12-19-2015, 01:34 AM
If your chronometer is broken and time is unknown or you can't get a WWV or WWVH signal you're going to have a hard time determining Longitude. Latitude can be obtained easily enough from the blessed noon-sight. No time...no position fix.
Have any of you tried "the recovery of time" technique. I think it requires a known position and the GHA deriving the Hc specific to the position. Beyond that, I know nothing about.
Looking at Bowditch Chapter 26 Emergency Navigation
"Section 2612. Finding Longitude" (page 10) mentions something about determining meridian transit time and correcting the chronometer for same. There has to be some explanation for this?
I hope.
Craig
Have any of you tried "the recovery of time" technique. I think it requires a known position and the GHA deriving the Hc specific to the position. Beyond that, I know nothing about.
Looking at Bowditch Chapter 26 Emergency Navigation
"Section 2612. Finding Longitude" (page 10) mentions something about determining meridian transit time and correcting the chronometer for same. There has to be some explanation for this?
I hope.
Craig