Nozzle Type is a clumsy way of specifying flow/precipitation rate

I don’t get how giving a precip rate is any less accurate than giving the other two figures in the equation. No matter what you end up in exactly the same end result. Honestly precip rate and doing a catch test is more accurate in my book because then you actually start to get an understanding of your coverage efficiency rather than just I sent this much water into this large of an area.