****** 28 November 2025 ****

401 Hz investigation

Magnetic line injection @405 Hz (axis along Z i.e. parallel to turbo p. body)
start: 18:18:37 UTC
stop:  18:29:32 UTC

Seismic line injection @405 Hz
start: 18:42:13 UTC
stop:  18:50:08 UTC

Magnetic line @405Hz (axis along X)
start: 18:52:27 UTC
stop:  18:58:40 UTC

Magnetic line @405 axis vertical
start: 19:00:00 UTC
stop:  19:06:42 UTC