Not a cloud in a beautiful blue sky, but the horizon has been a blurred haze all day, despite aviation and maritime wx calling it 10+ miles visibility.
Just not the right time of year here, so I'm going to table this "experiment" and report back after I get a good opportunity to record some non-ambiguous observations with my toys.
I honestly think you've done more than enough already. I note that there has been no FE response to your more recent photos, since some are at sunset there is no way to sensibly claim that the "true horizon" is further away and thus higher.
In the real world this is how progress is made. A hypothesis is suggested (that horizon is always at eye level regardless of altitude), an experiment is done to test that hypothesis, the results either add confidence to that hypothesis (note, not prove) or disprove it. So if your experiments showed the horizon at eye level then it would add confidence to the assertion that horizon is always at eye level. It wouldn't prove it, what if you go higher? The more experiments you do from different altitudes all showing the horizon at eye level, the more confidence you would have.
But your photos don't show that, they very clearly show that horizon dips, and dips more the higher you go. This matches the RE hypothesis and adds confidence to the RE model.
It is frustrating that the FE response so far has been "la, la, la, can't hear you" or just trying to find any tiny seed of doubt to claim your experiments are invalid with no attempt to do any experimenting themselves. But whatever, to pretty much everyone else you have done more than enough to disprove the assertion that the horizon always rises to eye level. Good job, as you Americans say. (English translation: "Well done, old bean"
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