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Page: of 39

daberti

14 Posts

Posted - 17 août 2006 :  11:17:46  Show Profile  Reply with Quote
quote:
Originally posted by Carl@SiRF

Yes, if you use binary output you should get the right values.


Now, could you please direct me to some GPS mapping proggie for Symbian that uses SIRF output too?

Thanks
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kuehn

USA
9 Posts

Posted - 21 août 2006 :  03:49:56  Show Profile  Reply with Quote
I am using a PDA-N/Pharos 525 and would like to check the static navigation setting. How can I connect my PDA unit to my PC to utilize the Sirfdemo software? I couldn't get it to work through my usb cable? Any suggestions? Thanks.
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admin_0

1 Posts

Posted - 25 août 2006 :  13:19:29  Show Profile  Reply with Quote
Hello to everyone!!!
Im new (and newbie) in this forum and in the GPS world.
I'd like to have some step by step instruction for enabling WAAS-DGPS with SiRFdemo linked to my BT-338 FW 3.1.1 (i think it could be compatible with this mode)

If there is a similar thread already posted, please give me the link to reach it :)

I've already read the tutorial, but i haven't find/understand nothing :(

Please help me!!!!
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gpspassion

93884 Posts

Posted - 28 août 2006 :  00:19:57  Show Profile  Visit gpspassion's Homepage  Reply with Quote
There is a guide on the portal, please read it.

@daberti - none that I know of.

@kuehn - you might be able to do that with GPS2Blue, but it will be easier to use spgps (link on first page), switch to SiRF and poll the navigation parameters.

Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer?
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daberti

14 Posts

Posted - 02 sept. 2006 :  19:15:47  Show Profile  Reply with Quote
quote:
Originally posted by gpspassion

There is a guide on the portal, please read it.

@daberti - none that I know of.



Back from holidays. Thanks gpspassion
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siriusproject

Estonia
2 Posts

Posted - 04 sept. 2006 :  03:36:41  Show Profile  Reply with Quote
Hi!

I just bought Altina GGM309U GPS reciever and tried to change its settings with SiRFdemo. I don't remember what I changed there, but at one moment GPS stopped sending NMEA messages, and even LED doesn't blink anymore :( Factory reset, changing baud rate - nothing helps now :( GPS reciever is designed so that I don't see a possibility to open it and disconnect the battery to reset it. What should I try now?

I can go to the shop and tell them "your GPS doesn't work, give me another one", but maybe I can make it work without it?
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gpspassion

93884 Posts

Posted - 05 sept. 2006 :  03:02:12  Show Profile  Visit gpspassion's Homepage  Reply with Quote
Hard to tell for sure without knowing what you did, but it's a mouse GPS so you can't "lose it" like you could lose a bluetooth GPS, just select the proper port and select "synch".

Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer?
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siriusproject

Estonia
2 Posts

Posted - 05 sept. 2006 :  09:41:54  Show Profile  Reply with Quote
That doesn't help (yes it's a mouse GPS). Oh, nevermind, I returned it by warranty already, waiting for the new unit :)
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andreju

Slovenia
5 Posts

Posted - 05 sept. 2006 :  12:17:16  Show Profile  Reply with Quote
Hello people, I'm new to posting on this forum, though I've been reading it quite some time, and I do appologize if my question is slightly off-topic, but it seems that most GPS specialists reside in just this thread :-)

I have a SiRF3 based GPS receiver, the Haicom HI-204III USB model (SW seems to be somewhat proprietary, SiRFdemo reports it to be 311.000.000-LD01, though I'm hoping this would at least in some terms mean 3.1.1). I have it in my car and it is constantly powered through USB from my car pc. When I am normally driving along, the GPS has always a good lock of 6-11 satellites (at least that's what the GPS software is telling me), and everything is fine. If I drive through a tunnel or something obstructing my GPS, when I come out, I get instantly the lock back. But (and there is a big but), every time I leave the car overnight in the garage, in the morning I am dead in the water. The GPS takes forever to lock - if I drive away normally (which I usually do since I don't really have the time to stay in the driveway for half an hour), I have no lock. I get a satellite or two at most, but that's it. Then, when I come to my workplace, where my car is in the open and the GPS has a clear view to the sky, and if I come back after, say, half an hour, my GPS is neatly locked and navigation is excellent. When I look at it now, when it's locked, I have a C/No on at least three satellites above 30.
What I'd like is that when I drive out of the garage, my GPS would relock from where I left off couple of hours ago. Is this even possible in the GPS world? Is my signal level too low when I come out and the ephemeris data somehow lost or invalid because too much time has passed? Is there anything I can do to improve this?
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Carl@SiRF

