DOD achieves record throughput in WGS bandwidth test

Defense Department researchers were able to transmit a 1.3 gigabits/sec carrier signal through the Wideband Global Satcom constellation May 19 at its Hawaii facility in a test designed to determine the full capability that the next-generation satellites can provide to warfighters around the globe, said Army officials in a news release.

High-volume military SATCOM users are tied to the 274 megabits/sec rate, even though there are some reports from contractors that they¹ve achieved
throughput of slightly more than 600 Mbps, Rick Dunnegan, project lead at the Army's Communications-Electronics Research, Development, and Engineering Center (CERDEC), said in a May 21 news release.

The CERDEC Space and Terrestrial Communications Directorate, whose Joint Satellite Engineering Center serves as the military's lead in satellite and airborne communications research, development, integration, test and evaluation, led the effort.

WGS supports the defense communications system; the Army's ground mobile forces, the Air Force's airborne terminals, Navy ships at sea, the White House Communications Agency, the State Department, and special users, according to an Air Force fact sheet. WGS provides an order of magnitude increase in military communications increased bandwidth, providing high data rate and long-haul communications for Marines, soldiers, sailors and airmen worldwide.

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