Skyworks DD02-999LF Directional Detector Elecraft W1 Power Meter KN5L Current Meter Prototype
Load resistance, 2.48k Ohm, selected for match at 0.4 and 1.7 Vrms input.
V = 0.3xx Volts, Used top two 60s in compensation op-amp circuit.
Schematic, Figure 20 Raw Data (VrmsIn Vout)