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四川省国产模拟微波干线分为川北干线 2跳 3站 ,川西南干线 7跳 8站 ,共计 76 0公里 ,工作频率 :1 4ＧＨｚ,由桂林 6 11厂生产 ,省财政建成于 2 0世纪九十年代初。其中川西南干线穿越平均海拔 30 0 0多米的大小凉山 ,地理气象条件均相当恶劣 ,途经西昌市和攀枝花市两个四川省重
The Sichuan-made domestic analogue microwave trunk lines are divided into 2 stations and 3 stations in north Sichuan trunk line and 7 to 8 stations in southwest Sichuan trunk line with a total of 76 0 kilometers. The working frequency is 14 GHz and produced by Guilin 6 11 plant. Early years. Among them, the southwestern Sichuan trunk line passes through Liangshan with an average altitude of 300 meters above sea level. The geographical and meteorological conditions are rather poor. It passes through two Sichuan provinces, namely Xichang and Panzhihua,