May 2000 QST

75, 50 AND 25 YEARS AGOMay 1925◊ The cover, by ClydeDarr, 8ZZ, shows 8WFI“Sending Pictures byAmateur Radio.” Theeditorial’s first subject,“Local Vigilance Committee,”tells how theTraffic Department isforming local hams intocommittees to deal withthe increasing problem ofham interference tobroadcast listeners. Theeditorial also reports on“The I.A.R.U. Congress,” which will be conveningas the issue goes to press, commenting that “… thetime has arrived when the two-way telegraphers andexperimenters actually need organization and coordination.”Frank Jones, 6AJF-6XM, describes the “PioneerShort-Wave Work” done by three California hams,telling how they experimented to determine theproper length of “reflector wires”, arranged in aparabolic arc behind the sending set’s antenna atwavelengths below 3 meters, to produce strongersignals. Various results are noted, some of whichcan be explained, and others, not. Dan Wilkersondiscusses “Visible Radio Communication,” describingthe “Jenkins Duplex Photogram Machine” andtelling how the “automatic facsimile machine” cantransmit and receive pictures via radio. ByronMinnium describes “The Isofarad Receiver.” “SendingLicenses Suspended” reports that about 100hams’ licenses have been suspended for violationof the new radio rules! “Amateur Radio at FloydCollins’ Cave” tells how ham radio helped get thenews of Collins’ entrapment in a Kentucky cave tothe outside world. 9BRK and 9CHK manned a portablestation near the cave and relayed reports tothe nearest telegraph line, several miles away. The“Experimenters Section Report” tells how an experimentaltransmitter was operated at a wavelengthof 3 /4 meter, and solicits suggestions for further experimentsfrom QST readers. William Murphy tellsof his experiments with “Top-Loading Antennas andLoops.”May 1950◊ The cover photo showsa compact amplifier for10, 6 and 2 meters, describedin this issue, thatuses a pair of 826 tubes.The editorial is a rareguest editorial written byFrank Fisher, W5AHT.His argument in supportof organized Amateur Radioleads the editor tocomment, “We wish wehad written it!”By Goodman, W1DX, tells about “A Variable-Selectivity Sharp I.F. Amplifier,” to be used as “anoutrigger ‘Q10-er’ for the C.W. man.” Charles Dene,W3CPC, presents “A Low-Cost TVI filter.” In “‘TailorMade’ Antenna Couplers,” George Grammer,W1DF, tells about optimum designs using new commerciallymade coils. Richard Smith, W1FTX, discusses“Utilizing the 826” in his compact 250-Wamplifier for 10, 6 and 2 meters. Louis Hippe,W6APQ, writes about “Tower and Rotator Techniques,”with Part I telling how to build a ruggedwooden tower. The final ’phone results for the “16thSweepstakes Contest” report that three hams brokethe 100,000 point barrier for the first time—W6OGZ (with the top SS phone score of 122,400points), W6ITH and W6QEU. The fourth-placescore was W7PUM’s 75,641 points, to put those sixdigitscores in perspective. Henry Hayes, W3JUM,writes about “A Compact 2-Meter Station for MobileUse.” “Future-hamic,” by Kermit Slobb,W9YMZ, imagines a two-way amateur televisioncontact in the future year of 1980.May 1975◊ The cover photo shows Amateur Radio aidingeducation in Scotland. The editorial discusses thecurrent chore of tallyingthe results of the recentmembership questionnaire,noting the trend towardthe fragmentationwithin Amateur Radiothat sometimes worksagainst the united frontthat we must present toexternal organizations.Steve Gross, W9OJI,describes “A Parallel-4CX250B Amplifier for144 MHz.” In “The CitySlicker,” under the “Beginnerand Novice” banner, Milton Drake, W2JPN,tells about his simple inductive loading system forusing an 8-foot whip on the HF bands. [Coincidentally,Sam Harris, W8UKS, used “The City Slicker”as the name for his stack of four folded 144 MHzdipoles in his November 1949 QST article.