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Turbo, An Improved Rainbow Colormap for Visualization
On Tuesday, August 20, 2019 Google posted an interesting colour scheme which they named 'Turbo'. Read more about this in the blog entry (link is above). Below is the colour map in action on the 25m shortwave broadcast band. As of 3.0.13 this is a standard colourmap[ in SDR Console.
Also of interest is the use of a SNR (Signam to Noise) S Meter option.