Seasonal Change of the Radar Detection Range in Osaka Bay
大阪湾におけるレーダ探知距離の季節による変化(日本航海学会第39回講演会)

H. Shinomiya, Y. Nishitani
1968 The Journal of the Nautical Society of Japan  
The daily and anual changes of the radar detection range were observed for more than a year fro 皿 1967 to 1968 1n spring and summer , for several hours past noon of fine days , the detection range usually ilcreases and super − refraction or duct condition is considered to occur , while , at midnight or in the early 皿 orning it decreases . In autumn and winter , few daily changes are feund and standard condition or slight sub − refraction is observed f〔)r all day long.
doi:10.9749/jina.40.0_119 fatcat:kq7k2hc755azzobpf5ukyx6fcy