Question
How are the transceiver audio input and output connected in a station configured to operate using FT8?
Answer Options
- A) To a computer running a terminal program and connected to a terminal node controller unit
- B) To the audio input and output of a computer running WSJT-X software
- C) To an FT8 conversion unit, a keyboard, and a computer monitor
- D) To a computer connected to the FT8converter.com website
Correct Answer: B
Explanation
FT8 is a modern digital mode (T8D13) that relies on a computer program (commonly WSJT-X) to encode and decode the data. The digital data is converted into complex audio tones, which the radio then transmits as a Single Sideband (SSB) signal.
Therefore, the computer must be interfaced with the radio’s audio system. The computer’s soundcard (or an external digital interface) must be connected to the audio input and output of a computer running WSJT-X software. This carries the received audio (from radio to computer for decoding) and the transmit audio (from computer to radio for transmission).
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