Specifications
 128 Z-Family Technical Reference Manual
char Num_Svs 0 - 12 4 Number of satellites 
used in CPD position 
computation
unsigned 
short
PDOP 0 - 100 0.1 10 PDOP
double Lat_N sign ± 
deg 0-90
°
frac. 0 - 1
e-9 deg (e-4 m) 1
7
30
Rover position latitude 
north
double Lon_E
deg 0-360
°
frac. 0-1
e-9 deg (e-4 m) 9
30
Rover position 
longitude east
double EH sign 1
data:
-1km - 100km
0.0001 m 1
29
Rover position 
ellipsoid height in 
meters
float Position 
RMS
0 - 100 m 0.001 m 17 Standard deviation of 
position error
float Sigma_N / 
RMS/
0 - 1.0  1% 8 Standard deviation of 
latitude component / 
Position RMS
float Sigma_E / 
RMS
0 - 1.0 1% 8 Standard deviation of 
longitude component / 
Position RMS
float Sigma_U / 
RMS
0 - 1.0 1% 8 Standard deviation of 
ellipsoid height 
component / Position 
RMS
float Corr_EN / 
RMS
2
-0.5 - 0.5 1% 8 Cross Correlation of lat 
and lon / RMS
2
float Corr_EU / 
RMS
2
-0.5 - 0.5 1% 8 Cross Correlation of 
lon and height / RMS
2
float Corr_NU / 
RMS
2
-0.5 - 0.5 1% 8 Cross Correlation of 
lat and height / RMS
2
char FLAG 0 - 256 8 Solution Type (bitwise 
flag)
Total bytes for the first part = 32
 Table 6.62: CBN Message Structure (Binary Format) (continued)
Data Type Symbol Range Resolution
Compress 
Num. Bits
Description










