Specifications

VP ONCORE COMMAND REFERENCE
SATELLITE BROADCAST DATA MESSAGE
(@@Bl)
Motorola Binary Format
Input Command • Request Broadcast message:
@@BlmC<CR><LF>
(Note: The second character is a lower case "L" not the number "1")
m – mode 0 - Output Next Subframe
Data when collected (polled)
1 - Output Next and
Subsequent data Messages
(continuous)
C - checksum
Message Length: 8 bytes
Response Message • (to command)
@@Blcispxxxxx... xxxxxxC<CR><LF>
c - channel number 1 .. 8
i - Satellite ID 0 .. 32
0 = channel not used
1-32 = sat ID
s - Subframe number/ valid words
where bits 0-2 (i.e. the LS
nibble) are decoded as: 0 = no subframe
1-5 = subframe
where bits 4-7 (i.e. the MS
nibble) are decoded as: 0-10 = number of contiguous,
valid words starting at word 1
p - Page number 0 .. 25
0 = no page number
1-25 = page number
xxx....xxx - Data Words 1 - 10, each
word is 3 bytes long
(Format per ICD-GPS-200)
C - checksum
Message Length: 41 bytes
See Note on following page
100 Synergy Systems, LLC 05OCT01