Questions tagged [gps]

Devices for navigation and location that make use of the data transmitted by the Global Positioning System, the network of satellite transmitters in orbit about the Earth

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23
votes
4answers
22k views

Why does GPS on the iPhone use so much power?

I keep reading in articles that GPS on the iPhone, or any cell phone for that matter, uses a lot of power, but I've never heard an explanation of why. Why is this? The phone doesn't have to transmit ...
19
votes
10answers
14k views

Does the iPhone GPS work in an airplane cruising between 30000-40000 feet?

I have a very basic question: if I enable GPS in my iPhone when in an airplane cruising at an altitude between 30000-40000 feet (roughly 9-12 km), will the GPS actually give valid data? I read a ...
17
votes
5answers
16k views

How does my iMac know my location in the maps app, given that I use a VPN that has my IP about 200 miles from where my address is?

I have an iMac (Mid 2011, if it matters) and I just installed Mavericks. When I launch the Maps app, it knows PRECISELY where I am, which I could certainly understand if it was using IP geolocation. ...
16
votes
6answers
21k views

Does airplane-mode disable GPS?

According to http://support.apple.com/kb/ht1355 airplane-mode on the iPhone shuts off Wi-Fi, Bluetooth, ...GPS. My understanding is that GPS-devices only /receive/ GPS signals, they don't ...
12
votes
6answers
14k views

Why does iPhone Maps app sometimes ask to enable Wi-Fi for “accuracy”, even though Location Services (GPS) is enabled?

Background: I have an iPhone 3GS with iOS 5.1, and a 3G data plan that I keep enabled. I also keep "Location Services" (GPS) always on, since I use applications that take advantage of it. However, I ...
11
votes
6answers
30k views

Can iPhone 4 use GPS when out of cell tower range?

There seems to be some dispute on whether the iPhone can still get a GPS signal when out of cell tower range, see this archived Apple support thread, for example. I had a friend out in the woods ...
11
votes
2answers
5k views

How does iPhone 5 get indoor altitude?

As far as i know, there are only two ways to get altitude, by GPS or by barometer. GPS is not usable in indoor room, And iPhone5 doesn't have a barometer. But iPhone 5 can give a relative accurate ...
9
votes
2answers
40k views

An iOS GPS application that shows satellite locations and lock-on details?

I'm a big fan of Kinetic and use it track my bike rides as well as map the local trails. Lately it's been giving me some grief though and telling me I have a weak GPS signal at the outset of rides. It ...
9
votes
2answers
2k views

Do two (or more) apps using GPS share the same location data stream?

When an app calls for GPS data, does it activate the GPS call itself and then when another app simultaneously running calls it does it make a separate call? Or when the second app accesses the GPS ...
9
votes
1answer
11k views

What is gs-loc.apple.com?

I have little snitch installed and every time I resume my macbook pro gs-loc.apple.com on port 443 wants to connect. I'm thinking it's to find your location so that iCloud can display it. the exec is ...
9
votes
1answer
808 views

Does the iPod touch have a GPS?

Does the iPod touch have a GPS? If not how, does it know where it is and how dependable is it?
9
votes
1answer
2k views

Can my iPhone tell me where I have recently been walking?

I sometimes get very fuzzy short-term memory after a neurological event. When it happens, I'm told I often leave and take a walk. I want to use my iPhone to figure-out where I end-up walking when this ...
8
votes
1answer
47k views

Why did my iPhone's GPS tracking get so bad?

I started using the Nike+ GPS app on my iPhone 4 (not 4s) to track my running in summer 2011. The GPS measurement of runs was pretty consistent: runs on the same course would vary as much as a tenth ...
8
votes
7answers
13k views

Are there any GPS recording applications for the iPhone?

I was wondering if there was an iPhone application that would continuously reads the GPS location and saves them for later analysis. For example, I would like to be able to tell where I was at certain ...
7
votes
3answers
3k views

Did Apple degrade the accuracy of the iPhone 4S GPS compared to the iPhone 4

I have done some extensive testing of my iPhone 4S compared to my iPhone 4 and found GPS accuracy has suffered substantially. I've been using the 4 for about a year, riding a bicycle on a 3 mile loop ...
6
votes
2answers
10k views

How is my iPod Touch able to determine my location when I'm offline?

When I'm traveling through a city, as long as there are wifi networks nearby (even if they are secured with a password), my iPod Touch can determine my current location with great accuracy—obviously ...
6
votes
2answers
6k views

Why do only some images received via iMessage have GPS data?

