Software →DXSoft CwGet 2.38

The working area of the program is divided into three windows, the sizes of which can be changed by the user by dragging the borders.
In the top window the current spectrum of a signal (blue line) and a peak detector of spectral components (green line) is shown. Ruler under this window shows frequencies of sound spectrum.The vertical red line in the top window shows the working frequency of the filter. To change the working frequency, click on the desired frequency (probably a peak). The short thick black line is the marker of TX frequency. It is used to help with zero-beat tuning. To change the TX marker position, click on the desired frequency by right mouse button (or by left mouse button with "Ctrl" key pressed).
Operating System:Windows XP/Vista/7/8/10
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https://www.dxsoft.com/en/products/cwget/