Histogram of beam displacements, produced by converting the frequency span of individual bursts in the dynamic spectra to distances using a TCD density model. An interesting result here is that the forward drift bursts (those travelling away from the Sun) tend to travel larger distances than the reverse drift (those travelling toward the Sun). It is clear that the positive drift bursts solely make up the high-end tail of this histogram. This may be an indication that electron beams travelling toward the surface stop travelling (or stop emitting) sooner than those travelling away from the Sun. The bin size is calculated from minimum detectable shift over two pixels (0.9 MHz) in the dynamic spectrum, giving a 0.03 R_⊙ bin size.