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Commercial service started Nov. 30th 1998, with 28 satellites in orbit.  In April 98 the FCC allowed an increase from 28 to 48 satellites. ) (user terminals), to other SCs, Internet mail, fax machines, and pagers.

The ORBCOMM System uses 48 low-Earth orbit (LEO) satellites, orbiting at 825km, with 8 spares on the ground. It provides worldwide geographic coverage. The SCs are light-weight and pocket-sized. The ORBCOMM System is the world's first low-Earth orbit satellite system to provide high availability, low-cost, two-way, on-the-move communications over the entire globe.

Receive freq. 148 to 149.9 MHz
Transmit freq. 137 to138 MHz and 400.05 to 400.15 MHz
Datea rate up to 2.4 kbit/s (typically 0.3 bit/s)

ORBCOMM, a joint venture of Orbital Sciences Corporation , Teleglobe Inc., Technology Resources Industries Bhd. Teleglobe Inc., is the developer of the system, and operates and markets the system and services in the U.S. Fully compatible systems are being established within a host of foreign markets by licensees. It is licensed for operation in Malaysia, with provisional operation in Japan.

The air launched booster PegasusTM used to launch the satellites is a product of Orbital Sciences, a pioneer in microspace technology and a leader in the commercial space industry and one of the United States' fastest growing high technology enterprises with over 2,000 employees, 1995 sales of over $364 million, and a $1.5 billion backlog, primarily with the U.S. Air Force, NASA, ARPA, and BMDO.

Network Control Center

ORBCOMM announced on October 9th, 1997 that it had opened its global Network Control Center (NCC) as the first step in a 10-stage countdown program to provide global communications solutions to customers by the first quarter of 1998. The NCC is located at ORBCOMM's headquarters in Dulles, VA.

21700 Atlantic Boulevard,
Dulles, VA 20166-6801
Tel: (703) 406-6000
Fax: (703) 406-3508

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