grib/src/main/java/ucar/nc2/grib/grib1/Grib1Gds.java
protected int getOctet3(int start) {
    return GribNumbers.int3(getOctet(start), getOctet(start + 1), getOctet(start + 2));
  }
protected int getOctet3(int start) {
    return GribNumbers.int3(getOctet(start), getOctet(start + 1), getOctet(start + 2));
  }
signed