NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Stellar Navigation Still Used (Partially) on (Some) Military Aircraft
From: Fred Hebard
Date: 2006 Aug 16, 09:44 -0500
That might be more inexpensive to maintain than GPS satellites; the
receivers would be more expensive but no cost for the "sattelites."
Of course there's the problem of clouds.
Fred
On Aug 16, 2006, at 8:33 AM, dw wrote:
>
> Of course the Navy still uses stars! That's why we have USNO.
>
> http://trexenterprises.com/Products%20and%20Services/Sensors/
> opticalgps.html
>
>
> >
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From: Fred Hebard
Date: 2006 Aug 16, 09:44 -0500
That might be more inexpensive to maintain than GPS satellites; the
receivers would be more expensive but no cost for the "sattelites."
Of course there's the problem of clouds.
Fred
On Aug 16, 2006, at 8:33 AM, dw wrote:
>
> Of course the Navy still uses stars! That's why we have USNO.
>
> http://trexenterprises.com/Products%20and%20Services/Sensors/
> opticalgps.html
>
>
> >
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---