Quote:
Originally Posted by Hitman
Scurvy I just remembered that according to Nisgeis the game will not load any unit that is more than 40km away from you (And consequently will not show them in the radar screen). For that reason I modified the scales in my radar mod and gave them a maximum of 40000 metres (~40400 yards) because I could have increased precision in the scale as it is smaller than a 60.000 one.
Just in case you find it useful 
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It occurs to me that the 80000 yard setting on the radar is wishful thinking at best, regardless of game engine limits.
According to this radar/visual horizon calculator (
http://radarproblems.com/calculators/horizon.htm), the radar horizon for a notional submarine radar is only about 26 km.
That's assuming a 10 m antenna height and a target at least 10 m off the water. Reduce either number and the maximum range shrinks further.
Furuno USA, a maritime radar manufacturer, puts the radar horzion at around 6% greater than the visual horizon (
http://www.furunousa.com/LearningCen...alculator.aspx). Using the above assumptions, their calculator generates a result of 13 nautical miles or 24 km.
The numbers can vary a lot, depending on the assumptions used - antenna height, radar wavelength, sea state, atmospheric absorption model, and so on.
Given those numbers, it seems reasonable to pin our fleet boat radar's maximum detection range at no more than 25-30 km.
Displaying "only" a 40 km radius is therefore more than sufficient.