def strip_fhss(self, idx):
fhss = collections.namedtuple('<STR_LIT>', ['<STR_LIT>', '<STR_LIT>'])<EOL>fhss.hopset, fhss.pattern, = struct.unpack_from('<STR_LIT>', self._rtap, idx)<EOL>return idx + <NUM_LIT:2>, fhss<EOL>
strip (2 byte) radiotap.fhss.hopset(1 byte) and
        radiotap.fhss.pattern(1 byte)
        :idx: int
        :return: int
            idx
        :return: collections.namedtuple