LEO

Mini LEO calibrations 20160609

Antonio has performed calibrations for the drainage tipping bucket and EC meter. As of today (06/09/2016) the scales for these two devices have been updated on the data logger.

TB - 0.007007 liters per tip
EC = 711.167 * voltage - 124.152

LEO-Mini software update 20150827

Maintenance started at about 14:30 on August 27, 2015. The software on the Mini LEO data-logger (NI Compact RIO) is getting upgraded to the the 2014 model and the OS is getting upgraded to 14.0.1. Additional information will be posted as replies to this entry.

LEO-E_4_0_1_HMP60 replaced

July 28, 2015 - Nate replaced the damaged HMP60 by cutting the old cable connector and splicing a new one. Data appears to be valid.

East bay CSAT3 RS422 transceiver installed

3 masts were raised (4,0) (10,-2) (10,2) at approximately 10:30 on 7/23 and were kept up until approximately 13:30 order to allow for the installation and testing of an RS422 transceiver inside the CSAT3 control box.

West bay CSAT3 RS422 transceiver installed

3 masts were raised (4,0) (10,-2) (10,2) at approximately 7:30 on 7/22 and were kept up until approximately 12:00 order to allow for the installation and testing of an RS422 transceiver inside the CSAT3 control box.

Center bay CSAT3 RS422 transceiver installed

3 masts were raised (4,0) (10,-2) (10,2) at approximately 12:00 on 7/9 and were kept up until approximately 12:00 on 7/10 in order to allow for the installation and testing of an RS422 transceiver inside the CSAT3 control box.

LEO-E-P03 software update 2015-06-29

June 29, 2015 from  12:00 to 17:10 cRIO-LEO-East-P03 underwent a series of software tests and ultimately a software upgrade. The device was restarted multiple times during this period which may have caused limited or unreliable data generated. This effects the up-slope most GMM222, HFP-1, HFP-1SC, TCAV and Model3130. The software testing and update are to allow higher-frequency (5Hz) data logging of the CSAT3 anemometer.

LEO-W-P03 software update

June 26, 2015 from  11:00 to 12:00 cRIO-LEO-West-P03 underwent a software upgrade. Limited data was generated from this controller during this time. This effects the up-slope most GMM222, HFP-1, HFP-1SC, TCAV and Model3130. The software update allows monitoring the up-slope most above ground instrumentation.

LEO-C-P03 software update

June 25, 2015 from  07:30 to 10:00 cRIO-LEO-Center-P03 underwent a software upgrade. No data was generated from this controller during this time. This effects the up-slope most GMM222, HFP-1, HFP-1SC, TCAV and Model3130. The software update allows monitoring the up-slope most above ground instrumentation.

Leaking ports sealed

The irrigation events on LEO-C and LEO-W on 2/10/15 revealed that water leaked from several of the port holes in the base of the structure.  On LEO-C leaks were observed at port holes at x=2, 4, 6, 8, 10, 14, 16 and y=0.  Leaks were also observed at x=6, y= -1 and +1.  On LEO-W leaks were observed at x=2, 4, 6, 8, 10, 12, 16 and y=0.  To correct these leaks small holes were drilled into the acrylic tubing where sensor cables span out of the slope.  Dural 2-part low viscosity epoxy was injected through the hole to fill air space within the tubing, and hopefully provide a perfect seal.  The rain event on 4/29/2015 on LEO-C and LEO-W generated a water table that covered most of these locations, and no leaks were observed.  We preemptively performed the same sealing operation on ports at x=2, 4, 6, 8, 10, 12, 14 and y=-2 and +2 on LEO-C and LEO-W, in anticipation that the water table may regularly expand to that extent.