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\section{Experimental Setup}  The plasma was created by an inductively coupled RF source operating at a power of 210 W with 5.5×10\textsuperscript{−3} torr Helium as the working gas. A voltage sweep was put across a langmuir probe 70 cm from the RF source 0.1 ms into the afterglow and with a rep rate of 5.1 (\textbf{M?})Hz. A magnetic field was applied to the device through the use of two sets of four coaxial magnets created using 59.0 A and 24.5 A currents laid out around the device and resulting in a radially symmetric magnetic field through the device averaging to about 63.5 Gauss along the length. Measurements of the magnetic field using a hall probe is shown in figure 2, where position 2 is just after the source. (\textbf{I can't really use my argument unless I know where the positions correlate on the device in terms of distance from the source. I think position 2 is just after the source, but i cannot guarantee that.}) Whistler waves were generated in the plasma using a wave form waveform  generating antenna, set to 110 MHz. To make a duct, a copper circular plate 5 cm in diameter was installed 39.0 cm (\textbf{That's almost half a meter. Maybe 3.9 cm?}) distance from the source between the source and the whistler wave launch antenna. The disc is biased to collect electrons. The plasma in turn will try to retain quasi-neutrality by parting the ions. This creates a density profile and "ducts" the wave [2]. A B-dot probe was used to measure the change in the magnetic field due to the wave over an axial range of 4.8 cm - 44.8 cm from the RF source and -45\textsuperscript{o} to 45\textsuperscript{o} radially. The B-dot probe used in this experiment consists of 6 faces of a wire of one loop in a cube orientation. When the loop of wire detects a change in magnetic flux, there will be an induced voltage by faradays law.