hoppy, that was hysterical to read, and a spectacular job of dragging red herrings across the trail!

This horizon is less than 1degree lower than flat. Within the margin of error for a hand held device.

Even though you were reading the wrong scale, you do bring up a good point here.

**Cartesian**, is there a way to calibrate that app? Calculate the angle to horizon from 200 meters; it

*is* slightly downward, but a

*lot* less than the 1.8° indicated.

Everything from hoppy after is, as someone said recently "pure comedy gold" and a legendary example of attempting to divert from an uncomfortable topic. You must have held 'em off for a couple hours, at least.

In that same post you move right along to

Even the the azimuth is reading 90.

Warm 'em up with a good chorus of

*WTF?*...

then into the bafflegab

Either side, left or right will be lower. If you look out of the other sides of the building, you will see that you are on top of a circle. The limiting factor is your eyesight, you can see to the horizon in a radius. For example if you can see 200 miles straight ahead, itwill be a bit shorter to the left and right, as the 200 miles will be diagonal.

The most important factor is the straight ahead azimuth reading. If it reads 90, it is flat.

This is great stuff! Distance to horizon looking left, right, and straight ahead from a building are different! The diagonal of a circle!

Why is 90° azimuth "straight ahead?" Is this the building in Monty Python's

*The Crimson Permanent Assurance* ("Sailing the Accountancy") short[nb]This is a 16

^{1}/

_{2}-minute video. It's worth it if you have the time and suitable bandwidth. You were warned. Here's a

plot synopsis if you prefer.[/nb]? Given the ending of that story, I can see how it fits your ideas. What if the building is sailing west instead of east? Is the horizon even closer or further away when looking "aft", maybe from the little room with the teakettle or something?

I am trying to tell you that to the left or right side is going to be lower than the straight ahead. If your vision can see 200 miles straight ahead to the horizon, and you can see 200 miles to the right and left. Then you have a semi circle, where anything to the right and left will be lower than straight ahead. That will make a circle, which is different thana sphere.

Now you really flog the 200 miles to horizon from a completely different discussion. There's obviously an MotRH[nb]Master of the Red Herring.[/nb] at work here. The left-right-ahead thing has already been done, but no one is at the top of his game all the time.

IDK why you are trying be difficult.

OK... now a feint. Deflection sometimes works.

I am just saying the horizon is a circle around you.

One with a

*diagonal*! You don't see those every day! And different distances in different directions! That's

some circle.

Of course the phone app is going to show lower to the left and right. Straight ahead the horizon is eyelevel, pretty much what the app is saying.

So the horizon is lower left and right, and higher straight ahead? And it's still a circle! A circle with a diagonal!

Brilliant! Thanks for the laughs and you wield a ripe herring! Well done!

Who writes your material?