CSI Wireless DGPS MAX User Manual

Vector Sensor Reference Manual 104
GPS solution. Bit 0
corresponds to the GPS
satellite with PRN 1.
long represent
satellites
GPSUtcDiff Whole seconds between UTC
and GPS time (GPS minus
UTC)
Unsigned
short
2 Positive
HDOPTimes10 Horizontal dilution of precision
scaled by 10 (0.1 units)
Unsigned
short
2 Positive
VDOPTimes10 Vertical Dilution of precision
scaled by 10 (0.1 units)
Unsigned
short
2 Positive
WAAS PRN
bitmask
PRN and tracked or used
status masks
Unsigned
short
2 See below
WAAS PRN bit mask.
• Bit 00 Mask of satellites tracked by first WAAS satellite
• Bit 01 Mask of satellites tracked by second WAAS satellite
• Bit 02 Mask of satellites used by first WAAS satellite
• Bit 03 Mask of satellites used by second WAAS satellite
• Bit 04 Unused
• Bit 05-09 Value used to find PRN of first WAAS satellite (This value +
• 120 = PRN)
• Bit 10-14 Value used to find PRN of second WAAS satellite (This
• value + 120 = PRN)
• Bit 15 Unused
7.1.3 Bin 80
This message has a BlockID of 80 and is 40 bytes excluding the header and epilogue. This message
contains the WAAS message. The following table describes the constituents of this message in
order.
Table 7-4 Bin 80 Message
Name Components Type Bytes Value
PRN Broadcast PRN Unsigned short 2
Spare Not used at this time Unsigned short 2 Future use
MsgSecOfWeek Seconds of week for message Unsigned long 4
WaasMsg[8] 250 bit WAAS message (RTCA
DO-229). 8 unsigned longs
with most significant bit
received first
Unsigned long 4 x 8 =
32

CSI Wireless DGPS MAX Specifications

General

Brand	CSI Wireless
Model	DGPS MAX
Category	Receiver
Language	English