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Why Do Ships Use Different Radars? X-Band vs S-Band Explained
Why do ships have two radars? Ship radar systems on large merchant ships usually include an X-band radar and an S-band radar. X-band radar works at 9 GHz (3 cm wavelength) and S-band radar works at 3 GHz (10 cm wavelength). The difference between X-band and S-band radar affects radar resolution, radar beam width, small target detection, rain clutter and sea clutter. How does ship radar work? Marine navigation radar sends a pulse, receives the echo and shows range and bearing on the radar display. X-band radar vs S-band radar: X-band gives a sharper radar picture and better detection of small targets, buoys and coastline. S-band radar performs better in heavy rain and rough seas with less rain clutter and sea clutter. Only X-band radar triggers a radar SART (search and rescue transponder). SOLAS radar requirements: X-band radar on ships of 300 GT and passenger ships, a second radar (normally S-band) on ships of 3,000 GT and above. This video is for entertainment purposes only. #marineradar #xbandradar #sbandradar
