Comparison of WHFI solutions; frequencies, ω_r/|Ω_e| (left); and growth rates, γ/|Ω_e| (right) as functions of wave number, kc/ω_pe, obtained with DIS-K (dots) and ALPS (solid lines) for the reference case in Fig. 8, including the halo and strahl with Maxwellian (blue) and SKDs (red), and two additional configurations with the RKD halo and strahl populations: (α_h = α_s = 0.25), κ_h = κ_s = 3.0 (green), and κ_h = κ_s = 1.5 (purple). The parameters used are indicated in the title. The agreement between DIS-K and ALPS solutions is very good.