Trimble Outdoors THUNDERBOLT 64057-00-ENG - Manual (Page 71)

Trimble ThunderBolt E GPS Disciplined Clock User Guide 69
Trimble Standard Interface Protocol A
Command Packet 0x8E-A4 Test Mode 0 Data Format
Command Packet 0x8E-A4 Test 1 Mode 1Data Format
Command Packet 0x8E-A4 Test Mode 3 Data Format
t_ot This field is the reference time-of-week for the A_0/A_1
parameters.
WN_t This field is the reference week number for the A_0/A_1
parameters.
WN_LSF This field is the week number of a future leap second event.
DN This field is the day number of a future leap second event.
delta_t_LSF This field is the integer number of future leap seconds.
Byte Item Type Description
0 Subcode UINT8 0xA4
1 Test Mode UINT8 0 = Exit test mode
Byte Item Type Description
0 Subcode UINT8 0xA4
1 Test Mode UINT8 1 = Set absolute time, ignore GPS time
2-3 Week Number UINT16 Week number (0-1023)
4-7 Time of Week UINT32 Seconds (0-604799)
Byte Item Type Description
0 Subcode UINT8 0xA4
1 Test Mode UINT8 3 = Send user UTC parameter
2-5 A_0 Single Seconds
6-9 A_1 Single Seconds/second
10-11 delta_t_LS SINT16 Seconds
12-15 t_ot UINT32 Seconds
16-17 WN_t UINT16 Week number
18-19 WN_LSF UINT16 Week number
20-21 DN UINT16 Day number (1-7)
22-23 delta_t_LSF SINT16 Seconds
Test mode Data field Description