anchor.diff:          altitude = parse_altitude(Altitude),
           valid = parse_valid(Validity),
           attributes = #{
  -          ?KEY_MCC => parse_mcc(Mcc),
  -          ?KEY_MNC => parse_mnc(Mnc),
  -          ?KEY_LAC => parse_lac(Lac),
  -          ?KEY_CELL => parse_cell(Cell)
  +          %%?KEY_MCC => parse_mcc(Mcc),
  +          %%?KEY_MNC => parse_mnc(Mnc),
  +          %%?KEY_LAC => parse_lac(Lac),
  +          %%?KEY_CELL => parse_cell(Cell)
             %%<<"odometer">> => parse_odometer(Odometer),
             %%<<"battery">> => parse_battery(Battery)
           }
  
positive.code:   {error, <<"Unknown packet">>}.
  
  
  parse_mcc(Mcc) ->
    Mcc.
  
  parse_mnc(Mnc) ->
    Mnc.
  
  parse_lac(Lac) ->
    Lac.
  
  parse_cell(Cell) ->
    Cell.
  
  %%parse_odometer(Odometer) ->
  %%    Odometer.
  
negative.code: 
  parse(Data = <<"+RESP:GTFRI", _/binary>>) ->
    case em_regexp:match(Data, ?PATTERN_FRI) of
      {ok, [_, Imei, Validity, Speed, Course, Altitude, Longitude, Latitude, Year, Month, Day, Hour, Minute, Second,  _Mcc, _Mnc, _Lac, _Cell | _]} ->
        Position = #position{
          deviceTime = parse_date(Year, Month, Day, Hour, Minute, Second),
          latitude = parse_coord(Latitude),
  