Alcator C-Mod Run 1100820 Information

Miniproposals

Miniproposal: 612

Date Filed: 7/21/2010

Title: Expanded exploration of LHCD Density Limit

First Author: Greg Wallace

Session Leader: Greg Wallace (shots 1-33)

Operators
Session leader(s):	Greg Wallace
Physics operator(s):	Earl Marmar
Engineering operator(s):	Sam Pierson,Andy Pfeiffer,Ed Fitzgerald

Engineering Operator Run Comment
MP612: Expanded exploration of LHCD density limit

Session Leader Plans

Entered: Aug 19 2010 04:35:07:590PM

Author: Greg Wallace

MP612: Expanded exploration of LHCD density limit
Session Leader: G. Wallace
Physics Operator: E. Marmar
Assistant PO: S. Shiraiwa

The primary goal of today's run will be to obtain MSE and scanning probe data of discharges below and above the observed LHCD density limit of ~1e20 m-3. The results from 1100806 show a strong dependence of the density limit on magnetic topology, with a clear increase in non-thermal emission at high density for inner wall limited plasmas.

LH setup: 90 deg current drive phasing, 140 kW/klystron, launcher set to 0.1mm behind LH limiter, pulse timing 0.8-1.3 s.

C-Mod setup: Overnight ECDC. B_T will be at 5.4 T throughout the day. Start with 1100806030 equilibrium. Cryopump will be used on all shots.

Required diagnostics: HXR, ECE, TS, DNB, MSE, ASP, FSP, WASP.

1) Load equilibrium from 1100806030 (5.4 T, 800 kA, limited). Reprogram nl_04 to 4e19 m^-2 during flattop (anticipating slightly higher density than requested). Apply ~600 kW of net LH power (~140 kW/klystron) from 0.8-1.3 s at n_||=1.9 (90 deg phasing). Repeat with scanning probes to obtain SOL profiles. (2-4 shots)

2) Load equilibrium from 1100806021 (5.4 T, 800 kA, double null). Reprogram nl_04 to 4e19 m^-2 during flattop. Apply ~600 kW of net LH power (~140 kW/klystron) from 0.8-1.3 s at n_||=1.9 (90 deg phasing). Repeat with scanning probes to obtain SOL profiles. (2-4 shots)

3) Load equilibrium from 1100806010 (5.4 T, 800 kA, single null). Reprogram nl_04 to 4e19 m^-2 during flattop. Apply ~600 kW of net LH power (~140 kW/klystron) from 0.8-1.3 s at n_||=1.9 (90 deg phasing). Repeat with scanning probes to obtain SOL profiles. (2-4 shots)

4) Repeat step 1 (limited) with nl_04 reprogrammed to 8e19 m^-2 during flattop. (1-2 shots)

5) Repeat step 2 (double null) with nl_04 reprogrammed to 8e19 m^-2 during flattop. (1-2 shots)

6) Repeat step 3 (single null) with nl_04 reprogrammed to 8e19 m^-2 during flattop. (1-2 shots)

7) Inner gap scan in double null. Start with equilibrium from step 5. Ramp CLEARIN from 0.00315 to -0.03 between 0.8 and 1.3 s. Repeat with scanning probes to obtain SOL profiles. (2-4 shots)

8) Inner gap scan in single null. Start with equilibrium from step 6. Ramp CLEARIN from 0.00315 to -0.03 between 0.8 and 1.3 s. Repeat with scanning probes to obtain SOL profiles. (2-4 shots)

9) Repeat step 6 with LH power scan. Set LH power to 40, 70, 110, 140, 170 kW/klystron on each of 5 segments. (1-2 shots)

10) If time allows, try experimenting with the 4-2-4-2-4 powered/unpowered columns approach to look at reflection coefficient pattern.

Physics Operators Plans

Entered: Aug 19 2010 05:07:23:780PM

Author: Earl Marmar

Engineering setup for Friday 2010/08/20

MP612: Expanded exploration of LHCD density limit
Session Leader: G. Wallace
Physics Operator: E. Marmar
Assistant PO: S. Shiraiwa

Run will start at 09:00 and end at 17:00.

