T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

1. AWhen the communication is related to the sale of amateur equipment by the control operator's employer
2. BWhen the communication is a part of classroom instruction at an educational institution
3. CWhen the communication is made to obtain emergency information for a local broadcast station
4. DAll these choices are correct

Pick an answer to check it.