. The Bell System technical journal . Monthly Averages Diurnal Variation of Signal Field Strength Xortholt, England (GKB) Measured at Riverhead, L. 1. 5,460 Km. 52,000 Cycles 1924 I. ^!. 1111 LilU Uii Monthly Average of Diurnal Variation of Signal Field Strength , Fngland (CiBL) Measured at dreen Harbor, Mass. Corrci-ted to 300 Am|)cres Antenna Current 5, Km. 24,050 Cycles July, 1023 -I;in,. ])24 \l/C )/() t ;SI- I 4W

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1