Center Frequency,Ambient Start,75 m,85 m,Ambient End,,1/3 Octave Band,Front Leq (dB re 20 _Pa),Rear SPL (dB re 20 _Pa),,1/3 Octave Band,Front Leq (dB re 20 _Pa),Rear SPL (dB re 20 _Pa)
20,26.125,27.763,27.205,27.125,,20,21.627,22.293,,20,25.132,27.467
25,27.083,27.537,27.383,28.083,,25,24.645,23.153,,25,27.546,27.247
31.5,26.439,27.254,27.6,27.439,,31.5,24.786,24.136,,31.5,28.69,26.061
40,26.21,25.756,24.856,27.21,,40,27.53,26.18,,40,31.628,27.755
50,22.45,22.654,21.469,23.45,,50,27.612,27.146,,50,30.808,25.048
63,22.047,21.928,20.836,23.047,,63,27.727,28.271,,63,31.358,23.433
80,19.496,18.935,19.474,20.496,,80,28.561,28.518,,80,31.242,24.302
100,15.377,15.767,17.308,16.377,,100,29.04,28.264,,100,31.338,31.787
125,13.397,14.171,15.176,14.397,,125,28.11,27.611,,125,30.583,28.919
160,10.113,12.265,12.657,11.113,,160,28.852,33.286,,160,34.053,25.005
200,8.679,9.701,11.546,9.679,,200,37.784,45.905,,200,46.211,30.622
250,8.495,9.278,10.208,9.495,,250,25.287,27.074,,250,29.809,26.168
315,8.15,8.917,10.039,9.15,,315,41.505,43.361,,315,34.576,31.176
400,8.01,8.858,9.496,9.01,,400,54.9,57.005,,400,47.421,40.452
500,8.047,8.888,9.638,9.047,,500,31.847,34.017,,500,27.394,24.952
630,8.54,9.221,10.174,9.54,,630,34.643,37.32,,630,30.836,28.7
800,8.386,9.103,10.17,9.386,,800,47.909,50.922,,800,40.611,39.577
1000,8.517,9.002,10.203,9.517,,1000,43.21,43.119,,1000,41.849,42.212
1250,7.719,8.59,9.596,8.719,,1250,45.79,46.299,,1250,42.711,43.461
1600,6.975,7.808,8.811,7.975,,1600,36.757,35.629,,1600,39.058,43.191
2000,6.591,7.479,8.382,7.591,,2000,41.268,39.851,,2000,40.618,42.349
2500,7.166,7.296,8.34,8.166,,2500,39.681,41.682,,2500,41.168,46.532
3150,7.59,7.109,8.502,8.59,,3150,37.007,37.678,,3150,41.358,42.536
4000,7.725,7.595,8.683,8.725,,4000,36.399,37.309,,4000,40.735,43.761
5000,7.799,7.809,9.062,8.799,,5000,36.704,39.546,,5000,41.299,43.919
6300,7.741,7.728,9.113,8.741,,6300,37.133,38.971,,6300,42.018,44.457
8000,7.036,6.971,8.278,8.036,,8000,34.614,37.825,,8000,39.496,41.943
10000,5.791,5.738,7.151,6.791,,10000,32.714,35.484,,10000,37.477,39.572
12500,3.229,3.14,4.522,4.229,,12500,27.222,30.974,,12500,31.096,33.685
16000,1.086,1.394,0.31,2,,16000,19.022,22.584,,16000,22.836,25.097
20000,0.45,0.5,0.45,1.1,,20000,8.16,11.741,,20000,11.911,13.907