. QST . having made over 400 contactswith three transmitters during tlie first nine liours of opera-tion. RBX reports tlie following from the Toledo Area:A proficiency award was given HNP for his help in settingup the RACES program in the Toledo Area; tlie AnnualRadio Rifle Match, in vvliich Detroit, Grand Rapids, Toledo,and Pittsburgh participated, was handled by PNY andYGR on 3610 kc; the Toledo Club held Field Day besidea quarry so that members could fish or swim when the bandscooled off; BIQ is up to 93 countries on 21-Mc. phone; andthe QSO Party, a local affair, has been namedThe
. QST . having made over 400 contactswith three transmitters during tlie first nine liours of opera-tion. RBX reports tlie following from the Toledo Area:A proficiency award was given HNP for his help in settingup the RACES program in the Toledo Area; tlie AnnualRadio Rifle Match, in vvliich Detroit, Grand Rapids, Toledo,and Pittsburgh participated, was handled by PNY andYGR on 3610 kc; the Toledo Club held Field Day besidea quarry so that members could fish or swim when the bandscooled off; BIQ is up to 93 countries on 21-Mc. phone; andthe QSO Party, a local affair, has been namedThe Maynard A. Nelson QSO Party in memory of HHF,who recently passed away. Cincys Mike and Key reportsthat the (iCAR.\S Stag Hamfest will be another extrava-ganza. First prize will be a 75A-4 and second prize an ElmacAF-67. The Columbus Carasrope informs us that PEN gavea talk on freciuency measuring at the July 1st meeting; theCARA Picnic was held July 24th at Black Lick Woods;{Continued on page 8Jf) 82. AUTOMATIC T - R ANTENNA SWITCH Fully automatic electronic antennachangeover from receiver to transmitterand vice-versa. Suitable for all powersup to legal limit. Ideal for voice operatedSSB—AM phone and break-in CW--allwith one antenna . . ending annoyingantenna changeover relay clatter. Youcan automatically select one antenna forreceiving and transmitting, getting anactual receiving signal gain from 1 mcto 35 mc. Because the Model 380 isbroad band, theres no tuning or adjust-ments to make, and as a fail-safe device,it protects your final amplifier, low-passfilter, etc. Power loss on transmissionis almost unmeasurable. Operates witheither 52 or 75 ohm coax line. LOW PASS FILTERS
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
