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سؤال 323

What does it mean if a satellite is operating in U/V mode?

  1. The satellite uplink is in the 15-meter band and the downlink is in the 10-meter band
  2. The satellite uplink is in the 70-centimeter band and the downlink is in the 2-meter bandپاسخ درست
  3. The satellite operates using ultraviolet frequencies
  4. The satellite frequencies are usually variable

توضیح

In the letter designation the first letter is the uplink band and the second the downlink, with U meaning UHF, the 70 centimeter band, and V meaning VHF, the 2 meter band. So U/V means transmitting on 70 centimeters and listening on 2 meters; U here has nothing to do with ultraviolet.

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شروع تمرین
سؤال 323: What does it mean if a satellite is operating in U/V mode? · FCC Technician Class (Element 2) · Questena