[time-nuts] GPS outage?

[Magnus Danielson]

On 09/05/2013 01:08 PM, Bob Camp wrote:
> Hi
>
> Ok, I'll also mention that I haven't heard of any major volcanic eruptions in the north eastern US. GPS outages would not make it on the news if there was a major Volcano doing it's thing outside Cleveland ….
Indeed. I think the problems could occur even when there is no eruption.
However, my memory is fuzzy on the details.
> If a sat went down, and did so in a pathogenic fashion, you would have an issue world wide.
Indeed. It would also show up in the GPS operational logs.
> To keep the problem local, some sort of local jamming is about the only thing that could do it. To take out an area like New England all at once you would need a fairly high flying platform with a fairly powerful transmitter.
Well, it could also be deployment of a system that does the same thing
spread out.

Cheers,
Magnus