Figure 5.

BSRFs measured locally and in one other study, for applicator size of 10 cm, at the surface of the lead sheet, with 1 mm depth of solid water before the lead and in‐air with no lead. Error bars have been omitted for clarity.

BSRFs measured locally and in one other study, for applicator size of 10 cm, at the surface of the lead sheet, with 1 mm depth of solid water before the lead and in‐air with no lead. Error bars have been omitted for clarity.