Alinco EJ-50U User Manual

Page 24

Advertising
background image

24

0.9 Horizontal dilution of position
545.4,M Altitude, Meters, above mean sea level
46.9,M Height of geoid (mean sea level) above WGS84
ellipsoid
(empty field) time in seconds since last DGPS update
(empty field) DGPS station ID number

5-4-4 $GPVTG

One of the NMEA-0183 formats. Only the speed and direction can be detected. The EJ-50U can analyze and

re-structure this format.

The data contains the following information:
*$GPVTG: starts GPVTG sentence

True course direction in degree related to the North.
T fixed, means True Course
Magnetic course direction in degree.
M fixed, means Magnetic course
Speed in knots=1.852Km/h.
N fixed, means Knots.
Ground speed in Km/h
K fixed, means ground speed unit in Km
*hh<CR><LF> check-sum and end of message


5-4-5 $GPZDA

One of NMEA-0183 formats. It contains date and time information only. EJ-50U can analyze and re-structure

this format.

The data contains the following information:

$GPZDA starts GPZDA sentence
Time/minutes/seconds in UTC.
Date 01 – 31
Month: 01-12
Year in 4 digit. These are also shown in UTC
Time zone: -13 to 00 to 13
Time zone: 00 to 59 minutes
*hh<cr><LF> check-sum and end of message


5-4-6 $GPRMC

One of NMEA-0183 formats. Date , time, latitude, longitude, moving speed and direction can be detected.

EJ-50U can analyze and re-structure this format.

The data contains the following information:

Starts $GPRMC sentence.
Hour/minutes/seconds in UTC
The data status. [A] for valid data, [V] for invalid.
Latitude in numbers
N for north, S for South
Longitude in numbers
E for East, W for West
Ground speed in knots.

Advertising
This manual is related to the following products: