. The Bell System technical journal . SEPT. 21,1934 3:30AM 4:00AM 403020 to —K / \_ C \rJ^ ^^ [\.J ^y v^ v *-N/) /^ \ l\i SEPT. 2 1,1934 4:30AM 5:00AM 5:30AM EASTERN STANDARD TIME Fig. 5—Twenty-four hour run, vertically polarized ULTRA-SHORT-WAVE TRANSMISSION 497. 3020 CD 10 /■\ / V \r^ ^ /W ^■^ y^ v^ /^ ^V ^\ V J V y \i Y SEPT. 21,1934 20 IIOOAM irSOAM

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1