I've noticed that only some of the images I receive from a friend of mine (who also has an iPhone 5) have GPS data. (I test this by saving the picture and using a photo app to read the metadata.) I ...
5
votes
9answers
20k views

Is there an app to disable everything but GPS on iPhone?

I use my iPhone 4 as a GPS device when I go tramping, but since the phone is constantly searching for signal in remote locations it drains through the battery extremely quickly. The simple solution ...
5
votes
3answers
531 views

will running Google Latitude (or any similar app) in the background significantly affect battery life?

I have installed Google Latitude and am wondering how much quicker my battery will run flat? I know the way Apple implemented its "mutitasking" framework minimises the impact?
5
votes
2answers
3k views

Do location-aware apps work on the iPod touch?

A lot of iPhone apps use GPS positioning to provide services. However, the iPod touch does not have GPS capabilities, although it does have WiFi-based location services, if I'm not mistaken. Do ...
5
votes
3answers
11k views

when the GPS is enabled, does it drain battery?

if the GPS is enabled, but the app doesn't use it, does it drain battery? (I understand that GPS drains battery because it requires a different component to be charged up.) Or the fact that the GPS is ...
5
votes
3answers
5k views

iPhone app to follow/navigate an imported .gpx

Is there an iPhone app that allows one to follow an imported .gpx track, in a car navigation-like way? The apps I found so far, like Trails, can only display the track on a map. What I am looking for ...
5
votes
8answers
146k views

How accurate is the location detection on the iPhone's Find My iPhone app

How accurate is the GPS on the iPhone's Find My iPhone app? I used Find My iPhone app to track a friend. The first 3 stops were dead on but when it refreshed it showed them to be several streets over ...
5
votes
1answer
3k views

How accurate is the GPS chip in the iPhone 4?

I was just wondering what the published accuracy of the GPS chip in the iPhone 4 was...? I also understand that increased accuracy can be had if the hardware has WAAS capabilities. It is this true? ...
5
votes
3answers
329 views

iPhone 3G GPS is unreliable; seems to use assisted-gps only

A few months ago the GPS in my 3G has become really unreliable. The blue circle in google maps looks to be about 2 miles in diameter, and never shrinks to a pinpoint. Apps like RunKeeper can never ...
5
votes
5answers
5k views

Make iPhone use GPS-only location services

The question is as simple and clear as it sounds. When celullar data and Wi-Fi are turned off on my iPhone 6, location services work great and I get my location in a moment with a precision of 1-2 ...
4
votes
6answers
9k views

iPhone 4S loses GPS accuracy

My iPhone 4S is 2 years old. Today, the accuracy of the GPS is really bad. Before, it worked very well… I tried to restart but didn't help. Is there any way to know if this is a hardware error? I ...
4
votes
3answers
2k views

Can I use Automator or some other method to extract EXIF GPS data from batches of photos on my Mac?

I need a way of extracting EXIF GPS data, using my Mac, from a bunch of photos taken on an iPhone. So for example, if I put 1000 photos into a folder, I want an easy way of extracting all the GPS ...
4
votes
2answers
4k views

Get the GPS coordinates of a photo in Mac Photos.app

In Mac's Photos.app, how do I get the GPS coordinates of a photo? If I go to a photo and click on the "Get Info" button, then I can see a map with a pin indicating where the photo was taken, but I can'...
4
votes
1answer
11k views

iPhone EXIF/GPS Timestamp - Appears to be based on local settings?

I was under the impression that the iPhone received timestamps along with GPS location data. While I can't say its not true for the internal database, it seems to be for the EXIF data attached to ...
4
votes
2answers
2k views

GPS Exif from iPhone photo upload in Safari?

