SERP Changes depending on ISP

[awdgareth]

If I search Google for my site using my mobile internet provider I get different results from my main internet.

Before anyone suggests it, it's nothing to do with saved searches as I'm clearing cookies and I've tried on multiple different platforms.

I can plug my iPad and use my wireless, it's my normal rankings, but as soon as I switch to my mobile provider for internet, I'm 3rd instead of 2nd on the SERPs.

Any ideas?

[StephenForde]

Are you logged into Google?

[awdgareth]

Logged in or out, it's the same! I actually tried two different mobile networks, both had the same results. I did think maybe Google are testing an algo with mobiles to display which one is more mobile friendly higher?

[WhoWuddaThunk]

Your results can change based on the Google data center that is utilized.  Perhaps your mobile devices utilize a different one than your computers?