Standard overnight ECDC and vessel temps

Power systems as on 1100806030 (5.4 T, 800 kA, limited)

A-coil configuration: +Dtop -Dbot -Jtop +Jbot; Hybrid enabled (standard
configuration)

Gas Setup:
fill B-Top with 6 psi D2 Hybrid enabled (PG4)
fill B-side lower with 1 psi Ar Hybrid enabled (PG1)
leave B-side upper as is Hybrid DISABLED (PG2)
fill B-main (C-side) with 40 psi D2 Hybrid enabled (PG3)
fill NINJA with 10 psi D2

Enable the following gate valves and shutters, assuming no vacuum problems:
ECE, VUV, Z-bolo, HIREX-Sr, B-spectrometer GV

Torvac setup: keep gate valves open during pulse

------------------------------------------------------------------------------
Boronization: no
Impurity injector: up to session leader
ICRF: no
LH: yes
DNB: yes
Cryopump: yes

Session Leader Summaries

Entered: Aug 26 2010 01:19:04:210PM

Author: Greg Wallace

Session Leader Summary for 1100820
MP612: Expanded Exploration of LHCD Density Limit

The main goal of this run was to get scanning probe and MSE data for discharges below and above the LHCD density limit in limited and diverted configurations. Good data was obtained in several of the configurations: lower null low density, inner wall limited high density, and lower null high density. Data in double null was difficult to obtain due to H-modes caused by LH at all densities. Low density inner wall limited data was also not obtained despite repeated attempts.

Progress was limited today not only by tripping of the LH system (caused by flashover on LH grill at high density) but also by many disruptions and fizzles. Not enough time was available at the end of the day to successfully accomplish an inner gap scan.

Good shots, all at 800 kA, 5.4 T:
1) Inner wall limited, nebar=1.35-1.45e20, HXR missing on Chords 1-16
2) Inner wall limited, nebar=1.35-1.4e20, scanning probes
3) Inner wall limited, nebar=1.25-1.32e20, scanning probes
4) Inner wall limited, nebar=1.1e20 steady, scanning probes
7) Double null, nebar=7-9e19, no scanning probes
8) Double null, nebar=8e19 steady, scanning probes
16) Lower null, nebar=9-9.5e19, no scanning probes
17) Lower null, nebar=8e19, scanning probes
31) Lower null, nebar=1.3e20, scanning probes

Physics Operator Summaries

Entered: Aug 23 2010 10:20:48:507AM

Author: Earl Marmar

The machine ran reasonably well today, but we had some trouble with fizzles. Shot 2 had a bounce and early hards, so I made Bz less negative, and probably overdid it a bit. Also chased fill pressure through the day, and played a bit with BR. The BR changes were probably irrelevant.

We had one power supply problem (shot 15, EF1L) which caused a dud.

After shot 9, I had the engineers move the fizzle off time to 1.8 seconds. There appeared to be no ill effects on coax resistance.

Scorecard:
Shot,Duration(s),Ipmax(MA),Result Shot,Duration(s),Ipmax,Result
| 01 1.988 0.820 Plasma | 02 1.989 0.825 Plasma |
| 03 1.978 0.822 Plasma | 04 1.658 0.820 Plasma |
| 05 0.625 0.863 Plasma | 06 0.771 0.866 Plasma |
| 07 1.627 0.830 Plasma | 08 1.983 0.828 Plasma |
| 09 1.972 0.831 Plasma | 10 1.970 0.830 Plasma |
| 11 0.000 0.039 Fizzle | 12 1.976 0.832 Plasma |
| 13 1.976 0.833 Plasma | 14 0.000 0.038 Fizzle |
| 15 0.000 0.037 Dud | 16 1.987 0.832 Plasma |
| 17 1.961 0.832 Plasma | 18 1.957 0.819 Plasma |
| 19 0.000 0.037 Fizzle | 20 0.000 0.038 Fizzle |
| 21 1.968 0.820 Plasma | 22 1.046 0.816 Plasma |
| 23 0.000 0.039 Fizzle | 24 1.968 0.813 Plasma |
| 25 1.195 0.822 Plasma | 26 1.140 0.822 Plasma |
| 27 0.000 0.042 Fizzle | 28 0.000 0.041 Fizzle |
| 29 1.975 0.820 Plasma | 30 0.000 0.047 Fizzle |
| 31 1.940 0.821 Plasma | 32 1.954 0.820 Plasma |
| 33 1.916 0.817 Plasma

Date 1100820: 33 data cycles. 24 plasmas. 8 fizzles. 1 dud. 0 System Error.
(Plasma = |Ip| gt 60.0 kA Dud = H_alpha lt 0.40 V)
Total plasma duration: 41.52 s (exceeding -82 kA)

Session Leader Comments

Aug 20 2010 09:32:35:147AM 1100820001 Greg Wallace Good shot! LH clean until near end of pulse. nl_04=7-7.5e19, nebar=1.35-1.45e20. PLH=650 kW.

