Winfrog format contains single beam data.
Interface
Winfrog conversion options are available in this dialog box:

Procedure
1. In the Bathymetry field, select Single or Dual Frequency.
2. Select Attitude data records to be converted, either 413 or 888 records.
3. In the Slant Range Generation field, specify a speed of sound, so that slant range data can be generated from the measured sounding depths. Default is 1500 m/s.
4. In the Navigation data field, select the navigation records to be converted, either 303 or 351.
5. Click Next to continue the conversion process.