Dataseries 1
Above an absorptive ground (corrected 2D)
Frequency, Hz -  10log_1_0 \sigma, dB
1.5300e+02  -3.5382e+01  
1.5800e+02  -3.1005e+01  
1.6300e+02  -2.7233e+01  
1.6800e+02  -2.5627e+01  
1.7300e+02  -2.3727e+01  
1.7800e+02  -2.2021e+01  
1.8300e+02  -2.1056e+01  
1.8800e+02  -2.0026e+01  
1.9300e+02  -1.8765e+01  
1.9800e+02  -1.7873e+01  
2.0300e+02  -1.7272e+01  
2.0800e+02  -1.6455e+01  
2.1300e+02  -1.5521e+01  
2.1800e+02  -1.4921e+01  
2.2300e+02  -1.4442e+01  
2.2800e+02  -1.3791e+01  
2.3300e+02  -1.3063e+01  
2.3800e+02  -1.2548e+01  
2.4300e+02  -1.2169e+01  
2.4800e+02  -1.1656e+01  
2.5300e+02  -1.1039e+01  
2.5800e+02  -1.0581e+01  
2.6300e+02  -1.0260e+01  
2.6800e+02  -9.8590e+00  
2.7300e+02  -9.3442e+00  
2.7800e+02  -8.9110e+00  
2.8300e+02  -8.6201e+00  
2.8684e+02  -8.3983e+00  
3.1916e+02  -6.1852e+00  
3.5149e+02  -4.6496e+00  
3.8382e+02  -3.2418e+00  
4.1614e+02  -2.2318e+00  
4.4847e+02  -1.5958e+00  
4.8079e+02  -9.9076e-01  
5.1830e+02  -4.7154e-01  
5.5581e+02  -4.2364e-01  
5.9332e+02  -8.4638e-02  
6.3083e+02  -3.2695e-02  
6.6834e+02  -2.3650e-01  
7.0585e+02  -1.0951e-01  
7.4807e+02  -2.1774e-01  
7.9029e+02  -4.0959e-01  
8.3251e+02  -3.1144e-01  
8.7473e+02  -5.6505e-01  
9.1695e+02  -6.2131e-01  
9.5917e+02  -6.3084e-01  
1.0060e+03  -8.9322e-01  
1.0528e+03  -8.4020e-01  
1.0997e+03  -1.1047e+00  
1.1465e+03  -1.1464e+00  
1.1934e+03  -1.3490e+00  
1.2402e+03  -1.5677e+00  
1.2914e+03  -1.7653e+00  
1.3426e+03  -2.1703e+00  
1.3938e+03  -2.4489e+00  
1.4451e+03  -2.9947e+00  
1.4963e+03  -3.3913e+00  
1.5475e+03  -4.0165e+00  
1.6024e+03  -4.5817e+00  
1.6574e+03  -5.2462e+00  
1.7123e+03  -5.8236e+00  
1.7672e+03  -6.3041e+00  
1.8222e+03  -6.6254e+00  
1.8771e+03  -6.6776e+00  
1.9346e+03  -6.5072e+00  
1.9921e+03  -6.1350e+00  
2.0496e+03  -5.7203e+00  
2.1070e+03  -5.3641e+00  
2.1645e+03  -5.1004e+00  
2.2220e+03  -4.9228e+00  
2.2799e+03  -4.8030e+00  
2.3379e+03  -4.7006e+00  
2.3958e+03  -4.6105e+00  
2.4537e+03  -4.5100e+00  
2.5117e+03  -4.4177e+00  
2.5696e+03  -4.3168e+00  
2.6247e+03  -4.2102e+00  
2.6798e+03  -4.1184e+00  
2.7349e+03  -4.0198e+00  
2.7901e+03  -3.9137e+00  
2.8452e+03  -3.8384e+00  
2.9003e+03  -3.7222e+00  
2.9495e+03  -3.6643e+00  
2.9987e+03  -3.5635e+00  
3.0479e+03  -3.4969e+00  
3.0972e+03  -3.3942e+00  
