[time-nuts] Re: UTC Backbone in Europe

[Hal Murray]

W3AB said:
> As y'all know, GPS jamming is easy. We need to have an alternative. 

How hard is it to jam Loran?  Or WWVB, JJY, MSF, and other low frequency 
time signals?  How about the not so low frequencies?

What are the units of jamming difficulty?
  watts per square kilometer?
How would you scale that by the difficulty of building the antenna?


There is an interesting table of radio time stations in Wikipedia's Radio 
clock page:
  https://en.wikipedia.org/wiki/Radio_clock
I didn't realize how many there are.


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