> Also remember if DR is fairly close to base make sure they are on > separate power grids or at least have generators. > That is such a nebulous term, "power grid". Anyone have more definite > references for what that should mean? > While I'm sure this is not comprehensive, this Blackout Tracker > website gives some interesting insight into power outages... > http://powerquality.eaton.com/blackouttracker/default.asp
This map makes it look like there are 10 grids. There are only 4 in the US, with 2 covering the vast majority of the country. See map http://www.eia.doe.gov/electricity/page/prim2/fig15.gif DoE article: http://www.eia.doe.gov/electricity/page/prim2/chapter7.html Dennis Roach GHG Corporation Lockheed Martin Mission Services Facilities Design and Operations Contract Strategic Technical Engineering NASA/JSC Address: 2100 Space Park Drive LM-15-4BH Houston, Texas 77058 Mail: P.O. Box 58487 Mail Code H4C Houston, Texas 77258-8487 Phone: Voice: (281)336-5027 Cell: (713)591-1059 Fax: (281)336-5410 E-Mail: dennis.ro...@lmco.com All opinions expressed by me are mine and may not agree with my employer or any person, company, or thing, living or dead, on or near this or any other planet, moon, asteroid, or other spatial object, natural or manufactured, since the beginning of time. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html