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  1. #1
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    Default Garmin XT on N95 8gb -> recalculating...

    I have Garmin XT 5.00.20s60.9 and I'm using North American maps 2009 Data Version 10.00 on my Nokia N95 8GB. I used to have an older version of the software and the maps and it worked really well last summer. I upgraded to the new version and now, it keeps recalculating my route even though I follow the directions. It's to the point where I can't use the software and trust it.
    I live in Canada but I had the same problem when I was in Florida last week.
    When I use the map option without navigation, I can see the vehicule jump off the road at times so I'm thinking that it could be a faulty GPS receiver? I thought about replacing the GPS antenna but I don't think I want to invest money without knowing what the problem is.
    I also thought that I could use an external GPS to see if it's the problem. Can I bluetooth into a regular Garmin and use that GPS receiver? At least I would know if it's the receiver or the software.

    I don't have a data plan so don't suggest to use the A-GPS. It's still expensive in Canada and I am cheap.

    Any help?
    Thanks!

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  3. #2
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    lallard

    I'm sorry this is gonna be a very very long reply, but I've been using Mobile XT from ver. 4.20.20, and I need to explain my experiences with you.

    I know. The recalculating using the phone's GPS module can be very frustrating. I will try and help you the best I can.
    I've found that upgrading Mobile XT every time to a newer version causes problems. So I decided just to uninstall the previous version including the Garmin maps, and start from scratch with every new version. I found this when upgrading from 5.00.20 to 5.00.30 that 90% of the routes would take me on very nice 300km+ scenic routes where as the route was suppose to be only 15km.

    Things you can try in Garmin XT in your case
    -> Tools -> Settings -> Map -> Show Location; When choosing "On Roads", it will drop you on the nearest road closest to the GPS location. This means that different road running next to the one you're driving will be picked up by the gps which will cause recalculation.

    -> Tools -> Settings -> Map -> Map Detail; Lower it and see if that makes a difference. I've noticed the more detail I have the more recalculations I have

    -> Tools -> Settings -> Routing -> Off-Route Recalculation; Don't set it silent. Either "Prompted" or "Automatic - Announced". That way you can figure out if the recalculation was due to inaccurate gps location.

    I'm using N95 8GB running Garmin Mobile XT 5.00.40 with a-gps turned on. A-gps does use data. And where gps signal are bad, a-gps works overtime, because it will try and find as much cell-network antenna as it can store. And then we don't even want to think about roaming with them.

    I've tried those tutorials on the net to solder a piece of wire to the phone's existing gps antenna, but really not worth it. The resistance of the existing antenna must be matched, otherwise you'll have to have a piece of wire hanging out the phone. We have done extensive probing on three n95's and four n95 8gb's to boost the gps signal to the point that the phone later decided to light up a cigarette and said enough is enough.

    Your best bet is to get an external bluetooth receiver, if you don't plan on using a-gps. It really is a good investment to get one, as it is very accurate and get signal very fast. I have purchased a receiver that is so small, it's actually called a keyring gps receiver.

    IMHO, buying a receiver is a once-off buy; using a-gps, you'll allways have the thought of how much it costs in the back of your mind, which in it's turn contradicts concentrating on the road :D

    I can't really confirm anyone connected to a normal garmin gps like the the Nuvi, as the bluetooth feature on the new ones is mainly used to connect to your phone and used as hands free, POI dialling and looking up contacts.



    P.S. Have you tried Nokia Maps yet? Upgrade it to the latest and see if it helps. Also, it asks you to go online in the beginning, which is a-gps. I'm using both Garmin and Nokia Maps and IMO, I think the module and antenna in the phone causes inaccurate gps location, not the software. The software will cause inaccurate route planning.

  4. #3
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    First, thank you for the long reply. I need all the help you can give me.

    I tried changing the Tools -> Settings -> Map -> Show Location to GPS location: it showed me off the highway with the deer and recalculated a road to get back on the highway... this was quite a detour!

    I then removed the software from my phone and re-installed the old version that worked well last summer 4.20.20 with the 2008 maps. It's still recalculating. So I agree with you. It's probably not the software but the receiver or the antenna.

    I'm not going to spend my kids' college fund on data so A-GPS is out of the question for me.

    I will try to bluetooth to a regular road GPS system today. If I'm successful, I might be amazed at the speed of the signals! I will post again with the results.

    So I'm left with two choices: fix my receiver/antenna or buy an external GPS receiver.
    I have purchased a receiver that is so small, it's actually called a keyring gps receiver.
    Which one did you get? Did you buy it online? I checked on eBay and they seem to be almost as expensive as a regular unit. Do you have to turn it on before using it? Or does it only use the battery when it's used? The reason I'm asking is that I use my GPS on my motorcycle and I'm hoping that I can put the external receiver in my saddlebag and connect to it from the phone without having to get off the bike. I'm probably dreaming, right?

