Figure 3. Message Fomat and Addressing
Figure Note:
1. PI code = Program Identification code = 16 bits (see
Section 3.2.1.1. and annex D of the RBDS Standard)
2.Checkword + offset “n”=10 bits added to provide error protection and block and group synchronization information
(see Sections 2.3 and 2.4 and annexs A,B and C of the RBDS Standard)
3. Group type code = 4bits A [3:0](see Section 3.1 of the RBDS Standard)
4. Bo = version code = 1bit(see Section 3.1 of the RBDS Standard)
5. TP = Traffic Program Identification code = 1bit (see Section 3.2.1.3 of the RBDS standard)
6. PTY = Program Type code = 5 bits PT [4:0] (see Section 3.2.1.2 and annex F of the RBDS Standard)
7. t1 < t2 Block 1 of any particular is transmitted first and block4 last