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Welcome! Please use the yellow-marked cells to change the results of the calculator.
If you want to play around with the radar or ewar base stats, you can make a copy of this spreadsheet.
If someone is currently using this calculator, fear not, there is another subsheet you can use.

Please note, the signature of your ships listed in the Fleet Editor is the biggest signature the ship can output.
But in real battle conditions, the signature might be lower, depending on the angle the radar waves hit your ship.
There are visualizations of signature-by-angle for each hull that you can find on the unofficial wiki if you're curious.
http://nebfltcom.wikidot.com
Ship Signatures
(at worst angle, can be as low as half of this)
KV = 2890 SH = 2890
FF = 3780 TB = 4680
DD = 6280 MN = 9870
LC = 11730 CVL = 14182
HC = 14330 CC = 15740
CVE = 16516 LN = 31200
BB = 27880 CV = 31200
Made by NotSoLoneWolf with thanks to Alias72 and D0d0 for inspiration and bugfinding.
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RANGESIGNATUREADAPTIVESAmbient Noise
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9500416111.00Craft Signatures
(the game displays these as divided by 10)
Tanto = 1764 - 1932
Claymore = 1806 - 2337
Sundial = 8100 - 9900
Halberd = 8100 - 9900
Pike = 484 - 524
Barracuda = 3306 - 4025
Sturgeon = 6006 - 6975
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EWAR TYPESRadiated PowerGainFRIENDLY
EWAR
ENEMY
EWAR
Illuminator
Power
Jammer
Raw Noise
This calculator assumes illuminators are fired from the detector and jammers are fired from the target - or at least by ships close by. If there is another group of ships illuminating or jamming at an offset angle, results will be less accurate.To detect a track, the Returned Power must be above the Received Noise and the Signal Loss must be greater than the Sensitivity of the radar.
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Floodlight3250400-0.00-Jamming
Final Noise
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Spotlight1000600-0.00-0.18
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Blanket120-1-0.18To ping a track with a burnthrough the requirements are the same as spotting the target, except the Radars' Returned Power is multiplied by the Burnthrough Multiplier.
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Lighthouse90050-0.00-Combined
Illuminator Power
Be aware the final noise after diminishing
returns is accurate when there is only
one type of jammer in play, but should
only be considered an estimate when
using multiple types of jammers.
Missile Signatures
(Headon - Broadside)
S1 = 156 - 400
S2 = 625 - 950
S3 = 900 - 2400
S2H = 625 - 950
S3H = 1600 - 3600
CM4 = 1600 - 4000
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Bellbird1.2520-0-0.000.00
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Lyrebird102-0-0.00In order to lock a target and maintain the lock, the Signal-to-Noise ratio must be greater than the Lock Requirement.
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SSJ52-0-0.00
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BSSJ54-0-0.00
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Tanto Jampod0.530--0.00
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Cuda Jampod0.420-0-0.00
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RADAR TYPESRadiated PowerGainApertureMax RangeSensitivity
(Base)
Sensitivity
(Final)
Burnthrough
Multiplier
Lock
Requirement
Received NoiseSpotted?Pinged?Locked?Radar
Impact Power
Radar
Returned Power
Illuminator
Returned Power
Total
Returned Power
Signal Loss
(Track)
Signal Loss
(Burnthrough)
Signal-to-Noise
(Track)
Signal-to-Noise
(Locking)
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Frontline350040258000-36.00-45.008-6.86Not Enough RangeNot Enough Range-1,234.440.450.000.45-43.44-34.41-11.80-
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Parallax410050309500-38.50-48.13123.008.36Not Enough PowerPINGEDNot Enough Power1,807.580.990.000.99-40.02-29.23-9.24-9.24
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Spyglass4500604011500-38.50-48.13--9.86Not Enough Power--2,380.712.100.002.10-36.79--6.72-
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Bridgemaster310040608500-34.00-42.50--6.86Not Enough Range--1,093.360.960.000.96-40.16--8.52-
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Huntress4000406010000-38.00-47.504-6.86Not Enough PowerNot Enough Power-1,410.791.240.001.24-39.06-33.04-7.42-
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Bullseye150080209000----10.0012.86--Not Enough Range1,058.090.620.000.62-42.07--13.16-13.16
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Pinpoint150060406500----10.009.86--Not Enough Range793.570.700.000.70-41.56--11.49-11.49
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Defender&Pavisse FCR8004532500---0.257.61--Not Enough Range317.430.020.000.02-58.03--26.85-26.85
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Aurora FCR75040103250---0.056.86--Not Enough Range264.520.040.000.04-54.11--22.47-22.47
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Sarissa FCR150080208000---0.0512.86--Not Enough Range1,058.090.620.000.62-42.07--13.16-13.16
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R550 EWR35005025018000-36.00-45.00--8.36Not Enough Power--1,543.057.080.007.08-31.50--0.72-
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R400 LRT50007010014000-40.00-50.00--11.36Not Enough Power--3,086.117.930.007.93-31.01--1.56-
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Fighter75030153000--35.00-0.015.35Not Enough Range-Not Enough Range198.390.030.000.03-54.85--22.13-22.13
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Skiff75030154000--35.00-0.055.35Not Enough Range-Not Enough Range198.390.030.000.03-54.85--22.13-22.13
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Bomber75060204000--35.00-0.059.86Not Enough Range--396.790.170.000.17-47.58--17.51-17.51
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Skiff (Advanced)75090408000--37.00--14.36Not Enough Range--595.180.790.000.79-41.05--12.62-
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SEWAC7501008010000--39.00--15.86Not Enough Power--661.311.940.001.94-37.12--9.12-
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Missile ACT15025252000--36.00--4.60Not Enough Range--33.070.010.000.01-61.20--27.83-
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Missile SAH030252000--36.00--5.35Not Enough Range--0.000.000.000.00#NUM!-#NUM!-
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Jamming Power Falloff from 1st to 6th:100%187%245%275%287%290%
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