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Grahv Exitus
Minmatar
Noob Mercs
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Posted - 2008.10.04 03:20:00 -
[1]
I've done a bit of searching about this and so far this quote is about the only useful information I've found about my topic.
 Quote:
That's how hard a ship is to jam. Suppose I have a target jammer with 6 radar strength and I use it against your Omen. I have a 6/13 (46.15%) chance of jamming you.
What I'm asking is if that is true. If so, then my other question is that if I have a ship sensor strength of 77.8 and I encounter someone in a blackbird or other ECM ship and they miraculously have fitted nothing but the highest quality faction racial ECM and T2 signal distortion amps, about how safe should I be from getting jammed?
My ECM ship is the falcon:
[Falcon, New Setup 1]
Signal Distortion Amplifier II
Signal Distortion Amplifier II
Signal Distortion Amplifier II
Legion ECM White Noise Generator
Legion ECM White Noise Generator
Legion ECM White Noise Generator
Legion ECM White Noise Generator
Legion ECM White Noise Generator
Legion ECM White Noise Generator
Legion ECM White Noise Generator
[empty high slot]
[empty high slot]
[empty high slot]
[empty high slot]
Particle Dispersion Augmentor I
Particle Dispersion Augmentor I
All skills to lvl V.
This setup gives the falcon pilot a 15.08 Radar jam strength. If the above quote is true, this calculation should hold:
15.08 / 77.8 = 19.38% chance to get a successful jam per ECM module fitted.
Is this correct? If so, that doesn't really seem like a whole helluva lot to worry about to me. I fly a Blackbird when we need e-war during a corp op and I get jams quite often and I don't have anywhere near perfect ECM support skills, so which is it? Am I a lucky ECM user or is that quote (and my subsequent calculations) totally false?
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Helsir Qyrdun
The Forsakened Companions
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Posted - 2008.10.04 04:40:00 -
[2]
No.
It's your target's sensor strength that matters.
So if they are under 15.08 then you will always jam them. If they are over then it will be a percentage. The equation for an individual jammer is:
Your Jammer's Strength / Target's Sensor Strength
So:
15.08 / 20.32 = 75% chance to jam.
I think for the amalgamated chance of multiple jammers on a target it's some other crazy math that doesn't really matter. |
Grahv Exitus
Minmatar
Noob Mercs
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Posted - 2008.10.04 05:22:00 -
[3]
That's what I meant, sorry if my post was confusing. 9 month old daughters tend to make you lose sleep causing your brain to get all fuzzy. 
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Terianna Eri
Amarr
Scrutari
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Posted - 2008.10.04 05:30:00 -
[4]
Originally by: Helsir Qyrdun
I think for the amalgamated chance of multiple jammers on a target it's some other crazy math that doesn't really matter.
Jam chance for multiple identical jammers on a single target:
JS = Jam strength
SS = sensor strength
N = number of jammers used
Chance to jam - - - - - - - - - - - - - - = JS/SS
Chance to not jam - - - - - - - - - - - - = 1-[JS/SS]
Chance of all jammers failing - - - - - - = (1-[JS/SS])^N
Chance of at least one jammer working - - = 1-(1-[JS/SS])^N |
Jethro Jechonias
Ki Tech Industries
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Posted - 2008.10.04 05:34:00 -
[5]
Originally by: Grahv Exitus
15.08 / 77.8 = 19.38% chance to get a successful jam per ECM module fitted.
Looking at EFT, I couldn't find anyway of getting a jamming strength higher than 15.08529, so it looks like your calculation is correct. Originally by: Grahv Exitus
If so, that doesn't really seem like a whole helluva lot to worry about to me.
That depends on which side of the ECM you are on. With 7 ECM (your sample setup) on you and there is a 77.87% chance that you will be jammed. There is less than 5% chance that you will escape unjammed for two cycles, so you better hope that you can get a lock and kill him fast.
There is no effective stacking penalty when using multiple ECM modules, so each one will increase the chance that you will be jammed by the same amount.
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Terianna Eri
Amarr
Scrutari
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Posted - 2008.10.04 05:34:00 -
[6]
Originally by: Grahv Exitus
Edited by: Grahv Exitus on 04/10/2008 05:26:57
That's what I meant, sorry if my post was confusing.
If I was in the ship with a radar sensor strength of 77.8 and encountered someone else in the falcon fit I posted above, I'd be relatively safe, correct?
No, if you're the only person he has to jam, you're pretty much screwed.
Your chance of retaining lock after he hits you with all 7 jammers is:
(1 - (15.08 / 77.8))^7 = 0.221301913 , which is not very high, and does not account for the fact that you will also lose time due to relocking (which will be significant, as you are probably in a BS and therefore likely do not have the slots to fit that many ECCM and sensor boosters to relock faster) |
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