# Keep validity variable in HARP exported product

**URL:** https://forum.atmospherictoolbox.org/t/keep-validity-variable-in-harp-exported-product/266
**Category:** HARP
**Created:** [February 5, 2021, 12:56pm UTC](https://forum.atmospherictoolbox.org/t/keep-validity-variable-in-harp-exported-product/266 "2021-02-05T12:56:33Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![sander.niemeijer](https://forum.atmospherictoolbox.org/user_avatar/forum.atmospherictoolbox.org/sander.niemeijer/32/5_2.png) [@sander.niemeijer](https://forum.atmospherictoolbox.org/u/sander.niemeijer)
#### Post date: [February 26, 2021, 12:44pm UTC](https://forum.atmospherictoolbox.org/t/keep-validity-variable-in-harp-exported-product/266/12 "2021-02-26T12:44:09Z")

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See also [this response](https://forum.atmospherictoolbox.org/t/best-bin-spatial-resolution-to-match-tropomi-sensor-data/247/2). SO2 uses ‘native resolution’ similar to NO2, so I would recommend something around 0.02 x 0.02.

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