurements are displayed on a large 3Ve digit, V inch high LED...

Microphone

KMHH r - tB rllli a Hj' *- n dh ftr4jUrri 2 Vlk n. VtodlMf 4 MI hMi- IfiW Ul-I ( w from H 4UK Hi THO Id * 1 Kb* I m lui h l*ii.L 3 9GS A1SSTBA G 4 h -ir-r hu-. ma ti-nreiiiin ji miniad UF F ON. VOL II TONE Sn> T S' i.Y' u 1-1 * Wi i < n * Twpfcup ft C.I, N . CU3M1 100 ohm Dion SOOR DUOobm I 10* m.B 250 ohm L1 SDK _ 4 mag Tnp QyjjUiy, Mttfrvf'urpwe HuipiuLM K tieraiae up u 140* 120 vtiu Pm( urrN. HmiIi m Thirtbuitat. Nton Rai AC ltidu*iur jitnti, aod Ivi Tutwr ) 4tln awiW 4m tu . h *...

Mike

A super hrgn performance FM wireless mike kil1 Transmits a stable signal up lo 300 yartfs with exceptional audio quality tiy means oi Its built in el clre fflike. Kit includes case, nuke, an-oTf switch, antenna battery and supnr instructions This is ihe finesl unit available See music come alive 3 different lights flicker with music. One light each for. high, mid-range and lows. Each incfi-viduaify adjusl-able and drives up to 300 W runs on 110 VAC Conyer1& any TV video norMor Super E-tab'ie...

Mllay

The best place is in someone's house preferably the house of someone who is home often. By teaming up the recorder with a receiver capable of receiving the repeater full quieting, the combination can be housed anywhere. And by placing the combination in a residence, you eliminate worries about electricity, accessibility, temperature variation, and supervision. The lucky custodian need only glance at the recorder periodically to ensure an adequate supply of...

Mx

Most Versatile HF 160M-10M Transceiver in the World ASTRO 102 BX Dual PTO's. 235 Watts PEP & CW on ail frequencies. IF Passband tuning, with LED posjtion indicators and full break-m. All solid state Modern design and styling Tunable notch filter 4 Function Meter Speech Processor n VOX Adjustable AGC Decay 2 Position CW Wave Shaping 16 Pole IF Filter Economy with top SWAN quality and mobility 100MX 235 Watts PEP & CW on all frequencies- The field-proven Rig the whole world's talking about....

Never Say

Radio, but it is annoying to hear that people have been sent out to tell nam clubs that I am intending to kill amateur radio. Thars not consistent with their claim that l+m trying to make big bucks out of amateur radio but then who is nitpicking about consistency The proposed new bands sound good , and I'm glad to see them getting more possible. I do hope that the credit for them goes where it belongs, which I think is with Prose Walker. He was the first one I ever heard propose them and I...

New From Xitex

Universal Convcrior ASCII Baudot * Morse The ABM-10G Is a universal code converter for translating nelween ASCfI and Baudot, or between Morse and ASCII (or Baudot Also used as a TTY speed converter Assembled and tesied the ABM will operate Irom a single -*5V suppJy and sells tor 129 Write for complete details

New Award From Pars

The Poway Amateur Radio Society (PARS) has announced that a handsome new certificate is now available known as the Distinguished PARS Communicator. The certificate has been issued to promote amateur radio contacts between PARS members and the amateur community at large. To qualify for the PARS certificate, operators must contact 5 PARS members (25 for San Diego county residents) and then submit their tist of contacts in log form with an SASE to Operations-PARS, PO Box 996, Poway CA 92064.

New Kw Antenna Tuner Kit Is Unveiled By Heath Company

A new 2 kW antenna tuner in kit form has been introduced by Heath Company, world's largest manufacturer of electronic kits. Featuring a built-in balunT the Heathkit SA-2040 antenna tuner can be used with any type of balanced or unbalanced feed-iine. It tunes continuousty between 3 5 MHz and 30 MHz, Incorporated in the SA-2040rs design is a continuously variable inductor said to give an infinite number of impedance settings for precise antenna matching. Inductor settings are indicated by a...

