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The VDU patches below will update certified libraries on Edition 16 to 25/19.

  * To download individual libraries or patches, right-click on the link and choose 'Save Target As' (for IE) or 'Save Link As' (for Netscape). To download multiple files at once, use the checkboxes to select the files, and click the 'Download' button at the bottom of the list. Once the files have been downloaded, the user must use Winzip 9.0 or earlier editions to extract from the .zip files.

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*Rows highlighted below in this color are cancelled libraries since the latest New Edition.*
*Rows highlighted below in this color are new libraries available with the latest New Edition.*

Number Name Download
full library
Download VDU Patch
(Windows)
Download VDU Patch 
(Unix)
Cancelled or
New Libraries
      NtM
date
(U//LIMDIS) A2720410 Port Clarence, Alaska N/A   Windows
       652.7 KB
  Unix
             574.1 KB
-
(U//LIMDIS) A2720460 Point Hope to Kukpowruk Pass, Alaska N/A   Windows
       3.6 KB
  Unix
             3.6 KB
-
(U//LIMDIS) A2720470 Point Lay to Peard Bay, Alaska N/A   Windows
       1.5 MB
  Unix
             1.4 MB
-
(U//LIMDIS) A2720480 Harrison Bay to Skull Cliff Vicinity, US N/A   Windows
       3.0 MB
  Unix
             2.9 MB
-
(U//LIMDIS) A2720483 Brownlow Point to Harrison Bay, Alaska N/A   Windows
       3.3 KB
  Unix
             3.3 KB
-
(U//LIMDIS) A2720486 Camden Bay to Demarcation Bay, Alaska N/A   Windows
       3.2 KB
  Unix
             3.2 KB
-
(U//LIMDIS) A2720490 McKinley Bay and Eskimo Lakes, Canada N/A   Windows
       1.4 KB
  Unix
             1.3 KB
-
(U//LIMDIS) A2720492 Approach to Police Point, Canada N/A   Windows
       933 Bytes
  Unix
             826 Bytes
-
(U//LIMDIS) A2720493 Approach to Paulatuk Harbor, Canada N/A   Windows
       754 Bytes
  Unix
             647 Bytes
-
(U//LIMDIS) COA27A Demarcation Point to M'Clure Strait, Canada N/A   Windows
       555.0 KB
  Unix
             532.4 KB
-
(U//LIMDIS) COA27B Norton Sound to Bering Strait, United States N/A   Windows
       1.1 MB
  Unix
             1.0 MB
-
(U//LIMDIS) COA27C East Siberian Sea, Russia N/A   Windows
       422.9 KB
  Unix
             387.4 KB
-
(U//LIMDIS) COA27D Chukchi Sea, Russia N/A   Windows
       500 Bytes
  Unix
             447 Bytes
-
(U//LIMDIS) COA27E Anadyrskiy Zaliv, Chukchi Sea, Russia N/A   Windows
       128.0 KB
  Unix
             117.5 KB
-
(U//LIMDIS) COA27F Anadyrskiy Zaliv, Russia N/A   Windows
       665.0 KB
  Unix
             640.8 KB
-
(U//LIMDIS) GEN27A East Siberian Sea and Anadyrskiy Zaliv, Russia N/A   Windows
       2.3 MB
  Unix
             1.9 MB
-
(U//LIMDIS) GEN27B Bering Strait, Chukchi Sea, Beaufort Sea N/A   Windows
       581.5 KB
  Unix
             549.5 KB
-
(U//LIMDIS) GEN27C Beaufort Sea, Canadian Arctic Ocean N/A   Windows
       141.7 KB
  Unix
             129.4 KB
-
(U//LIMDIS) H2720400 Nome Harbor, Alaska N/A   Windows
       1.1 KB
  Unix
             1.0 KB
-
(U//LIMDIS) H2720486 Bernard Harbor, Alaska N/A   Windows
       421 Bytes
  Unix
             368 Bytes
-
(U//LIMDIS) H2720490 Trent Bay, Canada N/A   Windows
       1.0 KB
  Unix
             951 Bytes
-
(U//LIMDIS) H2720491 Tuktoyaktuk Harbor, Canada N/A   Windows
       907 Bytes
  Unix
             854 Bytes
-
(U//LIMDIS) H2720492 Police Point, Wise Bay and Summers Harbor, Canada N/A   Windows
       147.4 KB
  Unix
             126.4 KB
-
(U//LIMDIS) H2720494 Pearce Point Harbor, Canada N/A   Windows
       599 Bytes
  Unix
             492 Bytes
-
(U//LIMDIS) H2720495 Tysoe Point, Canada N/A   Windows
       688 Bytes
  Unix
             581 Bytes
-
(U//LIMDIS) H2720496 Sachs Harbor and Jesse Harbor, Canada N/A   Windows
       38.4 KB
  Unix
             33.1 KB
-