'Turns the NMEAProtocol timestamp notation into a datetime.time object.
The time in this object is expressed as Zulu time.'

def _fixTimestamp(self):

    timestamp = self.currentSentence.timestamp.split('.')[0]
    timeObject = datetime.datetime.strptime(timestamp, '%H%M%S').time()
    self._sentenceData['_time'] = timeObject