New R Vhf Am Rcvr

AM monitor receiver kit similar to R75A, bul AM. Available for 10-11 M, 6M, 2M. 220 M Hz. and 110-130 MHz aircraft Write or phone 716-392-9430 (Electronic answering service evenings & weekends) Use Credit Card, UPS COD, Check. Money Order Add S2 00 shipping & handling per order

New Radar Detectors

When I heard that every participant in the coast-to-coast Cannonbail Rally, which is a race rather than a rally, had used the Cincinnati Microwave Escort radar detector, I suspected something was afoot. None of the radar detectors for some time has been spectacularly sensitive and some have been incredibiy insensitive. So, even at the high ticket price of 300, it seemed prudent to check this new entry out in comparison with the best the field had to offer heretofore. The 73 van, fitted out as a...

Note Pin Connection On Leg Z

Foil pattern for display board. the driver board connect to the three Heathkit thumbwheel switches, SW3, 5W4, and SW5> Heath even provided an extra hole in the switch for these connections, These are Heath wire numbers A1P A2, A4, A8r B1, B2, B4, B8, CI, C2, C4, and C8. Be sure to follow the schematic carefully to get the correct pins connected to the switches. Connect the ground wire from the driver to chassis and the 5-volt wire to the regulator output pin and you're ready for the...

OPTIONS

LC-C7 Leathe Carry ng Car.e YM-24 Remote Spee*** 1 Microphone Tons SqueSC l Unit U& P9 Battery Pad* Qu+Ck Charge ELECTRONICS CORP., 6651 Watth ll Way, Paramount, CA YAESU ELECTRONICS Eaatarn Service I I (213) 633-4007 Cincinnati.OH 45246 Dave Mann K2AGZ 3 Daniel Lane Kinnefon NJ 07405 A tap-tapping, but unlike Roe's bird, He needs no midnight dreary to be heardt Nor chamber door on which to rapr darned map, On ev'ry band, from dusk to dawn. The gross intruder carrtes on id love to swat thai...

Osl Cardsstyle X S

QSL CARDS - STYLE Y - 250 3 95 QSL CARDS-STYLE Y-500 . 13,95 1900 WORLD REPEATER ATLAS 4.95 RF DIGITAL TEST EQUIPMENT. 5.95 SHHLF BOX 1 2.00 SHELF BOXES - 2, 1.50 eacti SHELF BOXES -B AND UP 1.25 each SSB THE MISUNDERSTOOD MODE S 5 50 SSTV HANDBOOK HARDCOVER) 7.00 SSTV HANDBOOK tSOFTCOVER) S 5.00 STUDY GUIDE - ADVANCED CLASS S 6.95

Output

tg. 4, Schematic 20-Amp power supply. divided down to about 1.1 volts, which appears across the pot. This is shown generally in Fig. 3 and in the schematic. The pot is labeled Current Adjust and its output drives an op amp input. This voltage determines the trip point of the current-limiting circuitry and is vital to the operation of the circuitry. Next, a voltage drop occurs across R31r a big OQ5-Ohm resistor. This behemoth is made of 20 1-Ghm resistors, so big isn't an understatement Current...

Ph

Will be turned on again with the next clock pulse. The simplest indication ts the reader LED. This will go off when the count has reached 70 and will come on again when the number of characters tn the buffer has dropped to 39. The buffer-empty LED will stay on when the FIFOs are completely empty. There are provisions for three alternatives for buffer status indication The first one consists of 8 LED indicators (Fig. 2), With no contents in the buffer, no. 1 is lit when the count reaches 10, no....

