NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

HOME

Re: determination of longitude and the prime vertical
From: Bill B
Date: 2007 Apr 13, 01:18 -0400

Paul

Please take note LHA should be 71d 09!9.  A typo/blunder on my part/

Bill

> From: Paul Hirose 
>
> George Huxtable wrote:
>>
>> | Date:     1 May, 2007
>> | UT:       20:41:45
>> | Position: N40 W60
>> | Hc:       24d 00!2
>> | Az:       270.00
>> | LHA:      71d 09!5
>> | dec:      15d 09!5
>
> I'll work the computation with the USNO MICA program, using the
> Terrestrial Time scale for best accuracy. IERS Bulletin A predicts UT1
> will be .11 second behind UTC on that date. In addition, UTC will be 33
> seconds behind TAI, and TAI 32.18 seconds behind TT.


--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---

Subject:
Author:
Start date:	(yyyymm dd)
End date:	(yyyymm dd)

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

NavList

What is NavList?

Get a NavList ID Code

Retrieve a NavList ID Code

Email Settings

Custom Index

Add Images & Files
Name or NavList Code:	Email:

Name:
	(please, no nicknames or handles)
Email:

NavList ID Code: