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RDS Baseband coding structure
The transmission of a RDS group consist of 4 data blocks. These blocks are send continuously, Each block comprises an information word and a checkword. Each information word comprises 16 bits. Each checkword comprises 10 bits.
Blocks are transmitted in the following order A, B, C/C' et D
The A block is used to send
Program Identification code
The 4 data block allows to send various data according to the group type.