What does all of this mean?
It means that the clocks in SH3 work when you correct them for an offset I will call Base Time Zone. Simply know the starting nautical time zone of the campaign or mission and subtract that number of hours from the two clocks and you will know the correct local or GMT time.
Thus ends the first voyage of the U-13. The purpose was to develop a nautical chart and nautical clocks necessary for celestial navigation. BDU is satisfied with the results. They decide that further testing of the clocks will require higher precision measurements than simple sunrise and sunset. We will need to make accurate measurements of the star positions.
Next up will be an accurate sextant. That will be the work of the second voyage. Here is a preview of the result using the prototype...