Safari strips the GPS metadata from uploaded photos. Is there any way to stop this? Visitors to my photo sharing website use a simple HTML form to select a photo from their phone: <input accept="...
4
votes
1answer
1k views

iPad 3G A-GPS without contract

Is A-GPS also working without an active 3G contract? Say I buy an iPad 3G with an operator SIM card in place but don't pay for 3G service, will A-GPS still work or not?
4
votes
1answer
13k views

iPhone: how to see if GPS is working

Is there a way where I can see if GPS is working? Or what the location service is using right now and why it is not using GPS? (Because the location service has become very inaccurate after a recent ...
4
votes
1answer
8k views

Sharing GPS signal to a Wifi-only iPad

I want to share live GPS data from an Android smartphone to my iPad (4th generation wifi-only). I've read about BTstacks and other jailbreak tweaks, but I don't want to jailbreak! I have also read ...
4
votes
1answer
78 views

Concern with location sevices on previously owned iPad

I bought an iPad off of Craigslist, I wiped it clean and set it up as my own. Is there any way that the previous owner can view my location? Either with MobileMe or find my iPad?
4
votes
1answer
663 views

Sort photo collection from iphone into folders by year, month and city/region

I'm using Photostream to wirelessly sync the photos on my iPhone to my computer. In time my photo collection grew bigger and bigger and since Photostream just dumps everything into one folder I'm ...
3
votes
4answers
6k views

What's a good sports tracker app for iPhone?

I'm looking for an app for tracking activities like walking, running or bicycling. Lots of people I know with Android or Nokia phones use such apps, but I don't know what's a good option for iOS. ...
3
votes
3answers
13k views

How can I use an iPhone to “tag” a location using GPS so I can bookmark a location?

I need to tag a "location" of interest such as An nest or hive out in nature where no cellular service is available Location of a good view on a mountain (where no cell service is visible) Location ...
3
votes
1answer
667 views

Can GPS be used by more than 1 app at a time

I'm looking at various apps which use GPS tracking, and was wondering if more than 1 app at a time was able to gain access to the GPS data? For example I might want to use one app with route planning ...
3
votes
1answer
9k views

Does a deactivated iPhone 4 still have GPS capability?

I just got my iPhone 5, and I deactivated my iPhone 4. I am wondering if I can keep my iPhone 4 as a iPod that I run with. Question is can, my Nike+ app still accurately track my runs? I would much ...
3
votes
2answers
3k views

iPhone app to point me back to a waypoint (like a computer game)

I'm looking for an app which I can use to find my camper in the desert after going for a walk, or find the b&b i left my bags in after exploring a new city. I'm hoping for something really simple ...
3
votes
2answers
322 views

Driving down the road and GPS works on iPod?

I was riding in the car today and the as I was traveling home, decided to pull up maps on the iPod. I know that GPS isn't used by iPod and uses wifi to triangulate it's position. However I wasn't ...
3
votes
1answer
4k views

GPS on iPhone 6 is not accurate or working at all

1 week ago my GPS worked very accurately on Google Maps. But now it's very inaccurate, seems like it works using 3g connection. What steps i did: Restarted phone; Reset network/location privacy ...
3
votes
2answers
2k views

Extract a GPS track (as .gpx) from a series of jpg photos

I have a bunch of .jpg photos containing GPS information. What is the easiest way to extract the GPS information and save it into a .gpx file (or .kml, for that matter)? I have seen this answer ...
3
votes
1answer
2k views

Improve GPS accuracy by disabling cellular data

I need my iPhone 7 Plus GPS accuracy to be very precise (without continously changing the blue dot position). My cellular data connection is often sloppy. Does disabling cellular data improve GPS ...
3
votes
1answer
159 views

iPhone 6 GPS problem on Pokemon Go

Recently when I'm playing Pokemon Go I get a message saying I don't have a GPS signal. Some people told me it could happen because the battery is pushing on the GPS component in the iPhone 6 model. ...
3
votes
1answer
14k views

iOS 11 and GPS accuracy on iPhone (6+)

GPS on my iPhone 6+ has always been accurate. Amazingly accurate. Most of the time, it took only a few seconds to pinpoint my location on any app using GPS, Apple Maps, Google Maps... This has been ...
3
votes
1answer
744 views

Apple Watch app for hiking

What's your favorite Apple Watch app for Hiking. I'm looking for something that provide this features: Integration with Health and Activities (i.e. calories, heartbeat, distance, GPS map, workout etc)...
3
votes
1answer
2k views

Why do Downloaded Google Maps expire after 29 days? [closed]

I am assuming when the map expires, that I am SOL if I try to use it. Within the Google Maps app, one can download maps for offline use: great when traveling abroad, especially when there is no ...
3
votes
1answer
876 views

Need offline iOS GPS app for Southeast Asia

Looking for recommendations for a good offline GPS tracker for SE Asia (Singapore, Cambodia, and Thailand, specifically). I was looking at Gaia GPS, but I can't quite tell from their site if they ...