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David, I wouldn’t consider an iPhone as a primary GPS …
but it could be used as backup … after landing, turn it back into a cell
phone and close flight plan.
Jeff
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On Behalf Of David Moyer
Sent: Wednesday, June 17, 2009 12:36 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: MotionX-GPS as a flight instrument?
Also check out Checklist Lite, also free. I use the GPS
Motion X lite when out running/mountain biking, and have tried it in the car.
Seems to be pretty accurate. I haven't tried it in the plane yet. My experience
with the GPS in the iPhone isn't very accurate compared to my Garmin in the
car. Altitude is off by a factor of at least 50 ft and as much as 150 ft at
times when not tracking all satellites in iHUD. Ground position seems to be off
by as much as 50 ft approximately. The iphone and any applications shouldn't be
used for any critical operations. Now the new iPhone with the built in digital
compass will make it a bit more accurate, but still not going to be my choice
for a navigation/flight instrument.
David Moyer
Bob Tilley wrote:
Jeff,
The new one is $99. Other programs to check out are
AOPA airports, iHud, Flightplan, oh and X-Plane.
On Jun 17, 2009, at 11:59 AM, Jeff Whaley wrote:
GPS in a phone as a flight instrument … not off-topic at
all.
The software is $2.99 … how much is an iPhone?
I don’t have a cell phone yet, but when flying increases
I’ll need one … the iPhone may be a good choice.
BTW, I’ve heard of other PDAs that people use as GPS
devices.
From: Rotary motors in
aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Wednesday, June 17,
2009 10:58 AM
To: Rotary motors in
aircraft
Subject: [FlyRotary]
MotionX-GPS as a flight instrument?
I know this is off topic and a bit geeky, but I was
wondering if anyone with an iPhone has tried the MotionX-GPS
application to track their flights? It was designed for tracking
workouts, like for mountain biking and jogging. But I couldn't help but
wonder how it would work as a poor man's GPS. The basic
"LITE" app is free, full-featured app is only $2.99 (almost
free). One user comments that it works better than his $500
GPS. Is this possible?
I just downloaded it and plan to try it out this
weekend. Maybe it won't even work at altitude, but since it gets
its signals from GPS satellites, maybe it will surprise me.
See http://gps.motionx.com/overview/
Check out the picture of the iphone mounted on the handlebars of the mountain
bike, with the MotionX app running. Now picture your instrument panel
with the same mount. Pretty cool, and very cost effective, assuming you
already have an iPhone.
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