Formula for calculating declination?

Discussion in 'Hunting, Fishing & Camping' started by ClydeG19, Jul 21, 2005.

  1. ClydeG19

    ClydeG19

    Messages:
    6,386
    Likes Received:
    2,191
    Joined:
    Oct 5, 2001
    Location:
    Pennsylvania
    Does anyone have a formula to calculate declination for a given lat/lon? Adding in the date would be nice as well, but the date doesn't affect it that much.
     
  2. DJ Niner

    DJ Niner Moderator

    Messages:
    17,455
    Likes Received:
    3,422
    Joined:
    Feb 13, 2001
    Location:
    North-Central USA

  3. DJ Niner

    DJ Niner Moderator

    Messages:
    17,455
    Likes Received:
    3,422
    Joined:
    Feb 13, 2001
    Location:
    North-Central USA
  4. DJ Niner

    DJ Niner Moderator

    Messages:
    17,455
    Likes Received:
    3,422
    Joined:
    Feb 13, 2001
    Location:
    North-Central USA
    Actually, there are a lot of them out there; go to Google and search for "magnetic declination calculation". Not knowing your ultimate use for the info, it's hard to pick the best one.
     
  5. ClydeG19

    ClydeG19

    Messages:
    6,386
    Likes Received:
    2,191
    Joined:
    Oct 5, 2001
    Location:
    Pennsylvania
    I was actually looking for something I could write down on paper, but the map looks like it will work fine. Thx.