Some heating on B-side septa of B row.

Will repeat with lower density on next shot. Scanning probes on next shot.

Aug 20 2010 09:32:13:617AM 1100820002 Greg Wallace Good shot! nebar=1.35-1.4e20, nl_04=7-7.2e19, PLH=650 kW, n||=1.9, inner wall limited with scanning probes. Will suffice for step 4 of run plan.

Next step will try to reduce density further and eliminate vertical jog in zcur (for real this time).

Aug 20 2010 09:49:15:917AM 1100820003 Greg Wallace Good shot! Inner wall limited, nl_04=6.5-6.8e19, nebar=1.25-1.32e20. PLH=625 kW, n||=1.9. Again, this shot might be good for step 4 of run plan, but not low enough density for step 1. Good MSE and scanning probe data on this shot. HXR ch 16 looks funny, 15 and 14 are OK.

Next shot will try again to get lower density in limited configuration.

Aug 20 2010 09:57:06:893AM 1100820004 Greg Wallace Good shot! Inner wall limited, nl_04=5.5e19, nebar=1.1e20. PLH=650 kW, n||=1.9. Density is lower now but not quite as low as I'd like for step 1.

Next shot will try one final time for the low density data point (nl_04~4.5e19).

Aug 20 2010 10:20:10:447AM 1100820005 Greg Wallace Disruption at 0.62 s. Will try again for low density inner wall limited.

Aug 20 2010 10:23:34:340AM 1100820006 Greg Wallace Disruption again, at 0.76 s this time. Moving on to step 2 (low density double null) for next shot. Will take equilibrium from 1100806021.

Aug 20 2010 10:41:25:950AM 1100820007 Greg Wallace Good shot! A few trips late in LH pulse but otherwise no problems. Density moves around a bit more than I'd like. Double null, nl_04=4-5e19, nebar=7-9e19, PLH=650 kW, n||=1.9. Syun'ichi thinks there was a locked mode during lowest density part of LH pulse.

Next shot will repeat with scanning probes and will try for flatter density during LH.

Aug 20 2010 10:57:55:057AM 1100820008 Greg Wallace OK shot. Some trips late in shot with indications of hot spots on A and B rows-D side on LH camera. Density during LH was better controlled. Double null, nl_04=~4.5e19, nebar=~8e19, PLH=675 kW, n||=1.9.

Will try again on next shot, hoping for fewer trips.

Aug 20 2010 11:25:09:120AM 1100820009 Greg Wallace Many trips on LH later in the pulse, coincident with hotspot activity on the A and B rows. Will try again with launcher moved back slightly (1272 vs 1270 on PLC). Looks like 1 or 2 H-modes during early part of LH pulse. Will try again on next shot.

Ch 16 on HXR still looks funny.

Aug 20 2010 11:38:39:947AM 1100820010 Greg Wallace Dithering H-modes during LH. Will try again with lower density before LH.

Aug 20 2010 11:53:25:637AM 1100820011 Greg Wallace Fizzle. HXR ch 16 shows just bit noise. Seems like there might be a problem with either shaper connectivity or the ribbon cable for ch 16.

Aug 20 2010 12:10:15:863PM 1100820012 Greg Wallace All trips on LH. Got the plasma I wanted on this shot, though. Density was 1e18 on LH probes. Should have been enough for good coupling. Will try again with launcher back at 1270 counts. Last attempt at low density double null.

Aug 20 2010 12:25:30:453PM 1100820013 Greg Wallace All trips again. Punting on step 2 and moving on to step 3 (single null, low density).

Looking into phase on klystron 4 as possible reason for very high reflections on col 6 which caused trips. Test shots confirm that phase of klystron 4 is moving all over the place.

Aug 20 2010 12:47:43:157PM 1100820014 Greg Wallace Fizzle. Test shot into dummy load shows phase on klystron 4 is unpredictable. Will put klystron 4 into dummy load for next shot.

