In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?
When the communication is related to the sale of amateur equipment by the control operator's employer
When the communication is a part of classroom instruction at an educational institution✓Bonne réponse
When the communication is made to obtain emergency information for a local broadcast station
All these choices are correct
Explication
Compensation is allowed when it is incidental to a teaching position and the station is used as part of classroom instruction. Operating on behalf of an employer selling equipment involves a pecuniary interest, and gathering news for a broadcaster is separately prohibited.