船用雷达 操作手册_4.pdf

附录 VHW - Water speed and heading $--VHW,x.x,T,x.x,M,x.x,N,x.x,K*hhCRLF | | | | | | | | | | | | | | | | | + 5 | | | | | | +--+ 4 | | | | +--+ 3 | | ++ 2 ++ 1 1. Heading, degrees true 2. Heading, degrees magnetic 3. Speed, knots 4. Speed, km/h 5. Checksum VDR - Set and drift $--VDR,x.x,T,x.x,M,x.x,N*hhCRLF | | | | | | | | | | | | | + 4 | | | | +--+ 3 | | +--+ 2 +--+ 1 1. Direction, degrees true 2. Direction, degrees magnetic 3. Current speed, knots 4. Checksum AP-18 附录 VTG - Course over ground and ground speed VWR - Relative (Apparent) wind speed and angle $--VWR,x.x,a,x.x,N,x.x,M,x.x,K*hhCRLF | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | + 5 | | | | | ++ 4 | | | ++ 3 | +--+ 2 + 1 1. Measured wind angle relative to the vessel, 0 to 180°, left/right L/R of vessel heading 2. Measured wind speed, knots 3. Wind speed, meters/second 4. Wind speed, Km/Hr 5. Checksum AP-19 附录 VWT - True wind speed and angle $--VWT,x.x,a,x.x,N,x.x,M,x.x,K*hhCRLF