The new meters arrived at the substation at eleven-forty.
Dayo had built them over two nights. Not in the workshop he would have preferred but at Ren's kitchen table with the components he had sourced through the same specialist supplier that was providing materials for the substation build. Four units. Each one designed to measure frequency components in the electromagnetic field range that standard meters could not resolve — the specific range where Dayo believed Otieno's output frequency and the city grid's sixty-hertz operating frequency would show interaction patterns.
He set them up alongside the standard meter array in the main hall and ran a calibration check before Otieno arrived.
The calibration showed something he had not expected.
The city grid's electromagnetic field — the
