# unit problem,what unit it is after removing instrument response

**URL:** https://discourse.obspy.org/t/unit-problem-what-unit-it-is-after-removing-instrument-response/2220
**Category:** Usage Questions
**Created:** [April 28, 2025, 8:01am UTC](https://discourse.obspy.org/t/unit-problem-what-unit-it-is-after-removing-instrument-response/2220 "2025-04-28T08:01:43Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![GGX](https://discourse.obspy.org/letter_avatar_proxy/v4/letter/g/87869e/32.png) [@GGX](https://discourse.obspy.org/u/GGX)
#### Post date: [April 28, 2025, 8:01am UTC](https://discourse.obspy.org/t/unit-problem-what-unit-it-is-after-removing-instrument-response/2220/1 "2025-04-28T08:01:43Z")

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“Hello everyone, I’d like to ask about the unit of waveforms after removing instrument response with ObsPy. Is it meters, nanometers, or some other unit?”

 ![image](https://discourse.obspy.org/uploads/default/original/1X/57093e081d57e6b6ab794e0237ebc42487b63db5.jpeg)

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### Author: ![megies](https://discourse.obspy.org/user_avatar/discourse.obspy.org/megies/32/9_2.png) [@megies](https://discourse.obspy.org/u/megies)
#### Post date: [April 28, 2025, 8:03am UTC](https://discourse.obspy.org/t/unit-problem-what-unit-it-is-after-removing-instrument-response/2220/2 "2025-04-28T08:03:27Z")

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It’s stated in the docs (word “unit” highlighted in the link): [obspy.core.trace.Trace.remove\_response — ObsPy 1.4.1.post0+393.g271569d37b.obspy.master documentation](https://docs.obspy.org/master/packages/autogen/obspy.core.trace.Trace.remove_response.html?highlight=unit)