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donut · 06-07-07, 06:52 AM

I kinda like the blue bearing index,although I do not recall prominent range rings on surface search. That accurate ranging was for gun fire control radar. Similar to the SHIV spike trace radar scope,(your other scope), not PPI. PPI was just for how many targets/bearing. The other scope is for more accurate ranging,more directional,for better return signal definition,than sweep. You are taking me back nearly 40 years,recall fades some.:hmm: You-

! The SD radar was the oldest surface search,it had the line trace,w/target size indicated by spike on trace line. I think originally the Devs. were going to use that for aircraft only.

06-07-07, 06:52 AM	#217
donut The Old Man Join Date: Apr 2004 Location: The Shifting, Whispering Sands, NM Posts: 1,463 Downloads: 10 Uploads: 0	@ DarkShip I kinda like the blue bearing index,although I do not recall prominent range rings on surface search. That accurate ranging was for gun fire control radar. Similar to the SHIV spike trace radar scope,(your other scope), not PPI. PPI was just for how many targets/bearing. The other scope is for more accurate ranging,more directional,for better return signal definition,than sweep. You are taking me back nearly 40 years,recall fades some.:hmm: You- ! The SD radar was the oldest surface search,it had the line trace,w/target size indicated by spike on trace line. I think originally the Devs. were going to use that for aircraft only. Last edited by donut; 06-07-07 at 07:21 AM.