The directions for using the ship motion programs are listed below. The lat and lon should be in decimal minutes, I believe. The ship motion data I have is 15 s resoultion. You could use finer resolution with no problem. Courser resolution longer than the radar dwell time might be a problem. The program doesn't do any interpolation -- it simply picks the ship motion data closest in time to the radar moment time. The program shipint reads a text line of 100 characters. It has strict position placements for the date and time. It then reads from character string position 21 to 100 into 5 unformatted real variables. The program assumes the first variable is course over ground in degrees, the second is speed over ground in knots, and the fifth is heading in degrees. If your data doesn't look like this, the program won't work. If you want me to change the program to conform to the data format you are getting

now, I can try emailing you a new executable. The program assumes that you have at least the whole day's worth of motion data in one file for the day of radar data that you want to process.

Quick directions for using shipboard wind profiler motion correction programs.

1. Copy files from floppy disks #1 and #2 to a PC directory. If you need to

modify any Fortran programs, the source code is in directory SOURCE on floppy #2.

2. Acquire the ship motion data from the ship's computer in the form given in the example header file etl_001.hdr.

3. Edit the file mom.inp and enter the correct drive, path, and file name for the ship motion data. Make sure you have the correct file name for the file containing the motion data corresponding to profiler data that you will be processing.

4. Execute the batch file winds.bat by typing, e.g., winds d99054a.spc

h:\radar\data, where the first argument gives the name of the pop data file, and the second argument gives the path for that data file. The full execution time for winds.bat is approximately 20 minutes on a 233 MHz machine.

5. The output files are in STI format and can be viewed with the LAPG software. The file naming convention is rhb90223.w1c or rhb90223.w4c. Note that the year is given by '9' and that the date is represented by 'mmdd'. The '1' or '14' in the file extension denotes low-mode and high-mode data.

6. Known problems:

a) The header information on the LAPG plots is always '60-m winds' regardless of pulse length.

b) There will be (hopefully obvious) outliers remaining in the plots. We didn't have time to troubleshoot this for the JASMINE cruise.