The CW Geek's Guide to Having Fun with Morse Code by Dan Romanchik

Author:Dan Romanchik [Romanchik, Dan]
Language: eng
Format: epub
Tags: Amateur radio
Publisher: Dan Romanchik, KB6NU
Published: 2015-01-08T05:00:00+00:00

Operating “split”

Sometimes you'll hear a DX or special even station append the word UP to their CQs. This means that they are “operating split” and want you to call them on a frequency higher than the frequency they are calling on. What this does is allows other stations to hear F1XYZ clearly, while at the same time allows F1XYZ to pick and choose the stations he wants to reply to. When there are many stations calling a single stations (this is often referred to as a “pileup”), it helps the DX station or special event station make as many contacts as possible.

For example, F1XYZ might send:

CQ DX CQ DX F1XYZ F1XYZ UP

That means he will be listening for calls at least 1 kHz above the frequency that he is on.

To contact this station, you will have to set up your radio to operate in split-frequency mode. That is, you'll have to set it up so that it transmits a kHz or two above the frequency on the main dial, which is the frequency of the DX station. You can use the SPLIT function or the XIT function of your radio to do this.

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