On Thu, 9 Apr 2015 11:59:38 +0100, "Robin" wrote:
wrote:
Hasn't radar been around for oh , 70 years or so? And how do they
cope in the dark?
Just think of the the fuss there'd be if a ferry rolled over a
canoe/kayak in the fog. Radar doesn't show such things.
https://mcanet.mcga.gov.uk/public/c4/solasv/index.html
Regulation 19
2.1 All ships irrespective of size shall have:
2.1.7 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;
--
jhk