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February

2014

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26

JD26
Site Visit (SpB): Details , Photos (30)

Span cylinder at 600 psi. N2 at 1350 psi

at approx 10 MST, decreased inlet heater power from 6W (0.26A at 23V) to 4.7 W (0.23A at 20.3V)

SpB Jeep

Sunny, Windy, Warm.

27

JD27
Lost contact with UNH phenocam

SpB Returns

28

JD28
at around 5:30 MST, brief power outage

UNH phenocam working again (power outage fixed it?)

29

JD29

30

JD30

31

JD31

1

JD32
at approx 20:30 MST, LI-7200 stops saving data

2

JD33
No LI-7200 data

3

JD34
No LI-7200 data

4

JD35
at approx 15:40 MST, LI-7200 reset screenshot

at 19:57 MST, LI-7200 stops saving data

Cold/snowy.

5

JD36
at approx 15:00 MST, LI-7200 is rebooted, data archive re-started

Very Cold.

6

JD37

7

JD38
a strange signal, during a LI-6262 span (not sure which one)

8

JD39

9

JD40

10

JD41

11

JD42

12

JD43
Ameriflux Data Managers Meeting

13

JD44
Ameriflux Data Managers Meeting

Snow.

14

JD45
Snow.

15

JD46

16

JD47
Site Visit (SpB): Details , Photos (39)

Span cylinder at 490 psi. N2 at 900 psi

at approx 13:15 MST, decreased inlet heater power from 4.7 W (0.23A at 20.3V) to 3.8 W (0.21A at 18.1 V).

at approx 14:00 MST, replaced usb thumb drive in the LI-7550.

CU Prius

Warm. Sunny & windy (morning), snow (afternoon).

17

JD48

18

JD49

19

JD50
SpB Off (FMA)

20

JD51
at 22:06 MST, LI-7200 stops saving data (usb data are lost until 2/28)

SpB Off (FMA)

21

JD52
lost network connection to the LI-7200?

Note: 16 m prop-vane WS needs to be checked (WD has been broken for a long time)

22

JD53

23

JD54

24

JD55

25

JD56
In afternoon: cold front passage (check LI-7200 co2!)

26

JD57
In afternoon: network connection to niwot ridge down

27

JD58
at around 11:30 MST, network connection to niwot ridge back up

28

JD59

Site Visit (SpB): Details , Photos (27)

Span cylinder at ? psi. N2 at 600 psi

at approx 13:00 MST, reset the LI-7550 (this fixed the system, usb data being saved again)

from 13:18-13:20 MST, adjusted LI-6262 cal gas flow rate

SpB Jeep

Blustery.

1

JD60