Am Help

We are fiappy to provide Ham Help tist < ngs free, on a spac& aveitabie basis We are not happy when we have to take time from other Out tes to decipher cryptic notes s craw fed itte& bfy on dog-ea ea ocsfCards and pdds ed scraps of paper Piease type or print your request neatly'), double spaced, on art 87 ix 1 sfieer o paper and use upper and lowercase let ters where appropriate, Also, please make a 7 look tike a not an which coufp be an ef ot an eye and so on Hara as ft may be to pe...

Jt

.(jg -> NE* W ft TO V0C > TO VQ* AMPLIF'EH (fiO CHASG Fig. 1(al 25-kHz crystal calibrator 42 73 tor Radio Amateurs August, 1985 Fig, 1(b). Modified function switch. wires from the hfo crystals to a distant switch, 1 decided to use a small relay, as shown in Fig. 2 The new 23.895MHz crystal and reiay were mounted on perfboard and attached to the center shield near the crystal board (see Photo Dl The crystal is Heath part no. 404-279. A toggle switch on the rear panel controls the relay,...

Antenna Yha-44d

Close-up of tripod-socket installation. .See fexf for details. The 5000hm video-level pot (R1) must be shunted with a 100-0hm resistor. A 100-Ohm pot is preferred for this spot but is hard to find (Fig 1). An antenna can be pul together quite simply. First, a 6-1 2 * length of 22 rod is soldered to a BNC connector Next, this is stabilized Photo F, Panel layout. Ihe bezel (see text) shields the switches from accidental tripping. with an epoxy filler. Presto, a serviceable antenna This...

Eme In Czechoslovakia

In the fast ARPL EME contest stahon OKIKiR mjde 45 contacts altogether and by 36 multipliers gained 162,000 points In the 145-MHz band, the operators of the station used a 4 x 10 yagl antenna (accord log to PAGMS> and ihey had contacts with 0L80AT. SM2GGF K1WHS WAWXN 7. K& aftQ and YU3WV and thev heard 25 other European and North American stations. On 433 MHz they made contacts with JA6CZD, G4EZN. F1FHI, HB9G, YU1AW. DL9KR N4GJV WA1RWU, N 9 A B. WB5LJJAH F2TU. K2UYH, I5MSH WBGTEM. K06R...

Namiromcs inc

65-D MOUL ROAD HILTON NY 14468 Phone 716-392 B430 Hamtronics* ft * ngttMd tiadmnart R144 R220 FM RCVRS for 2M or 220 MHz. 0.15uV sens. 8 pole xiaJ filter & ceramic filter m i -f, helical resonator from end for exceptional selectivity. > 100 d B at 112 KHz, best available today. Flutter proof squelch AFC tracks drifting xmtrs Xtal oven avail. Kit only 138. R451 FM RCVR Same but for uhf. Tuned line front end, 0,3 uV sens. Kit only 136. R76 FM RCVR for 10M, 6M. 2M< or 220. As above, but w o...

Prspg

PRS-475PG Is a complete PCB repair system which features a microprocessor-controlled plating cenlcr that 5 capable of depositing 50 microns of gold lor mii-spec edge-connector 'epair The PRS-475PG also includes a desoldering handpiece soide iron thermal tweezer with 3 blade sets, reftow solder toot with practice Kit. miniature drilling system, and circuit repair kit For more information, contact Automated Production Equip mem Corp., 142 Pecan ic Avenue vedforo NY U7G3 (5l6tfS4 M97...

Yap

PRESIDENT REAGAN is indirectly backing amateur radio in a big way through the Young Astronaut Program (YAP). YAP, a group which consists of at least 50,000 schoolchildren enrolled in nearly 2,000 chapters nationwide, is part of the White House Office of Private Sector Initiatives. YAP Director Dr, Kerry Joels met recently with ARRL Development Manager Bill Laz- zaro N2CF to talk about integrating amateur radio into YAP, The discussion centered around linking YAP chapters with local...

