4.8-meter small fixed terminal, for lower throughput requirements, that can be mounted on rooftops as well as on small pads. In addition to these nine basic con- figurations, the MET contract includes options for a large vanized (transportable) X-band-only or X/Ka-band terminal for installation at sites without an electronic equipment building.
Hershberger said that all MET terminal configurations include an antenna subsys- tem, transmit and receive subsystems, a CMA subsystem, a performance measure- ment and test subsystem (PMTS), and a frequency and time standard subsys- tem (FTSS). All configurations include a MET computing environment consist- ing of operator consoles and one or more servers, which host the CMA software, interactive electronic technical manual, supply support system, and other MET software components.
MET terminals will also include a num- ber of subsystems that may be deployed as required on a site-specific basis, such as radomes, de-icers, an L-Band switch sub- system (LSS) for modem routing, a single carrier converter subsystem for support of legacy 70-MHz modems, and a fiber- optic interconnect facility that is used to route intermediate-frequency signals between MET terminals and remotely located modems. The CMA, PMTS, FTSS, and LSS can support up to six MET terminals simultaneously.
The MET contract offers an option for HEMP protection for selected large fixed terminals and transportable terminals.
“We offer HEMP protection because a low-yield nuclear explosion high above the ground can produce an electromag- netic pulse that can instantly overload or disrupt electrical circuits,” Hershberger said. “Our equipment is very sensitive to
UTILIZING COMMERCIAL COMPONENTS System integration and test engineers at Harris Corp. conduct a system performance measurement test of a MET terminal at a subsystem rack of test maintenance and diagnostic equipment. From left are Charles Shupard, Joseph Wade, and Dustin Stoudt. The MET computing environment rack, at left, houses the control, monitor, and alarm subsystem. The use of common commercial-off-the-shelf components, such as this rack of equipment, will lower acquisition costs for large purchases of MET terminals up to 25 percent and will reduce life-cycle logistics costs. (Photo by Bob Goldberg.)
this and requires that the shielding be very effective in terms of attenuation, and that translates into money. So HEMP protec- tion is expensive, which is why we have it as an option and not a standard feature on every terminal.”
“MET terminals will allow the Army to fully utilize the robust capability of WGS, as well as utilize XTAR satellites,” said McClintock. “In addition, the MET program will provide more flexibility for tactical units by allowing them reach- back at both X and Ka bands through one terminal.
“That translates to an information advantage by enabling robust net-
working of well-informed, geographi- cally dispersed forces.”
ARTHUR REIFF supports the Project Manager Defense Communications and Army Transmission Systems in planning and evaluating large-scale military long-haul and satellite communication programs, as an Exec- utive Project Integrator for AASKI Technology Inc. Previously he served for 35 years as a civil- ian employee of the U.S. Army. He holds a B.S. in electrical engineering from the City College of New York and an M.B.A. from Fairleigh Dickinson University. Reiff is Level III certi- fied in program management and Level III certified in systems engineering. He is a mem- ber of the U.S. Army Acquisition Corps.
ASC.ARMY.MIL 25
ACQUISITION
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