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your claim that Portsmouth is inaccurate. How inaccurate are the ratings? Can anyone quantify it?


Completely WRONG.

I tell you the PROCESS IS FLAWED and BROKEN....
The F16 rating was FIXED BY FIAT... not by data. Tha Nacra 5.5uni rating was fixed by time over 5 years. the SC 20 TR was reset to it's historic rating by fiat following rating creep as the Portsmouth process failed.

I am not picking out current ratings that are inaccurate!. I am not blaming anyone... the quality and amount of data don't exist and the process is flawed.

I point to failed procedures and data that took a long time or extraordinary action to fix.

The NacraF20 is a reason to fix the system for the important events like Area Qualifier moving forward.... It's provisional rating is not a problem today. I do not see the PN process improving.

With respect to the need for a development factor in a measurement formula and how to implement or why you need it are best addressed by someone like Simon or the Dutch with Texel. I personally don't see a big problem here.

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