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Code of Federal Regulations
Title 49
Chapter II
Part 220
Subpart B
Radio and Wireless Communication Procedures
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220.21
Railroad operating rules; radio communications; recordkeeping.
220.23
Publication of radio information.
220.25
Instruction and operational testing of employees.
220.27
Identification.
220.29
Statement of letters and numbers in radio communications.
220.31
Initiating a radio transmission.
220.33
Receiving a radio transmission.
220.35
Ending a radio transmission.
220.37
Testing radio and wireless communication equipment.
220.38
Communication equipment failure.
220.39
Continuous radio monitoring.
220.41
[Reserved]
220.43
Radio communications consistent with federal regulations and railroad operating rules.
220.45
Radio communication shall be complete.
220.47
Emergency radio transmissions.
220.49
Radio communication used in shoving, backing or pushing movements.
220.51
Radio communications and signal indications.
220.61
Radio transmission of mandatory directives.