Programming Manual 88
10. Binary Data
The DGPS MAX, Mini MAX, PowerMAX Vector, Vector PRO, Vector
Sensor, Vector Sensor PRO and Vector OEM all support a selection of
binary data messages that provide improved communication port efficiency.
Additionally, certain data is available only in binary format, such as raw
measurement information.
Note - The binary messages described in this chapter are turned
on or off using the $JBIN and $JOFF commands discussed in
Chapter 3 and 4.
10.1 Binary Message Structure
The Binary messages supported by the receivers are in an Intel Little Endian
format for direct read in a PC environment. You can find more information
on this format at the following Web site.
www.cs.umass.edu/~verts/cs32/endian.html
Each binary message begins with an 8-byte header and ends with a carriage-
return line-feed pair (0x0D, 0x0A). The first four characters of the header is
the ASCII sequence $BIN.
The following table provides the general binary message structure.
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