Question Pool -- Category E2C

Which of the following is typical of operations during an international amateur DX contest?
A.
Calling CQ is always done on an odd minute and listening is always done on an even minute
B.
Contacting a DX station is best accomplished when the WWV K index is above a reading of 8
C.
Some DX operators use split frequency operations (transmitting on a frequency different from the receiving frequency)
D.
DX contacts during the day are never possible because of known band attenuation from the sun

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