How to download a selected data file:

The Sidescan-Sonar Field Data
The Navigation Data

The Sidescan-Sonar Field Data

Sidescan-sonar data files are binary encoded and cannot be viewed directly. The files are cross referenced on the  Sidescan-Sonar Field Data page to help in locating and downloading selected files. To download a selected file, simply follow the steps outlined below. The steps required to download a data file utilizing WWW clients other than those listed below may differ slightly.

  Downloading a selected file with Netscape

        Window95/98, Windows NT, UNIX, DOS

  1. Locate the name of the desired file from the Sidescan-Sonar Field Data page. DO NOT CLICK ON THE FILENAME AT THIS TIME.
  2. Select the desired file by placing the system pointer on the file name from the data list and pressing the right mouse button. This will display a pop-up menu from Netscape.
  3. Drag the mouse to highlight "Save this link as ..." and release the mouse button.
  4. When prompted, enter the directory and filename specifying where the selected file will be stored on disk. The sidescan-sonar data file will then be transferred from the CD-ROM to the local disk file.

    Repeat steps 3 and 4 until all desired data files have been downloaded from the CD-ROM.

       MAC OS

  1. Locate the name of the desired file from the Sidescan-Sonar Field Data page. DO NOT CLICK ON THE FILENAME AT THIS TIME.
  2. Select the desired file by placing the system pointer at the beginning of the filename, click and drag the system pointer to the end of the filename.
  3. Under the FILE menu, select "Save as...".
  4. Enter the directory and filename specifying where the selected file will be stored on disk.

          Repeat steps 3 and 4 until all desired data files have been downloaded from the CD-ROM.

  Downloading a selected file with Internet Explorer

To download a selected data file listed in the Sidescan-Sonar Field Data page while using the Internet Explorer browser, follow the above directions for Netscape. After selecting the desired file, use the mouse to highlight "Save target as..." . Internet Explorer will then ask to specify the name and location of where the selected data file should be saved.

REMEMBER: The sidescan-sonar data files are binary files and cannot be viewed directly. Attempts to view the files in a text window will result in long loading times and unrecognizable characters being displayed. The sidescan-sonar data listing with cross-references to the data files is simply to aid the user in identification and downloading of desired files. See Readme.txt in /BIN for details on how to view the raw data files on screen (available for UNIX operating systems only).

  The Navigation Field Data

The navigation data are stored on the CD-ROM as ASCII files and may be viewed by going to the DATA PAGE and selecting the Navigation Data link. All the navigation data are separated into individual files according to julian day.

There are two methods by which the user can download the navigation data from CD-ROM.   One method is to follow the steps described above for downloading the sidescan-sonar data. A second method is available when viewing the data file in the text window. Select the Save As option on the pulldown menu from the File button, located on the menu bar. When prompted, enter the directory and filename specifying where the selected file will be stored on disk.

   Return to the data page