However, some of the latest rigs can receive stations wider than 3 kHz. If we can widen the reception filter of the rigs so that they can receive stations above 3000 Hz, for example, it may help alleviate some of the congestion.
The IC-7300, for example, can extend its reception range to 3.6 kHz. And the WSJT-X/JTDX wide graph. As you know, WSJT-X/JTDX can only decode within the range of the displayed wide graph. For example, if you intentionally set the upper limit of the wide graph to 2500 Hz, and you call the station at 2800 Hz, it will not be decoded, and you will not be able to make a QSO forever. In other words, if you set the wide graph to the upper limit of your rig's receive filter, it will decode within that range, and you will be able to make a QSO.
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