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Our setup consisted of a TeachSpin Earth's-Field NMR instrument, as well as two variable current inputs and an oscilloscope. The Earth's Field NMR instrument consisted of a solenoid, gradient coils, and Helmholtz coils, the magnetic field of which could all be varied separately. \textbf{(I will create and insert a more detailed figure of these)}   In our experiment, we were performing NMR on $H_{2}O$. As shown in Fig. ,the bottle of water was inserted into the center of the solenoid. The parts of the apparatus which were key to performing the NMR are the solenoid, Helmholtz coils, and gradient coils, the magnetic field of ewhich could all be varied separately, as well as the bandpass filter, discussed below.// below.  The solenoid, with a coil constant of 15mT/A, was used to apply a magnetic field to polarize the water. The magnetic field of the solenoid could be varied used a variable current input. The field of the Helmholtz coils, which effectively artificially increased or decreased the Earth's magnetic field applied in the sample, was adjusted using a separate variable current input. The gradient coils changed the gradient of the magnetic field in the x, y, and z directions, but the gradient was not varied over the course of this experiment.