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We present initial results from the Radio Frequency Spectrometer (RFS), thehigh frequency component of the FIELDS experiment on the Parker Solar Probe(PSP). During the first PSP solar encounter (2018 November), only a few smallradio bursts were observed. During the second encounter (2019 April), copiousType III radio bursts occurred, including intervals of radio storms wherebursts occurred continuously. In this paper, we present initial observations ofthe characteristics of Type III radio bursts in the inner heliosphere,calculating occurrence rates, amplitude distributions, and spectral propertiesof the observed bursts. We also report observations of several bursts duringthe second encounter which display circular polarization in the right handpolarized sense, with a degree of polarization of 0.15-0.38 in the range from8-12 MHz. The degree of polarization can be explained either by depolarizationof initially 100% polarized $o$-mode emission, or by direct generation ofemission in the $o$ and $x$-mode simultaneously. Direct in situ observations infuture PSP encounters could provide data which can distinguish thesemechanisms.

Statistics and Polarization of Type III Radio Bursts Observed in the Inner Heliosphere