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Geoffrey, I have never been able to find a copy of Precomp Navigation. Do you 
by any chance have a source?

I have ordered Rust's Practical Tables from Amazon. Do you happen to know if 
his one page table is similar to Starpath's X Table. As I recall, the XT is a 
table of natural logs.

Hewitt



Sent from my iPad

On Dec 15, 2012, at 3:28 AM, Geoffrey Kolbe  wrote:

> At 13:18 14/12/2012, Dave Walden wrote:
> 
>> IF you want a SHORT table....
>> 
>> 
>> 
>> Combining this with the Sec/Cosec method (see for example, Precomp
>> Navigation, by Philip Van Horn Weems, 1969 - 18 pages), one has perhaps THE
>> shortest tabular method, ONE page!
> 
> Have a look at the Starpath emergency navigation sheet. The tables amount 
to, perhaps, half a page. The rest of the page is examples, how to find 
latitude, latitude by Polaris......etc.
> 
> Everyone should have one!
> 
> Geoffrey 
> 
> 
> 

   

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