Retrieved 2012-03-01. "天津港 > 通信联络: 信号台". 海狮通. Retrieved 2012-03-12.[dead link] "航标". 天津地方志网. Retrieved 2012-03-01. "中国沿海RBN/DGPS台站及技术参数表". Ministry of Transport... 126 KB (12,760 words) - 03:14, 24 April 2024 |
March 2012. "天津港 > 通信联络: 信号台". 海狮通. Retrieved 12 March 2012.[dead link] "航标". 天津地方志网. Retrieved 1 March 2012. "中国沿海RBN/DGPS台站及技术参数表". Ministry of Transport... 96 KB (9,159 words) - 21:28, 10 February 2024 |