Program Office Description

PMW/A -170’s Air Navigation Warfare (NAVWAR) Program provides Global Positioning System (GPS) protection for Naval Air platforms by giving the warfighter continued access to GPS through the use of Anti-jam (AJ) Antenna Systems designed to counter GPS Electronic Warfare threats due to intentional and unintentional interference. Typical installations replace a platform’s existing GPS antenna with a larger NAVWAR antenna and separate antenna electronics, while leaving a platform’s GPS receiver in place. Future designs may combine the NAVWAR antenna and antenna electronics into one unit. PMW/A-170 is also the Navy’s Communication Program Office providing Broadband Satellite service to ships and potentially aircraft as well as other communications products that may have Naval Aviation applications.

GPS Antenna System 1 (GAS-1)

Capability: Basic Anti-jam
Configuration: Seven element Controlled Reception Pattern Antenna (CRPA), Analog Antenna Electronics (AE)
Application: MH-60R/S, C/KC-130, HH-60H, P-3C, MV-22, AV-8B
Specifications:

• Antenna Dimensions: 14.1 inches in diameter x two inches high
• Antenna Weight: 4.5 pounds

GAS-1N

Capability: Basic Anti-jam
Configuration: Small, four element Controlled Reception Pattern Antenna (CRPA), for use with GAS-1 Analog Antenna Electronics (AE) in place of the standard GAS-1 antenna.
Application: AV-8B
Specifications:

• Antenna Dimensions: Seven inches long x seven inches wide x one inch high.
• Antenna Weight: 1.5 pounds

Advanced Digital Antenna Production (ADAP)

Capability: Basic Anti-jam
Configuration: Seven element Controlled Reception Pattern Antenna (CRPA), Digital Antenna Electronics (AE), Dual Frequency Nulling
Application: MH-53E as lead, CH-53E/K, P-8A, CH-46E, F/A-18E/F, EA-18G
Specifications:

• Antenna Dimensions: 14.1 inches in diameter x two inches high
• Antenna Weight: 4.5 pounds

Conformal CRPA (C-CRPA)

Capability: Basic Anti-jam
Configuration: Seven element Controlled Reception Pattern Antenna (CRPA), for use with Advanced Digital Antenna Production (ADAP) Digital Antenna Electronics (AE) in place of standard ADAP antenna, Dual Frequency Nulling
Application: F/A-18E/F, EA-18G specific
Specifications:

• Antenna Dimensions: 14.1 inches long x 14.1 inches wide x 2.3 inches high
• Antenna Weight: 4.5 pounds

Major contractors

Raytheon Systems Limited (Harlow, UK)
BAE (Greenlawn, NJ)
EDO/ITT (Bohemia, NY)