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No Data File
This app does not email the data file nor put it in iTunes using iOS 8. I have an old phone still using iOS7 and had no problem. In addition, the developer has disappeared along with his data file. Other than that, the app is exactly what I wanted.
This app does not email the data file nor put it in iTunes using iOS 8. I have an old phone still using iOS7 and had no problem. In addition, the developer has disappeared along with his data file. Other than that, the app is exactly what I wanted.
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Geeky fun app
This is a fun way to exploit the sensor information in my iPhone. The latest update increased the sampling rate to 500 Hz; however, the magnetometer appears to be off by a decimal point. The x,y,z components are hundreds of uT where it should be tens of uT.
This is a fun way to exploit the sensor information in my iPhone. The latest update increased the sampling rate to 500 Hz; however, the magnetometer appears to be off by a decimal point. The x,y,z components are hundreds of uT where it should be tens of uT.

Not sure about emailing - resolved
Recorded five seconds at one hertz. Display does not change when recording (maybe that is ok.) Update: this is expected behavior. When prompted after end of recording I selected 'email' and then app 'disappeared.' On restart, app is back to normal. I do not use apple email but another well-known third-party app. Update: EBKAC ... I had not enabled the email setting for the ipad. Once I pointed it to my third-party app, everything worked just fine. I have not checked via iTunes to see if data was actually recorded. Update: the data was recorded and sent out via email. Use was on ipad mini. Cool app. Hope this helps. Update: still a cool app. Hope my mistakes help some other user.
Recorded five seconds at one hertz. Display does not change when recording (maybe that is ok.) Update: this is expected behavior. When prompted after end of recording I selected 'email' and then app 'disappeared.' On restart, app is back to normal. I do not use apple email but another well-known third-party app. Update: EBKAC ... I had not enabled the email setting for the ipad. Once I pointed it to my third-party app, everything worked just fine. I have not checked via iTunes to see if data was actually recorded. Update: the data was recorded and sent out via email. Use was on ipad mini. Cool app. Hope this helps. Update: still a cool app. Hope my mistakes help some other user.

Great product!
Please include option of filters and graphs for use DC in applications. Thank you Chris.
Please include option of filters and graphs for use DC in applications. Thank you Chris.

Impressive advancements!
I worked military inertial guidance systems in the '90s with the smallest systems being the size of a small suitcase. This iPAD includes almost all the components needed for inertial guidance!
I worked military inertial guidance systems in the '90s with the smallest systems being the size of a small suitcase. This iPAD includes almost all the components needed for inertial guidance!