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Technology Stocks : IRID - Iridium World Communications IPO Announced! -- Ignore unavailable to you. Want to Upgrade?

To: Rob Prickett who wrote (1861)	5/27/1999 11:27:00 PM
From: Mr. Adrenaline	Read Replies (2) \| Respond to of 2693

Actually, they will. There is measurable atmospheric drag up to about 900 to 1000 km. It varies as a function of solar activity, which itself is on a 11 year cycle. We are near the peak of that cycle now. All this is accounted for in Iridium's lifetime. They have to carry a small amount of fuel to counter for this drag. Once the fuel is gone, or once Iridium ground control stops maintaining the orbit, the satellites will re-enter the atmosphere and burn up within about 10 years. Mr A