Aug 20 2010 01:00:55:240PM 1100820015 Greg Wallace Dud. Will try again for low density single null (step 3).

Aug 20 2010 01:17:02:683PM 1100820016 Greg Wallace Good shot! Lower null, nl_04=~5.5e19, nebar=9-9.5e19, PLH=600 kW (klyst 4 into dummy load), n||=1.9.

Next shot will repeat with (hopefully) lower density and scanning probes.

Aug 20 2010 01:30:07:653PM 1100820017 Greg Wallace Good shot! Perfect for step 3. Lower null, nl_04~4.75e19, nebar~8e19, PLH~600 kW, n||=1.9. Good scanning probe data and MSE data.

Moving on to step 5 (already got step 4 in early part of run day, shots 2-3), double null at high density.

Aug 20 2010 02:53:53:927PM 1100820018 Greg Wallace Many trips on LH. Lots of flashing on LH camera---looks like maybe an injection or two as well? WIDE2 shows increase in brightness on upper and lower divertors at same time as flashing on grill. This is double null for step 5 of run plan.

Next shot will increase outer gap by 5mm to prevent flashover. Also will decrease demand nl_04 from 8 to 7.5e19.

Aug 20 2010 01:52:29:873PM 1100820019 Greg Wallace Fizzle.

Aug 20 2010 02:02:30:787PM 1100820020 Greg Wallace Fizzle.

Aug 20 2010 02:27:37:923PM 1100820021 Greg Wallace Many trips with flashing coming from septum between B16 and B15. Will try again with 5mm larger outer gap.

Aug 20 2010 02:35:12:487PM 1100820022 Greg Wallace Some flashing again, then plasma goes vertically unstable due to high elongation. Will try again with original (i.e. shot 13) shape and pull launcher back.

Aug 20 2010 02:54:17:700PM 1100820023 Greg Wallace Fizzle. Will try again for step 5 (high density double null).

Aug 20 2010 03:05:40:237PM 1100820024 Greg Wallace More flashing again. Will try for less programmed density (nebar=6.25e19 instead of 7.5e19). Still double null.

Aug 20 2010 03:20:55:180PM 1100820025 Greg Wallace LH does OK until H-modes start at around 0.92 s. Shot disrupts at 1.19 s. Early injection of Mo, but disruption does not seem to be W (according to Nathan). Will try again and hope to not get H-mode or disruption.

Aug 20 2010 03:39:37:607PM 1100820026 Greg Wallace More H-modes lead to flashing on grill and many trips. Plasma disrupts again at 1.13 s. LH system does not seem to like double null at high density. Will try reducing LH power from 140 to 130 kW/klystron on next shot.

Aug 20 2010 03:42:11:643PM 1100820027 Greg Wallace Fizzle.

Aug 20 2010 03:54:07:267PM 1100820028 Greg Wallace Another fizzle.

Aug 20 2010 04:16:41:947PM 1100820029 Greg Wallace Problems with H-modes again causing LH to flash over the grill and trip. Giving up on step 5 (double null, high density) and moving on to step 6 (single null, high density) for next shot.

Aug 20 2010 04:20:31:807PM 1100820030 Greg Wallace Fizzle.

Aug 20 2010 04:47:03:833PM 1100820031 Greg Wallace Good shot! Lower null, nl_04~8e19, nebar~1.3e20, PLH=600 kW, n||=1.9. Got what I needed for step 6 of run plan (single null, high density).

Moving on to step 8 of the run (lower null inner gap scan) at high density for next shot.

Aug 20 2010 04:56:52:357PM 1100820032 Greg Wallace Inner gap scan, but didn't quite get what I wanted. Density increases as we go towards inner wall limited and we get some flashing on the grill.

Next shot will be ohmic baseline for MSE.

Aug 20 2010 05:18:14:490PM 1100820033 Greg Wallace Ohmic shot for MSE.

