G1B04 (C) [97.113(c)]
Which of the following transmissions is permitted for all amateur stations?
A. Unidentified transmissions of less than 10 seconds duration for test purposes only
B. Automatic retransmission of other amateur signals by any amateur station
C. Occasional retransmission of weather and propagation forecast information from US government stations
D. Encrypted messages, if not intended to facilitate a criminal act
