Frequent Questions

What is the effect on the DCGLW when I decrease or increase the survey unit size?

In general, when you use a survey unit size smaller than the modeled survey unit size, it is possible that you could take more measurements than necessary using the same the DCGLW. However, if the size is not significantly smaller, it will usually be simpler to make the number of measurements calculated, rather than re-deriving a new DCGLW with new modeling. If the survey unit is larger than what was modeled, then you should divide the survey unit into sizes that conform to the model. Alternatively, you may re-calculate the DCGLW to conform with the larger survey unit size by inserting the larger survey unit size into the model. In either case, approval from the regulator is recommended before making changes to survey unit sizes.

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