deletions | additions       diff --git a/scattering part3.tex b/scattering part3.tex  index bbebaf0..b154aa2 100644  --- a/scattering part3.tex  +++ b/scattering part3.tex 
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Figure \ref{fig:scattering_timescales} shows the best-case scattering broadening as a function of DM for a range of SKA1 observing frequencies. The point at which the scattering timescale exceeds the timescale implied by new versions of SKA1-SYS\_REQ-2961 and SKA1-SYS\_REQ-2962 (see above) ultimately determines the maximum DM for which the SKA1 pulsar timing instrumentation must support phase-coherent dispersion removal. Beyond this DM, the computational cost of coherent dedispersion can be decreased by increasing the number of trading time resolution for  frequency channels into which the signal is divided. resolution.