Question
What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?
Answer Options
- A) Beacon station
- B) Earth station
- C) Repeater station
- D) Message forwarding station
Correct Answer: C
Explanation
A Repeater station is specifically designed for this function: it receives a signal on one frequency (the input or uplink) and immediately and automatically retransmits it simultaneously on a different frequency (the output or downlink). This is known as duplex operation.
The repeater acts as a high-powered, high-altitude relay that greatly extends the range of low-powered mobile and handheld radios, which is essential for VHF/UHF communication across wide areas.
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