*Question T1D08:
[97.113(a)(3)(iii)] In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?*  

*Correct Answer is  B: When the communication is incidental to classroom instruction at an educational institution*  

### AI Response: (may contain errors)  

The correct answer to the question is **B: When the communication is incidental to classroom instruction at an educational institution**. Here’s why this answer is correct and why the others are not:

### Explanation of the Correct Answer (B)
- **Classroom Instruction**: The FCC allows control operators to receive compensation for operating an amateur station when the communication is incidental to classroom instruction at an educational institution. This means that if the operation is part of a teaching activity, it is permissible to receive compensation.

### Explanation of Incorrect Answers
- **A: When the communication is related to the sale of amateur equipment by the control operator's employer**  
  - This is incorrect because amateur radio operators cannot receive compensation for communications that are primarily commercial in nature. The amateur service is intended for non-commercial use, and any communication related to sales would violate this principle.

- **C: When the communication is made to obtain emergency information for a local broadcast station**  
  - This is also incorrect. While amateur operators can assist in emergencies, they cannot receive compensation for such communications. The amateur service is meant for personal use and not for commercial broadcasting or profit.

- **D: All these choices are correct**  
  - This is incorrect because not all the choices are valid circumstances under which a control operator can receive compensation. Only option B is correct.

### Summary
- The only situation where compensation is allowed is when the communication is incidental to classroom instruction at an educational institution. This aligns with the FCC regulations that govern amateur radio operations, emphasizing non-commercial use.

### Key Rule of Thumb
- Remember that amateur radio is primarily for personal, non-commercial communication. Compensation is only allowed in specific educational contexts, reinforcing the non-commercial nature of amateur radio.