# Saving calibration data using terminal

**URL:** <https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153>\
**Category:** Uncategorized\
**Created:** [October 1, 2019, 12:18pm UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153 "2019-10-01T12:18:18Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![owner01](https://discuss.px4.io/letter_avatar_proxy/v4/letter/o/87869e/32.png) [@owner01](https://discuss.px4.io/u/owner01)\
**Post date:** [October 1, 2019, 12:18pm UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/1 "2019-10-01T12:18:18Z")

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Hi guys, I am doing calibration via the terminal, I was wondering whether it is possible to save the data gathered from calibration so I do not have to calibrate each time?

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**Author:** ![JulianOes](https://discuss.px4.io/user_avatar/discuss.px4.io/julianoes/32/30_2.png) [@JulianOes](https://discuss.px4.io/u/JulianOes)\
**Post date:** [October 1, 2019, 2:42pm UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/2 "2019-10-01T14:42:58Z")

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Calibration is saved as parameters and generally parameters are automatically saved, so it’s not clear to me why the calibration would be lost after a restart.

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**Author:** ![owner01](https://discuss.px4.io/letter_avatar_proxy/v4/letter/o/87869e/32.png) [@owner01](https://discuss.px4.io/u/owner01)\
**Post date:** [October 2, 2019, 10:49am UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/3 "2019-10-02T10:49:18Z")

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Hmm well after each restart of the device I cannot arm because the magnetometer is not calibrated and first have to calibrate this device again.  
Can I manually save these parameters such that it loads them again?

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**Author:** ![JulianOes](https://discuss.px4.io/user_avatar/discuss.px4.io/julianoes/32/30_2.png) [@JulianOes](https://discuss.px4.io/u/JulianOes)\
**Post date:** [October 25, 2019, 1:13pm UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/4 "2019-10-25T13:13:53Z")

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What PX4 version are you using and what hardware?

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**Author:** ![owner01](https://discuss.px4.io/letter_avatar_proxy/v4/letter/o/87869e/32.png) [@owner01](https://discuss.px4.io/u/owner01)\
**Post date:** [October 29, 2019, 9:47am UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/5 "2019-10-29T09:47:17Z")

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I am using PX4 1.9.0 running on custom hardware (quadcore A53)

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<div class="post-metadata">

**Author:** ![owner01](https://discuss.px4.io/letter_avatar_proxy/v4/letter/o/87869e/32.png) [@owner01](https://discuss.px4.io/u/owner01)\
**Post date:** [October 30, 2019, 1:00pm UTC](https://discuss.px4.io/t/saving-calibration-data-using-terminal/13153/6 "2019-10-30T13:00:28Z")

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I solved it, I removed the **param load** by mistake and that caused the calibration data to not load of course.