http://forum.xda-developers.com/showthread.php?t=1476962
This is a patch meant to fix GPS signal on Android phones. This link in
particular is for the Galaxy S2 but it states the fix will work on any Qualcomm
chipset. It may be worth a try on the Streak.
Date: Wed, 24 Oct 2012 18:33:56 -0700
From: morh...@gmail.com
To: xcsoar-user@lists.sourceforge.net
Subject: Re: [Xcsoar-user] Dell Streak GPS issue
I've only experienced the GPS signal loss once, but it was frustrating,
admittedly only because of the lost IGC file. After that I borrowed a
Soartronic bluetooth adapter and tried it with the external data from my
PowerFlarm. So far that combination has worked flawlessly with about 20hrs of
flight time.
At least the combination of a Powerflarm, Soartronic BT (or IOIO board) and a
Streak is still less than any of the panel mount systems like a Clearnav.
On Wed, Oct 24, 2012 at 9:34 AM, David Anisman <david.anis...@gmail.com> wrote:
This is my experience.
I have been using the Streak's internal GPS. With xcs version 6.4 I
noticed on multiple cases, mid-flight, the screen and infoboxes will
freeze while the touch screen is still responsive. So I could bring up the
menu, Quit and
restart. After a short while, it would happen again. Then XCS will say it is
now waiting
for a GPS fix. I quit again and start an app for checking the GPS
status. And indeed, the Streak is unable to get a fix. Weird. All this during
flight. And would stay that way for at least an hour, but also even until the
end of the flight.
So I got another brand new Streak from EBay, and the first time I
flew with it, same exact thing! During the flight I pulled out my first
Streak, started it and it was fine! So at the same time one is
working (the fresh but older one) while the other (the new) is unable
to get a fix for the remainder of the flight.
Up until now I had suspected that the on-board GPS of the Streak is a marginal
design. And XCS is not recognizing this particular anomalous situation
when it initially happens, so it freezes. I did notice from
the beginning that the time to get a fix with the Streak is unusually
long, so I
suspected the chip-set is not state-of the-art.
But after reading the comments here, it may be that it is a f/w issue on the
Streak. Don't know.
For the next season
my plan is to use my new PowerFlarm as the GPS source for the Streak
via BT. I still like the Streak a lot and would still recommend it, with
this caveat though. At least until we have reliable work-around.
David
On Wed, Oct 24, 2012 at 4:59 AM, niv levy <nivl2...@gmail.com> wrote:
On Wed, Oct 24, 2012 at 4:42 AM, Ian <ian-xcs...@zsd.co.za> wrote:
> On 24/10/2012 06:50, Ramy Yanetz wrote:
>
>> We, including myself, often recommend the Dell Streak as the best
>> platform for XCSoar. While it has indeed an excellent sunlight readable
>> display, it has poor GPS. I received multiple feedback from people I
>> recommended to purchase the Dell Streak that it takes very long time to
>> acquire the GPS signal, and occasionally the GPS stops working for
>> hours. In at least one case someone bought a new unit believing he had a
>> faulty unit. Those of us who use it with external GPS source may not be
>> aware of it, but some want to use it stand alone, and as such this may
>> not be their best option. I suggest we mention this issue whenever we
>> recommend it.
>
> I have been using a Streak for over a year. While I use XCSoar with a
> IOIO card connect to Flarm and gliding computer for flying, I also use
> the Streak for mountain biking, with its internal GPS. I log my rides
> using "MyTracs" application, and I have also played with other GPS
> software for mapping, navigation, geo tagging etc. I have noted the
> following:
>
> - When I had Andriod 2.2.2 installed, the internal GPS was faultless and
> I accumulated many logs of cycling GPS tracks without any errors.
>
> - Since I flashed Olleh 2.3 version, I have started having GPS issues.
> But the problems are not consistent, some applications, like the free
> "See You Recorder" IGC logger consistently have issues, while others
> applications do not. I can also get SY Recorder to work or stop working
> by opening and closing other GPS applications.
>
> - I have played with an application "GPS Status". Sometimes when there
> are problems, I open GPS Status and it shows no satellites at all for a
> long period, but if I close all GPS applications then open GPS Status it
> very soon starts picking up satellites, even if it takes a while to get
> a fix.
>
> - The few occasions I have used internal GPS with XCSoar, it worked fine.
>
> I suspect this is a software issue and it may have something to do with
> settings for AGPS and "Google privacy". Maybe it is related to a change
> of behaviour of different GPS API's provided by Android with the
> different OS version. I have not done any systematic testing and this is
> a bit off topic for XCSoar. But maybe the developers can comment.
>
> I never had any GPS problems with my Streak running Android 2.2.2, so I
> don't think that this is a GPS hardware issue.
>
> Ian
>
>
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Hi,
oddly enough, i've seen almost the opposite behavior - when i was
running the stock firmware the gps would seem to take a long time
(minutes?) to get a fix, while since i've flashed to 2.3.7 the gps
has been fine - it gets a cold fix in ~30 sec, and i haven't had any
trouble while running xcsoar (about 8 flights / 15 hours). In any
case, it does seem to be a software issue.
niv
p.s. i tried olleh, but it crashed constantly, so i tried 2.3.7
(following the link and instruction posted on this list a few months
ago) which has been mostly fine so far - i.e. i've seen some crashes,
but not with xcsoar (once i stopped leaving the streak uncovered in
the cockpit prior to flight)
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