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Re: Exercise #11 AM star fix
From: Jeremy C
Date: 2008 Jun 8, 02:55 -0700
From: Jeremy C
Date: 2008 Jun 8, 02:55 -0700
On Jun 8, 6:06�am, Mike Burkeswrote: > Wow, quite a workout I love it! It occured to me that only 2 of the 6 sites were HO 249 eligible Mike, Must be using Vol 2 of 249? Try Volume 1 (selected stars). Except for Polaris, the stars I shoot are ALWAYS in 249 Vol 1. They are the only stars I shoot out here. > and my HO 229 did not cover that band. You can download HO 229 et al from here: http://www.nga.mil/portal/site/maritime/?epi_menuItemID=bf8dba302f4fcc327b2a7fbd3227a759&epi_menuID=35ad5b8aabcefa1a0fc133443927a759&epi_baseMenuID=e106a3b5e50edce1fec24fd73927a759 >To what I can tell the resulting fix triangles are quite large( not intended to disparage the navigator!) No offense taken, I've never been too good with AM stars. > and it seems the triangle vertex angle bisectors produce my best fix estimate. Am I getting the idea? >Thanks much and keep 'em coming! My plot below shows the same issue. Basically 2 legit fixes in there. >Do those nav programs also produce the plot? Mine does on the computer, but won't print it out. It mathmatically calculates MPP somehow and displays Lat and Long as you can see in the picture. Jeremy --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---