Question
What precaution should be taken if you install an indoor transmitting antenna?
Answer Options
- A) Locate the antenna close to your operating position to minimize feed-line radiation
- B) Position the antenna along the edge of a wall to reduce parasitic radiation
- C) Make sure that MPE limits are not exceeded in occupied areas
- D) Make sure the antenna is properly shielded
Correct Answer: C
Explanation
Installing an indoor transmitting antenna (e.g., in an attic or closet) presents a unique and often high risk of human exposure, as the antenna is extremely close to occupied areas. The radiation from the antenna will be high inside the structure.
Therefore, the most important precaution is to make sure that MPE limits are not exceeded in occupied areas, including the operating station itself, adjacent rooms, and other residential areas. This usually requires a detailed field strength measurement or computer modeling to verify that the power density remains below permissible limits in the locations where people are present.
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