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1...t • August 1984 M u' COMTittet, ication QSL CARDS RECENTLY AMATEUR RADIO STATION RECEIVED AT RSGB 6B4 D - DAY HQ COMMEMORATING TWO UNIQUE OCCASIONS ON RIGHT The card of GB4DD through which messages were exchanged with HM The Queen, as featured on last month's cover BELO W The front and one inside page of the four-page card ERATION OV RD commemorating the first amateur radio operation in UTAH OMAHA ,I,CLD JUNO SWORD space FLIG HT OF COLU MBIA ItIASA STS-9/Spacelab-1 Launched on November 28, 1983 and alter 247 hrs. 47 min landed at Edwards A F B. on December 8, 1983 • First launch of Spacelab Iprovided by the European Space Agency/ • Longest Orbiter flight to date • First European crewmember • First 'Payload Specialists" Irian:career astronautst • First six-person spaceflight * First Amateur Radio station in space. W5LFL Transceiver moddied Motorola MX-300 2-meter FM transceiver, hand-DUllt by the Motorola Amateur Radio Club in Florida. Antenna. directionat ring radiator with cavity, designed lo lit in the upper window of the spacecraft; built for NASA by volunteer employees of Lockheed Power 45 watts Mode. FM, CW (by keying carrier) All transmit and receive audio were tape recorded, which constitutes the station log. Operating orbits 400. 560. 62A. 710, 91A, 96A. 97A&0, 110D. 111A&D, 112A. 113A, 129A. laoA, 134A, 1340, 135A&D, 144A&D, 145A&D, 146A, 1490 and 15011 4 111 - 3 _A s k Stations. 2-way contact: over 350 It" SWL approximately 10,000 cards received Countries 23 STS-9/Spacelab-1 I 21MSA T, ; Total operating lime abOut 4 hrs. 30 nuns The following message is printed on page 3: "t am happy you were able to receive my Amateur Radio 2-meter signals from space during the STS-9/Spacelab-1 mission between 28 Nov. 1983 and 8 Dec. 1983. 73. Owen (Owen K. Garriott. W5LF14" Journal of the Radio Society of Great Britain 01-422 9585 FOR FAST DELIVERYai icoml KEN WOOD YAESU FT-980 CAT SYSTEM YAESU 757GX Heil HMS Microphone YAESU YAESU FT-203 YAESU FT-ONE FT-480R ICOM YAESU ICO2E A. FT-208R Heil EQ 300 FAIR DEAL POLICY At Amcomm. we believe we are here to do much more than sell boxes off the shelf. We are specialists in amateur radio equipment and our managment and staff are all amateur radio enthusiasts. We sell nothing else, Many firms can give you a so-called fair deal, at the time of purchase, but only a handfull of companies in the U.K. are fully equipped to give «;* • you a total after-sales service. Amcomm is one, with a wide range of 1.4/ t • spares, and speedy access to factory stocks, we offer a complete service. Whether you buy now or bought 10 years ago. What's more, we pride ourselves on being able to service everything we sell ourselves. YAESU FT-102 Don't take our word for it, find out for yourself, ask around on the air, CALL FOR SPECIAL PRICE you'll keep coming up with the same answers, good competitive prices and excellent after-sales service. Go on. ask around. = 3113 VISA SERVICES LTD., 194 NORTHOLT ROAD, SOUTH . HARRO W, MIDDX. HA2 OEN. ENGLAND. (Opp. South Harrow Underground Station) . TEL: 01-422 9585. TELEX: 24263 AUGUST 1984 VOLUME 60 No 8 CO W u ication EDITOR C ONTENTS A. W. Hutchinson 651 Editorial—The election of Council members Assistant editor 652 Amateur Radio News Mrs S. M. Newton 654 Nominations for election to the 1985 Council of the RSGB Mobile Rallies Calendar Draughtsman 655 Special Event Stations D. E. Cole Other Events RAE Courses 1984-5 Morse courses Editorial secretary Obituaries Mrs O. M. Ogles 656 Members' 'Mailbag 658 An introduction to data communication—P. I. Cadman, G4ICP All contributions (including Members' Ads) and all correspondence concerning the content of 661 Modification of a standard 144MHz Europa or Europa Et to cover 70MHz—M. Radio Communication should be addressed to: C;ibbings, G3FD W The Editor, RSGB, 663 Design of L-networks for matching antennas to transmitters—J. A. Ewen, CEng, 88 Broomfield Road, MIMechE, G3HGM Chelmsford, Essex CM1 1SS 666 A transceiver for the hf bands (Part 3)—Lorin Knight, MIEE, G2DXK Tel 0245 84938 674 Technical Topics—Pat Hawker, G3VA Office hours: 0900 to 1700 680 4-2-70—Ken Willis, G8VR 684 Microwaves— Mike Dixon, G3PFR ADVERTISING 685 Ephemeris—Bob Phillips, G41QC) Advertisements, other than Members' Ads, should be sent to: 686 The Month on the Air—John Allaway, G3FKM M. J. Hawkins, G3ZNI, 690 The Third RSGB National HF Convention RSGB Advertisement Officer, PO Box 599, 692 SWL News—Bob Treacher, BRS32525 Cobham, Surrey KT11 20E 693 QRP—Rev George Dobbs, G3RJV Tel 037 284 3955 694 Contest News 697 Contests Calendar EDITORIAL BOARD 699 Club News D. A. Evans, G3OUF A. W. Hutchinson 702 Members' Ads