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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
D_Manning replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 11 months ago
No luck. I disconnected the solar panel, but am still seeing artifactual troughs. It’s reminiscent of the much more extreme variations in reported stream depth for the Pine Creek station, which calmed with a new sensor. The latter might have been related to a frayed wire from the sensor, I’m not sure.
KKMaier became a registered member 1 year, 11 months ago
KKMaier
@kkmaier
neilh20 replied to the topic New Xbee Modem: XB3-C-GM1-UT-001 in the forum Mayfly Data Logger 1 year, 11 months ago
Oh interesting, Thanks for sharing, Sounds like it connected some of the time, showing that it was possible to connect. I’ve found there are four source of failure – setup to cell tower, TCP/IP setup, POST ack, MMW timeout,
I found this hardware data sheet – but it turns out there is a GM1 and GM2 – GM1 is the low power. I wonder which o…[Read more]
Shannon Hicks replied to the topic New Xbee Modem: XB3-C-GM1-UT-001 in the forum Mayfly Data Logger 1 year, 11 months ago
We ordered a couple of these modules and they arrived a few days ago. I did some testing the past couple days and had only occasional success at sending data to MMW with them. We’re thinking the code libraries probably need to be tweaked to work with these new modules, but there’s no usable electrical or software documentation for these p…[Read more]
dan@wachusett replied to the topic New Xbee Modem: XB3-C-GM1-UT-001 in the forum Mayfly Data Logger 1 year, 11 months ago
Thanks Sara, that is good news. I will be ordering several of these to replace the modems at all of my sites. The previous version was not that reliable, so I am hoping they made some improvements to the design in this version. I will make sure to use “transparent mode” in my sketches.
Sara Damiano replied to the topic New Xbee Modem: XB3-C-GM1-UT-001 in the forum Mayfly Data Logger 1 year, 11 months ago
According to the product change notification you attached, there shouldn’t need to be any software changes for “transparent” mode, so most of the examples for ModularSensors should still work.
The underlying cellular chipset on the board *has* changed from the ublox SARA R410M to the Telit ME310G1-WW on the global version or the Telit ME310G1-W1…[Read more]
Shannon Hicks replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 11 months ago
You can also try disconnecting the solar panel for a few days since you’ve got a fully-charged battery on it. Then that’ll tell you if there’s any correlation between the sensor noise and charging activity. On a few rare occasions, a failing solar panel ended up generating noise on CTD sensor data.
Shannon Hicks replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 11 months ago
You can also try disconnecting the solar panel for a few days since you’ve got a fully-charged battery on it. Then that’ll tell you if there’s any correlation between the sensor noise and charging activity. On a few rare occasions, a failing solar panel ended up generating noise on CTD sensor data.
D_Manning replied to the topic Artifactual troughs and flickers in recorded stream depth in the forum Monitor My Watershed 1 year, 11 months ago
Yeah – the sensor was cleaned recently. I had also switched the logger on and off. I’ve now replaced the battery. No luck – the trough and flickers, though slightly modified, still occur. I’ll try to substitute in another sensor, possibly another logger, in order to isolate the problem.
dan@wachusett replied to the topic New Xbee Modem: XB3-C-GM1-UT-001 in the forum Mayfly Data Logger 1 year, 11 months ago
Thanks Shannon! Some testing and an example sketch would be very helpful.