// Physical Units
for (vr=0; vr<NumVars; vr++) {
if (!write_tag(TAG_UNITS, 24, newfile)) return false;
f.writeInt(vr);
for (int q=0; q<20; q++) f.writeByte((byte) Units[vr][q]);
}
// Date and time of each timestep
for (time=0; time<NumTimes; time++) {
if (!write_tag(TAG_TIME, 8, newfile)) return false;