INDEX 



227 



West Indies, climate survey, 39-40 

 Wet and dry bulb thermometers for 

 himiidity measurements, 97-98 

 Wet bulb temperature, definition, 132 

 Wind speed 



effect on diurnal temperature varia- 

 tions, 30 



effect on ground clutter, 193-194 



in ocean ducts, 40-43, 95 



in West Indies, 40-43 



measming equipment, 99-100 

 Window, 192 



^^'SC wired sonde, use in radar propaga- 

 tion forccastiny:, 117 



X-band transmission 

 angle-of-arrival measurements, 209- 



212 

 antennas, 33-34 



dielectric constant of steam, 185-186 

 radar echoes, fluctuations, 191 

 rain attenuation, 148, 164, 180 

 random scatterers, 192 

 receivers, 5, 34 



reflection, 137, 146 

 sea echo, 196 

 signal strengths, 9-11 

 signal types, 7-9 

 transmitters, 4 

 X-band transmission in ocean ducts 

 characteristics of ocean ducts, 39-43 

 effect of antemia height, 37-39, 44-45 

 effect of antenna location, 37-38 

 experimental procedure, 33-39 

 summary, 43-46 



