Frequency-domain anisotropy decays (Differential Polarized Phase Angle and Amplitude Ratio) of TNS in propylene glycol measured on ChronosFD using a 300-nm LED. The emission was collected using a WG320 long-pass filter. Calculated values for θ = 5.03 ns with R0 = 0.30 and τ = 7.8 ns, T = 27°C.