grib/src/main/java/ucar/nc2/grib/grib1/tables/AfwaTables.java
@Override
  public String getSubCenterName(int subcenter) {
    if (subcenterMap == null)
      subcenterMap = makeSubcenterMap();
    return subcenterMap.get(subcenter);
  }
@Override
  public String getSubCenterName(int subcenter) {
    if (subcenterMap == null)
      subcenterMap = makeSubcenterMap();
    return subcenterMap.get(subcenter);
  }
subcenters