NYC events and cell phones

[Jay D. Dyson]

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On Thu, 13 Sep 2001, Angelos D. Keromytis wrote: 

> An interesting bit of information: on Tuesday afternoon, to the extend
> that cellphones operated, GSM encryption was turned off throughout
> Manhattan. My GSM phone would repeatedly warn me of this on every call I
> made (or tried to make). As of Wednesday morning, things were back to
> normal. 

	When the twin towers collapsed, down with them went a number of
cellular towers.  Coverage was immediately diminished (if not blacked
out).  As a result, the 1.9 GHz band used by GSM in the United States was
likely inaccessible until backup or redundant towers in the area were
reactivated.

- -Jay

  (    (                                                          _______
  ))   ))   .--"There's always time for a good cup of coffee"--.   >====<--.
C|~~|C|~~| (>------ Jay D. Dyson -- jdyson at treachery.net ------<) |    = |-'
 `--' `--'  `-- What doesn't kill us only makes us stronger. --'  `------'

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