HPRF/MPRF & RWR Symbols
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@M79:
So if target don’t won’t go music of missile uses HOJ on terminal phase too or does it still switch to it’s own radar when it’s close enought to burn through jammer?
M79
In BMS the radars of the -120 and the adder (radar type 4&63 in the database) have a jamming penalty multiplier of 1 which means jamming is useless against them. As long as your jets radar burns through the jamming, you can fire and the missile will guide, jamming or not.
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- if jammer is on war and accidentally enabled = will break the link. Raptor
In bms sure you can, what I wrote is what I’ve heard about reality, again hesitant about sources an validity. Raptor
If that’s the case in real life, then Jammer only comes on when you are defensive and off when offensive. I can image the pilot: Jammer off, fire, pitbull, Jammer on. If engaging multiple bandits then Jammer will never come on even when outside of burn through range.
Thank you
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I am not an expert in jamming ops but IMO logic states that the jammer is not what we most think of as a magic tool that solves problems… It can very easily produce more problems than what is expected to solve, depending the situation(s), mission, specially when flying within larger friendly flights/packages.
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All this being said, what is the best way to utilize ECM in BMS?
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All this being said, what is the best way to utilize ECM in BMS?
ECM on when outside burnthrough range (i.e. 23nm’s vs an su-27), ECM off when inside.
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What about while ground pounding?
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What about while ground pounding?
Same basically, keep ECM off when inside burnthrough range of SAM’s. Although that is definitely a bad place to be.
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My question is does the AIM-120 even necessarily radiate at HPRF and MPRF for every shot? Maybe if still supported it skips HPRF and remains silent.
As far as BMS is concerned, if HPRF or MPRF are engaged, then the missile’s on board radar is active. HPRF will kick in at any time between the max HPRF range/time-of-flight-remaining and max MPRF range if the target geometry meets the criteria for HPRF activation (basically hot aspect, high closure rate) but HPRF is not used if MPRF kicks in first.
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So missile radiates as early as possible in whichever PRF is appropriate for the situation. It never suspends emission based on presence of uplink.
Interesting that in some cases MPRF range is longer than HPRF and thus skipped, didn’t know that.
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So missile radiates as early as possible in whichever PRF is appropriate for the situation.
Yes.
It never suspends emission based on presence of uplink.
Correct.
Interesting that in some cases MPRF range is longer than HPRF and thus skipped, didn’t know that.
Perhaps I didn’t explain it well. HPRF max is always more than MPRF max…but it is possible that the missile will reach MPRF range before geometry is favorable for HPRF in which case MPRF activates and HPRF never does even if the geometry then changes after MPRF activation to high aspect, high closure.