Long time ago i inherited a python file from a late radio amateur. The file could be used to plot the output of some software defined radio signal strength versus time plot. I still run this plot(s) on daily base but I can not figure out how to get more values for the frequency on the x-axis. I managed to enable the grid, and I can find the setting to have either larger or smaller grid size, but checking on some references for matplotlib in python I don't recognize that setting in my python script. I decided to make the python script (which uploads files to ftp servers) available on github, with removed username and password settings. I added the 2 running plots to the readme.md and I hope someone can point me in the right direction. The code is at https://github.com/zanco/waterfall/tree/main Thanks, Ben I tried with help of google search to find which setting to change but I don't find the suggested setting in the code I use Continue reading...