—Ed.]John Kaufmann, WA1CQW, and Gary Kopec,WA8WNU, tell about “A Convenient Stub-TuningSystem for Quad Antennas.” Parts II are presentedin the two series “Learning to Work with Semiconductors,”by Doug DeMaw, W1CER, and JayRusgrove, WA1LNQ; and “Slow-Scan to Fast-ScanTV Converter,” by George Steber, WB9LVI. Thecover story, “Amateur Radio Boosts Education,”by Barbara Dirrigl, tells how schools in Scotlandare using OSCAR satellites to further classroomstudies. “Fifi vs. Honduras” reports amateur emergencycommunication work in Honduras followinghurricane Fifi. “Results, 41st ARRL NovemberSweepstakes” reports that, once again, there werea record number of participants—2425 entries. Onenotable entry was WB8OFR, who placed first onphone and second on CW from the competitiveOhio Section, using Drake-line gear and dipoles.Nothing special, you might think—but Frank isblind! The close contest in the affiliated club scoresfound the Potomac Valley Radio Club barely beatingout Murphy’s Marauders, 8,570,392 to8,488,980.—Al Brogdon, W1ABW1AW SCHEDULEPacific Mtn Cent East Mon Tue Wed Thu Fri6 AM 7 AM 8 AM 9 AM Fast Slow Fast SlowCode Code Code Code7 AM- 8 AM- 9 AM- 10 AM-Visiting Visiting Operator Time1 PM 2 PM 3 PM 4 PM (12 PM - 1 PM Time closed for lunch)1 PM 2 PM 3 PM 4 PM Fast Slow Fast Slow FastCode Code Code Code Code2 PM 3 PM 4 PM 5 PM Code Bulletin3 PM 4 PM 5 PM 6 PM Teleprinter Bulletin4 PM 5 PM 6 PM 7 PM Slow Fast Slow Fast SlowCode Code Code Code Code5 PM 6 PM 7 PM 8 PM Code Bulletin6 PM 7 PM 8 PM 9 PM Teleprinter Bulletin6 45 PM 7 45 PM 8 45 PM 9 45 PM Voice Bulletin7 PM 8 PM 9 PM 10 PM Fast Slow Fast Slow FastCode Code Code Code Code8 PM 9 PM 10 PM 11 PM Code BulletinW1AW’s schedule is at the same local time throughout the year. The scheduleaccording to your local time will change if your local time does not have seasonaladjustments that are made at the same time as North American timechanges between standard time and daylight time. From the first Sunday inApril to the last Sunday in October, UTC = Eastern Time + 4 hours. For the restof the year, UTC = Eastern Time + 5 hours. Morse code transmissions:Frequencies are 1.818, 3.5815, 7.0475, 14.0475, 18.0975, 21.0675, 28.0675and 147.555 MHz.Slow Code = practice sent at 5, 7 1 /2, 10, 13 and 15 wpm.Fast Code = practice sent at 35, 30, 25, 20, 15, 13 and 10 wpm.Code practice text is from the pages of QST. The source is given at the beginningof each practice session and alternate speeds within each session. For example,“Text is from July 1992 QST, pages 9 and 81,” indicates that the plain text is fromthe article on page 9 and mixed number/letter groups are from page 81.Code bulletins are sent at 18 wpm.W1AW qualifying runs are sent on the same frequencies as the Morse codetransmissions. West Coast qualifying runs are transmitted on approximately3.590 MHz by K6YR. At the beginning of each code practice session, theschedule for the next qualifying run is presented. Underline one minute of thehighest speed you copied, certify that your copy was made without aid, andsend it to ARRL for grading. Please include your name, call sign (if any) andcomplete mailing address. Send a 9×12-inch SASE for a certificate, or a business-sizeSASE for an endorsement. Teleprinter transmissions:Frequencies are 3.625, 7.095, 14.095, 18.1025, 21.095, 28.095 and147.555 MHz.Bulletins are sent at 45.45-baud Baudot and 100-baud AMTOR, FEC Mode B.110-baud ASCII will be sent only as time allows.On Tuesdays and Fridays at 6:30 PM Eastern Time, Keplerian elements formany amateur satellites are sent on the regular teleprinter frequencies. Voice transmissions:Frequencies are 1.855, 3.99, 7.29, 14.29, 18.16, 21.39, 28.59 and147.555 MHz. Miscellanea:On Fridays, UTC, a DX bulletin replaces the regular bulletins.W1AW is open to visitors from 10 AM until noon and from 1 PM until 3:45 PMon Monday through Friday. FCC licensed amateurs may operate the stationduring that time. Be sure to bring your current FCC amateur license or aphotocopy.In a communication emergency, monitor W1AW for special bulletins as follows:voice on the hour, teleprinter at 15 minutes past the hour, and CW on thehalf hour.Headquarters and W1AW are closed on New Year’s Day, President’s Day,Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgivingand the following Friday, and Christmas Day. 3/00May 2000 93