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Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water. 
Community Activity See all activity
Douglas Wood became a registered member 1 year, 10 months ago
Douglas Wood
@douglas
Elliot Ma replied to the topic Could not wake modem for clock sync in the forum Mayfly Data Logger 1 year, 10 months ago
Hi Shannon and Sara,
Thanks for taking a look at this. I actually JUST fixed it, and I’m not sure what I did correctly?
Nothing I did was able to wake the modem, and like Sara said, it wasn’t receiving power. I was in the midst of taking those photos you request Shannon, and I think just unplugging everything and plugging it back in fixed it……[Read more]
D_Manning replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 10 months ago
Thanks. Temperature coefficients, compensations – that’s interesting. I have the sensor sitting in a bucket of stream water right now – should see more rapid changes in temperature. I’ve a note into the METER Co.
neilh20 replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 10 months ago
I did some blog posts in 2016 with a number of depth sensors that quoted an error for a very wide temperature compensation. They where the Insitu LT500 (best), Keller Nanolevel, Keller Acculevel, Keller Level gage (worst).
I setup a situation with the depth sensors in a jar of water (low depth) with a good solar aspect to test how well they met…[Read more]
neilh20 replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 10 months ago
As you say from 2nd sept – something changed, after that it looks to me like its is triggered by the temperature changes. Its just a visual analysis, but also using the conductivity. With a rain event the conductivity also typically changes, and of course temperature can change.
For daily diurnal cycle after sept 2 the temperature starts varying…[Read more]
D_Manning replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 10 months ago
Sure. https://monitormywatershed.org/sites/VCRP1/
Best way to view it is with time series visualization. Exclude interruption of pattern by a rain event and having the sensor out recently over a recorded reading.
neilh20 replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 10 months ago
Just wondering if you could post a link to where the data is being collected, and look at it as a system.
Shannon Hicks replied to the topic Could not wake modem for clock sync in the forum Mayfly Data Logger 1 year, 10 months ago
Can you email me the entire .ino sketch that you’re using with the board.
Shannon Hicks replied to the topic Buying new batteries + sim card problems in the forum Mayfly Data Logger 1 year, 10 months ago
Everyone has been out of stock of that particular battery for the past 6 months. As you said, you can use the Adafruit 6600mAh pack (https://www.digikey.com/en/products/detail/adafruit-industries-llc/353/5054549), or you can use the single-cell 2200mAh cell (https://www.digikey.com/en/products/detail/adafruit-industries-llc/1781/5054543). As l…[Read more]
ltemplin became a registered member 1 year, 10 months ago
ltemplin
@ltemplin