In walkthrough jupyter notebook,the elevation angle of the satellite seen by the receiver may be mistaken.

[zhangyu74]

The satellite elevation angle converted to degrees is [14.94730363 49.66439056 13.87421893 23.14734976 76.25142363 24.01437015 25.70185652 51.42118927 48.50592112].I may be mistaken, but I think there may be something wrong with the picture below.