Fiducial Reference Measurements (FRM) https://calvalportal.ceos.org/web/guest/cal/val-wiki/-/wiki/668236 2026-08-24T12:21:22Z 2026-08-24T12:21:22Z Emma Woolliams https://calvalportal.ceos.org/web/guest/cal/val-wiki/-/wiki/668236/Fiducial Reference Measurements (FRM)?_com_liferay_wiki_web_portlet_WikiPortlet_version=1.1 2021-10-08T18:36:30Z 2020-01-16T13:43:55Z

<p> <strong>Definitions</strong></p><p> <span style="font-size: 8pt;">FRM are required to determine the on-orbit uncertainty characteristics of satellite measurements via independent validation activities. The validation measurements shall be traceable to SI working together with National Metrology Institutes and produced together with documented uncertainties. Measurement protocols and data processing standardisation are also required to develop an end-to-end uncertainty budget for each measurement. </span></p><div> Fiducial Reference Measurements (FRM) are a suite of independent, fully characterized, and traceable ground measurements that follow the guidelines outlined by the GEO/CEOS Quality Assurance framework for Earth Observation (QA4EO). </div><div>  </div><p> <strong>Source</strong></p><p> <span style="font-size: 8pt;">Copernicus/ESA; Donlan</span></p><div> ESA definition: <a href="https://earth.esa.int/web/sppa/activities/frm">FRM</a></div><p>  </p><p> <strong>Suggestions</strong></p><p><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff"> </span><span class="diff-html-added" id="added-diff-0" previous="first-diff" changeId="added-diff-0" next="last-diff"> </span></p><p><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff"> </span><strong style="font-size: 8pt;"><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff">Category</span></strong><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff"><!----></span></p><p><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff"> </span><a href="https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fcalvalportal.ceos.org%2Ft-d_wiki%3Fp_p_id%3D54_INSTANCE_Wg3ti1194i20%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-2%26p_p_col_count%3D1%26_54_INSTANCE_Wg3ti1194i20_struts_action%3D%252Fwiki_display%252Fview%26_54_INSTANCE_Wg3ti1194i20_nodeName%3DCEOS_Terms_and_Definitions%26_54_INSTANCE_Wg3ti1194i20_title%3D1.%2BEarth%2BObservation%2Bsystem%2Bwords&amp;data=04%7C01%7Cfaye.lai%40npl.co.uk%7C71d207afa14d469389d808d988e92c16%7C601e5460b1bf49c0bd2de76ffc186a8d%7C1%7C0%7C637691357310842913%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=MFNAfQnNfO%2FSg73NKEVZ4eUMLWqKqZn9Es5VcxyDP%2FQ%3D&amp;reserved=0"><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff">1. Earth Observation system words</span></a><span class="diff-html-added" previous="first-diff" changeId="added-diff-0" next="last-diff"><!----></span></p>

Emma Woolliams 2020-01-16T13:43:55Z