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\section{Data Analysis}  The measurements have been plotted figures 3 through 5. Figure 3 shows waves launched 1.2 $\mu$s after being triggered.  First waves are seen propagating towards density minimum, where the duct is located. Looking at figure 2, the magnetic field meaurements were  maybe because the magnetic field was higher than critical magnetic field for 110 MHz. After certain amount of time, wave fronts travel towards density maximum, presumably after entering region of lower magnetic field where $\omega$ > $\frac{\omega_{ce}}{2}$. Plotting magnetic field magnitudes for x and y, as shown in figure  it can be seen that the plasma is right-  hand elliptically polarized.