    Am I wasting my time trying to find a repair shop to upgrade the receiver in my phone? I know that we live in a society that doesn't fix things anymore but I would to try.

    Thanks for your help. I still love my phone and love the fact that everything is in one device: I always have my camera, my mp3 player, my phone and my GPS with me. Well, I hope that I can trust the GPS again.
    Last edited by lallard; 21st March 2009 at 15:02.

  5. #4
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    lallard

    Glad you found some use of the post:p

    Why not download the latest ver 5.00.40, and see if that helps, I remember that they added at some stage "Improve map drawing performance"

    Also, do give Nokia Maps a try:
    Nokia Maps 2 [Only registered and activated users can see links. ]

    Nokia Maps 3 [Only registered and activated users can see links. ]

    Licence (only if the above two has problem with it) [Only registered and activated users can see links. ]

    I have tried Nokia Maps, and can't complain. The reason I use Garmin more, is of the POI's I can install and speed cameras .

    The "regular road GPS system" you mention, would that be a device with maps? You know, like a Garmin Nuvi Blutooth, etc? I hope you get it right, but don't get your hopes up. The Bluetooth was mainly integrated for use as a hands-free with display.

    Concerning the antenna, do a search on Google for "How I made my N95 8GB's GPS Godlike!" Do try this at you own risk, but don't expect a miracle. It took me hours to try this, and did not find it working for me. Mainly because of the resistance to match the antenna the phone has.

    The small gps receiver I use is a keychan gps receiver from Freedom. But I'm sure you can find other bluetooth gps receivers, even bulkier, at a reasonable price. I did a search for you and found the "B-Speech Keychain Bluetooth GPS Receiver" on Amazon at $49. Hopefully a price you can smile at, I don't know you budget, and I live in South Africa (no eBay) and to get anything from Amazon would double the price :o, or not even get for some electronics.
    It comes with a carcharger, but I'm sure you can get, or make, an adapter to use your bike's battery.

    I don't think taking it to a repair shop will get you an upgrade to the phone's receiver or antenna. I can't say if your antenna or receiver is busted, but IMO, If it's receiving GPS coordinates, it should be fine. Start worrying when you can't receive any after hours.

    Keep the setting "Show Location -> On Roads"

    I hope you this was helpful. Pity that A-GPS is costing you a fortune. Maybe get a data package from your mobile provider. A-GPS has really boosted mobile GPS. Also, remember that GPS devices only receive info, it does not send, only if you use things like Garmin Online and Google search.

  6. #5
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    Oh, and remember to go (if you haven't) to [Only registered and activated users can see links. ] and say Hi to everyone, introducing yourself to the community:p. Rather me mentioning that.

  7. #6
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    Quote Originally Posted by WtK View Post
    Oh, and remember to go (if you haven't) to [Only registered and activated users can see links. ] and say Hi to everyone, introducing yourself to the community:p. Rather me mentioning that.
    lol ..You got a point :D

  8. #7
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    Thanks for the help. I removed the latest Garmin version completely and re-installed 4.20. I need to test it more but it seems to be working a little better (which doesn't make much sense!) and I need to use it more before I can really be sure.

    I found those GPS antenna boosters on eBay... Any experience with them? They're really cheap and I thought I could try that before I open up my phone's case and solder an antenna to it.

    Thank you again.

  9. #8
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    @ Spiral

    @ lallard
    I am really, and I mean REALLY trying after looking at to stick-it-on gps antenna booster, figure out if that would work. I'm totally in a blank here.

    I'm sure one can even get rear-windows defroster kit and make your own... But please, if you do get one and find it working, the way they say you attach it to the battery cover, and without it, post it.

    Opening the phone and poking a soldering iron towards it, is not for the shaky-hand type. We did it on ones just lying around. And we can't confirm that myth. So far it's busted.

  10. #9
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    why dont you try last version ?
    [Only registered and activated users can see links. ]
    the one you tried is very buggy
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [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.

  11. #10
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    Quote Originally Posted by catymag View Post
    why dont you try last version ?
    [Only registered and activated users can see links. ]
    the one you tried is very buggy
    Quote Originally Posted by WtK View Post
    lallard

    Why not download the latest ver 5.00.40, and see if that helps, I remember that they added at some stage "Improve map drawing performance"
    catymag - Thanks for that link, I did not know there a a link on the forum. Did not know if I could post a direct link to Garmin for lallard.

    Agree with you that it is buggy. The latest 5.00.40 version works well.

 

 
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