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A TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)
168 Copernicus GPS Receiver
Command Packet 0x8E-2B - Request Fix and Channel Tracking Info, Type 2
This packet requests Packet 0x8F-2B or marks it for automatic output. If only the first
byte (packet sub-code 0x2B) is sent, an 0x8F-2B report containing the last available
data will be sent immediately. If two bytes are sent, the packet is marked/unmarked
for auto report according to the value of the second byte as shown in below.
To retain the auto-report setting for this packet, first set the setting accordingly and
then save to non-volatile memory by issuing the packet 0x8E-26.
Table A.63 Command Packet 0x8E-2B
Command Packet 8E-4A - Set/Request Lassen iQ GPS Cable Delay
and PPS Polarity
Using this packet, you can query and control the Lassen iQ GPS cable delay
characteristics. The receiver responds to a query or control command with packet 8F-
4A. The packet contains 16 bytes.
Table A.64 Command Packet 8E-4A
Command Packet 0x8E-4F - Set PPS Width
This command packet sets the PPS width to a value in the range of 100 microseconds
to 500 milliseconds. The receiver returns packet 0x8F-4F. The current PPS width can
be requested by sending this packet with no data bytes except the subcode byte.
Table A.65 Command Packet 0x8E-4F
Byte Item Type Value Definition
0 Packet sub-code UINT8 0x2B Packet sub-code
1 Mark for Auto-report UINT8 0,1 0 = do not auto-report
1 = mark for auto-report
Byte Item Type Meaning
0 Sub-packet ID BYTE Always 0x4A
1 Reserved
2 Reserved
3 Polarity BYTE 0 Positive
1 Negative
4-11 PPS Offset of Cable Delay DOUBLE Seconds (default=0.0)
12-15 Reserved
Byte Item Type Value Meaning
0 Subcode BYTE 0x4F
1-8 PPS width DOUBLE Seconds