The present invention relates to apparatus for calculating {HEAD ~ skew} in {TAIL ~ a multi channel longitudinal recorder} 
The present invention relates to apparatus for calculating { HEAD ~ skew } in { TAIL ~ a multi channel longitudinal recorder }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL