JAVAD GNSS GREIS: GNSS Receiver External Interface Specification

This document, the GNSS Receiver External Interface Specification, details the GREIS language developed by JAVAD GNSS.

GREIS is a powerful, receiver-independent interface language designed to enable effective communication with JAVAD GNSS receivers. It allows users to access and control all receiver capabilities and functions through a unified set of named objects, commands, and messages.

Key Features:

• Comprehensive Control: Access all receiver functions and capabilities.
• Receiver-Independent Structure: A unified language applicable across JAVAD GNSS hardware.
• Object-Oriented Approach: Control receivers via named objects, commands, and messages.
• Flexible Communication: Supports both manual and automatic control via various ports (serial, USB, Ethernet, etc.).
• Detailed Specifications: Covers message formats, command syntax, and data structures for precise integration.

This specification, reflecting firmware version 4.1.00 and last revised on March 31, 2021, is essential for developers and users integrating JAVAD GNSS receivers into their systems.

For more information on JAVAD GNSS products and solutions, visit javad.com.