Thank you Vince to point-out Solar Rad, UV and Illumination discussions that are already posted in WF Forums.
Wow... isn't this a "heated" debate? (no pun intended) Here is one related posting from WF Forums,"*Solar Radiation, Illumance, and UV Index, is there any difference?*" https://community.weatherflow.com/t/solar-radiation-illuminance-and-uv-index-is-there-any-difference/3004 Excerpt note from WF developer: There are actually two sensors, each tuned to a different part of the light spectrum, in the part we use to measure sunlight (the APDS-9200 from Broadcom). The APDS-9200 reports “lux” (aka “brightness”) and “uv index” directly (which must be calibrated), and we estimate solar radiation from the brightness value assuming it’s light from the sun (ie., we know the makeup of the full spectrum, more of less, even though we’re only measuring radiation from a small portion of the spectrum). and Sensor reference: https://github.com/CalvEngIO/APDS-9200/blob/master/Docs/APDS-9200.pdf Long discussion and somehow confusing. Besides stating that WF has in fact 2 Sensors for Radiation, UV and Illumination, the discussion of pure "multiplier" still persists, and does not (clearly) answer the original question if there are any difference among the 3 entities. Still... "food for thought". Xant -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/4df95e7c-bd60-4dd9-a76c-cd8f0c97d2a3%40googlegroups.com.
