code: public static DateTime adjustedStandardGpsTime2DateTime( double adjustedStandardGpsTime ) {
          // gps time is adjusted gps time
          double standardGpsTimeSeconds = adjustedStandardGpsTime + 1E9;
          double standardGpsTimeMillis = standardGpsTimeSeconds * 1000;
          DateTime dt1 = gpsEpoch.plus((long) standardGpsTimeMillis);
          return dt1;
      }
docs: Converts las adjusted standard gps time to {@link DateTime}.
  
  @param adjustedStandardGpsTime the time value.
  @return the UTC date object.