- Enhanced Position Location Reporting System
The Enhanced Position Location Reporting System (EPLRS) is a secure, jam resistant, computer controlled communications network that distributes near real-time tactical information, generally integrated into radio sets, and coordinated by a Network Control Station. [http://www.raytheon.com/products/stellent/groups/public/documents/content/cms01_052749.pdf] It is primarily used for data distribution, and position location and reporting. It enhances
command and controlof tactical units by providing commanders with the location of friendly units. [ [http://www.gordon.army.mil/tsmtr/eplrs.htm TRADOC Systems Manager (Tactical Radios) Fort Gordon, Georgia ] ] It was first fielded by the US Armyin 1987. [ [http://www.fas.org/man/dod-101/sys/land/eplrs.htm Enhanced Position Location Reporting System (Eplrs) ] ]
EPLRS is a
Time Division Multiple AccessSystem that uses a frequency hopping, spread spectrum waveformin the UHFband. [ [http://www.fas.org/man/dod-101/sys/ac/equip/docs/A2C2S_Tutorial_RevA1a/tsld019.htm EPLRS ] ] It incorporates the Thorton family of COMSECdevices, and has the capability for Over the Air Rekeying(OTAR). EPLRS uses the Army Data Distribution Systemversion of the X.25CCITT and MIL-STD-1553B protocols to interface with Army Tactical Command and Control System(ATCCS).
Network Control Station
Each network is controlled by a Network Control Station (NCS), AN/TSQ-158. These have gone through several iterations.
Downsized version to fit in
HMMWV, first fielded in 1991. Dimensions: 8.5'x7'x6', 4000lbs
AN/UYK-44(V) Enhanced Processor (EP) computer
The AN/TSQ-158(V)4 is produced by
Raytheon. Housed in a HMMWV replacing the AN/UYK-44 computer with a toughbook laptop computer. Data is displayed through the FBCB2platform.
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