fNRows = AliTPCROC::Instance()->GetNRows(fSector);
fkIndexes = AliTPCROC::Instance()->GetRowIndexes(fSector);
//
+ if (fData) delete [] fData;
fData = new Float_t[fNChannels];
for (UInt_t idata = 0; idata< fNChannels; idata++) fData[idata] = param.fData[idata];
return (*this);