USA
159 Posts

Posted - 06 sept. 2006 :  01:09:22  Show Profile  Reply with Quote
Your software version is 3.1.1. The problem you are seeing is actually two problems. One, the software is in a deep search mode (you left it powered while in that garage, I'll bet), and it is going to take a while to find satellite. Second, that version of software had some tight limits on startup, and when there is a velocity it won't accept the solutions. The fix is simply to turn it off and back on. Or leave it off when you get out of your vehicle.

Carl - SiRF Customer Support
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andreju

Slovenia
5 Posts

Posted - 07 sept. 2006 :  10:31:53  Show Profile  Reply with Quote
Hi Carl,

thank you very much for your feedback. My PC is constantly on standby when the car is off, which means that the USB is also powered and hence the GPS is powered. How does the GPS normally find its way out of deep search mode? What I normally see is that it finds one satellite - just today I drove out of the garage and was watching it closely - it found one with the C/No of around 34, I stayed put for a minute or two but nothing has happened, and then drove away. I'll try turning it of an on tomorrow and see whether there is a difference or if I'll have problems because of the built-in backup battery that I'd need to discharge first too.
Is there a newer version of the SW that doesn't have such problems, that'll also lock if I'm driving? Or is there a software way to put it out of its misery (i.e. out of deep search mode)?
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Marvin Hlavac

Canada
6904 Posts

Posted - 07 sept. 2006 :  15:59:50  Show Profile  Visit Marvin Hlavac's Homepage  Reply with Quote
I don't recall experiencing this issue with SiRFstarII based receivers, but I often experience it with my SiRFstarIII based GPSlim236 by Holux (and I also heard a few other users experiencing it with SiRFstarIII based USB GPS mice). It happens to me in the exact same scenario as described by Andreju. When I enter an underground garage for several minutes and I keep my PC turned on, then upon exiting the garage the receiver will no longer get a fix on satellite signals (even if I then sit outside for 30 minutes). The receiver will get a fix immediately after I turn it off and then back on.

Marvin Hlavac
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gpspassion

93884 Posts

Posted - 07 sept. 2006 :  16:02:13  Show Profile  Visit gpspassion's Homepage  Reply with Quote
I think that was the "tunnel" problem that got fixed on the v3.2 versions that Garmin released for it's SiRFstarIII based systems, unfortunately it hasn't made it to any Bluetooth GPS receiver as far as I know.

Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer?
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Marvin Hlavac

Canada
6904 Posts

Posted - 07 sept. 2006 :  18:06:37  Show Profile  Visit Marvin Hlavac's Homepage  Reply with Quote
If that's the case that's a good news. It's not an issue for me since I know I need to restart the unit. But it's good to know the issue has been addressed for future units :-)

Marvin Hlavac
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andreju

Slovenia
5 Posts

Posted - 07 sept. 2006 :  23:27:38  Show Profile  Reply with Quote
Ok, it's slightly less discomforting to know I'm not alone with this issue ;)
Anybody know if there are USB GPSes available with this issue fixed or, even better, if there is a firmware for my GPS to fix this? ;)
I'm also using the Garmin GPS18 and sometimes also have problems with acquiring a fix (it also takes forever sometimes), could be related to it not having enough signal (now I got a little more education on this topic :) ); today it was fixed though 100% and the Sirf3-one didn't get a fix for quite some time more. So tomorrow morning I'll first try to check what happens if I sit still for a minute or so with the Garmin, if I get a normal fix. Then try unplugging and plugging in the Sirf3 one and see what happens. Then ditch the Sirf3 one and plug in a Sirf2 based one and see what happens...
I have a problem with bluetooth receivers since I want to stash the GPS away somewhere, so I won't have access to the power button - I need it to be turned on when my PC turns on. Since I have constant power, can I turn off power saving on the bluetooth receiver and this way persuade it not to turn off when there is no communication?
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