Great Britain

Jeff Maynard G4EJA 10 CAi rcrtrte di Widnes WA8 9RP Cheshire England Like most Oi Europe, the UK is keen to promote the adherence to band pians. particularly m the VHP and above allocations. This Is not to impose some kind of bureaucracy on active amateurs but to ensure lhat good sense prevails and ihat everyone ha s a fair share of the space available. There are. of course, inose vociferous minorities who cry foul at any attempt

Charlotte Vt

The Burlington Amateur Radio Club, Inc., will sponsor Hs annual BARC Inter-nation Hamfest at the Old Lantern Camp Grounds In Charlotte VT on Saturday and Sunday, August 10-11, 19 5. Admission is 4 00 per person tor boih days, with children under 12 going free- Flea-market space outdoors wltt cost S2J0Q Flea-mar-fcet space indoors will cost S5.00 For informal ion on overnJghi camping, contact campgrounds. Activities will Include an RiG model airplane how and a CAN-A M tug-of*war Talk-in on 34...

Woooem Block

0N Thick Ness PUAIW SUITING PaPEfl fOH OlELECTBlC. Fig 2 Home-brew 250-pF (more or less) capacitor. Ohms. It works almost as well as real headphones, There's certainly nothing sophisticated about tuning the Foxhole radio. Check the wiring, hook up the antenna and ground, and connect the earphones. Set the slider to the middle of the coil and Start listening. Move the point of the pencil lead slowly across the lettering on the razor blade until you hear a station. Try several different spots...

Info

Tues.-Sat, 10am to 6pm Closed Mondays 1039 Latham Drive Rock Hill, SC 29730 Leo .Sfmpson 140 loynton Avenue PO Box 227 Waterloo NSW 20i 7 Ausiraha Stone the crows This fair dinkum 2m transceiver Reprinted with permission from E ecfron cs Australia. By any standard, the UHF transceiver described in the September, October, and November 1983, issues of tlectronics Australia has been an outstanding success, Many hundreds have been successfully buiit and the kit supplier responsible, Dick Smith...

Instant ATV

W8CHK breaks through the mystique surrounding fast-scan television. You won't believe how easy it can be Broadly speaking, this aspect of television will remain untouched because it isabsoluteh illegal to be active in it without an appropriate license. Most readers, however, will know that A5 emission (video) is perfectly legal for any holder of a Technician-level or higher amateur license with privileges above 420 MHz. But of the large number of amateurs qualified for operating in these bands,...

Israel

Negev Mobile Post Office 85530 Israel THE BAR LLAN HAM F EST THE OLD-TIMERS REMEMBER On Saturday evening. March 30, 1985. the Israel Amateur Radio Club held its annual hamfest and social gathering In the banquet nail of Ihe Bar Man University near Tel Aviv. Among the highlights were a buffet, a display of the latest gear from the Israeli distributors of Kenwood and Yaesu, a laffle of gear ranging from handletalkies to computer accessories, and the awarding of prizes to the winners of the recent...

Scope That Signal

Are you overmodulating Is your linear linear Find out with a station monitor you've built from scratch. Do you worry f do When I operated SSB, I always used to worry about whether my r g was adjusted properly to put out the best possible signal, My ngH like many transceivers today, use a linear Stage for the final amplifier regardless of the mode of operation, be it SSB or CW, and the oniy instrumentation provided is the ubiquitous panel meter. In addition, I had a direc tional couplerfor...

The Seiko Data

As amateur-radio operators, we nave a unique habit of exploiting the capabilities of a variety of electronic equipment. From modifying a surplus radio to converting a CB transceiver for Ten-meter use. we are constantly adapting and applying techno ogy to meet our needs. However, nol all equipment requires modification to be useful. A perfect example of this is the widespread use of microcomputers In I ho ham shack to handle the laborious task of log keeping, QSLmy. and other paperwork A ne...

