12/14/2023 0 Comments Active radar reflectorPassive radar reflectors built to the current standard (few, if any, are available) are often too large to be practically fitted to smaller vessels and it is with this in mind that the MCA have issued their guidance. The ISO test standards, with which radar reflectors must comply, are ISO 8729-2:2009 (Active) and ISO 8729-1:2010 (Passive). Some passive radar reflectors also respond to both bands but with reduced performance on S Band. There are now radar target enhancers (RTE) available for recreational use that operate satisfactorily in both bands. X band radars are heavily affected by sea or rain clutter, whereas S band radar assures large target detection in adverse weather. Marine radars operate in two bands, the X band (9410 MHz ± 30 MHz) and the S band (3050 MHz ± 30 MHz). SOLAS V 19.2.1.7 requires vessels if less than 150 gross tonnage and if practicable, a radar reflector or other means, to enable detection by ships navigating by radar at both 9 and 3 GHz.Įssentially this means that if it is possible to use a radar reflector on your boat you should do so, but you should also be aware of the limitations of some of the radar reflectors currently available to you. In fact this is a requirement under the SOLAS V regulations: To maximise their visibility to ships navigating using radar as a primary means of identifying potential hazards, including collision situations, boats can be fitted with a radar reflector.
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