G1B04 : 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
Correct Answer: Occasional retransmission of weather and propagation forecast information from US government stations