FEF Notes 05-08-29 AIRCOA C installed. Total tubing length to tower: 91.5 m 05-08-29 Fixed leaks at CGA fittings on HS1 and LS2. Fixed leak at low side regulator gauge on HS2 05-08-31 Stopped in to check out satellite internet connection. Still no luck until later in the day. 05-09-01 Stopped by again, but no success communicating from NCAR to AIRCOA 05-09-08 Internet working after discussions with Direcway to get gateway address and make changes to etc/sshd_config file. Tried to reduce high pressure leak rate but leak rate still in excess of 0.05 kPa/min. Fixed small leak at CGA fitting on LS1. Adjusted LT regulator and needle valve to match sample flows better. 05-10-10 Power outage for most of day. 05-10-13 Reduced high pressure leak rate by replacing micropump (didn't help) and then first Nafion. 05-10-14 ~0.4, sample flow fell to zero because micropump cam slipping on motor drive shaft. 05-10-15 ~0.05, pushed cam further onto shaft and flow started right up. 05-10-19 Data Processing page shows that sample flow quit ~0.15 05-10-21 Verified micropump not working (plastic cam separated from drive shaft). Remotely quit aircoa program. 05-10-25 Replaced micropump, restarted program, and re-tuned. 05-11-17 Sample flow dropped to zero ~0.83 05-11-22 ~ 1810 LT, stopped program 05-11-28 Replaced micropump, restarted ~0.8 05-12-19 ~0.93 UTC four people at base of tower Recalibrate LI820, zero and span Full tune, primarily increase sample flow 06-01-31 ~ 1:30 PM LT the short term noise increased from 0.6 ppm to 1.6 ppm due to RF interference 06-02-07 ~ 0.65 a wireless modem was moved away from the AIRCOA and the short term noise decreased back to 0.6 ppm 06-05-25 Replaced CC60235 as HS2 with FA02360. Replaced 0.5 um filters at inlets with 30 um filters at 13:00-14:00. 06-07-20 Replaced all cal cylinders @ 11:50 MDT: LS2 = JJ22398, LS1 = JJ12502, HS1 = JJ25191, HS2 = JJ21174 LT regulator left spun out so no flow 06-08-03 Doug spun LT regulator back in and tuned remotely. Sample pump stopped working (shaft spinning but no flow). Shut down aircoa program. 06-08-17 Replaced micropump. Partial tune-up. 06-10-29 Memory stick filled up. Fixed and rebooted on 06-11-02 07-02-28 Memory stick filled up. Fixed and rebooted on 07-03-04 07-03-21 Replaced all cal cylinders @ 1800 UTC: LS2 = CC28553, LS1 = CC71620, HS1 = CC56491, HS2 = CC29040 Replaced LI820 to see if intermittant discontinuities were due to it. 07-05-30 Memory stick filled up in AM, fixed and rebooted in PM. 07-06-29 Memory stick filled up. Fixed and rebooted on 07-07-01 07-07-03 BBS stopped by, opened door, recorded cylinder pressures 07-08-28 Memory stick filled up. Fixed and rebooted on 07-08-30 07-09-30 Memory stick filled up. Fixed and rebooted on 07-10-02 07-10-31 Memory stick filled up. Fixed and rebooted on 07-11-07 07-12-08 Memory stick filled up. Fixed and rebooted on 07-12-11 08-02-07 Updated to new aircoa program (ascii dates, plus aircoa_config.txt, and libparsifal-1.0.0.so) 08-02-09 Fixed problem in aircoa_config.txt that had reversed sample flow and line 2 flow for 2 days 08-02-13 Switched HS2 (CC29040 removed, CA07560 installed) and LS1 (CC71620 removed, JA02376 installed). Zero and span LI820. Replaced both mol sieves with new ones. Switched sample flow and line 2 flow wires to make all the same. 08-02-27 Memory stick filled up. Fixed and rebooted on 08-02-28 08-03-28 Memory stick filled up, cleared on 08-04-02 08-04-12 LS1 ran out. 08-04-14 Quit aircoa.sh and commented out in rc.sysinit. 08-04-28 Replaced HS2, HS1, LS1, LS2. Commented aircoa.sh back in. 08-08-26 Memory stick filled up, cleared on 08-08-28 08-09-28 Memory stick filled up, cleared on 08-10-06 08-11-04 Memory stick filled up, cleared on 08-11-07 08-12-05 Memory stick filled up, cleared on 08-12-08, forgot to reboot until 08-12-10 09-03-05 Memory stick filled up, cleared and rebooted on 09-03-06 09-04-13 Hardware failure with DirecWAY modem at FEF. Communication down. 09-05-08 Memory stick filled up on 4/18, data between 4/13-4/18 lost. Replaced HS2, HS1, LS1, LS2. Modem replaced, but still cannot ssh to aircoa from eol. 09-10-29 Adjusted flow rate (main needle valve) over the phone with Lucas (SpB). 10-06-17 Wind storms knocks out power, power strip fried. Communication down. (SpB). 10-06-23 Banning Starr replaces power strip at FEF, power restored, aircoa restarted (SpB). 10-11-15 Appears that the IRGA light source died on 11/12. On 11/15, stopped program (SpB). 10-12-07 Visited FEF, replaced the IRGA light source. Up and running again (SpB). 11-03-10 Visited FEF, swapped out the calibration gas cylinders (SpB). 11-06-16 Visited FEF, swapped out the LT calibration gas cylinder (SpB).