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Syllabus Sections:- 7A1 48 Understand the reasons why some stations may use split Tx and Rx frequencies within a frequency band. Sometimes,
and especially with a DX stations who may call CQ and
end with "CQ up 5" at the end of the initial over,
indicating that they are listening on a different
frequency than they are transmitting on, often used for
possible pileups where several stations will be trying
to contact a single special or rare station.. Additionally
when working via a repeater on the mainly the VHF/UHF
bands you are using a split frequency for transmit and
receive ! That is why you have offset settings to
program into your radio. -----------------------------------------------------------------------------
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