G8C08:Which of the following statements is true about PSK31?

Direct answer summary (2023-2027 NCVEC pool)

The official correct answer for G8C08 is Upper case letters use longer Varicode bit sequences and thus slow down transmission.

The key fact is Upper case letters use longer Varicode bit sequences and thus slow down transmission. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.