Garmin GPS II Plus - Manual (Page 94)

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Specifications and Wiring (cont.)
The NMEA 0183 version 2.0 interface format is sup-
ported by the GPS II + and enables the unit to drive up to
three NMEA devices:
NMEA 0183 version 2.0
Approved sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB,
GPRMC, GPRTE, GPWPL, GPBOD
Proprietary sentences:
PGRME (estimated error), PGRMM (map datum),
PGRMZ (altitude), PSLIB (beacon receiver control)
Appendix B
DGPS corrections are accepted on RTCM-104 v. 2.0
format. The GARMIN GBR 21 is the recommended
beacon receiver for use with the GPS II+. Other
receivers with the correct RTCM format may be used
but may not correctly display status or allow tuning
control.
GARMIN
GBR 21
gps ii + 8/4/98 3:29 PM Page 88