Microwave Structural Health Monitoring of the Grouted Connection of a Monopile-Based Offshore Wind Turbine: Fatigue Testing Using a Scaled Laboratory Demonstrator

Table 2

Antenna placement on the grouted connection.

Color	Cable length (m)	Channel	Angle at center (°)	Circumference at center (cm)
Black	2	Tx1	0	0.0
Red	2	Rx3	72	70.2
White	2	Tx2	144	140.5
Yellow	2	Rx2	216	210.7
Blue	2	Rx1	307	299.5