At 05:28 AM 12/27/00 , you wrote: >John -- > >I admire the creative process that thought this one up!!! > >I wonder, however, if there isn't a basic flaw in this >plan. I would expect that any such fiber optic cables are >installed with generous numbers of expansion loops. Thus, >there would be very little variation in strain in conjuction >with geological events. However the following does not >mention the mechanism which produces said strain so I may >have missed the point here. Yes, as an old fiber design engineer for the phone company, our general rule of thumb was to go about three manholes and put in a slack loop. This insured that ample cable would be available for re-splicing in the event of a dig-up or some other problem. Fiber optic cables are the strongest digger attractor in the world 8<) Darrell __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>