which statement is false regarding the transmission of maritime safety information ?
发布于 2021-04-23 21:30:15
【单选题】 A 518 KHz and 490 KHz frequencies are used in NAVTEX service B In the China coastal waters, 490KHz are used in NAVTEX service C 4209.5KHz and 490KHz are NAVTEX frequencies D 2174.5KHz and 8376.5KHz are not used in NAVTEX service
