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  1. #21
    Join Date
    Oct 2017
    Location
    Bury Lancs
    Posts
    241

    Default Re: sat-nav vs dash cam

    Quote Originally Posted by TheAlmostInvisibleMan View Post
    Some can takes ages from a cold start, most phone GPS is on even when in standby in your pocket. SOme will store previous positions so it can quickly boot up.

    It only needs to acquire three satellite positions to get a fix on your location, it will then assume you're at mean sea level until it gets a 4th (and then more).


    Some satnav's have better (faster) processors so will do a better job of acquisition.


    The better the aerial has a view of the sky the faster it's gonna acquire those satellites.

  2. #22
    Join Date
    Oct 2017
    Location
    Bury Lancs
    Posts
    241

    Default Re: sat-nav vs dash cam

    I hope I'm not jumping the gun but ..... new sat-nav GPS antenna fitted Like this and it found half a dozen satellites within seconds of leaving my drive .....

    do we have a crossed fingers emoticon?

  3. #23
    Join Date
    Jul 2005
    Location
    over here
    Posts
    13,906

    Default Re: sat-nav vs dash cam



    fq101.co.uk

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