Physics Operator Comments

Aug 20 2010 09:22:13:330AM 1100820001 Earl Marmar load 1100806030 inner wall limited, 800 kA, 5.4 T
nl_04 target to 4e19 straight across
extend flattop to 1.57 s (from 1.50 s)
import segment 1 from 1100819027 into segment 1

plasma full length
decent startup, no early hards

Aug 20 2010 09:23:03:810AM 1100820002 Earl Marmar no dpcs changes

plasma, full length

Aug 20 2010 09:46:10:340AM 1100820003 Earl Marmar eliminate vertical jog in the middle of the shot
PG3 preprog puff to 0 in segment 2

plasma, full length
bounce, early hards

Aug 20 2010 09:58:20:463AM 1100820004 Earl Marmar reduce nl_04 target early (before .2 s)
EF4 to -1260 A prior to t=0 (from -1280 A)

plasma, disrupt early in flattop, possibly a locked mode after LH turnoff

no bounce, no early hards

Aug 20 2010 10:13:28:940AM 1100820005 Earl Marmar no dpcs changes

plasma, early locked mode, disrupt at .62 s

Aug 20 2010 10:29:59:217AM 1100820006 Earl Marmar increase Ip prop gain early'ish in segment 2

plasma, disrupt 0.67 s

Aug 20 2010 10:42:29:970AM 1100820007 Earl Marmar load from 1100806021 5.4T, 800 kA, double null
extend flattop to 1.57 s
nl_04 target to 4e19 straight across
import segment 1 from 1100820006 into segment 1

plasma, disrupt early in rampdown
no early hards

Aug 20 2010 10:56:53:773AM 1100820008 Earl Marmar add some derivative gain to nl_04 feedback
keep nl_04 up after end of flattop

plasma, full length

Aug 20 2010 11:14:01:167AM 1100820009 Earl Marmar no dpcs changes

plasma, full length
1 or 2 short H-mode periods during LH

Aug 20 2010 11:43:07:737AM 1100820010 Earl Marmar no dpcs changes
fizzle off time to 1.8 s (from 2.1 s)
OH invert times to 2.0 s (from 2.3 s)

short delay before shot (TF cooling issue)

plasma, full length

Aug 20 2010 12:03:06:153PM 1100820011 Earl Marmar reduce nl_04 target a tad before 0.6 s
reduce pg3 preprog voltage in segment 2

fizzle, late breakdown

Aug 20 2010 12:05:47:943PM 1100820012 Earl Marmar prefill puff to 61 ms (from 58 ms)

plasma, full length
startup looks ok, no early hards

density ok; LH all trips

Aug 20 2010 12:24:04:973PM 1100820013 Earl Marmar no dpcs changes

plasma, full length
LH all trips

Aug 20 2010 12:39:42:850PM 1100820014 Earl Marmar load from 1100806010 5.4 T, 800 kA, LSN
import segment 1 from 1100820013 into segment 1
segments 1 and 4 are active
nl_04 to 4e19
lengthen flattop out to 1.57 s

fizzle, late breakdown

Aug 20 2010 12:56:32:330PM 1100820015 Earl Marmar prefill puff to 64 ms (from 61 ms)

dud, ef1 lower power supply problem

Aug 20 2010 02:38:46:007PM 1100820016 Earl Marmar no dpcs changes

plasma, full length

Aug 20 2010 02:38:01:337PM 1100820017 Earl Marmar BR_0 offset to +0.0007 (from +0.0002)

nl_04 target to 3.7e19

plasma, full length

Aug 20 2010 04:18:27:997PM 1100820018 Earl Marmar import segment 2 from 1100820013 into segment 2
turn off segment 4
turn on segment 2
BR_0 offset to -0.0003 T (from +0.0002 T)
nl_04 target to 8e19

plasma, full length

Aug 20 2010 01:52:09:650PM 1100820019 Earl Marmar nl_04 target to 7.5e19
decrease RCUR by .0025 m from 0.7 s

fizzle

Aug 20 2010 02:18:26:250PM 1100820020 Earl Marmar prefill puff to 59 ms (from 64 ms)

fizzle

Aug 20 2010 02:18:13:100PM 1100820021 Earl Marmar import segment 1 from 1100820017 into segment 1

plasma, full length

Aug 20 2010 02:39:58:480PM 1100820022 Earl Marmar reduce RCUR another 0.0025 m after 0.6 s

plasma, disrupt at 1.05 s
vertically unstable

Aug 20 2010 02:48:35:360PM 1100820023 Earl Marmar import segment 2 from 1100820018 into segment 2
decrease nl_04 target to 7.5e19

