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ID = 42747
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transmitting Triode, air cooled 
Identical to 8026 = 4C27 = NT99 = CV92

Was used by Radar
Filament Vf 6 Volts / If 6.5 Ampere / Half indirect

<600MHz, Pa <150W. Micropup shape, external copper anode with brass radiator. Two tubes gave up to 150KW pulse output at 200MHz in grounded-plate circuit. Used in the transmitters of SCR-602A and of SCR-636A.
8026 was the RCA designation for their production of British NT99. 8026 was registered as 4C27.

Information source Tube Lore (I)   
-- Original-techn. papers.   
8026: Manufacturer's Literature
Emilio Ciardiello


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