MBX-4 User Guide
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Further Reading
National Marine Electronics Association, National Marine Electronics
Association (NMEA 0183) Standard for Interfacing Marine Electronic
Devices, Version 2.1, October 15, NMEA 1995, PO Box 50040, Mobile
Alabama, 36605 USA
Radio Technical Commission for Maritime Services, RTCM
Recommended Standards for Differential NAVSTAR GPS Service,
Version 2.2, Developed by Special Committee No. 104, RTCM 1998, 1800
Diagonal Rd, Suite 600, Alexandria, VA, 22314-2840 USA, Tel: +1-703-
684-4481, Fax: +1-703-836-4429
US Department of Transportation, United States Coast Guard, Broadcast
Standard for the USCG DGPS Navigation Service, COMDTINST
M16577.1, April, 1993, 2100 Second St. SW, Washington, D.C., 20593-
0001, USA