3.1464e+03  -3.3208e+00  
3.1956e+03  -3.2112e+00  
3.2389e+03  -3.1605e+00  
3.2822e+03  -3.0531e+00  
3.3255e+03  -3.0504e+00  
3.3688e+03  -2.9748e+00  
3.4121e+03  -3.0129e+00  
3.4554e+03  -3.0042e+00  
3.4950e+03  -3.0329e+00  
3.5346e+03  -3.1069e+00  
3.5743e+03  -3.1025e+00  
3.6139e+03  -3.2057e+00  
3.6535e+03  -3.2615e+00  
3.6931e+03  -3.2781e+00  
3.7310e+03  -3.4142e+00  
3.7688e+03  -3.4448e+00  
3.8067e+03  -3.4843e+00  
3.8446e+03  -3.6381e+00  
3.8824e+03  -3.6542e+00  
3.9203e+03  -3.7243e+00  
3.9575e+03  -3.8860e+00  
3.9947e+03  -3.8934e+00  
4.0318e+03  -3.9837e+00  
4.0690e+03  -4.1533e+00  
4.1062e+03  -4.1601e+00  
4.1434e+03  -4.2620e+00  
4.1805e+03  -4.4309e+00  
4.2175e+03  -4.4297e+00  
4.2546e+03  -4.5235e+00  
4.2917e+03  -4.6661e+00  
4.3287e+03  -4.6395e+00  
4.3658e+03  -4.6903e+00  
4.4031e+03  -4.7769e+00  
4.4404e+03  -4.6967e+00  
4.4776e+03  -4.6712e+00  
4.5149e+03  -4.6801e+00  
4.5522e+03  -4.5333e+00  
4.5895e+03  -4.4285e+00  
4.6272e+03  -4.3735e+00  
4.6649e+03  -4.1726e+00  
4.7026e+03  -4.0285e+00  
4.7402e+03  -3.9394e+00  
4.7779e+03  -3.7222e+00  
4.8156e+03  -3.5783e+00  
4.8538e+03  -3.4882e+00  
4.8920e+03  -3.2735e+00  
4.9303e+03  -3.1578e+00  
4.9685e+03  -3.0865e+00  
5.0067e+03  -2.8878e+00  
5.0449e+03  -2.8117e+00  
5.0837e+03  -2.7654e+00  
5.1225e+03  -2.5782e+00  
5.1613e+03  -2.5547e+00  
5.2000e+03  -2.5236e+00  
5.2388e+03  -2.3545e+00  
5.2776e+03  -2.3777e+00  
5.3171e+03  -2.3582e+00  
5.3565e+03  -2.2084e+00  
5.3960e+03  -2.3635e+00  
5.4355e+03  -2.2702e+00  
5.4749e+03  -2.1346e+00  
5.5144e+03  -2.2323e+00  
5.5545e+03  -2.1932e+00  
5.5947e+03  -2.1127e+00  
5.6349e+03  -2.2228e+00  
5.6750e+03  -2.1233e+00  
5.7151e+03  -2.1268e+00  
5.7553e+03  -2.2091e+00  

Dataseries 2
On an absorptive ground (corrected 2D)
Frequency, Hz -  10log_1_0 \sigma, dB
1.5300e+02  -3.5209e+01  
1.5800e+02  -2.9333e+01  
1.6300e+02  -2.6505e+01  
1.6800e+02  -2.4145e+01  
1.7300e+02  -2.2621e+01  
1.7800e+02  -2.0883e+01  
1.8300e+02  -1.9889e+01  
1.8800e+02  -1.8633e+01  
1.9300e+02  -1.7575e+01  
1.9800e+02  -1.6851e+01  
2.0300e+02  -1.5819e+01  
2.0800e+02  -1.5074e+01  
2.1300e+02  -1.4468e+01  
2.1800e+02  -1.3605e+01  
2.2300e+02  -1.3008e+01  
2.2800e+02  -1.2496e+01  
2.3300e+02  -1.1759e+01  
2.3800e+02  -1.1235e+01  
