Dar settins are quite disappointing for me, to say the least.
IN TOWER
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If you are in tower, NO radar indication should be given about NOE flying planes, whether dot or activity bar. If you are flying NOE, dot should be evident, however, when VERY close to the target, say 1/2 miles away.
Bar counters are the worst killers of strat in this sim/game. Bar counters should give away enemies rough position ONLY over friendly territory. That's all.
IN-FLIGHT
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No radar dots at all. I would go also for getting rid of your own plane's position. I would conserve, however, bar counters (with the settings as per above) give an idea how the fite is going.
With these settings, NOE missions would have a meaning, Buff raids would have a chance, even unescorted, and the average furballer would still be able to attend to a furball-next-to-you.
Cheers,
Pepe