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Preface
Most SiRF products support a subset of the NMEA-0183 standard for interfacing
marine electronic devices as defined by the National Marine Electronics Association
(NMEA).
The NMEA Reference Manual provides details of NMEA messages developed and
defined by SiRF. It does not provide information about the complete NMEA-0183
interface standard.
Who Should Use This Guide
This manual was written assuming the user has a basic understanding of interface
protocols and their use.
How This Guide Is Organized
This manual contains the following chapters:
Chapter 1, “Output Messages” defines NMEA standard output messages supported
by SiRF and NMEA proprietary output messages developed by SiRF.
Chapter 2, “Input Messages” defines NMEA standard input messages supported by
SiRF and NMEA proprietary input messages developed by SiRF.
Related Manuals
You can refer to the following document for more information:
• NMEA-0183 Standard For Interfacing Marine Electronic Devices
• SiRF Binary Protocol Reference Manual
• SiRF Evaluation Kit User Guides
• SiRF System Development Kit User Guides
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