2.4300e+02  -1.0801e+01  
2.4800e+02  -1.0173e+01  
2.5300e+02  -9.6859e+00  
2.5800e+02  -9.3144e+00  
2.6300e+02  -8.7648e+00  
2.6800e+02  -8.2798e+00  
2.7300e+02  -7.9670e+00  
2.7800e+02  -7.5252e+00  
2.8300e+02  -7.0752e+00  
2.8684e+02  -6.8466e+00  
3.1916e+02  -4.7083e+00  
3.5149e+02  -3.0874e+00  
3.8382e+02  -1.7817e+00  
4.1614e+02  -8.6048e-01  
4.4847e+02  -3.9482e-01  
4.8079e+02  8.9832e-02  
5.1830e+02  3.4227e-01  
5.5581e+02  2.8856e-01  
5.9332e+02  5.2309e-01  
6.3083e+02  3.6230e-01  
6.6834e+02  1.1993e-01  
7.0585e+02  1.7451e-01  
7.4807e+02  -8.7739e-02  
7.9029e+02  -2.9235e-01  
8.3251e+02  -3.0398e-01  
8.7473e+02  -6.4442e-01  
9.1695e+02  -7.3812e-01  
9.5917e+02  -8.7512e-01  
1.0060e+03  -1.2079e+00  
1.0528e+03  -1.2720e+00  
1.0997e+03  -1.6361e+00  
1.1465e+03  -1.7914e+00  
1.1934e+03  -2.0705e+00  
1.2402e+03  -2.3815e+00  
1.2914e+03  -2.6217e+00  
1.3426e+03  -3.0531e+00  
1.3938e+03  -3.3199e+00  
1.4451e+03  -3.8132e+00  
1.4963e+03  -4.1341e+00  
1.5475e+03  -4.6661e+00  
1.6024e+03  -5.0906e+00  
1.6574e+03  -5.6783e+00  
1.7123e+03  -6.1422e+00  
1.7672e+03  -6.6898e+00  
1.8222e+03  -7.1130e+00  
1.8771e+03  -7.5105e+00  
1.9346e+03  -7.7728e+00  
1.9921e+03  -7.9022e+00  
2.0496e+03  -7.8648e+00  
2.1070e+03  -7.6700e+00  
2.1645e+03  -7.3565e+00  
2.2220e+03  -6.9572e+00  
2.2799e+03  -6.5267e+00  
2.3379e+03  -6.0871e+00  
2.3958e+03  -5.6799e+00  
2.4537e+03  -5.3018e+00  
2.5117e+03  -4.9785e+00  
2.5696e+03  -4.6929e+00  
2.6247e+03  -4.4575e+00  
2.6798e+03  -4.2585e+00  
2.7349e+03  -4.0782e+00  
2.7901e+03  -3.9254e+00  
2.8452e+03  -3.7903e+00  
2.9003e+03  -3.6694e+00  
2.9495e+03  -3.5783e+00  
2.9987e+03  -3.4969e+00  
3.0479e+03  -3.4285e+00  
3.0972e+03  -3.3686e+00  
3.1464e+03  -3.3273e+00  
3.1956e+03  -3.2864e+00  
3.2389e+03  -3.2790e+00  
3.2822e+03  -3.2578e+00  
3.3255e+03  -3.2753e+00  
3.3688e+03  -3.2901e+00  
3.4121e+03  -3.3320e+00  
3.4554e+03  -3.4018e+00  
3.4950e+03  -3.4698e+00  
3.5346e+03  -3.5773e+00  
3.5743e+03  -3.6815e+00  
3.6139e+03  -3.8007e+00  
3.6535e+03  -3.9319e+00  
3.6931e+03  -4.0506e+00  
3.7310e+03  -4.1703e+00  
3.7688e+03  -4.2783e+00  
3.8067e+03  -4.3902e+00  
3.8446e+03  -4.4965e+00  
3.8824e+03  -4.5519e+00  
3.9203e+03  -4.6980e+00  
3.9575e+03  -4.8030e+00  
3.9947e+03  -4.7496e+00  
