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April 2000 QST PDF

180 Pages·2000·39.42 MB·English
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Preview April 2000 QST

(cid:1) April 2000 Volume 84 Number 4 CONTENTS David Sumner, K1ZZ Publisher Technical Mark J. Wilson, K1RO Editor Steve Ford, WB8IMY 33 A $20 HF Mobile Antenna Frank W. King, KM4IE Managing Editor This weekend project delivers a respectable “road radiator.” Joel P. Kleinman, N1BKE Associate Technical Editor 36 An Amateur Satellite Primer Steve Ford, WB8IMY Larry D. Wolfgang, WR1B; Dean Straw, N6BV; Learn the basics of amateur satellite operating. Robert Schetgen, KU7G; Charles L. Hutchinson, K8CH; Paul Pagel, N1FB 42 Step Up to the 38,400 Bps Digital Satellites Stacey E. Mills, W4SM Senior Assistant Technical Editors If you think the 9600 bps digital satellites are hot, wait until you begin Joe Bottiglieri, AA1GW swapping files and downloading high-resolution images from OSCAR 36 Assistant Technical Editor at 38.4 kbps. Ed Hare, W1RFI; Zack Lau, W1VT; Mike Tracy, KC1SX; Al Alvareztorres, AA1DO 46 A Simple 6- and 10-Meter Long Wire Bob Witmer, W3RW Laboratory Staff Boost your performance on 6 and 10 without expense of a beam and rotator. Rick Lindquist, N1RL Senior News Editor 58 Continuous PEP Metering the Easy Way Eldon Bryant, K7ZQR Rosalie White, WA1STO Monitor your output up to 1.5 kW PEP with a couple of thermometers! Public Service Dan Henderson, N1ND 70 Product Review Joe Bottiglieri, AA1GW Contests This month we round up several popular multimode communication prosessors, Mary E. Lau, N7IAL test the new RadioShack HTX-10 10-meter transceiver, and explore the At the Foundation ICOM IC-T81A quad-band FM H-T. Bernie McClenny, W3UR How’s DX? Bill Moore, NC1L DXCC, VUCC John Hennessee, N1KB Washington Mailbox John Troster, W6ISQ; Emil Pocock, W3EP; Diane Ortiz, K2DO; Stan Horzepa, WA1LOU; Paul L. Rinaldo, W4RI; Al Brogdon, W1AB; George Fremin III, K5TR; Roger Burch, WF4N; John Dilks, K2TQN; Rich Arland, K7SZ; 70 H. Ward Silver, N0AX Contributing Editors Michelle Bloom, WB1ENT News and Features Production Supervisor Jodi Morin, KA1JPA Assistant Production Supervisor/Layout Sue Fagan 9 “It Seems to Us. . .”: Extra Value Meal Graphic Design Supervisor 15 DC Currents Steve Mansfield, N1MZA David Pingree, N1NAS Senior Technical Illustrator Spectrum issues back on The Hill; more states introduce bills on Michael Daniels “driving while cellular.” Technical Illustrator 28 Bulgaria: Amateur Radio Friends and Fun George Pataki, WB2AQC Joe Shea, Paul Lappen Production Assistants Meet the people behind the LZ call signs. Steffie Nelson, KA1IFB 49 NE2Q’s Antenna Fell From the Sky Jay Kolinsky, NE2Q Proofreader When you tell a ham to “go fly a kite,” you never know what will happen. John Bee, N1GNV Advertising Manager 53 How Hamvention Happens Rick Lindquist, N1RL Hanan Al-Rayyashi, KB1AFX Get the behind-the-scenes scoop about the greatest ham show on Earth. Advertising Production Coordinator Melissa Yrayta 80 Happenings Rick Lindquist, N1RL Advertising Assistant League readies certification program for rollout; flames claim Ham Radio Debra Jahnke Outlet’s Anaheim store; setbacks alter plans for Amateur Radio’s ISS debut; Circulation Manager League officer elections set musical chairs in motion; ARRL asks FCC to deny Kathy Capodicasa, N1GZO Deputy Circulation Manager Kenwood “Sky Command” petition; more... In order to ensure prompt delivery, we ask that you periodically check the address information QST (ISSN:0033-4812) is published monthly as its official journal by the American Radio Relay on your mailing label. If you find any inaccura- League, 225 Main Street, Newington, CT 06111-1494. ARRL yearly membership dues (including a cies, please contact the Circulation Department subscription to QST), are $34 worldwide. To compensate for additional postage for mailing outside immediately. Thank you for your assistance. the US, please remit $47 for Canada and $54 for other countries. Complete membership information is shown on page 5. Periodicals postage paid at Hartford, CT, and at additional mailing offices. See page 10 for detailed contact information. Telephone: 860-594-0200 POSTMASTER: Form 3579 requested. Send address changes to: QST, 225 Main St, Newington, CT 06111-1494 Volume 84, Number 4 Fax: 860-594-0259 4 April 2000 QST Workbench 59 The Doctor is IN CQ and IARU zones, calling for a taxi on the autopatch; more... 61 Add a Morse Readout to the AA4FB PIC SWR Meter Bert Kelley, AA4FB An easy modification makes this popular meter ideal for the visually impaired. 