====== make_raw.pl ======

The ''make_raw'' script will prepare the files for processing in ROI_PAC, performing an initial check of the file, reformatting the data, locating the appropriate orbit file, and performing a Doppler computation.  Its usage is as follows:
<code>
$ make_raw.pl ORBIT_TYPE SARLEADER_FILE DATE
</code>
You can also run ''make_raw.pl'' with no arguments to see a detailed usage page.  Move to the directory containing the master SAR scene and run the following command:
<code>
$ make_raw.pl ODR SARLEADER19970104 19970104
</code>
Repeat in the directory of the slave SAR scene, adjusting the date and filename appropriately.  You are now ready to produce an interferogram.