Multiband Sloper

ALSO CUP Ol ES limited Space anmnnas Oulilwdkng tiformtncDcr W INriinitnn Is wolllnownl Nawen- cy mullib nri BIG SIGNAL r pt iur Aularnilic bandiwtlcfiing Vorv I low SWR'Com l Ml-3kH pow r Compact- F LLT ASSEMBLED I ro fAur tp -itltd Cdnlat i 9vACt IChbiri lt j - E gt T msT T - T r y flr ru ' r iiliuCliifli - ' if l '1 1 ltcl fC plrt 44MND SLOFBt - 40 H, A0,30. Of 3DM frO U long J 4 ft tJ i - H 4 lt W M - Y 9 HO-THAP OiPOtE 0 SO 40 113 It long 1 M h trtw mu - I M 1BAM SJ'JU fc SAVfcH niPCH.E...

Hitech Styling

What can you do with a pencil, a razor blade, a paper clip, and a hank of wire Why, build a radio, of course Penn Gower W1BC 459 Lowell Street Andover MA OlflTO Hams with TV1 problems often learn the hard way how poor metal connections can generate harmonics. Two conductors making partial contact, in gutters for example, can rectify and re-radiate as harmonics part of the signal from a nearby transmitter What few newer hams realize is that the same phenomenon was crucial to the operation of one...

Hurricane Tracking Chart

ONjianiJl'd 8 with I lkj't j I l 11 n y nupSi and data on hum Aries coring ihe AeLmk i ,iull and Piic ifk cmisr Send fr T your 'f gt py belmc the ilcm-i Kegm. Please St-nJ SELF ADDRESSED STAMPED fcNVELOPE ukh WC return postage to HURRICAN1- v HAR1 PA . BOX 10 J'HAM East Milton, MA 01L86 Tii ir i l re . ihr Kill i liKc C.lill t thi . ajjfr D-_ Jhr -nJ v J T V 1 t tr Interference Location Stuck Microphones

Model Ac

Fully Assembled 52 OHM Only 90 feet long SWT less than 2 1 from 3 5 thru 30 MHz. Average SWR 1 A1 Con be installed as flat top, sioper, or Inverted V Used the world over in government amp commercial communication Ideal for all operations - amateur commercial VLARS- any frequency from 3,5-30 MHz PLUS 3 on ShippJng and Handling ALL OUR PRODUCTS MADE IN USA Quality Communication Products Since 1932 At your Distributors. Write or call 10 Canal Street. Bristol PA 19G07 A space age system that allows...

Portugal

Luis Miguel de Sous a CT4UE PO Box 32 This time you will read about a Expedition organized by a few Portuguese hams during the lasi WPX contest, In March. It was to the island of Berienga, a beautiful place surrounded by water which is nice and clear there is not any sort of pollution down mere Wt1 also cannot find any medieval architecture Hl , but an old but nice lighthouse can be seen. Our thanks to Luis CT4NH who kindly sent us the following report Myseii and CT4UW. we've been thinking...

Iso Tip Electronic Technician Drill

W hl Clipper Corporation has introduced a completely redesigned version of its popular JSOTtP high speed electronic technician drifl. The 13.000-rpm drill features an improved3-jaw chuck. The operator can adjust thu 3- aw chuck to virtually any size aperture to accommodate any drill or burr with a shank diameter of up to .125 lt 1 8' - Weighing less than 5oz me drill's com pact length allows it to be used in confined areas and thin cabinet Tie drili is ideal tor prototype development,...

The Field Award

The Board of the Swedish Amateur Ra dio Society. SSA. has ta en the decision io issue The Field Award to licensed radio amateurs for verified contacts with, and to shortwave listeners Tor verified reports from, other radio amateurs In a number of fields. These fields are defined by the Locator System adopted by IARU as of January 1, 1985 The Maidenhead Locator Contacts on o afte- this date are va'id for The Field Award. The Field Award is Issued lor verifica tlons of fields in four classes...

