The JPO has released an EGR Guidelines document which contains EGR interface, design, and

performance requirements, as well as general guidance material regarding the EGR and host

system.  The document also includes specific guidance for integrating GPS with inertial or

Doppler navigation systems.

The JPO EGR effort is evolving into a standard for a GPS Receiver Applications Module

(GRAM).  The GRAM will consist of a family of standard EGR modules suitable for a variety of

embedded applications.  The GRAM standard will define several EGR physical configurations

conforming to standard modular architectures, such as the Standard Electronic Module (SEM)

and Versa Module Europa (VME).  The standard will include specifications for advanced

functions, such as local  and wide area DGPS corrections and receiver based integrity

enhancements (RAIM).  The standard will also accommodate the next generation GPS receiver

security module known as the Selective Availability/Anti Spoofing Module (SAASM).

1.6.4.3.2  International Military UE and Commercial UE

Phase III of the GPS program has seen a tremendous expansion in the development and

production of international military UE and commercial UE.  Military UE is being produced by

participating NATO nations including Canada, France, Germany, Italy, and the United Kingdom.

In addition, a wide variety of commercial SPS UE has been developed by manufacturers around

the world for many different applications.  Some of these receivers have been acquired by Military

and Government authorities for nontactical applications such as surveying, test support, and

training.

1.6.4.3.3  User Equipment Testing

Development Test and Evaluation (DT&E;) and OT&E; have included test and evaluation of:

a.

Integrated GPS/host vehicle navigation system performance

b. Phase II and (early) Phase III deficiency correction

s

c.

Reliability and maintainability of the GPS UE

d. Operational effectiveness of the GPS UE against jamming and spoofing

e.

The SA and A S features

In addition to U.S. sponsored test efforts, Australia, Canada, Denmark, Germany, the

Netherlands, Norway, and the United Kingdom conducted an extensive Phase III International

Test Program in cooperation with the JPO.  These countries were joined by France, Greece,

Portugal, Spain, and Turkey for a subsequent International Test Program that focused exclusively

on the PLGR.

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