fizzle

Aug 20 2010 03:04:22:733PM 1100820024 Earl Marmar prefill puff to 60 ms (from 64 ms)
EF4 to -1270 A (from -1260 A)

plasma, full length

Aug 20 2010 03:15:11:563PM 1100820025 Earl Marmar reduce nl_04 target to 6.25e19

plasma, disrupt at 1.19 s
2 short h-modes during LH

Aug 20 2010 03:34:09:110PM 1100820026 Earl Marmar no dpcs changes

plasma, disrupt 1.13 s

bounce on startup, no early hards

Aug 20 2010 03:45:35:317PM 1100820027 Earl Marmar no dpcs changes
fizzle

Aug 20 2010 03:59:44:120PM 1100820028 Earl Marmar BR_0 offset to 0.0000 (from +0.0007)
prefill puff to 52 ms (from 60 ms)

fizzle

Aug 20 2010 04:10:17:487PM 1100820029 Earl Marmar EF4 to -1290 A (from -1270 A) [as suggested by Steve Wolfe]

plasma, full length
breakdown is now back to the normal time
H-mode(s) during LH

Aug 20 2010 04:27:47:383PM 1100820030 Earl Marmar turn off segment 2, turn on segment 4 (SNL, 800 kA, 5.4 T)
nl_04 target to 7.5e19

fizzle, big bounce

Aug 20 2010 04:51:11:737PM 1100820031 Earl Marmar increase prefill puff to 60 ms (from 52 ms)
ef4 to -1280 A (from -1290 A)

plasma, full length
startup ok, no early hards
sustained ohmic h-mode starts right after LH turns off

Aug 20 2010 05:00:03:893PM 1100820032 Earl Marmar clearin from +.003 to -0.03 between 0.8s and 1.3 s
rcur from .663 to .658 between 0.8s and 1.3 s
put the argon puff from segment 2 into segment 4

plasma, full length

Aug 20 2010 05:13:35:543PM 1100820033 Earl Marmar import segment 4 from 1100820031 into segment 4
grab argon puff program from segment 2 and paste into segment 4

