This is a very interesting paper with a unique measurement on a full scale wt.

I have only three small comments/recommendations:

1) In Fig. 6b the green tape is hardly visible. It would be nice if a close-up photo could be included.

2) If any turbulence data from the met mats are available they should be mention in chapter 3.

3) The existence of the VGs should be mentioned already in section 2.3.2

General comments:

A very nice article about the evolution of an innovative measurement technique that contributes to closing the gap between the wind tunnel results used in design and unknown sectional performance in the field. From this viewpoint the article provides new and valuable insight and is worthy of publication. The storyline is clear and well conveyed.

It is recommended to follow up on the below suggestions for improvement:

-p4/5 section 2.2.1

Can the authors comment on the applicability of Jones' method in a rotor setting? In particular concerning static pressure assumptions made by this method and the static pressure variations that might be present due to rotor blockage. 

-p5 section 2.2.1

Some illustration of the mentioned results from the parameter variations are recommended. In addition to that, has the influence of the downstream position of the wake rake on the result also been verified?

-p12 section 2.3.6 and section 4

The block and moving averaging procedure is explained to act as a low pass filter. In the end the results are presented by means of sectional polar plots like fig.10, which appear quite steady without hysteresis. In how far does the post-processing procedure filter out the dynamics present in the field? What is the non-dimensional frequency k at this section based on 1P? Would it be interesting to also show a polar plot like figure 10 without the pre-processing procedure (based on raw data),or would that result in a rather large cloud op points?  

-p13 section 2.3.7 Uncertainty 

Pressure measurements on wind turbines are often complicated by drift due to e.g. temperature changes and the difficulty of a providing a stable reference pressure. Although there is a referral to a previous paper from 2022 about this measurement system, could the authors comment on these challenges in relation to their system?

-p16 section 4

A discrepancy in the drag coefficient between field and wind tunnel is noted. Is the same offset present between RTR and wind tunnel?

-It is mentioned that the turbine has been instrumented to measure loads and power. It would be helpful if the influence of the added external sectional instrumentation on the loads and power can be quantified. Also, have the effects of flaps and zz-tape on power and loads also been measured or were these effects too small?