[ntp:questions] GPS Weakness Could Sink Wireless

Garrett Wollman wollman at bimajority.org
Thu Dec 12 17:03:02 UTC 2013

In article <87vbyugh88.fsf at thumper.dhh.gt.org>,
John Hasler  <jhasler at newsguy.com> wrote:
>In any case designers of things like cell towers should no more assume
>that GPS is always "just there" than they should assume that electric
>power is always "just there".

So long as they're still running IS-2000 CDMA, GPS is at least a
formal requirement.  But for intermittent interference or signal
interruptions, a receiver with a good oscillator will have enough
hold-over accuracy to meet the actual protocol requirements.


Garrett A. Wollman    | What intellectual phenomenon can be older, or more oft
wollman at bimajority.org| repeated, than the story of a large research program
Opinions not shared by| that impaled itself upon a false central assumption
my employers.         | accepted by all practitioners? - S.J. Gould, 1993

More information about the questions mailing list