Experimental wake data of Marasli (1992)

   eta             f(eta)

-3.208181	0.4404603E-02
-2.933883	-0.2393695E-02
-2.759431	0.9457391E-02
-2.069299	0.2081851E-01
-1.916789	0.5144147E-01
-1.795001	0.6908030E-01
-1.503149	0.1882649    
-1.288100	0.2951696    
-1.228852	0.3418696    
-1.203616	0.3554662    
-0.8393499	0.6151489    
-0.5749265	0.7945076    
-0.4904434	0.8340725    
-0.1492174	0.9757343    
-0.1261770	0.9908314    
0.1382454	0.9994977    
0.4169322	0.9032804    
0.5639556	0.7983661    
0.5869960	0.8178423    
1.130105	0.3939287    
1.155340	0.3695528    
1.277128	0.3030397    
1.429637	0.2093028    
1.784029	0.6219013E-01
1.843278	0.6059774E-01
2.058326	0.2501386E-01
2.232780	0.1046795E-01
2.507077	0.1408146E-01
3.197208	-0.6466549E-02