Labels:book | bulletin board | earth | skep | windowpane OCR: db 180 0.02 0.03 0.05 0.07 003 0.05 0.07 Frequency Mc/s Frequency (Mc/s) FIGURE 17B FIGURE 17C Variation of radio 1200 noise 1600 with h frequency Data on noise (Summer; var 1200 iability 1600 and character (Summer, receiving Expected Expected Expected values values values location of of of galactic man-made atmospheric noise noise noise at a quiet ODu OFam Ratio Ratio Staatard Standard Standard of of upper median deviation deviation deviation decile value, of of of to value values values Fam median of to of of Fam lover value decile Fam Expected value of median deviati tion of average voltage The values shown are for a bandwidth of 200 c/s.
