Spent the past 2 hours researching WWII radar capabilities

While the 20 mile dar rings are a pain in the butt, Hitech is being generous by ONLY implimenting 20 miles as by late war the ranges were from 200 - 300 miles. Could you imagine what that map would look like

However, altitude detection......I was only able to find facts from 1939 - 1942 (early war). In which it clearly stated ground based radar minimum alt detection was 200 - 250 feet. Sea based dar........you figure it out, if they can pick up the conning tower of a sub......
Between 1940 - 1945 there was one heck of a "Radar" advancment war going on behind the scenes. While the axis powers continuously lost ground, both US & Britain took the lead and developed dar. I finally gave up on finding late war minimum alt detection specs, but with the radar race in full swing during 42 - 45 I can only assume to 200 to 250 deck dramatically dropped by wars end too.
That being said, I agree, the 65 foot ceiling is rather low and I'd like to see a happy meduim. Dar rings don't bother me, if they get in the way.........."Go Kill Em"

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Rokit