BFBS 0(< X@ Simple Measurement table|øxSimple8ÿÿÿ H8 second input, also 16 i32s long¨ÿÿÿinput1˜ÿÿÿP@ first input, 16 i32s long input0  P@ identifier for the sensor   source_id \H nanoseconds since epoch in UTC   timestamp_utc_nanos