PART 220—RAILROAD COMMUNICATIONS
Contents
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A
Subpart A—General Sections 220.1–220.13 -
Appendix A to Part 220
Appendix A to Part 220—Recommended Phonetic Alphabet -
Appendix B to Part 220
Appendix B to Part 220—Recommended Pronunciation of Numerals -
B
Subpart B—Radio and Wireless Communication Procedures Sections 220.21–220.61 -
C
Subpart C—Electronic Devices Sections 220.301–220.315