4.0318e+03  -4.9404e+00  
4.0690e+03  -5.0696e+00  
4.1062e+03  -5.0836e+00  
4.1434e+03  -5.1613e+00  
4.1805e+03  -5.3003e+00  
4.2175e+03  -5.3655e+00  
4.2546e+03  -5.4182e+00  
4.2917e+03  -5.5440e+00  
4.3287e+03  -5.6368e+00  
4.3658e+03  -5.6880e+00  
4.4031e+03  -5.7938e+00  
4.4404e+03  -5.8788e+00  
4.4776e+03  -5.9176e+00  
4.5149e+03  -6.0171e+00  
4.5522e+03  -6.0102e+00  
4.5895e+03  -5.9671e+00  
4.6272e+03  -5.9261e+00  
4.6649e+03  -5.8519e+00  
4.7026e+03  -5.6751e+00  
4.7402e+03  -5.4791e+00  
4.7779e+03  -5.2798e+00  
4.8156e+03  -5.0114e+00  
4.8538e+03  -4.7224e+00  
4.8920e+03  -4.4843e+00  
4.9303e+03  -4.2239e+00  
4.9685e+03  -3.9621e+00  
5.0067e+03  -3.7799e+00  
5.0449e+03  -3.5655e+00  
5.0837e+03  -3.3866e+00  
5.1225e+03  -3.2606e+00  
5.1613e+03  -3.1034e+00  
5.2000e+03  -3.0034e+00  
5.2388e+03  -2.9277e+00  
5.2776e+03  -2.8283e+00  
5.3171e+03  -2.7770e+00  
5.3565e+03  -2.7425e+00  
5.3960e+03  -2.7335e+00  
5.4355e+03  -2.6793e+00  
5.4749e+03  -2.6584e+00  
5.5144e+03  -2.6146e+00  
5.5545e+03  -2.6289e+00  
5.5947e+03  -2.6209e+00  
5.6349e+03  -2.5916e+00  
5.6750e+03  -2.6177e+00  
5.7151e+03  -2.6043e+00  
5.7553e+03  -2.5790e+00  

Dataseries 3
Above an absorptive ground
Frequency, Hz -  10log_1_0 \sigma, dB
5.0000e+01  -2.6338e+01  
7.5000e+01  -2.1063e+01  
1.0000e+02  -1.7238e+01  
1.2500e+02  -1.4179e+01  
1.5000e+02  -1.1627e+01  
1.7500e+02  -9.4577e+00  
2.0000e+02  -7.6321e+00  
2.2500e+02  -6.1225e+00  
2.5000e+02  -4.8945e+00  
2.7500e+02  -3.8541e+00  
3.0000e+02  -2.8703e+00  
3.2500e+02  -2.1435e+00  
3.5000e+02  -1.6645e+00  
3.7500e+02  -1.2211e+00  
4.0000e+02  -7.2455e-01  
4.2500e+02  -4.6321e-01  
4.5000e+02  -4.3223e-01  
4.7500e+02  -3.3121e-01  
5.0000e+02  -6.3434e-02  
5.5000e+02  -1.4708e-01  
6.5000e+02  -2.1546e-01  
7.5000e+02  -3.7915e-01  
8.5000e+02  -5.9185e-01  
9.5000e+02  -8.4020e-01  
1.0500e+03  -1.1441e+00  
1.1500e+03  -1.5789e+00  
1.2500e+03  -2.2228e+00  
1.3500e+03  -3.0972e+00  
1.4500e+03  -4.1567e+00  
1.5500e+03  -5.2900e+00  
1.6500e+03  -6.2617e+00  
1.7500e+03  -6.6817e+00  
1.8500e+03  -6.3209e+00  
1.9500e+03  -5.6035e+00  
2.0500e+03  -5.0878e+00  
2.1500e+03  -4.8294e+00  
2.2500e+03  -4.6534e+00  
2.3500e+03  -4.4867e+00  
2.4500e+03  -4.3109e+00  
2.5500e+03  -4.1285e+00  
2.6500e+03  -3.9469e+00  
