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In this work we report the results of a nineteen-month Fast Radio Burstobservational campaign carried out with the North-South arm of the MedicinaNorthern Cross radio telescope at 408~MHz in which we monitored four repeatingsources: FRB20180916B, FRB20181030A, FRB20200120E and FRB20201124A. We presentthe current state of the instrument and the detection and characterisation ofthree bursts from FRB20180916B. Given our observing time, our detections areconsistent with the event number we expect from the known burst rate ($2.7 \pm1.9$ above our 10$\sigma$, 38~Jy~ms detection threshold) in the 5.2 day activewindow of the source, further confirming the source periodicity. We detect nobursts from the other sources. We turn this result into a 95\% confidence levellower limit on the slope of the differential fluence distribution $\alpha$ tobe $\alpha > 2.1$ and $\alpha > 2.2$ for FRB20181030A and FRB20200120Erespectively. Given the known rate for FRB20201124A, we expect $1.0 \pm 1.1$bursts from our campaign, consistent with our non-detection.

The Northern Cross Fast Radio Burst project - II. Monitoring of repeating FRB 20180916B, 20181030A, 20200120E and 20201124A