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Gary writes:

H.O. 214 was originally published between 1936 and 1946 as each volume
was computed. It consists of 9 volumes each covering 10� of latitude.
My set has various publication dates between 1940 and 1970. Thank you
for the errata sheet. I checked my volumes covering 40� to 59� which
were published in 1962 and found that the correct values were already
printed in my set.

gl

On Oct 7, 2:53 pm, "George Huxtable" 
wrote:
> Gary LaPook asked-
>
> | Regarding H.O. 214, I have seen it mentioned that a number of errors
> | had been found in these tables, is there a source for errata sheets?
>
> From George-
>
> I have the British version, Hydrographic publcation HD 486 (IV), Tables of
> computed altitude and azimuth, vol.IV, for latitudes 45 to 59 degrees.
>
> This is the 1951 edition, which tells me that it was reproduced with
> permission from U S Hydrographic Office H O publication no 214.
>
> It also says that the tables have been regrouped into six volumes, each
> covering 15 degrees of latitude. Was there a HO 214 volume that covered 45
> to 59, then, or did that coverage differ?
>
> And it adds "The explanation has been completely rewritten to bring it into
> line with current practice in the Royal Navy".
>
> The list of errata is printed on page xvi, and a scan is attached here. A
> listing of just the upper block appears on a pasted-in slip. I imagine that
> the errors in the lower block might apply to an earlier edition.
>
> George.
>
> contact George Huxtable at geo...@huxtable.u-net.com
> or at +44 1865 820222 (from UK, 01865 820222)
> or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
>
>  HO214 errata.jpg
> 288KViewDownload


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