--- title: Setup correlative data description: EKO Q article to explain first run --- [![EKO Q](https://eko-support.eko-instruments.com/hs-fs/hubfs/EKO%20Q%20Logo%201-2.png?height=75&width=248&name=EKO+Q+Logo+1-2.png)](https://eko-support.eko-instruments.com/knowledge-base?hsLang=en) EU | A | あ ⌄ English Deutsch Português Español [EKO website](https://eko-instruments.com) [EKO Q](https://eko-q.eko-instruments.com) [Contact us](https://share-eu1.hsforms.com/1MNfi6yWgQ6ab174lgwH9XA2eqp93) Search # How can we help you? Your browser does not support the video tag. 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[Run analysis](https://eko-support.eko-instruments.com/knowledge-base/run-analysis?hsLang=en) # Setup correlative data The EKO Q uses alternative irradiance data and other meteorological data such as satellite, clear sky model, and weather information from external data services or provided by the user. ### Configure access to external satellite data You can use satellite-based irradiance data from external data services, configure access to them as described in [Configure your account](https://eko-support.eko-instruments.com/knowledge-base/eko-q/configure-account?hsLang=en). ### Configure reference GHI sensor You can use a reliable sensor at the same site as reference sensor, similarly to how you use external correlative data. **Caution!** Only use sensor data as correlative when you trust the sensor to produce reliable data. Among other factors, ensure that the sensor complies with the following: - The sensor has been correctly installed in horizontal plane to measure GHI irradiance. - The sensor has been cleaned regularly. - The sensor data is imported with correct units of measure. - The sensor data is imported with correct time zone. - The sensor data passes the Single sensor analysis as GHI sensor, using LuciSun or CAMS correlative data and reports no major issues. To enable using the sensor’s data as correlative, enable “**Trusted GHI Reference Sensor** ” button in the configuration panel of the sensor.   ![](https://eko-support.eko-instruments.com/hs-fs/hubfs/image-png-May-04-2026-01-36-39-0067-PM.png?width=670&height=198&name=image-png-May-04-2026-01-36-39-0067-PM.png) ### Upload your own correlative data If you have reliable correlative data in a CSV (or similar) format, you can upload it as an additional sensor and follow the steps described in **Configure reference GHI sensor** above. If you would like to integrate another source of reliable irradiance data, or if you encounter any issues accessing correlative data, please contact EKO-Q support.     Next article: [Configure analysis](https://eko-support.eko-instruments.com/knowledge-base/eko-q/configure-analysis?hsLang=en) Go back to: [Sensor data configuration check](https://eko-support.eko-instruments.com/knowledge-base/eko-q/configuration-check?hsLang=en) - [Start here](https://eko-support.eko-instruments.com/knowledge-base/start-here?hsLang=en) - [Set up your EKO Q workspace](https://eko-support.eko-instruments.com/knowledge-base/set-up-your-eko-q-workspace?hsLang=en) - [Import and check data](https://eko-support.eko-instruments.com/knowledge-base/import-and-check-data?hsLang=en) - [Run analysis](https://eko-support.eko-instruments.com/knowledge-base/run-analysis?hsLang=en) - [Understand reports and plots](https://eko-support.eko-instruments.com/knowledge-base/understand-reports-and-plots?hsLang=en#main-content) - [Report overview](https://eko-support.eko-instruments.com/knowledge-base/understand-reports-and-plots?hsLang=en#report-overview) - [Test Summary](https://eko-support.eko-instruments.com/knowledge-base/understand-reports-and-plots?hsLang=en#test-summary) - [Detailed Report and plots](https://eko-support.eko-instruments.com/knowledge-base/understand-reports-and-plots?hsLang=en#detailed-report-and-plots) - [Troubleshooting and limits](https://eko-support.eko-instruments.com/knowledge-base/troubleshooting-and-limits?hsLang=en#main-content) - [Upload troubleshooting](https://eko-support.eko-instruments.com/knowledge-base/troubleshooting-and-limits?hsLang=en#upload-troubleshooting) - [Plans, limits, and coverage](https://eko-support.eko-instruments.com/knowledge-base/troubleshooting-and-limits?hsLang=en#plans-limits-and-coverage) [![Logo\_primary logo+tagline\_email size\_RGB](https://eko-support.eko-instruments.com/hs-fs/hubfs/Logo_primary%20logo+tagline_email%20size_RGB.png?width=194&height=43&name=Logo_primary%20logo+tagline_email%20size_RGB.png "Logo_primary logo+tagline_email size_RGB")](http://eko-instruments.com) [eko-instruments.com](https://eko-instruments.com/) Copyright © 2025, eu.eko-instruments.com ![EKO Instruments](https://eko-instruments.com/wp-content/uploads/2024/05/EKO-footer-logo.svg) ## Contact & Customer Support - E: eko-q@eko-instruments.com Certificates: ![ASTM certificate](https://eko-instruments.com/wp-content/uploads/2025/10/astm-cert.svg) ![ISO certificate](https://eko-instruments.com/wp-content/uploads/2025/10/iso-cert.svg) ![IEC certificate](https://eko-instruments.com/wp-content/uploads/2025/10/iec-cert.svg) ![HMEI certificate](https://eko-instruments.com/wp-content/uploads/2025/10/hmei-cert.svg) © 2026 EKO Instruments Co., Ltd. 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