Methods are provided for improving servo-demodulation robustness. SAM pattern detections are characterized as either good SAM detections or bad SAM detections. Further servo functions are then based on whether the detection of the SAM pattern in a servo wedge was characterized as a good SAM detection or characterized as a bad SAM detection.

 
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< Method and apparatus for written-in tracking error composition for linear tape drives

< Electrostatic track following using patterned media

> Lockout mechanism for I/O station of automated library

> Flexible disk drive including sub circuit board with a hall element mounted thereon
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