D. S. Evans, G3RPE Correspondence concerning the distribution of Technical articles on subjects of amateur interest are always welcome and should be the journal and all other Society matters should sent to: The Editor, Radio Communication, 88 Broomfield Road, Chelmsford, Essex be addressed to: CM1 1SS. All articles received are reviewed for technical merit by the RSGB Technical & RSGB Headquarters, Publications Committee, or an acknowledged expert on the subject. before acceptance. Alma House, Payment at high competitive rates will be made for all articles published. Cranborne Road, ' A contribution will only be considered for publication on the understanding that the Potters Bar, person submitting it is the original author and owner of the whole copyright, and that on acceptance for publication such copyright will become the property of the RSGB in Hens EN6 3JW consideration of the above-mentioned payment by the RSGB to the contributor. Tel 0707 (from London, 77) 59015 The editor will be pleased to send intending authors a manuscript preparation guide and to give any other advice and assistance requested. Business hours: 1000 to 1600 Radio Com munication is published by The Radio Society of Great Britain as its official journal on the first Friday of each month and is sent free and post paid to all members of the Society ABC 33,778 copies per Closing date for contributions issue average unless otherwise notified: RADIO SOCIETY OF y mpyi • fi',Rf All P' circulation in 1983 five weeks before publication date GREAT BRITAIN 1984 We here at TRIO-KEN WOOD have aver the years developed a range the new hf amateur band transceiver and of equipment designed by our professional engineers for you the general coverage receiver... the Trio TS430S active radio amateur. Our products range from the top notch TS930S KF amateur band transceiver to the smallest accessory. Each piece of • aitZ equip ment is specifically designed with the requirements of you, the radio amateur in mind. It has always been our policy at TRIO-KEN WOOD to improve the specification and reliability of equip ment by listening to the valuable com ments of radio amateurs all over the world. The important relationship between yourself, the radio amateur and TRIO-KEN WOOD is through our authorised distributor for the UK, LO WE ELECTRONICS =D. We give below a list of approved TS430S C77955 inc VAT (cam £6) dealers in the UK. Any dealer not on this list has no connection with the U K distributor network and has no 'Digital DX-terity" is a phrase that on CW, 120W on FM (with optional FM direct factory backing. Great care describes simply the new HF transceiver board fitted) and 60W on AM. should be taken when purchasing from Trio. Combining an amateur band your amateur radio equip ment, to e The rig operates from a 13.8V DC BF rig with the facilities oía general ensure that the dealer is factory source or by using the optional PS430, coverage receiver, the TS430S provides approved. In any case, first contact 240 volts AC supply today's discerning amateur with a our sole distributor for the UK. Lowe e The digital readout indicates frequency Electronics Ltd., who will be pleased transceiver which enables him not only to 100 Hz ( readout is internally to advise you of your nearest dealer. to com municate with his fellow amateurs modifiable to 10 Hz). but to listen to the broad spectrum of shortwave communication worldwide. Eight memories store frequency, mode and band data. The eighth memory Sole Distributor Lowe Electronics Ltd. ie The rig covers 160-10 metres, the Chesterleld Road Matlock, Derbyshire OEA 6LE amateur bands, plus ISO KHz-30 MHz stores the receive and transmit '1131 0829.2817, 2480.4057 4995 frequencies independantly. as a general coverage receiver London Lowe Electronics Ltd. e- An internal lithium battery having an 278 Pentonville Road, London NI 9NR USB. LSB. CW. AM modes are provided. (Shop located lower sales floor, Hopworth.e) estimated five year life is provided for '1131 01-837 8702 FM is also available by adding the memory back-up. Glasgow Lowe Electronics Ltd optional FM430 receive/transmit unit. 4,15 Queen Margarete Rd, off Queen Margaiete Drive. Glasgow. Memory Scan. '11,1 041-943 2828 e A compact and lightweight design - 270 mm wide, 96mm high and 275mm Program mable automatic band scan The Worth Bast Lowe Electronics Ltd. Sir 68 North Road, Darlington. Durharn deep, the TS430S weighs only 6.5 Kg width. 'NI. 0328 488121 ( 14.3 lbs) and can be said to be a true Birmingham Ward Electronics IF shift, for minimum QRM. Soho House. 302.384 Soho Road, Birmulgharn B21 90L portable transceiver, ideal for both e 1\inable notch filter.
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