Remove instrument response by using sac pz

Hello everyone,
I would like to know how to remove instrument response by using sac pz response to get PGA and PGV in obspy or SAC?
Best regards,

We currently don’t have read support for SAC PAZ format. Where is the data from? Any chance you can get the metadata in (e.g.) StationXML format? That would be easiest, probably.

Hello Megies, Thank you so much for your reply. The data is from private seismic stations, They only prove me sac pz response. I found a way to solve this problem in sac just using transfer function to remove instrument response using sac pz response. Thank you so much again for your help.
Best regards;

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