Vector Sensor Reference Manual 103
7.1.1 Bin 1
This message has a BlockID of 1 and is 52 bytes excluding the header and epilogue. It consists of
GPS position and velocity data. It is the only binary message that can be output at a rate of 5 Hz.
The following table describes the content of this message.
Table 7-2 Bin 1 Message
Name Components Type Byte
s
Value
AgeOfDiff Age of differential, seconds.
Use Extended AgeOfDiff first.
If both = 0 then no
differential
Byte 1 0 to 255
NumOfSats Number of satellites used in
the GPS solution
Byte 1 0 to 12
GPSWeek GPS week associated with
this message
Unsigned
short
2 0 to 65536
GPSTimeOfWeek GPS tow (sec) associated
with this message
Double 8 0.0 to 604800.0
Latitude Latitude in degrees North Double 8 -90.0 to 90.0
Longitude Longitude in degrees East Double 8 -180.0 to 180.0
Height Altitude above the ellipsoid in
meters
Float 4
VNorth Velocity north in m/s Float 4
VEast Velocity East in n/s Float 4
VUp Velocity up in m/s Float 4 Positive
NavMode Navigation mode:
0 = No fix
1 = 2D no diff
2 = 3D no diff
3 = 2D with diff
4, 5, or 6 = 3D with diff
If bit 7 is set (left-most bit),
then this is a manual mark
position
Unsigned
short
2 Bits 0 through 6
= Navmode
Bit 7 = Manual
mark
Extended
AgeOfDiff
Extended age of differential,
seconds.
If 0, use 1 byte AgeOfDiff
listed above
Unsigned
short
2 0 to 65536
7.1.2 Bin 2
This message has a BlockID of 2 and is 16 bytes excluding the header and epilogue. This message
contains various quantities that are related to the GPS solution. The following table describes the
details of this message in order.
Table 7-3 Bin 2 Message
Name Components Type Bytes Value
MaskSatsTracked A mask of satellites tracked by
the GPS. Bit 0 corresponds to
the GPS satellite with PRN 1.
Unsigned
long
4 Individual bits
represent
satellites
MaskSatsUsed A mask of satellites used in the Unsigned 4 Individual bits