plasma, full length
good startup, no hards

last shot of the day

Engineering Operator Comments

Shot Time Type Status Comment

1 09:06:23:620AM Plasma Ok

2 09:20:38:173AM Plasma Ok

3 09:34:07:427AM Plasma Ok

4 09:49:05:790AM Plasma Ok

5 10:04:11:433AM Plasma Ok

6 10:18:06:710AM Plasma Ok

7 10:33:01:980AM Plasma Ok

8 10:50:55:613AM Plasma Ok

9 11:07:01:340AM Plasma Ok

10 11:27:05:847AM Plasma Ok

11 11:42:13:583AM Plasma Ok

12 11:56:01:470AM Plasma Ok

13 12:09:34:537PM Plasma Ok

14 12:31:46:050PM Plasma Ok

15 12:50:03:090PM Plasma Bad EF1 L failed commutation

16 01:03:51:950PM Plasma Ok

17 01:17:55:767PM Plasma Ok

18 01:31:45:480PM Plasma Ok

19 01:46:35:270PM Plasma Ok

20 02:00:02:163PM Plasma Ok

21 02:12:55:647PM Plasma Ok

22 02:28:15:800PM Plasma Ok

23 02:42:01:010PM Plasma Ok

24 02:54:49:247PM Plasma Ok

25 03:08:56:943PM Plasma Ok

26 03:22:50:717PM Plasma Ok

27 03:36:47:843PM Plasma Ok

28 03:51:48:633PM Plasma Ok

29 04:04:48:973PM Plasma Ok

30 04:18:15:103PM Plasma Ok

31 04:31:12:103PM Plasma Ok

32 04:48:57:763PM Plasma Ok

33 05:06:32:077PM Plasma Ok

System Availability

Aug 20 2010 09:06:07:260AM

System Available Comment Availability
Changed Owner Description Who Can
Change
Active MHD no secured - tagged out Jun 02 2008 11:03AM (sears) Joe Snipes Active MHD Antenna sears,snipes
BES no BES system is ready for Up-to-air (Apr, 2010) Mar 31 2010 10:36AM (bespam) Bill Rowan Beam Emission Spectroscopy bespam,liao,rowan
Bolometers yes 2pi (D+F) working. All midplane and off-midplane diode arrays working except WB1AX. Midplane foils calibrated and PRAD_MAIN is being filled. Divertor/Ledge foils not yet ready. Jul 15 2010 08:27AM (mlreinke) Matt Reinke Bolometers hutch,mlreinke
Boronization no 3/26/10 Bottle Removed From Cell, monitors powered down, Autodialer function bypassed Mar 26 2010 05:29PM (dekow) Jim Irby Boronization dekow,irby
CNPA no Single channel CNPA available as of 12/1707 Jun 10 2009 10:22AM (twf) Ron Parker Compact Neutral Analyzer parker
Cryopump - Upper Divertor no Shut down. Helium dewar removed. LN2 manual valve and solenoid valves are closed and tagged. Apr 06 2010 10:51AM (labombard) Brian LaBombard Upper Divertor Cryopump irby,labombard
CXRS no Wide-view CXRS system is power down and ready for up-to-air (Apr, 2010) Mar 31 2010 10:36AM (bespam) Bill Rowan Charge Exchange Spectroscopy bespam,blip,liao,rachmcd,rowan
D Alpha yes \ha2_bright is available; \SPECTROSCOPY::TOP.VUV.VIS_SIGNALS:MCP_VIS_SIG1 is not available Jul 01 2009 09:45AM (terry) Jim Terry Balmer Alpha Monitor irby,terry,wolfe
Dalsa yes system is aligned; new calibrations (relative brightness and position) not yet implemented Jun 29 2010 10:27AM (marmar) Earl Marmar Visible Bremsstrahlung marmar
Disruption Mitigation yes operational, but turned off Nov 03 2009 04:59PM (granetz) Robert Granetz Gas Jet granetz,whyte
Divertor IR no Mar 06 2007 10:50AM Glen Wurden Divertor IR Digital Video gwurden,terry
Divertor IR Spectroscopy no Mar 06 2007 10:51AM Glen Wurden Divertor IR Spectroscopy gwurden,terry
DNB no in test mode only Nov 03 2009 05:01PM (granetz) Robert Granetz Diagnostic Neutral Beam dterry,granetz,gung
ECDC yes Operational Jun 26 2010 09:28PM (irby) Jim Irby 2.45 GHz, 3 kW, discharge cleaning system dekow,irby,pfeiffer
FRC-ECE yes All channels working and calibrated. Jul 30 2010 08:13AM (phillips) Perry Phillips Heterodyne ECE-32 channels phillips
G-Side Ratiomatic yes Gauges are operational. Jun 28 2010 08:02PM (labombard) Brian LaBombard G-side ratiomatic ionization gauge labombard,toland
Glow Discharge no Plugs for Power Supply and Controls have been unplugged and red tagged making system safe for In-Vessel Access. Apr 05 2010 11:18AM (dekow) Jim Irby 1 kV, 5 A, glow discharge system dekow,dterry,irby
GPC yes Operational. Jul 28 2009 04:23PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPC2 yes Most channels operational. Ch 5 preamp replaced 6/18. Jun 22 2010 03:03PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPI yes The Xpt-view, the midplane-view cameras are operational. The innerwall GPI (coupled to the fast-diodes) is available. Jul 01 2009 09:45AM (terry) Jim Terry Gas Puff Imaging terry,zweben
