close to a leap-second event. "National Time Service Center: Facilities". "短波授时台". National Time Service Center. Archived from the original on 2015-04-10...
8 KB (395 words) - 19:21, 4 November 2023
modulation. The data signal is conveyed by phase-modulation of the carrier "短波授时 (Shortwave time signal)". National Time Service Center, Chinese Academy...
48 KB (2,959 words) - 13:58, 14 June 2024
Oceanic Fisheries Safety Network Tianjin Shortwave Station (全国海洋渔业安全通信网 天津短波岸台) HF Radiotelephony (J3E) 117°47'15" E / 38°58'33" N Call Shore Transmits...
96 KB (9,159 words) - 21:28, 10 February 2024