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Search took 0.00 seconds. Search: Posts Made By: barnakiel
Forum: Seamanship & Boat Handling 13-02-2011, 11:56
Replies: 73
Views: 7,397
Posted By barnakiel
But can tell your latitude from the duration of...

But can tell your latitude from the duration of the daylight, without a sextant too.

(Read about it, but have not tested how practical it is).

b.
Forum: Seamanship & Boat Handling 13-02-2011, 11:45
Replies: 73
Views: 7,397
Posted By barnakiel
Yes, one can solve the fix with reduction tables,...

Yes, one can solve the fix with reduction tables, and without such tables just from the formulas. However, without reduction tables, it helps to know how to use logarithms to avoid multiplication of...
Forum: Seamanship & Boat Handling 13-02-2011, 06:29
Replies: 73
Views: 7,397
Posted By barnakiel
There are ways for astro navigation without...

There are ways for astro navigation without sextant too. It takes a good watch and almanac tables and accuracy varies with latitude and time of the year. But the methods are supposed to be good...
Forum: Seamanship & Boat Handling 12-02-2011, 20:37
Replies: 73
Views: 7,397
Posted By barnakiel
Thames ... have not been. Have been up north -...

Thames ... have not been. Have been up north - Fraserborugh, Inverness (got stuck on a bank and later the same day hit underwater larsen wall ...

And only to imagine the same waters with fewer...
Forum: Seamanship & Boat Handling 12-02-2011, 19:35
Replies: 73
Views: 7,397
Posted By barnakiel
Hmmmm ... light disappearing ... real bad. ...

Hmmmm ... light disappearing ... real bad.

Here in Canary Islands we still have a handfull of lighthouses. Convenient. Otherwise hard to miss the land - one can see the light of the city two...
Forum: Seamanship & Boat Handling 12-02-2011, 16:19
Replies: 73
Views: 7,397
Posted By barnakiel
We sailed without one for ages. It was only...

We sailed without one for ages. It was only before our first crossing that we bought one.

b.
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