Googling "H.O. 249" seems to pull up plenty of resellers...

On 11/3/15, John Gardner <goflo3@gmail.com> wrote:
> http://msi.nga.mil/NGAPortal/MSI.portal?_nfpb=3Dtrue&_pageLabel=3Dmsi_por=
tal_page_62&pubCode=3D0012
>
> On 11/3/15, David C Brown <dcb.home@gmail.com> wrote:
>> Are the sight reduction tables required for celestial navigation still
>> published?
>>
>> On 3 November 2015 at 09:58, <alan.b.pearce@stfc.ac.uk> wrote:
>>
>>> > I'm told the US Naval Academy no longer teaches Celestial Navigation.
>>>
>>> I heard recently that they were keeping up practising it because of the
>>> real threat of GPS jamming.
>>>
>>>
>>>
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>>
>>
>>
>> --
>> __________________________________________
>> David C Brown
>> 43 Bings Road
>> Whaley Bridge
>> High Peak                           Phone: 01663 733236
>> Derbyshire                eMail: dcb.home@gmail.com
>> SK23 7ND          web: www.bings-knowle.co.uk/dcb
>> <http://www.jb.man.ac.uk/~dcb>
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>
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