Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

A magnetic tape apparatus comprising:

• a magnetic tape;
• a reading element unit;
• and
• an extraction unit,
• wherein the magnetic tape comprises:
• a non-magnetic support;
• and
• a magnetic layer including ferromagnetic powder and a binding agent,
• wherein the magnetic layer has a timing-based servo pattern,
• an edge shape of the timing-based servo pattern, specified by magnetic force microscopy is a shape in which a difference L99.9-L0.1 between a value L99.9 of a cumulative distribution function of 99.9% and a value L0.1 of a cumulative distribution function of 0.1% in a position deviation width from an ideal shape of the magnetic tape in a longitudinal direction is 180 nm or less, and
• an isoelectric point of a surface zeta potential of the magnetic layer is 3.8 or less;
• the reading element unit includes a plurality of reading elements each of which reads data from a specific track region including a reading target track in a track region included in the magnetic tape;
• the extraction unit performs a waveform equalization process with respect to each reading result for each reading element, to extract, from the reading result, data derived from the reading target track;
• and
• the waveform equalization process is a waveform equalization process according to a deviation amount in position between the magnetic tape and the reading element unit.