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Pocket GPS World :: View topic - Does The UK Rely Too Heavily on GPS?
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Does The UK Rely Too Heavily on GPS?

 
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MaFt
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PostPosted: Wed Jan 31, 2018 3:54 pm    Post subject: Does The UK Rely Too Heavily on GPS? Reply with quote

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We're not talking about driving here - even though I would hazard a guess that most drivers these days rarely use a map or know how to use a compass... But does the UK infrastructure rely too much on GPS?

The government think it might and are now reviewing the risks of becoming too reliant on GPS and how they can get a back-up system in place. A previous report estimated that 5 days of GPS disruption could cost the UK over £5 billion - that's certainly not to be sniffed at!

One obvious effect, if Global Navigation Satellite Systems (GNSS) such as GPS were disrupted, would be on the emergency services. GPS is used to dispatch ambulances and police as well as tracking the location of emergency services. It would mean no satnavs for deliveries and regular drivers. What about security firms transporting large sums of cash - they wouldn't be as easy to track. Aircraft and ship safety could be compromised leading to the shutdown of air and sea ports - vital parts of the economy.

However, GPS isn't just about location and navigation. GPS relies on atomic clocks that give incredibly accurate times (that's how your receiver works out where you are) and these times are used by financial institutions as well as the National Grid. The accurate times from GPS are used for accurate timestamps on financial exchanges and for synchronising the transmission of energy between electricity substations.

Jamming devices are relatively easy to come by and in recent years we've seen a rise in use of them on a major scale for example in the Black Sea sending ships off-course. One of the things the UK government will be looking at are ground-based back-up systems.

"We must take steps to increase the resilience of our critical services in the event of GNSS disruption, including by adopting potential back-up systems where necessary," the minister for implementation, Oliver Dowden, said in the report. "We will carefully consider the findings and recommendations as we continue to improve the resilience of our critical services to disruption," Dowden added.

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sussamb
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PostPosted: Wed Jan 31, 2018 4:01 pm    Post subject: Reply with quote

In the ambulance service, at least the one I was in, we had back up map books. Needed not just if GPS failed or didn't work, as happened in particular on one specific car and nobody could work out why, but also when the overall system went down so we had no display terminal in the vehicle.
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M8TJT
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PostPosted: Wed Jan 31, 2018 5:38 pm    Post subject: Re: Does The UK Rely Too Heavily on GPS? Reply with quote

News Team wrote:
One of the things the UK government will be looking at are ground-based back-up systems.
Let's all go back to Gee, Chain Home and Oboe etc.
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Kremmen
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PostPosted: Thu Feb 01, 2018 5:15 am    Post subject: Reply with quote

If I knew what they were Question

I've got map books but they are indoors, and probably last century.

Still, Google Map would still launch. Just wouldn't show where you are.

Also, on the bright side, our Honda units have AI linked to vehicle sensors to keep a rough guess of where you are if the unit loses GPS.
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M8TJT
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PostPosted: Thu Feb 01, 2018 8:25 am    Post subject: Reply with quote

Are they? Perhaps that's what makes mine drift off piste occasionally. Shocked
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sussamb
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PostPosted: Thu Feb 01, 2018 8:35 am    Post subject: Reply with quote

Kremmen wrote:

Still, Google Map would still launch. Just wouldn't show where you are.


As of course would your satnav or GPS. I never carry maps anymore when hiking, instead using a GPS as my primary nav aid with my phone as a back up. Often get fellow walkers saying "but if the GPS system fails you'll be unable to navigate" until I point out I would still have an 'electronic map' Very Happy
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M8TJT
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PostPosted: Thu Feb 01, 2018 8:53 am    Post subject: Reply with quote

And an electronic compass.
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sussamb
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PostPosted: Thu Feb 01, 2018 9:39 am    Post subject: Reply with quote

Not on my preferred GPS, so I carry a 'normal' compass just in case Very Happy
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M8TJT
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PostPosted: Thu Feb 01, 2018 11:08 am    Post subject: Reply with quote

No compass on your phone? Shocked
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sussamb
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PostPosted: Thu Feb 01, 2018 12:00 pm    Post subject: Reply with quote

Nope, not on a Samsung J3 Sad
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