Escape from a locked car

It uses the data transmission functionality of SMS i.e. it is more akin to a 'text message' (but one that won't appear in the user-facing message store) and hence requires only the signalling path of the base GSM service rather than the packet switched data extensions which, as you say, might well be turned off or otherwise not available.

Reply to
Mathew Newton
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No, it says it can use either HTTPS (which needs mobile data) or Data SMS (which I'm presuming doesn't - unless *data* SMS uses a different carrier to ordinary SMS).

It says the "Location is computed on the handset" - does this mean that GPS must be turned on, or does it use some other technology? Maybe ELS temporarily turns on GPS even if it is turned off in the phone's pull-down menu of receivers (GPS, Wifi, mobile data, Bluetooth).

Reply to
NY

losing

Reply to
Tim Streater

On Android the location API provides a 'fused' location service i.e. it combines information from multiple sources to improve/maintain accuracy depending on what sources - such as GPS, known WiFi APs, GSM cell IDs etc - are available. It'll temporarily override any Location setting you might have previously set, unless you've disabled the ELS functionality entirely whose setting that will be honoured. The mobile provider might still provide cell tower triangulation location information but it is much less accurate (particularly if there aren't enough visible towers to triangulate against).

Reply to
Mathew Newton

Very much the case. Plurals and (near) homonyms should not be in the dictionary. And even if they are, they most definitely should not be within a few miles of each other - they should be a "stupid distance" apart so any ambiguity or mishearing makes it very obvious which is the right one.

I still like numerical references (OS and lat/long) because you can relate two locations: AB123456 and AB124456 are 100 metres apart in the east-west direction, and AB123456 and AB123457 are 100 metres apart in the north-south direction.

They are also public-domain rather than being proprietary, so they are available, both for encoding and decoding, to everyone for free.

For premises (as opposed to road locations that are not in a built-up areas), UK postcodes are a good way of getting to within a hundred metres or so, apart from in sparsely-populated areas where the accuracy is less. That's close enough to bring up a pointer on a map from which precise directions can be given verbally.

I suppose the perfect system would include checksums so it is obvious if a digit has been transposed or mis-heard, so the operator can ask again.

I taught myself the radio phonetic alphabet, which should avoid mis-hearing problems (M versus N, P versus D versus T). Likewise I would emphasis the difference between "fife" and "niner".

Reply to
NY

The first, the spring loaded one, or a normal spring loaded centre punch such as

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are better than a hammer and will shatter a side window effectively and with little effort.

A seat belt cutter is of limited value. Most people are used to releasing a normal seat buckle but will never have used a belt cutter of any sort.

Reply to
Peter Parry

I would agree with you from a lone driver POV, but with rear seatbelts and children with buckles that are difficult to locate, especially with child seats such I think the cutter may have value. Especially the pull variety. The push style would be utterly useless.

Reply to
Fredxx

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are a couple of American videos showing one working.

Reply to
Peter Parry

My van goes into eco mode a few minutes after the engine is turned off (and stalling it does the same thing - I tried it today to see what would happen after seeing this thread).

The electric windows would not open in eco mode.

You can open the doors with the door handle but probably not if under water pressure.

So yes windows down ASAP.

It was a tragic accident but you cannot help feeling that some of these drivers are taking the piss out of the BMW owner.

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Reply to
ARW

This is by tower location, not by GPS

Reply to
newshound

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