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Forum: Military Aviation

15th Oct 2015, 18:47

Replies: 40

Nonsense or a sensible precaution?

Views: 9,905

Posted By deptrai

I'd argue that for critical infrastructure (on...

I'd argue that for critical infrastructure (on land), there is zero dependence on GPS. For anything that is connected to the internet, accurate time is usually provided by NTP (Network Time Protocol,...

Forum: Military Aviation

15th Oct 2015, 17:33

Replies: 40

Nonsense or a sensible precaution?

Views: 9,905

Posted By deptrai

the internet, land line telephones, mobile...

the internet, land line telephones, mobile telephones

There's quite a few land-based atomic clocks that provide a public time signal, and most devices can easily be set to use specific time...

Forum: Military Aviation

15th Oct 2015, 16:13

Replies: 40

Nonsense or a sensible precaution?

Views: 9,905

Posted By deptrai

I have my sight reduction tables somewhere, and...

I have my sight reduction tables somewhere, and in a small yacht with a fickle electrical system and no engineers/electricians, I'd also bring a sextant, if only to help pass the time, but if I was...

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