The measured data confirms Appleton’s equation as a good theory for whistler waves in a plasma, with a majority of the theoretical data falling between the error bars. The data was mainly limited by the method in which the wavelengths were acquired. If the data set taken covered a larger set of radial positions, more wavelengths at larger angles could have been measured.If allowed to do the experiment, proper density measurements would have been taken to allow for greater precision for the index of refraction.