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This may well be one of those 'laws' or rules that is ultimately unenforceable. There are so many mobile phones entering China daily in tourists' pockets, all of which are able to use GPS. I imagine …

Same as anywhere else in the world, in terms of the space-based GPS system and receiving the signals from those satellites. The main difference would be with A-GPS (assisted GPS) which can use wifi n …

A bit more searching and I've found Vesselfinder's QM2 page. Getting closer, I've found Crusein Me Ship Tracker, which looks promising... And The Cruse Village has a Live Ship Tracker:

Yes, Google Latitude! Ok, last year they merged it with google+, so now it's just under locations in that app, but it allows you to share your GPS location with other contacts or friends, on a pinpoi …

The past couple of months I've been travelling in the US, Canada, Japan, Taiwan, Singapore, Australia, and New Zealand. I didn't want to pay for data for Google Maps (although I did in a couple of pl …

Firstly, WGS84 is a considerably different format to regular Lat/Long coordinates. Indeed, from a question on Stackoverflow, looking at the code to convert (if you were a programmer), it's quite a co …

I tested this once on a flight which claimed it was fine, once you'd taken off, and not during landing - to use devices like this. I have an app on my phone (MyTracks) which is meant to track you whe …

It's pretty ridiculous that I've seen airlines ask for these to be turned off at times. By definition, GPS is receive-only - it sends out NOTHING, so really the watch part of your watch probably emits …

Firstly, even if you COULD get offline Google Maps, it's not that useful in non western countries. Murmansk - the largest city in the arctic circle, is shown as just two streets in Google Maps. Most …

In addition to Gagravarr's answer, some phones will use A-GPS, where they use surrounding cell-towers or wifi to give themselves a headstart in locating their position. Certainly the position of sate …