Labels:barrier reef | earth | monitor | paper OCR: DX SIGNAL STRENGTH REPORTED BY W4MB EACH XALL CON JAN-17-79 TACTS -SIGNAL UNITS OF 5dB MAR POWER APRIL GIVEN HEIGHT JAN SEPT GIVEN 0.01 99.9 99 99 WITH SIGNAL STRENGTH LESS OR EQUAL TO Fig Distribution of signal strength re ports given by W4MB to the DX station for three conditions The horizontal coor dinate graduated for the Gaussian 'normal" probability distribution
