Bgile wrote:...I'd add that a long range radar needs high power. Even with optimum antenna and all the other factors, you still need high power to get the pulse out there a hundred miles or in some cases much more, and get it's reflection back at a detectable strength. Air search radars are always also high power output radars. Surface search range is horizon limited, so power isn't as important.
Dave Saxton wrote:Hi dunmunro,
It's very difficult to find good information on those radars that is also based on solid sources. I tend to have little faith in internet sourced material as well. A good study could be done, but it hasn't been done that I'm aware of. It should be done. From the few words given by a few trusted scholars, the RCN radars were given the code name Night Watchman, and would appear to be rather similar to the USN 1.5 meter equipment. Often superficial examination can be very misleading though. One source mentioned that they used commercially available componants, but so did the CXAM.
Commonwealth nations came up with some rather good radars on their own. Australia came up the portable LW/AW (light weight air warning) 1.5 meter radar that proved very handy in the Pacific, especially where the US Army SCR268 was unavailable or too heavy to move to a remote location. South Africa produced the JB air warning radar working on 3.5 meters.
dunmunro wrote:Well the early RCN radars were not that great, but the amazing thing is that Canada was deploying indigenously designed and built naval radars in fair numbers prior to Pearl Harbour, at a time when radar was rare, even in the USN. Here's a website with a fair bit of info on early RCN radar:
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