Kadmt

Editorial Offices Pine Street, FefefbofpUQft NH 0345a. phone-. 603-924-9471 Advertising Offices Firm Staeei Ffcterbofough. NH G345S. phone 603-924-7136- Circulation Offices Elrr street Paler borough NH 03456, phone- GQ3-924'W71. Manuscripts Conlrlbuiions in the form of manuscript with drawings andto photographs are welcome and will be considered for possible pubHcaiion We can assu.ne no responsibility tor Loss or damage lo any material. Please enctose a stomped, seff-addressed envetope with...

Tuning

The Panasonic Command Series With double superheterodyne tuning, you'll hear the world loud and dear Now it's easy to listen in on the world's hot spots. Both the RF-B600 and the RF-B300 are packed with With the Panasonic RF-B600 Command Series features and buift to go anywhere. FIWLW MW SW receiver. The Panasonic Command Series offers something Its advanced microcomputer-controlled tuner lets for everyone. With equipment sophisticated enough to you preset up to nine different frequencies. And...

Mosfet Repeater Ample Feers

Mixlel 4111 2-Meter Repeater Amplifier 20 Watts in KX Watts out 10 Watts in - KJWatootf gt Watts m 30 Watts Hodd 4114 2-Meter Repealer Amplifier La- 1365 2 Waits m 10.' Watts out I Watt m Ki Watts m Model 4112 lb, Meter Repeater Amplifier List 11 gt Waits in 70 Watts out MudeJ 5142 70-Cm Repeater Amplifier list 1375 30Wansi i 10 1 Waits out 10 Watts 1 - 40 Watts For more information see your local dealer ortalJ factory for details. Post Office Box 8979 Newport Beach, CA 92658 Telephone 714 760...

New North American Dx Record

On 1296 MHz may have been set by Ott Rebel W4WSR and Wes Atchison WA5TKU. Ott and fellow experimenter A Ward WB5LUA tried for nearly a year to bridge the 1073-mile gap between their stations and establish a new terrestrial 1296-MHz record. Not until June 3, 1985, did favorable conditions appear. In Ott's words, I commenced our sked at 0100 UTC and stood by. Al came back with such a signal that I thought it was a local trying to break in We immediately switched to SSB and exchanged 59 reports....

Publisher

I he SS-32HB is a new hybrid sub-audible encoder plucked from Communications Specialists' Hothouse. It has grown through a cross ol the time tested SS-32, the subminiature SS-32M and space age micro circuitry. This programmable 32 tone encoder measures a scant .5 x 1,0 x . 5 inches no small wonder it allows the addition of continuous tone control to a bunch of hand held transceivers that tack space. Why not snip your problems in the bud. with our last, one day delivery and attractive one year...

Spreadspectrum Communication

Has been approved for amateur use on frequencies above 420 MHz, but there is a catch. Although the final ruling has been published, it will be one year before any transmissions will be allowed, This is, according to the FCC. in order to give the amateur community time to develop initial voluntary interoperability standards as they have done recently in packet radio. In other words, time to get our act together There also will be a limit of three possible spreading sequences so that monitoring...

Give A Hoot

As a rag chewer, I am continually appalled by the habits of contesters Day after Jay I use the 4t gt and 60-meter bands and take care of them as if they were my own. Then suddenly a contest ee end Bf nves and the bands are to wall wlih com esters who use the bands for con ests onty and often treat them unkindly I can understand the frenzied pace during a contest thai would prevent the avid users from keeping things tidy, but what about later The day following a contest is the most depressing....

Poland

Jerzy Szymczak 73-200 Btalogard duczka 2 3 Pofand At the beginning of September, 1964. the central radio station ot PRAA Polish Radio Amateurs Association began to transmit broadcasts of information and 10 establish contacts separately from rhe Radio Information Bulletin of PRAA. on every Sunday at 1030 local time on 3700 kHz SSB and 7060 kHz AM Furthermore, informative SP5PZK broadcasts are trans milted every Wednesday at 1700 local time on 3700 kHz. Broadcasts of PRAA include the latest news,...

