eLORAN

[Rob Seastrom]

Bowditch's _American Practical Navigator_ is still available for
download from NGA.
http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/APN/pub9.zip

Celestial navigation when it's clear and dead reckoning when it's not
works pretty well on the high seas and has for hundreds of years.

-r

Mark Whittington <markwhi at gmail.com> writes:

> When you say "celestial navigation," do you literally mean using a sextant,
> can't navigate if it's cloudy celestial navigation?
>
>
>
> That's a little scary.
>
>
>
> On Fri, Oct 31, 2014 at 8:41 AM, [[fgentges at mindspring.com]]
> <[[fgentges at mindspring.com]]> wrote:
>
>           When I worked for the US Navy, I was the navigation policy
>      officer and I was a strong advocate of LORAN C as a backup for
>      GPS.  We had an installed base of modern LORAN C receivers on our
>      ships and the Coast Guard had the installed base of LORAN C
>      transmitters.  All we had to do was the cost of maintenance and
>      operation, both which were not that great.
>      
>      We would hear of shutting down LORAN C from time to time but the US
>      Navy would not go along with that.
>      
>      Since that the Coast Guard decided to shut down the LORAN C
>      transmitter sites.  That was a bad policy decision.
>      
>      Now the US Navy will have to use celestial navigation as back up. 
>      They can probably do it but the loss of LORAN C makes it a
>      speciality of a limited group of naval officers trained at the Naval
>      Academy.
>      
>      Frank K0BRA
>      
>      
>      On 10/31/2014 04:33 AM, Philip Miller Tate wrote:
>      
>
>                     I thought I'd get this in quick, before André
>           beat me to it:
>           
>           [[www.bbc.co.uk/news/science-environment-29758872]]
>           
>           Phil M1GWZ
>           
>           Sent from my brain, via my fingers
>           _______________________________________________
>           Tacos mailing list
>           [[Tacos at amrad.org]]
>           [[https://amrad.org/mailman/listinfo/tacos]]
>           
>           
>
>
>      _______________________________________________
>      Tacos mailing list
>      [[Tacos at amrad.org]]
>      [[https://amrad.org/mailman/listinfo/tacos]]
>      
>
>
>
> _______________________________________________
> Tacos mailing list
> Tacos at amrad.org
> https://amrad.org/mailman/listinfo/tacos