by "Tim W" <tim.whittinghamnosp@[EMAIL PROTECTED]
>
May 17, 2008 at 06:18 PM
"Wilbur Hubbard" <wilburhubbard@[EMAIL PROTECTED]
> wrote in message
news:482efd74$0$213$892e0abb@[EMAIL PROTECTED]
>
> "TonyB" <hatt.j.bennett@[EMAIL PROTECTED]
> wrote in message
> news:OuqdnR7tdafRU7PVnZ2dnUVZ8vWdnZ2d@[EMAIL PROTECTED]
>> On my chart Imray G11 I have a compass rose which shows in writing
>> "Variation 2º 45' E (2005) Increasing about 5' annually."
>>
>> Fine. But the compass rose points to 5º on the true north ring rather
>> than
>> 2.45 - why is this?
>>
> There's something you've failed to consider - deviation. Deviation is a
> local variance caused by metallic objects or electrical fields in or
> around the compass. [...]
Of course. You have a chart for use with 5deg compass deviation. Thanks
Wilbur.
Shame you don't have the rest of the set.
Tim w
