In comp.mobile.android, on Sat, 15 Jan 2022 22:11:44 -0000 (UTC), Andy
Burnelli <
sp...@nospam.com> wrote:
>On Sat, 15 Jan 2022 16:03:50 -0500, micky wrote:
>
>> I hadn't thought about GPS so much.
>
>It would be nice to know the _one_ thing that uses the _most_ battery that
>could be left on all the time which then better should be turned off.
https://www.brickhousesecurity.com/gps-trackers/gps-accuracy/
"How GPS Tracking Works in Vehicles
Vehicle tracking systems function by using GPS signals emitted from the
device and received by the GPS satellite network. Once the satellites
determine the device’s position, the information is sent via a cellular
network to the cloud server which updates the device location on a map
displayed on a computer, tablet, or smartphone so the owner can monitor
it. "
So it seems this is sayign that the phone has to send signals not just
strong enough to reach cell towers, but to reach satellites!! High in
the sky!!
Not only that, I asked about this somewhere and was given the impression
that location calculation occurred in the device, not in the satellites,
and that made sense because then it would be distributed, each device
working on only one calculation. How many satellites are near NYC for
example. More than 3? More than 5? If there are 2 or 3 phones moving
around, just in NYC alone, 3 satellites can handle all the calculations
for all of them?
>It could be the flashlight, for example, or the display as another example,
>but I would think most people don't leave either of those on all the time.
I rarely use the flashlight and when I travel, and in the car at home, I
have another little led flashlight. I mentioned before how, for lack of
light, I broke my leg, and I don't want that again. (Although it
turned out well.)
As to the display, when learning about that Samsung emergency mode, it
mentioned dark mode, and I turned that on on both phones. But I haven't
used the phone yet. When I do I'll decide if I like it. I like the
lack of wallpaper on the phone. It made it hard to see the icons. I
don't remember having wallpaper before t he most recent update??
>But I would think plenty of people leave the GPS radio on, which, I believe,
>is perhaps likely one of the biggest _common_ battery hogs on a smartphone.
>
>> I've wanted it
>> on because when on vacation, I'm usually driving around looking at the
>> area, or even when walking I seem to want to know where I am, to decide
>> which way to turn.
>
>Nobody has to justify their use of GPS for navigation purposes.
:-)
>> Of course when I'm in the car, I can keep the
>> battery charged, but having lost weight, I expect to be walking a lot
>> more, maybe 8 hours a day. But there will be times when I'm away from
>> a charger but not moving or I know where I am and I willl keep your
>> words in mind for those times and I'll turn off the GPS.
I'll look at these tomorrow:
Why would Facebook use up the battery? They mean when someone is up- or
down-loading? People do that more than 5 minutes a day?
>Maybe someone else can weigh in on why GPS isn't listed but Facebook is?
>
>> As to battery size, maybe that should go in reply to your next thread.
>
>One thing I loved about my Samsung Galaxy S3 was not only that the battery
>was easily replaced, but that you could put a 7Amp Hour battery into the
>thing simply by buying a cheap five dollar bigger backside.
Interesting. Hadn't heard fo that though I had a laptop that would take
a bigger battery. It looked like a tumor growing out its back