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27

JD300

28

JD301
at around 10 MST, 2.5m LI-7500 went off-scale? (check this!)

29

JD302

30

JD303

31

JD304
Halloween
Windy (boo!)

1

JD305

2

JD306
Site Visit (SpB): Details , Photos (28)

Span cylinder at 1210 psi. N2 at 1950 psi

swapped LI-7200s (sn 72H-0479 replaced sn 72H-0192), LI-7550 box, and Fan Module (LI-7200-101)

reduced LI-7200 inlet heater from 5W to 4.6W

couldn't connect to 2.5m LI-7500 (serial port problem?)

CU Jeep

Sunny and breezy. More snow on ground.

3

JD307

4

JD308
at 10:40 MST, changed LI-7200 flow rate from 13 SLPM to 11 SLPM, also added site setup info

5

JD309

6

JD310
at 12:00 MST, reduced the LI-7200 flow rate from 11 SLPM to 10.8 SLPM

7

JD311
Site Visit (SpB, EG, M): Details , Photos (27)

Span cylinder at 1190 psi. N2 at 1800 psi

started ops68 (renamed UC CSATs to correct hts, added 2D ATI), new UC logger program (uc_05.csi).

swapped LI-7200 heated inlet, reduced power from 4.6W to 4W

2.5m LI-7500 (AGC problem?)

from approx 16:06-16:15 MST, Changed profiler (li-6251) dessicant

SpB Jeep

Sunny, fairly warm. Wave clouds.

8

JD312
Between 10-12:30 MST, many restarts to LI-7200 data system (looks like multiple power outages)?

Windy.

9

JD313

10

JD314

11

JD315

12

JD316
Site Visit (SpB, JH, SM): Details , Photos (11)

Span cylinder at 1150 psi. N2 at 1700 psi

added analog out from CSAT3 into LI-7550, moved LI-7200 inlet closer to CSAT sampling volume (calculate new separation), returned LI-7200 cables to Stefan

confirmed 2.5m LI-7500 problem (appears to be related to the connector)

Sunny, warm, calm.

13

JD317

14

JD318

15

JD319
Site Visit (ES): Details

at 11:05 MST, updated LI-7200 site setup info with correct North/East separation distances

In afternoon: ES added a battery to the CPEC200 system

16

JD320

17

JD321

18

JD322
at 10:10 MST, changed LI-7200 sample rate from 20 samp/s to 10 samp/s, also changed bandwidth from 10 Hz to 5 Hz

19

JD323

20

JD324

21

JD325
Site Visit (TB, EB): Details

started mux replacement at N Canopy tower

22

JD326

23

JD327
Site Visit (TB): Details

finished mux replacement at N Canopy tower

24

JD328
at 11:50 MST, changed LI-7200 sample rate from 10 s/s to 20 s/s (bandwidth from 5 Hz to 10 Hz); also changed range for DAC co2 dry to 380-430 umol/mol

25

JD329

26

JD330

27

JD331

28

JD332
TURKEY DAY

29

JD333
Site Visit (SpB): Details , Photos (23)

Span cylinder at 1000 psi. N2 at 1300 psi

replaced 2.5m LI-7500 (sn 75H-0082) with PB spare (sn 75H-0062)

covered small gap in LI-7200 inlet tube with pipe insulation

started using a new FAST logger program (fast_21.csi, note fast_20.csi was skipped) to try and speed up fast logger.

CU Prius

Sunny and breezy.

30

JD334