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» Online Classroom   » Tech Support   » StarPilot   » DR Update in Speed/Time mode

Author Topic: DR Update in Speed/Time mode

 - posted November 29, 2002 02:11 PM      Profile for vjwilliams           Edit/Delete Post 
DR Update in Speed/Time mode

After a running fix, StarPilot asks if you wish to update the stored DR position with the new fix position. In DR mode = Speed/Time, this operation will store the new position and also update the DR Time with the Watch time of the fix. This last step, however, was not working right in that it applied the ZD to the WT and changed the DR time into GMT. This was not our intention, just an oversight, and this has now been fixed. In all versions Aug 19, 2000 or newer, when you update DR after a running fix, the WT of the sight will be recorded as the new DR Time regardless of what is stored in the ZD. Our intention is that this stored ZD only be used for actual sight reductions, and now it does work that way. This use of WT and DR time is the most convenient for actual navigation underway. (If you had been running in DR mode = Log or Off this would not have been noticed, and if you used only GMT, i.e. ZD = 0, it also would not have shown up.) Thanks to Don F. for finding this glitch.

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