Added SBAS attempt and enabled messages.

            for list_ix, u in enumerate(unpacked):

                lists[list_ix][i] = u

class UbloxPackageNavPosLLH(UbloxPackage):

    ubx_name = 'NAV-POSLLH'

    ubx_id = b'\x01\x02'

        values = struct.unpack('I2i2I', self.package)

        self._dict.update(dict(zip(names, values)))

class UbloxPackageSBAS(UbloxPackage):

    ubx_name = 'NAV-SBAS'

    ubx_id = b'\x01\x32'

    def __init__(self, ubx_id, tov, package, toa, tot, timestamp):

        UbloxPackage.__init__(self, ubx_id, tov, package, toa, tot, timestamp)

        names = ('iTow', 'geo', 'mode', 'sys', 'service', 'cnt', 'res1', 'res2', 'res3')

        self._dict.update(names, struct.unpack_from('I2Bb5B', self.package, 0))

        cnt = self._dict['cnt']

        sbas_data = [{} for _ in range(cnt)]

        for ix, data in enumerate(sbas_data):

            names = ('svid', 'flags', 'udre', 'svService', 'reserved2', 'prc', 'reserved3', 'ic')

            data.update(names, struct.unpack_from('6BhHh', self.package, 12 + 12*ix))

MSG_TYPES = [UbloxPackageRxmRawX, UbloxPackageNavPosLLH, UbloxPackageRxmSfrbX,

             UbloxPackageNavPosECEF, UbloxPackageNavVelEcef]

             UbloxPackageNavPosECEF, UbloxPackageNavVelEcef, UbloxPackageNavVelNED,

             UbloxPackagePVT, UbloxPackageNavClock, UbloxPackageSBAS]

UBX_MSG_TYPES = dict([(t.ubx_id, t) for t in MSG_TYPES])