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We describe PSR J1926-0652, a pulsar recently discovered with theFive-hundred-meter Aperture Spherical radio Telescope (FAST). Using sensitivesingle-pulse detections from FAST and long-term timing observations from theParkes 64-m radio telescope, we probed phenomena on both long and short timescales. The FAST observations covered a wide frequency range from 270 to 800MHz, enabling individual pulses to be studied in detail. The pulsar exhibits atleast four profile components, short-term nulling lasting from 4 to 450 pulses,complex subpulse drifting behaviours and intermittency on scales of tens ofminutes. While the average band spacing P3 is relatively constant acrossdifferent bursts and components, significant variations in the separation ofadjacent bands are seen, especially near the beginning and end of a burst. Bandshapes and slopes are quite variable, especially for the trailing componentsand for the shorter bursts. We show that for each burst the last detectablepulse prior to emission ceasing has different properties compared to otherpulses. These complexities pose challenges for the classic carousel-typemodels.

PSR J1926-0652: A Pulsar with Interesting Emission Properties Discovered at FAST