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Listen carefully
before you call a DX
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station on his
frequency
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Rare DX
stations often work SPLIT
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DX station
announces Up
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Calling stations
transmit up (usually 2-5 Khz)
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Everybody else
can hear him without QRMing him
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40 Meter SSB
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DX stations
cant operate above 7.100 Mhz
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Listen for DX
station to indicate listening
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frequency (QSX)
in US phone band
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