Changed actuator w/ Dave on chamber 1-6, also found a line break on 1-4. 1-3. Repaired. 5-4 and 5-5 overextended lids.

Adjusted all chamber heights in gashog to reflect reinstalled ht.

Removed G5 autochambers for microplot harvest in the afternoon. Turned off chambers on gashog.

Dave and Kevin replaced the chambers on G1 and restarted sampling. G1-3 overextending. Raised all tubing off the ground. Chambers removed 10/22 pm

Dave removed chambers from G1 for the corn harvest at about 10:30 am.

Chamber 5-3 lid was not attached. Repaired at approx 3:30PM KK

Checked all chambers in G1 and G5, except G5-5 (closed at the time). Trimmed corn leaves out of the path of the closures on G1 chambers. Most G5s were in good shape and required minimal trimming on this visit. All G5 lid connections appeared to be intact and working properly.

Trailer Licor stopped yesterday at 8 am. Reported a plugged inlet. I changed out the filters. No water visible in the input or output lines. The system was sampling 5-4. I reset the valves to standby and restarted the licor.

There is water in the NOx inlet line, but we are not running the NOx box right now.

5-3 lid (one side in down position) repaired by DW. Restarted program at 3:36.

Inlet plugged error on the Licor system. Reboot, started program. Looks like it was out overnight.

The 750S router was rebooting randomly, resuling in late data errors from the gashog app. I’ve replaced the 750S router with the mango router I had there previously. However teh mango router does not have enough spare memory to do a good job of capturing packets.

i replaced router and the ethernet cable between the router and the LI7810, to see if the licor will now stay on the network. I also enabled the wifi access point on the licor to hopefully have a connection to the licor if and when it goes off the network next.

Licor analyzer went out on the trailer @ 3:30AM. Need to check and restart. Cooler on the NOx box is out.

G5-3 chamber lid fixed. May have been okay up to point of checking lids, but arm attachment popped off when checking. Fixed.

Licor stopped with a set point error. The cavity pressure was too low. I rebooted the licor, no change. When switched the valves to standby, the cavity pressure improved, but did not reach the set point. I’ve left the system in standby for now.

I disconnected the inlet and outlet tubes, no change. There was no visible moisture in the lines. Checked filters, and the top filter had a small area bent double. I replaced that filter, then the instrument indicated a plugged in let. I then replaced the bottom bluish filter with one of the white filter disks and then it appeared to start up normally.

I wonder if the bluish disks in the filter box are just impermeable supports?

I restared gashog sampling.

replaced filters on the Licor in the BCSE trailer. I did not see any water, but the filters were pretty dirty.

Clipped in chamber plants on automated chambers in G5.

Lost power at the trailer for a good portion of the day. System back up and running by 4:30PM. MFC not reading properly but flow is steady at 370ml/min.

Checked physical air flow at trailer mass flow controller. It is reading -84x ml/min, by reality is +372 ml/min. Checked outflow of MFC with Agilent flow meter.

Turned on G1 auto chambers and reapplied chambers to gashog.

Removing G1 lids for herbicide today. 4 Hr REI.

Approximately 4pm, trimmed switchgrass and any other plant material growing out of the G5 automated chambers. Also checked lids and trimmed any plants outside of chambers that were interfering with lid seals.

Chambers out and in the same day on G1 for sidedressing. Joe S helped me. Rain on 6/16 will promote fluxes. NOx box issues. Reconnected in the afternoon and Sven worked to collect the proper data stream. Running as of 6/17/24.

Disassembled N2O LGR that had water contamination. Throughly cleaned both sides of the two reflective mirrors. Reassembled, will wait a day to try.

There was water in the normally open ambient input line. I hooked line up to the licor and Icos exhaust to clear it. Maybe the water did not enter through the sample lines. I can hook up a water tap to the ambient line since we don’t care about extra space in that line.