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[#] Tue May 07 2013 08:20:24 EDT from dothebart

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a device for a task. a modern garmin gps edge 8xx lasts 17hours, and has auto power off if you don't move for 10 minutes.

The floating point operations to do the triangulations are whats draining the bateries most; my older 705 lasts 7 hours.

If you put it into a metal cookie box (so it can't do GPS calculations...) it will last several days.

Unless you find more energy saving ways for the fp operations, GPS will always be the primary energy drain on your device, be it a dedicated unit or your mobile.


Achilles Heel was not meant in the direction of day to day operations, but rather the whole lifespan which the device can reach until it looses functionality terminaly.

currently it seems my flash in the garmin wears of :-( so it will not die from dead USB data/charging interface...

[#] Sat May 25 2013 22:02:48 EDT from IGnatius T Foobar

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Interesting. So the power sucking of a GPS phone isn't the receiver, but the calculations?

[#] Sun May 26 2013 07:14:44 EDT from dothebart

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think about it. its a data signal in the lower baud areas.Position of the satelite, current time of the clock in the satelite.

its just an inbound radio receiver - no sending. Just an antenna, an amp, and thats it. Whats following then is floating point calculations over and over.

For shure if you don't have a GPS-Signal, the GSM Signal could be weak also. In that case the mobile pumps up the volume of the sending radio - which then in term eats your batery.

[#] Sun May 26 2013 12:24:31 EDT from IGnatius T Foobar

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Modern mobile devices have really powerful GPU's ... often, several of them.
How long will it be before someone figures out that this is the *perfect* application to offload to a GPU?

[#] Sun May 26 2013 20:27:29 EDT from zooer

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I think someone just thought of that.

[#] Fri May 31 2013 12:17:10 EDT from IGnatius T Foobar

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Motorola (Google-rola?) is finally getting ready to release its next major line of Android phones.

"Moto X" will supposedly cost far less than Apple or Samsung, despite being manufactured in the United States.  This line is the culmination of two years of work following Google's purchase of Motorola Mobility in 2011.  Its most interesting new feature is its ability to react contextually based on what it thinks you're doing (phone is in your pocket vs. phone is on the car dashboard etc)

I'd very much like to make my next phone a Moto, based solely on the premise that it's the only manufacturer that is guaranteed to never pay the Microsoft tax for their patent-protection racket.

[#] Mon Jun 17 2013 18:02:59 EDT from the_mgt

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I think I will preorder a Jolla phone for 100€ at the end of the month, I have yet to use an android gadget that isn't totally ugly and counterintuitiv to use. They make me totally mad within minutes. What I saw of Sailfish until now pleases my eye and makes sense from a usability point of view. I also hope they will have a QWERTZ keyboard as Other Half.

[#] Wed Jun 19 2013 00:36:47 EDT from TheOneLaw

Subject: linux telefony

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Anybody see a stock linux package for making

 voice calls through a GSM modem ?


(for transforming a linux tablet with gsm modem into a telephone!)


I see quite a few  efforts (after trying Wammu-Gammu )

 but nothing we can just compile configure  just yet.


The android stuff seems out of reach

 and the ubuntu touch is still vaporware,

 and everything I have seen is just not right yet.




[#] Wed Jun 19 2013 01:26:54 EDT from dothebart

Subject: Re: linux telefony

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shouldn't there be some in the nokia/intel linux thing? meego / mameo?

[#] Wed Jun 19 2013 10:18:21 EDT from the_mgt

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Open-moko had a kernel for that, one for sending and one for receiving....

[#] Wed Jun 19 2013 12:30:55 EDT from TheOneLaw

Subject: Re: linux telefony

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I have 3 n900's Maemo and the telefony is all closed source. (Nokia was a good fit for M$...)

Meego was such a fustercluck I never even looked, it was painful to visit.

Maybe I will revisit that cesspool now that you remind me.

That said, I thought the telefony there was supposed to be all locked

 down as well, as planned from the gitgo but will check up on it. thanks.

Wed Jun 19 2013 01:26:54 EDT from dothebart Subject: Re: linux telefony

shouldn't there be some in the nokia/intel linux thing? meego / mameo?


[#] Wed Jun 19 2013 12:38:14 EDT from TheOneLaw

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That seems to be the general deal across the board,

 it appears that every effort to make telefony in linux starts

 with borking a perfectly good linux kernel

 to fit whatever their design tangent is.

I know the linux kernel has some latent issues,

 but surely there must be a better way.

Wed Jun 19 2013 10:18:21 EDT from the_mgt

Open-moko had a kernel for that, one for sending and one for receiving....


[#] Wed Jun 19 2013 14:08:42 EDT from dothebart

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nowadays mobiles are computers attached to modems.

the dialer app is talking at to that modem. So it can't be that hard afterall

[#] Tue Jun 25 2013 12:01:13 EDT from IGnatius T Foobar

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OpenMoko is still alive? Wikipedophilia suggests that it was "beaten down by the recession" but it seems more sensible that anyone who wanted a Linux Phone now has one in the form of Android.

[#] Thu Jul 11 2013 10:25:29 EDT from IGnatius T Foobar

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For those of you in the US ... if you're not using T-Mobile, you should be.

I spent my morning commute on the phone with T-Mo customer service. I asked them to review my bill and determine whether a new plan would be a better value.

At the end of the call, my monthly bill was reduced by $35 and I got data added to my son's line.

[#] Sun Jul 14 2013 00:31:05 EDT from the8088er

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My only problem with T-Mobile is that I enjoy having reception where I live (TX).

AT&T and Verizon are the carriers of choice here. I went with AT&T because at the time they were the only ones with iPhone when I switched from Sprint (with my Treo, on which I had rather limited service). I have stayed with AT&T because VZ iPhones still are not able to handle voice and internet at the same time.

...and I usually have reception. Usually.

[#] Sun Jul 14 2013 09:34:19 EDT from zooer

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I would agree, T-Mobile's problem is reception. My sister had T-Mobile in Indiana and she probably had
it in Atlanta, here she has no coverage.

[#] Sun Jul 14 2013 20:45:26 EDT from IGnatius T Foobar

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I evaluated T-Mobile in the mid 2000's and found their network unusable.  Then I looked at them again in 2009 and was very pleased with the improvement.  They've been good, and they're getting better.  When the sale of T-Mobile to AT&T fell through, AT&T had to pay them $4 billion and hand over a bunch of spectrum as a penalty.  They used that money and bandwidth to build an LTE network.

[#] Mon Jul 15 2013 07:36:39 EDT from fleeb

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Well, T-Mobile has the other problem of having nearly completely shitty customer service. Pray you never have to work with them to resolve a problem. They will lie to you, shift you to others, and otherwise try to get you off the phone so they don't actually have to solve your problem.

[#] Mon Jul 15 2013 20:51:11 EDT from Sig

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I no longer wished to have a contract plan last year, so I bought a
cheap phone at Wal-Mart with a prepaid misanthrope special plan:
unlimited data, unlimited text, 100 minutes for $30 per month. (I have
used all of my minutes only once. Usually, I average about 20.)

I called T-Mobile to try to port my phone over from our existing plan to
the new prepaid plan. I spoke to 7 people in 45 minutes. The long and
short of it was that I could port my number, but it would take 60 days,
during which time I would need to pay for both services.

I have a new phone number.

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