NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Clarification of Question regarding LAN
From: Zorbec Legras
Date: 2004 Aug 4, 12:12 -0500
From: Zorbec Legras
Date: 2004 Aug 4, 12:12 -0500
> Is there a way to use the GHA for the sun from the daily page from one > of the online almanacs to calculate noon GMT, and then use the table > "Convert Arc to Time" to calculate LAN? Is that possible? Yes !! 360? - GHA at 12:00:00 UT = T1 ?quation of time in ?'" Correct for longitude, T1 (+ W/- E) = T2 observer ?quation of time in ?'" Transform T2 in with table i (first yellow page) = T3 observer ?quation of time in h mn sec T3 + 12 h = T4 observer time of transit. Attention de greatest sun altitude is Not the instant of transit for a mobile observer -- ___________________________________________________________ Sign-up for Ads Free at Mail.com http://promo.mail.com/adsfreejump.htm
