Vintorez, thank you for the advise!
I did a mistake somewhere, set the altitude as you wrote, set the speed, should I correct distance? I mean if the distance is 150 km, and target is on, say 18 km altitude, when she moves towards SNR (still searching for it), I should correct distance before start scanning, right? Anyway, this is what I do, and SR-71 from Tallin scenario just recorded my emitions and fly away with this priceless information!!! Other one is with damn Nonius - is it neccesary that? If I have the distance barely (say 5 km -Middle Nonius), and knew it is in the middle of my killing zone, I can fire, it is just to measure shooting and killing zone, it shouldn't have any effect on aquracy, right? When dealing with fast moover like SR-71, it is jumping up and down on Noniuses, and I can't lock them, often switching to more unaqurate Nonius.... Anyway, if Libya is only for Vega, I won't participate... At least I don't won't to kill my favorite airframes in US NAVY - "Tomcat" and A-7 "Corsair"!!!
