Changes for page AusPass Data
Last modified by robert on 2025/12/16 21:57
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... ... @@ -23,7 +23,7 @@ 23 23 24 24 (% class="box warningmessage" %) 25 25 ((( 26 - Unfortunately,AusPass no longer hosts AU network data~-~- you willnowhave to get this from Earthscope/IRIS.26 +NOTE AusPass no longer hosts AU network metadata~-~- you will have to get this from Earthscope/IRIS. 27 27 ))) 28 28 29 29 == QA/QC == ... ... @@ -50,7 +50,7 @@ 50 50 51 51 In[[ late 2023 it was discovered>>https://epic.earthscope.org/content/smartsolo-archives-flipped-polarity-igu-16hr-3c-5hz]] that the vertical Z channel of **the IGU-16HR short period **SmartSolo nodes is actually inverted relative to the standard expectation of "positive up" (vertical axis dip = -90). EarthScope's solution was to add a -1 multiplier to the //response data.// Because we have a much smaller volume of this data to fix, and far less of it already distributed prior to this announcement, we have opted to do the opposite; e.g. we invert the //raw data// because the data is what is wrong; not the response. 52 52 53 -**In late 2025 we also discovered that the horizontal (N and E) channels are ALSO flipped! Data downloaded before Friday 5 December 2025 is affected - multiply your DH[NE] channels by -1 if you have already downloaded them.**53 +**In late 2025 we also discovered that the horizontal (N and E) channels are ALSO flipped! Data downloaded before Friday 5 December 2025 is affected!** 54 54 55 55 Until very recently we also thought that the BD3C-5 "broadband" nodes had inverted data by default, but now understand that their raw exported data has the correct polarity. 56 56