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To: Investor2 who wrote (970)	4/16/1998 2:21:00 PM
From: ratan lal	Read Replies (1) \| Respond to of 3436

I am not sure what the formula assumptions are - ratan

To: Investor2 who wrote (970)	4/17/1998 12:19:00 PM
From: Walter Liu	Read Replies (1) \| Respond to of 3436

But a single LEO satellite does not cover the whole world. It cover only a local region. This is why it has 66 satellite instead of one. Simple line of sight. You also assume that all calls are voice, what about data? What is the time you spend on internet using the telephone? Much longer than voice, isn't it?

To: Investor2 who wrote (970)	4/19/1998 11:21:00 PM
From: Daniel	Respond to of 3436

> Also, your figure of 100 employees and 16 lines assumes that all of the potential users are > at work during the same period. For a global communication system, ~ one-third to > one-half of the world will be asleep at any given time. But when they're asleep, the low-orbit (right?) satellites over their heads can't be used by the awake people on the other side of the Earth. Daniel ("...dead in the arms of the night they lay. Their dreams sprout wings and fly away. Out of the houses in a gathering flock Swarming overhead as I hurry down the block ..." - The City Sleeps - MC 900 Ft. Jesus)