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4.2 EVERMORE BINARY MESSAGE SPECIFICATION
The EverMore binary message protocol consists of 3 parts: message header, message body,
and message footer.
Message Header Message Body Message Footer
Start Sequence Length of Message Body Message Checksum End Sequence
0x10 0x02 1 or 2 bytes Up to 253 bytes 1 or 2 bytes 0x10 0x03
Message Header
The Message Header consists of 3 or 4 bytes:
Byte #1 - DLE = 0x10
Byte #2 - STX = 0x02
Byte #3 - Length of Message Body + 2
Byte #4 - when Byte #3 equals DLE (0x10), DLE (0x10) is sent out as the 4th byte of the
message header; otherwise it is not sent.
Message Body
When DLE (0x10) is encountered in the message body, it is repeated. The EverMore Binary
Message supports following message types for receiver configuration and status monitoring:
Binary Input Messages:
Message Type 0x80: Initialization
Message Type 0x81: Data Logging
Message Type 0x86: Set Elevation Mask
Message Type 0x87: Set DOP Mask
Message Type 0x8F: Operating Mode Configuration
Message Type 0x94: Differential GPS Control
Binary Output Messages:
Message Type 0x02: Navigation Data
Message Type 0x04: DOP Data
Message Type 0x06: Channel Status
Message Type 0x08: Measurement Data