2.7500e+03  -3.7675e+00  
2.8500e+03  -3.5912e+00  
2.9500e+03  -3.4084e+00  
3.0500e+03  -3.2166e+00  
3.1500e+03  -3.0513e+00  
3.2500e+03  -2.9886e+00  
3.3500e+03  -3.0469e+00  
3.4500e+03  -3.1758e+00  
3.5500e+03  -3.3386e+00  
3.6500e+03  -3.5213e+00  
3.7500e+03  -3.7243e+00  
3.8500e+03  -3.9523e+00  
3.9500e+03  -4.2010e+00  
4.0500e+03  -4.4466e+00  
4.1500e+03  -4.6319e+00  
4.2500e+03  -4.6737e+00  
4.3500e+03  -4.5259e+00  
4.4500e+03  -4.2113e+00  
4.5500e+03  -3.8153e+00  
4.6500e+03  -3.4170e+00  
4.7500e+03  -3.0636e+00  
4.8500e+03  -2.7745e+00  
4.9500e+03  -2.5500e+00  

Dataseries 4
On an absorptive ground
Frequency, Hz -  10log_1_0 \sigma, dB
5.0000e+01  -2.5027e+01  
7.5000e+01  -1.9897e+01  
1.0000e+02  -1.5769e+01  
1.2500e+02  -1.2806e+01  
1.5000e+02  -1.0142e+01  
1.7500e+02  -8.0493e+00  
2.0000e+02  -6.1636e+00  
2.2500e+02  -4.6534e+00  
2.5000e+02  -3.3545e+00  
2.7500e+02  -2.3338e+00  
3.0000e+02  -1.4114e+00  
3.2500e+02  -8.2244e-01  
3.5000e+02  -4.1582e-01  
3.7500e+02  -1.0372e-01  
4.0000e+02  2.7628e-01  
4.2500e+02  3.3947e-01  
4.5000e+02  2.7963e-01  
4.7500e+02  3.5673e-01  
5.0000e+02  5.3078e-01  
5.5000e+02  2.1603e-01  
6.5000e+02  -8.5524e-02  
7.5000e+02  -4.2632e-01  
8.5000e+02  -8.1393e-01  
9.5000e+02  -1.2714e+00  
1.0500e+03  -1.8072e+00  
1.1500e+03  -2.4207e+00  
1.2500e+03  -3.1167e+00  
1.3500e+03  -3.9019e+00  
1.4500e+03  -4.7782e+00  
1.5500e+03  -5.7154e+00  
1.6500e+03  -6.6394e+00  
1.7500e+03  -7.4088e+00  
1.8500e+03  -7.8489e+00  
1.9500e+03  -7.8173e+00  
2.0500e+03  -7.3377e+00  
2.1500e+03  -6.6115e+00  
2.2500e+03  -5.8553e+00  
2.3500e+03  -5.1971e+00  
2.4500e+03  -4.6763e+00  
2.5500e+03  -4.2748e+00  
2.6500e+03  -3.9631e+00  
2.7500e+03  -3.7171e+00  
2.8500e+03  -3.5232e+00  
2.9500e+03  -3.3800e+00  
3.0500e+03  -3.2901e+00  
3.1500e+03  -3.2578e+00  
3.2500e+03  -3.3087e+00  
3.3500e+03  -3.4814e+00  
3.4500e+03  -3.7716e+00  
3.5500e+03  -4.1027e+00  
3.6500e+03  -4.4177e+00  
3.7500e+03  -4.6980e+00  
3.8500e+03  -4.8999e+00  
3.9500e+03  -5.1187e+00  
4.0500e+03  -5.3835e+00  
4.1500e+03  -5.6527e+00  
4.2500e+03  -5.8872e+00  
4.3500e+03  -6.0102e+00  
4.4500e+03  -5.8704e+00  
4.5500e+03  -5.3566e+00  
4.6500e+03  -4.6168e+00  
4.7500e+03  -3.9276e+00  
4.8500e+03  -3.3989e+00  
4.9500e+03  -3.0338e+00  

