Labels:book | bulletin board | crt screen | earth | right triangle | sky | windowpane OCR: 002 0.03 0.05 0.07 0 0.01 0.02 0.03 0.050.07 05 Frequency (Mc/s) Frequency Mc/s FIGURE 14B FIGURE 14C Variation of radio noise with frequency Data on noise var riability and character Summer, 0000 0400 Summer, 0000 0400 h. Expected values of atmospheric noise 0Fam Standard deviation of values of Fam Expected values of man-made noise at quiet Ratio of upper decile to median val lue Fam receiving location ODu Standard deviation of values Expected values of galactic noise Ratio of median value Fam lover decile Stantard deviation of value of in Expected value of median deviation of average voltage The values shown are for a bandwidth of 200 c/s. freauency iability OFam Standarc
