. QST . whas 55 members, all .\RRL members. FCV is a new hamat Fhiid and fliglit surgeon at Vance AFB. GVS reports in-creased activity on OLZ, the Oklahoma net, whicliexpects to continue operation all summer. An attempt isbeing made to better the present auto license plate bill to (Continued on page 112) 110 WHILE HEW YORK CITY SLEEPS mper ex* vhf tubes TAHD GUARD Jl^fiiSftlll and over 70,000 Amperex 5894 or6252 VHF transmitting tubes are nowin use all over the country, In approvedequipment by Fire Departments, CivilDefense, Police and other MunicipalEmergency Services . . because Amperex
. QST . whas 55 members, all .\RRL members. FCV is a new hamat Fhiid and fliglit surgeon at Vance AFB. GVS reports in-creased activity on OLZ, the Oklahoma net, whicliexpects to continue operation all summer. An attempt isbeing made to better the present auto license plate bill to (Continued on page 112) 110 WHILE HEW YORK CITY SLEEPS mper ex* vhf tubes TAHD GUARD Jl^fiiSftlll and over 70,000 Amperex 5894 or6252 VHF transmitting tubes are nowin use all over the country, In approvedequipment by Fire Departments, CivilDefense, Police and other MunicipalEmergency Services . . because Amperex tubes have provenMOST DEPENDABLE If disaster should strike, will your com-munication equipment meet the test? Intime of disaster, there is no substitutefor dependability — even initial costbecomes secondary! Long life, rugged-ness, and reliability were the watch-words in the final selection of thesetubes. If you are planning new fixed ormobile stations, insist on AMPEREX type5894 or 6252 to be sure!. Sonar Rodio CorporationsFCDA-approved, ModelCD-2 Transmitter, designedfor CD fixed and emer-gency operation uses theAmperex type 6252. Rodio Engineering loborotories Type 715 Transmitter,used by New York Citys Fire Department, employsthe Amperex type 5894. Type 6252$ Net
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
