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Question 99

What is VARA?

  1. A low signal-to-noise digital mode used for EME (moonbounce)
  2. A digital protocol used with WinlinkCorrect answer
  3. A radio direction finding system used on VHF and UHF
  4. A DX spotting system using a network of software defined radios

Explanation

VARA is a software modem protocol, most familiar as one of the transports Winlink uses over HF and VHF. It is not a weak-signal EME mode, a direction finding system or a spotting network.

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Question 99: What is VARA? · FCC General Class (Element 3) · Questena