Radio Transcription Discs Want

W7FIZ Bo 724-WG. Redmond WA 96073 0 2J BNB347 USCG licenses and 6-month endorsement required For sea-going employment. Excellent money and fringes for technically qualified person. Send resume and copies of licenses lo Box MH 2493, 8iG Sevehih Ave . New York MY 10019 BNB34Q CABl E CONVERTERS, Lowest price. Dealer inquiries accepted. Quantity discounts Free catalog PG Video Corp 61 Gatchell St D pl 73 Buf lt ak gt NY U21Z BNB349 ANTIQUE RADIOS, schematics tubes, and...

The Heath Kit

Heathkit 7800

I've been a ham now for almost 25 years There's a let of enjoyment goiten from Talking to new and old fnends on the ham Dands However as with any other hobby, a person craves to branch out and expand his or her horizons In my case, J thought It was Lime to Iry shortwave listening again as I had when I first started out. Since all my old shortwave gear Is long gone, I needed something new to gel back into generai-coverage receiving while at the same lime noi spending a smaif fortune. Heath's...

Iigooi

Winding Core Ferrite Transformer

Pulses, relatively little sweep voltage will be developed Hence, tor a given trigger-pulse interval, some reasonable capacitor value must be chosen The values shown are about optimum for the trigger pulses used hcrer and the sweep-generator outputs are each about two volts peak Equalization of CR1 sweep widths are obtained with R4 and R5, and a sweep output of about 20 volts peak is produced by the U12 amplifier stage following the generators. As mentioned previously, the circuit of Fig. 2 is...

Icom

Hand-held Transceivers Deluxe models Regular Options - continued Regular SALE CF-1 Cooling fan for PS-15 45.00 EX-310 Voice synth for 751. R-71A 39.95 SP-3 External base station speaker, 49.50 Speaher Phone patch specify radio 139 00 129 BC-I0A Memory back up 8.50 1-2 Relay bo wrth marker 34.00 AT-100 100 8 band automat ant tuner 349,00 314 AT-500 50Dw9-haml automate antluner 449.00 399 AH-1 5-bartd mobile antenna w tuner 289.00 259 PS-30 Systems p s w cord. 6 pin plug 259.95 234 0PC Optional...

Dick Smith Electronics Uhf Wattmeter

Dick Smith Electronics Australia Kit

I'm gomg out on a limb and pred lt cl that one of me best things to happen to electronics in the US this year is the emergence ol Dick Smith Electronics. Incthe California-based arm of Dick Smith Elec-ironies Ply Ltd. ol Australia. Tnis unjque io pany offers a full line of electronic parts, kits, and pre wired assembles us-jng a marketing and advertising style that is sort of a cross between the old PoJy Pakg catalogs and Radio Shack. According to their sales literature, the company has been In...

Mhz Portable Logicscope

The Log cScope- M 136 from Jensen Tods Inc combines many of the features and capabilities of sophisticated logn analyzers and oscilloscopes t is Hflht-weight .25 lbs , compact 9 25 , IS , V75 , and lasl 10 MH T The instrument was designed for servicing digital eiec ironic circuits and equipment and Is es pecially well-suited lor Held work LogtcScope jepiaces the conventional CRT with an array of 400 LEDs whicfl per 77te LogtcScope 136 from Jensen Tools 77te LogtcScope 136 from Jensen Tools mits...

India

M ss ft Sub ft n 3 Thlru-VI-Ka Road Posf flo 725 Madras 600 006 India A small village a hundred rrmos away Irom Madras, served by n feeder-route bus Service nao the unique privilegedhaving been the destination of the largest num ber of hams aver lo have visited an Indian village. This little place Chat ram can not be found even on the district map, but l is known lo most 40m operators, DX and Indian, as the home of fndia's first and Only blind hamr VU2TTC Chakravarthy, popular on the band as...