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  1. #1
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    Default Garmin Timezone Map v8 (compiled April 13, 2011)

    New Timezone Map available
    [Only registered and activated users can see links. ]

    Code:
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  3. #2
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    how does this differ from the default that is avail to all garmins. I thought the map auto changed times depending on what it receives from the satellites

  4. #3
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    this is just an updated map : new version, probably it will be included in new CNs map updates and actually present in new sold devices
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    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  5. #4
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    Quote Originally Posted by max_clif View Post
    how does this differ from the default that is avail to all garmins. I thought the map auto changed times depending on what it receives from the satellites
    Yes., Nuvi adjust time from the satellites by correctly "Time zone"(GMT) in device.
    "Time zone"(GMT) in device is set by co-ordinate you are( + with gmaptz ).
    what exactly GMT when we stand around country border ?
    Newer version may clarify about it ????
    Just my idea.

  6. #5
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    Has anyone installed this in a nuvi 1300
    Does it work ?
    Is it safe to install ?

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    Installed it on both Oregon 300 and Nuvi 1490, works perfect.

    Interestingly, the file is not yet available via Webupdater (at least not for my Oregon..).
    Last edited by catymag; 16th June 2011 at 13:08. Reason: merged 2 consecutive posts

  8. #7
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    Quote Originally Posted by max_clif View Post
    how does this differ from the default that is avail to all garmins. I thought the map auto changed times depending on what it receives from the satellites
    GPS satellites transmits GPS time (week & seconds) and the UTC time (Coordinated Universal Time) to the GPS receiver. Local time is displayed either by manual setting of the timezone or automatically by using "gmaptz.img" to fetch the local timezone at your current position. Using "gmaptz.img" automatically is very practical if one travels east<->west and crossing time zone(s).

    NMEA 0138 - GPS Fix Data Sentence (PGRMF):
    attachment.php?attachmentid=90222

    Time zones present (from March 27, 2011):
    Code:
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    The UTC time is very close to GMT but may differ in sub-seconds level and it also uses leap seconds.

    Extract from Wikipedia:
    As the Earth's rotation continues to slow, positive leap seconds will be required more frequently. The long-term rate of change of LOD is approximately +1.7 ms per century. At the end of the 21st century LOD will be roughly 86,400.004 s, requiring leap seconds every 250 days. Over several centuries, the frequency of leap seconds will become problematic.
    ...
    ...
    Attached Images Attached Images
    Don't post thanking posts. Use the "Like"button instead.





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    NOTICE! Due to other activities I'm now having a very low attention to questions and requests here at GPSPower.

  9. #8
    Navigation software expert

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    Quote Originally Posted by rob63 View Post
    Interestingly, the file is not yet available via Webupdater (at least not for my Oregon..).
    Many system files become available via Webupdater with several delay. So there are new version of file in retail device. It is mystery of Garmin.
    Timezone Map v8 is just at time. Garmin compile this file twice of year - november and april. It is time for switch to summer and winter time?!

  10. #9
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    The file was delivered together with a map update, also not by web updater.
    Should be available soon

  11. #10
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    What directory must it be saved into?

 

 
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