RESEARCH CONCEPTS RC4000 Protocol page 26

RC4000 Antenna Controller
3.13 Write IESS Data Command
This command downloads IESS-412 ephemeris data into the RC4000. The index must be the same as
the associated sat data index.
byte 0
byte 1
byte 2
byte 3
byte 4
--- TBD
byte TBD
byte TBD
The reply to this command will be the standard ACK or NAK reply.
3.14 Read IESS Data Command
This command uploads a stored set of IESS data.
byte 0
byte 1
byte 2
byte 3
byte 4
byte 5
byte 6
The reply to this command is as follows:
byte 0
byte 1
byte 2
byte 3
byte 4
NOTE: Bytes 3 & 4 will contain 7Fh when no valid data is stored for the requested index.
---- TBD
byte TBD
byte TBD
Appendix REM
STX
A RC4000 address
3Dh Write IESS data command code
Index Tens Tens digit of IESS data index (0 if index < 10)
Index Ones Ones digit of IESS data index
ETX
Checksum
STX
A RC4000 address
3Eh Read IESS Data command code
Index Tens Tens digit of IESS data index (0 if index < 10)
Index Ones Ones digit of sat data index
ETX
Checksum
ACK or NAK
address
3Eh
Index Tens Tens digit of IESS data index (0 if index < 10)
Index Ones Ones digit of stored TLE index
ETX
Checksum
REM-26
Remote Control Option