62 Test Your Knowledge! H. Ward Silver, N0AX Have a heapin’ helpin’ of ohm slaw! 63 A Tool for Winding Small Toroidal Cores Charlie Hansen, N0TT This simple tool and technique takes the pain out of working with tiny torroids. 65 Short Takes Steve Ford, WB8IMY Nova for Windows 32 66 The Help Desk A QST Glossary 67 Short Takes II Steve Ford, WB8IMY Win95SSTV Our Cover This month we're treated to stunning images from 68 Hints & Kinks Bob Schetgen, KU7G the OSCAR 36 satellite. The background image is GE Master-II mods; prevent NiCd overcharging; an easy mobile mount; the Nile River with the Aswan dam clearly visible. more... Inset views (top to bottom): Las Vegas, the Grand Canyon and San Jose, California. All of these images were downloaded from OSCAR 36 with assistance from Chris Jackson, G7UPN, at Surrey Satellite Technology Ltd. See “Step Up to the 38,400 Bps Digital Satellites” by Stacey E. Mills, W4SM, in this issue. Membership in the ARRL, including a subscription to QST, is available to individuals at the following rates: $34 per year in the US and possessions, $47 Canada, $54 elsewhere, payable in US funds. Age 65 and over, with proof of age, $28 (US only). Licensed radio amateurs age 21 and under may qualify for special rates; write for application. Life membership is also available. Membership and QST cannot be separated. Fifty percent of dues is allocated to QST, the balance for membership. 53 Subscription rate for libraries and institutions: $34 per year postpaid in the US and possessions, $47 Canada, $54 elsewhere. Single copies $5 in 65 the US. Operating Membership without QST is available to the immediate family of a member living at the same address, and to anyone who is legally blind, for $5 per year. 106 2000 IARU World Championship Rules Dan Henderson, N1ND Foreign remittances should be by international postal or express money order or bank draft 108 Straight Key Night 2000 Dan Henderson, N1ND negotiable in the US and for an equivalent amount in US funds. Copyright ©2000 by the American Radio Relay League Inc. Title registered at the US Patent Office. International copyright secured. All rights Departments reserved. Quedan reservados todos los derechos. Printed in the USA. QST®, DXCC®, VUCC® and DX Century Club® Amateur Radio World.....................102 QRP Power.........................................93 are registered trademarks of the American Radio Contest Corral.................................100 Section News..................................109 Relay League, Inc. Coming Conventions.........................97 Silent Keys......................................104 The ARRL and QST in no way warrant the products described or reviewed herein. Correspondence................................24 Special Events................................ 101 QST is available to blind and physically Exam Info...........................................94 Strays.......................................104, 107 handicapped individuals on audio cassette from Feedback........................................ 107 Technical Correspondence..............78 the Library of Congress, National Library Service for the Blind and Physically Handicapped. Ham Ads..........................................150 The World Above 50 MHz.................90 Call 1-800-424-8567. Hamfest Calendar .............................98 Up Front in QST.................................19 Indexed by Applied Science and Technology Index, Library of Congress Catalog Card No: 21-9421 How’s DX?..........................................88 VHF/UHF Century Club Awards.......97 Index of Advertisers........................174 W1AW Schedule.............................105 Reprint Permission New Books................................95, 107 We’re at Your Service........................10 For permission to quote or reprint material from QST or any ARRL publication, send a written New Products .....................................99 YL News..........................................103 request including the issue date (or book title), Old Radio...........................................96 75, 50 and 25 Years Ago............... 105 article, page numbers and a description of where you intend to use the reprinted material. Send Public Service....................................86 the request to the office of the Publications Manager (e-mail [email protected]) April 2000 5

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Learn the basics of amateur satellite operating. 42 Step Up to the . New Books . 61 Add a Morse Readout to the AA4FB PIC SWR Meter Bert Kelley, AA4FB. An easy Joe H. Brown, W6UBQ, 5444 La Sierra, Riverside, CA .. for his series of digital signal processing tutorials. Basic Stamp2 micro-.
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