British Ordnance Collectors Network
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25pr shell
- Thread starter 2pounder
- Start date
Eggburt1969
Well-Known Member
Any one seen one of these or even got one?
The bases are modified so they frequency modulate the reflected radar signal from a Doppler radar system. Analysis of the signal's modulation harmonics allows the projectile spin rate to be measured down range. Used to do that sort of thing where I used to work.
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