NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Fw: Re: Still on LOP's
From: Barry Hudson
Date: 2002 Apr 23, 14:02 -0700
From: Barry Hudson
Date: 2002 Apr 23, 14:02 -0700
----- Original Message ----- From: "bhudson"To: "Rodney Myrvaagnes" Sent: Monday, April 22, 2002 4:50 PM Subject: Re: Re: Still on LOP's > From a practical point of view that part of the cocked hat that is closest > to land is taken as the position. This is for safety. This is a most > interesting discussion. With so many chances of error when using P/L's any > fix is a best approximation however we strive for accuracy. > Barrie > ----- Original Message ----- > From: "Rodney Myrvaagnes" > To: > Sent: Monday, April 22, 2002 10:20 AM > Subject: Re: Still on LOP's > > > > On Sat, 20 Apr 2002 21:36:16 US/PACIFIC, Chuck Taylor wrote: > > > > >I propose that a computer simulation might help settle this argument as > to the > > >probablity that one's actually position lies within the "cocked hat". I > am > > >hoping that someone has the time and inclination to carry out the > simulation. > > >The simulation would proceed as follows: > > > > > > > I applaud this proposal. I hope that if anyone does it he will post the > > equations (or spreadsheet) in a general form so listers can run it with > > thrir own choice of sigma, number of runs, etc. > > > > If the equations are written in a sufficiently general form, users can > > observe the effect of additional LOPs on the half-width of the > > resulting distribution, as well as the effect of crossing angles, etc. > > Rodney Myrvaagnes > J36 Gjo/a > > > > > > "Nuke the gay whales for Jesus" -- anon T-shirt > > >