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21 lines
1.0 KiB
Plaintext
21 lines
1.0 KiB
Plaintext
// Status=review
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Set up the Wide Graph (also called the Waterfall). It is important to set appropriate lower and upper
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audio frequency limits for the Wide Graph because these limits define the FT8 decoder's search window.
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- Set *Start* = 100 Hz.
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- Set *Bins/Pixel* = 5. Smaller/larger values make the Wide Graph cover a smaller/larger
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frequency range.
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- Use the mouse to grab the left or right edge of the *Wide Graph*, and
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adjust its width so that the upper frequency limit is about 3300 Hz.
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- Set *N Avg* = 2. Smaller/larger values will make the wide graph update more/less frequently, resulting
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in signals being more/less spread out in the vertical (time) direction on the Wide Graph spectrogram.
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Larger values make it easier to see very weak signals.
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- *Palette* = Digipan
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- *Flatten* = checked
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- Select *Cumulative* for data display
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- *Gain* and *Zero* sliders for waterfall and spectrum set near midscale
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- Set *Spec* = 25%. This value determines the percentage of the vertical size of the Wide Graph
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that will be used for the line plot of the spectrum.
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