[TowerTalk] How accurate are iPhone Compass apps?

[Dick Green WC1M]

When IOS 4 first came out, I made the mistake of updating my old iPhone 3G.
I soon discovered how to go back to older versions of the OS. There are lots
of websites with instructions on how to do that.

In contrast, when I updated my iPhone 4 to iOS 5, I had no problems at all.
Perhaps Apple learned its lesson.

73, Dick WC1M

-----Original Message-----
From: W2RU - Bud Hippisley [mailto:W2RU at frontiernet.net] 
Sent: Wednesday, January 04, 2012 3:55 PM
To: Mike
Cc: towertalk at contesting.com
Subject: Re: [TowerTalk] How accurate are iPhone Compass apps?

Very interesting, Mike....the testing against known headings that I did on
MY iPhone was only AFTER updating it to iOS5 (which was a horrible mistake,
but that's a story for a different reflector).

Bud, W2RU
 
On Jan 4, 2012, at 3:51 PM, Mike wrote:

> My iPhone4 iOS5 comes up 90 degrees off about half the time. Should be 
> pointing N, but is pointing E. It never did that with a previous OS.
> 73, Mike NF4L