I had an Idea after I wrote that long IF-THEN post with some other comments a while back in this thread. In that comment, I touched on the subject that it is unfortunate that DECM systems doesn't work in the same way as OECM systems, in other words like a jammer capable of jamming one or perhaps a couple of emitters (Depending primarily on how modern the DECM system is but also on crew size and thus pilot load, where a two person crew, one of them being a WSO/CSO/RIO might be able to jam more emitters) with a low jamming power that just might break lock for SARH SAMs in the same way a OECM system on an aircraft X is able to do so if turned on when a hostile fighter Y, using it's onboard radar for illumination, has just launched a SARH AAM at aircraft X just after the radar has gotten within range to be able to successfully lluminate the target.
I understand this would take a lot of developmental resources to implement though, but I have an idea that might be much easier to implement. In the missile endgame calculations, an aircraft that has a DECM system automatically lowers the chance of a missile hitting the aircraft, how much depending on the difference in "tech level" between the DECM system and the SARH seeker. Let's say a very modern DECM system is coming up against an old SARH SAM system, which would probably give the missile a 35 % penalty to it's chance to hit.
But what if that calculation was performed not in the endgame, but instead a few seconds after the launch has been noticed by the targeted aircraft and the pilot/WSO activates the DECM system (Here the already implemented concept of the OODA loop for automatic missile evasion might come in handy)?
So, if the penalty to the missile hitting would be 35 %, a "roll of the dice" would then happen when the DECM system is "activated" and if it comes up 35 or lower, the DECM system/self protection jammer is considered to have broken lock and the launched missile will disappear in 1-2 seconds, which represents the missile veering strongly off course.
How to do with ARH missiles dependant on mid-point updates is another thing, but I have some ideas there too, but let's leave that aside for now.
I don't know if this idea alone will solve the problem DWReese has brought to our attention, but together with a doctrinal choice to primarily dive and run from a missile while taking evasive action only at the last second if the missile comes very close to the aircraft (Whatever that means), it might make old SAM systems at least less likely to become these "fly traps" because when lock is breaked, the aircraft is already running away instead of beaming and keeping a constant distance to the SAM system.
Also, this seems like something that could be implemented relatively easily (Please notice that I said relatively ).
Also, this is just a guess on my part and I do not in any way claim any definitive knowledge here, but it seems like very modern DECM systems, like late 2010 ones gives too small a penalty to a missile, equipped with a very early seeker, chance's to hit. ECCM was, as I understand it, almost an unknown concept, at least in field use, in the 1960s, since ECM was just starting to appear.
To exemplify, when a F/A-18E with a AN/ALQ-214(V)4 self protection jammer is being attacked by a SA-3b missile with an early 1960s SARH seeker, I would guess that the penalty should be more than the present 35 %, which I think is the most severe penalty I have noticed in game. I have gotten the impression that jamming systems of late has become much more effective, because of what I guess is an exponential increase in computational power and cumulative advances in solid state electronic performance in general. Of course, this is not something I as a civilian can find any hard data on.
With an even bigger chance of breaking lock with a state of the art jammer vs an old seeker the solution outlined above would become even more effective.
Can anybody with some specialist knowledge on this give any comment, without saying too much? Maybe c3k for instance, your input and opinion would be very much appreciated.