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Apple Users

Jerry2144

(2,669 posts)

8. It's easier to measure with a couple magnetic coils

Reply to WheelWalker (Reply #6)

Thu Apr 20, 2023, 03:34 PM

Apr 2023

True north would rely upon the gyroscopes and a gps calibration to figure orientation. It would take more power. And figuring the offer for magnetic version true takes more computing power since it had to find where you are on the ball of dust and adjust accordingly.

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I just discovered my iPhone "compass" app. [View all] WheelWalker Apr 2023 OP

It shows magnetic north. Ocelot II Apr 2023 #1

So it does. And subject to local attractions, as well. WheelWalker Apr 2023 #5

That's how non-digital, "real" compasses work - they indicate magnetic north. Ocelot II Apr 2023 #12

It also has an altimeter and your gps location... ret5hd Apr 2023 #2

It is magnetic Jerry2144 Apr 2023 #3

So it is. I would never have imagined so. How bizarre. WheelWalker Apr 2023 #6

It's easier to measure with a couple magnetic coils Jerry2144 Apr 2023 #8

Ah, I suspected something along those lines but don't know enough about anything WheelWalker Apr 2023 #9

You're welcome Jerry2144 Apr 2023 #11

I checked the altimeter with a known source and it is a foot or so off..not bad.. mitch96 Apr 2023 #4

I collect lots of apps. I look for the daily "gone free" and discounted apps. usonian Apr 2023 #7

It's almost unbelievable. WheelWalker Apr 2023 #10