code: def flagants(self, threshold=50):
          
  
          # identify very low gain amps not already flagged
          badsols = n.where( (n.median(self.amp)/self.amp > threshold) & (self.flagged == False))[0]
          if len(badsols):
              self.logger.info('Solutions %s flagged (times %s, ants %s, freqs %s) for low gain amplitude.' % (str(badsols), self.mjd[badsols], self.antname[badsols], self.ifid[badsols]))
              for sol in badsols:
                  self.flagged[sol] = True
docs: Flags solutions with amplitude more than threshold larger than median.