Pc Leads

Direct from a radar detector manufacturer 4741 on a board - plus 12 capacitors, trim pot and many useable components plus a Maflory Sonalert - well worth the price of the board alone - while they last - 2,50 ea+ We bought 350,000 LEDs. And you get Ihe savings. Reds, greens, yellows, orange, small, medium, larqe Bays of 25 - mixed 2JS. Thai's only IK jacii Com pari 1 his bpnyain up to twice our price___ FACTORY PRIME Bl - Polar LED 59C ea. or 10 for S5

Potentiometer Assortment

A mix ot new, panel mount W bushing pol& in various vglues. Some dual. eom& wtlK switches A y d mix ol find ty Valu i in iotn lull l y ad srtci L'G lead o 'vices am new, HfM quflliry An outstanding oargain. Includes rrtlBiiti and slanJ ra s and muHh posilion ihTiils. All lirSi qualily, Ita rT el -rfl d & W'( ch 66 Try p iepBT* fin- y u'll f Of Oi m re SPfCJ L - T2tor 1.& (AsacjrLma.'iLl

Quasar Video Tape Recorder Salei

Records to two hours, color or block fr white Records off the ok record one program while watching onother Camera input to moke your own capes Con be used with optional timer while you are out Limited supply-these S 1,000 VTRs were demonstrators & come with new warranty , . , 499 i00 worth of new blank tope will be included at no extra charge S3 Shipping thoige per order HQ C.O.D.s Bill n MC Credit card Exp. date Signature Name _

Qw

2 6x330 1 78mm 32x330x1 73 mn-p 216 330x17Srhm 21 Gx330xl 70rrirn 216x330* 1 78rnrri 32x330> c 1 nri rn 21 f3x330> 178iTirn 216x330x1 70mm 11 7 26 b 11 7 t g 26 lbs) 13.5 kg (30 lbs) 23.4 (eg (.52 lbs) i 1 7 kg (26 tbs) 11 7kQ(20tbSi F11Q F22U ' F 136 F235 RM-1 RM 2 Fan Kit, 1 15VAC Fan Kn, 2 0VACJ Fan K. , 1 > 5VAC Fan Kit, 230VAC 19 Inch R ck Adaptor 1 a nch Rack Adaptor 3d Kl4QxS0mrn 4S3x3xl 73rf ini 197x32x2Sfi'irfi 1 k (2.2 lbs) 1 ky 2.2 Jb l 3 2kq( 7 Ibsl 3 2 i 7lbsl 1 kg (2.2 Ihsl...

Ran

We'll be gla Both the ST-6000 & ST-SOi offer these features .--, ' J L A) I ( --b -Y I E 1 I Generator with CW ID Tone Internal Tuning indicator * Autostart Motor Control Line Local Loop Control TTY RS-232 type > ATAI nterface * High or Low Tones 120 240,50 60 Hz Power Normal Switch 170 and 850 Shift Active Discriminator Metal Cabinets

Receiver ken wood

The new, compact (12ttW x x 8-9 16D) R-1000 is a high class general coverage receiver covering 30 bands from 200 KHz to 30 MHz II features PLL synthesizer, digital display readout (1 KHz step) and analog dial calibrated at 10 KHz intervals from 0 to 1,000 KHz. The 12 hr, quartz digital clock with timer can be set to go on or off at any time. A stepped RF attenuator provides 20, 40h and 60 dB attenuation to protect the unit from damage by high input power signals. Also features 3 stage IF...

Receiver

Hi-Low Power Switch (Botiom l Case) 4 bil CPU chip tor frequency control. Keyboard entry of all frequencies Digital frequency display. BOO channels across 144-148 MHz. Up Down manual scan, or aulo scan for busy dear channels. tO kHz scanning steps. Five channels of memory Priority channel with search-back feature. Keyboard lock to prevenl accidental frequency change-Memory backup 600 kHz or odd repeater spirts. Display ON OFF switch lor battery conservation. Equipped with rubber flex antenna....