20200327 Fixed "corrupted" Loggernet software

20200325 Updated the slopes on NO and NOy instruments (refer to notes)

- changed the slopes on the NO and NOy instruments using site NO gas cylinder standard
- NOx was instrument is still not operating; half of BLC lamps not working; it needs to be replaced
- NOx instrument flow is very low (~150 cc/min) and pressure is also very low ~80 mm Hg; The autozero valve likely causing the problem
- No troubleshooting can be performed at site until Harris County restrictions are uplifted due to Corona virus

20200324 Troubleshooting NOx instrument (refer to notes)

- installed external vacuum pump; pump is from El Paso NOx instrument
- one side of BLC lamp needs to be replaced due to bad female plug on lamp
- replaced ozonator capillary on NOx instrument
- washed inlet filter guards (NOxy, CO and O3)

2020024 Troubleshooting NOx instrument (refer to notes)

20200317 Turned on NO, NOx, NOy, O3, and CO instruments