BasicB-002-003-008
If you are operating simplex on a repeater frequency, why would it be good practice to change to another frequency?
A
Answer
Licensing, station identification, and operation
Type
A
Because you may interfere with users of the repeater
B
Because the repeater's output power may overload your receiver
C
Because there are more repeater operators than simplex operators
D
Because changing the repeater's frequency requires the authorization of Innovation, Science and Economic Development Canada
Answer Notes
Repeaters are designed to provide wide-area coverage for stations that cannot communicate directly. They monitor specific input frequencies and broadcast on specific output frequencies.
If you and another station operate simplex (direct communication) on an active repeater frequency, your transmissions will clash with the system. Transmitting on the input will trigger the repeater and inadvertently broadcast your conversation to everyone. Transmitting on the output will cause direct interference, making it difficult for others in the area to hear the repeater's transmissions.
Good amateur practice requires moving simplex conversations to a designated simplex frequency, which prevents harmful interference to shared repeater systems and keeps them open for those who need the extra range.
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If you are talking to a station using a repeater, how would you find out if you could communicate using simplex instead?
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Which sideband is commonly used for 20-metre voice operation?