RADIO METEOROLOGY 



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RELATIVE SIGNAL STRENGTH IN OB 



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Figure 38. Reliability of circuit. Average of July 1943 and January 1944. (Empire State Building to Hauppauge and 

 Riverhead, L. I., N. Y.) 



mistakes have been reported, especially from the shows that the amount of scattering increases very- 

 tropics, rapidly as the wavelength is decreased. It also 

 Rain echoes are a result of the scattering of micro- increases rapidly with increasing drop diameter. On 

 waves by the raindrops. Electromagnetic theory account of this sharp variation the scattering effects 



