Precision Lightweight GPS Receiver (PLGR)

The Precision Lightweight GPS Receiver (PLGR, pronounced plugger) is a self-contained, hand-held, five-channel, single frequency Global Positioning System (GPS) receiver. PLGR provides accurate Position, Velocity and Timing (PVT) data to individual warfighters and integrated platform users.

USMC Lance Corporal Arthur Puente, HQ Platoon, G Co., 2nd Battalion, 7th Marine Regiment, 1st Marine Division, with AN/PSN-11 PLGR, Al Anbar Province, Iraq, 9 August 2004
USMC Lance Corporal Arthur Puente, HQ Platoon, G Co., 2nd Battalion, 7th Marine Regiment, 1st Marine Division, with AN/PSN-11 PLGR, Al Anbar Province, Iraq, 9 August 2004.

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Precision Lightweight GPS Receiver (PLGR)

Precision Lightweight GPS Receiver (PLGR) supports position location, target location, rendezvous and en-route and terminal navigation. PLGR incorporates a security module. When operated with COMSEC to access the military GPS signal (the Precise Positioning Service (PPS) signal), PLGR provides Selective Availability, Anti-Spoofing and Anti-Jam capabilities that are not available with civilian GPS receivers.

Precision Lightweight GPS Receiver (PLGR) in secure vehicle mount
Precision Lightweight GPS Receiver (PLGR) in secure vehicle mount.

The initial PLGR contract was awarded to Rockwell International in Mar 1993. Initial production of the Precision Lightweight GPS Receiver (PLGR) was supplanted in 1996 with an enhanced version featuring the same operational capabilities but with improved computer memory and power consumption characteristics. The two versions are interchangeable and substitutable in most applications. PLGR was delivered with a six-year warranty (later extended to 10 years). Weapon System Managers use common PLGR accessories as components of installation kits designed for specific platforms. Over 100,000 PLGR units have been fielded by the U.S. military worldwide. Beginning in FY2005, the four pound PLGR was superseded by the one pound AN/PSN-13 Defense Advanced GPS Receiver (DAGR).

Precision Lightweight GPS Receiver (PLGR) Accessories

The primary power battery for PLGR is the lithium, sulfur-dioxide, BA-5800/U, NSN 6135-01-440-7774. Size AA alkaline or lithium batteries can be used with PLGR by loading eight of them in the PLGR battery holder, NSN 6160-01-385-4358. In addition to the power battery, PLGR requires a 3.6-volt lithium memory battery, NSN 6135-01-301-8776. If 110V AC power is available, use the AC adapter, NSN 6130-01-376-2168. For vehicle power, use the DC power cable, NSN 6150-01-375-8661.

A partial list of other accessories includes a regular mount and a secure locked mount for use in a vehicle. A five meter cable and remote antenna improve performance inside a vehicle or building. The PLGR-PC cable allows connection of PLGR to a desktop computer to upload and download data, and for remote control of PLGR. The PLGR-PLGR cable connects two units together for data sharing. A nylon carrying case is available to contain the PLGR, remote antenna, cables, and spare batteries.

PLGR Nomenclature and Manuals

The nomenclature for the two variants of the Precision Lightweight GPS Receiver (PLGR) are:

  • AN/PSN-11 Precision Lightweight GPS Receiver, NSN 5825-01-374-6643
  • AN/PSN-11(V)1 Precision Lightweight GPS Receiver, NSN 5825-01-395-3513

Manuals for the Precision Lightweight GPS Receiver (PLGR) include:

  • TM 11-5825-291-13 Operations and Maintenance
  • TB 11-5825-291-10 Operators Checklist
  • TB 11-5825-291-10-2 Soldiers Guide
  • TB 11-5825-291-30 Warranty Bulletin
  • TB 11-5825-291-10-3 PLGR Made Simple

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