Posted for "Reinath, Michael S. (ARC-AM)" <michael.s.reinath@nasa.gov>:

> Yesterday I noticed that my iPhone 4s GPS accuracy was significantly
> poorer than normal. The Foreflight accuracy showed only 65m. Today I am
> seeing the same thing. My iPad, however, shows the normal 5m to 10m
> accuracy. I first noticed this yesterday when I tried to use my running
> app. The GSP bar would not go green. I started Foreflight and could not
> get better than 65m on the iPhone. The same thing happened today. I have
> been using this app since last summer five times a week and this is the
> first time I have had this problem. I have always been able to get at
> least 10m in Foreflight on the iPhone. I did a quick Google search and
> found 2 different forums where postings have been made about the same
> issue in the past two days -- poorer than normal accuracy, starting about
> two days ago.
>
> Anyone know what¹s going on? Weaker GPS signal? Solar flares? Anyone
> notice this on other iPhone models?
>
> Mike Reinath
> LNC2 N3602M
>