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

To: Joe Brown who wrote (1307)	2/7/1999 2:38:00 PM
From: Valueman	Read Replies (1) \| Respond to of 2693

Communications: The heart of a Globalstar satellite, its communications systems, are mounted on the earth deck. The earth deck is the larger of the two rectangular faces on the satellite's body. There are C-band antennas for communications with gateways, and L- and S-band antennas for communications with user terminals. These antennas are of a phased array design that projects a pattern of 16 spot beams on the earth's surface, covering a service area, or "footprint," of several thousand kilometers in diameter. L- and S- band User links: 1610-1626.5 MHz (user-to-satellite) 2483.5-2500 MHz (satellite-to-user) C-band Feeder links: 5091-5250 MHz (gateway-to-satellite) 6875-7055 MHz (satellite-to-gateway)