H/D yes operating normally Jun 29 2010 10:26AM (marmar) Earl Marmar H/D Ratio marmar
HEAT yes Jun 26 2010 11:19PM (dekow) Gary Dekow - Machine Heaters - burke,dekow
Hirex Jr yes Hirex-Jr has been installed Jun 28 2010 03:36PM (rice) John Rice High Resolution X-Ray ince,rice
Hirex Sr yes System installed and aligned. Inverted profiles are still not available. Jul 22 2010 08:41AM (ypodpaly) John Rice High Resolution X-Ray ince,rice,ypodpaly
HXR yes Jun 28 2010 12:12PM (schmidt) Ron Parker Hard X-Ray Array parker,schmidt
ICRF D-Antenna yes system checked out ok on 11006728. Jun 28 2010 04:57PM (ylin) Steve Wukitch D-port antenna wukitch,ylin
ICRF E-Antenna yes system checked out ok on 1100628 Jun 28 2010 04:57PM (ylin) Steve Wukitch E-port antenna wukitch,ylin
ICRF J-Antenna yes system checked out ok. conditioned to vacuum. Jun 28 2010 04:58PM (ylin) Steve Wukitch J-port antenna wukitch,ylin
Laser Blow-Off yes operational and tested Jul 20 2010 04:42PM (g) Martin Greenwald Impurity Injection System g,nthoward
Lower Hybrid yes LH was tested into dummy loads synced to shot. Shorts have been removed. Probe Cal. 6/29/10 evening. Jun 29 2010 03:51PM (dterry) Ron Parker Lower Hybrid dterry,parker,wallaceg
Lower Hybrid Reflectometer yes 60 GHz system to detect upshifted signal Jul 28 2010 01:39PM (sgbaek) Arturo Dominguez Lower Hybrid Reflectometer dominguez,marmar,parker,sgbaek
LPI no Beam line removed May 30 2008 02:09PM (bose) Earl Marmar Lithium Pellet Injector bose,marmar
Ly-alpha yes LYMID, WB4LY and LLY working. WB1LY not attached due to pickup problems. Jul 01 2010 11:58AM (mlreinke) Matt Reinke Lyman alpha cameras labombard,mlreinke
McPherson yes Spectra being collected and tree filled. Wavelength scan is broken so fixed on the Mo XXXI and XXXII lines. Jul 15 2010 08:28AM (mlreinke) Jim Terry VUV Spectrometer mlreinke,terry
Michelson yes Operational. Start at reduced speed. Jun 22 2010 03:02PM (hubbard) Amanda Hubbard ECE Te Profiles hubbard,schmidt
MKS yes Gauges are operational Jun 28 2010 08:02PM (labombard) Brian LaBombard Baratron pressure gauges labombard
MLP no System is in edge lab. Version 2 drivers ready to test. Needs a student to help work on it. Jul 14 2009 09:20PM (labombard) Brian LaBombard Mirror Langmuir Probe Electronics System labombard
MSE no As of 6/10/09, MSE is calibrated & ready to go. Awaiting DNB. Jun 10 2009 10:34AM (sscott) Steve Scott Motional Stark Effect jinseok,sscott
Neutrons yes All systems are on and functional Jun 29 2010 12:56PM (fiore) Catherine Fiore Neutron Detectors fiore
Neuts and Hards yes PMT Neuts_hards, ssd_x01, ssd_x02, ssd_x03 Jun 26 2010 09:21PM (irby) Jim Irby X-Ray/Neutron Detectors at K-Hor irby
NINJA no Capillaries tested in-vessel. Jun 28 2010 08:08PM (labombard) Brian LaBombard NINJA gas puff labombard,terry
PCI yes Operational. AM (2 * 39.51) MHz. Jul 19 2010 05:54PM (ntsujii) Miklos Porkolab Phase Contrast Imaging arai,ennever,ntsujii,porkolab
Penning Gauges no High voltage power supplies are turned off, waiting for work at A-port horizontal to be finished. Jun 28 2010 08:07PM (labombard) Brian LaBombard Penning Ionization Gauges labombard
Plasma TV yes WIDE1, WIDE2 (chan 33), DANT, JANT and DIV are operational. Jul 01 2009 09:46AM (terry) Jim Terry Video of plasma via several cameras dekow,irby,terry,wolfe
Polarimeter no Safe for Machine Entry Sep 14 2007 12:17PM (irby) Jim Irby C-Mod Polarimeter irby
Power - Alternator Air Switch yes Jun 26 2010 11:19PM (dekow) Gary Dekow feeds all the other supplies cochran,dekow,dterry,irby
Power - PEI yes Jun 26 2010 11:19PM (dekow) Gary Dekow PEI System cochran,dekow,dterry,irby
Power - TMX yes Jun 26 2010 11:19PM (dekow) Gary Dekow Ef2s,. EFCs and A-Coils byford,cochran,dekow,dterry,irby
Power Systems yes Jun 26 2010 11:20PM (dekow) Jim Irby C-Mod Magnet Supplies byford,cochran,dekow,dterry,irby
Probe Array - ISD yes Operational. Jun 28 2010 08:03PM (labombard) Brian Labombard Inner Lower Divertor Probe Array labombard
Probe Array - LH yes Operational. Jun 28 2010 08:03PM (labombard) Brian LaBombard Lower Hybrid Probe Array labombard
Probe Array - OSD yes F and J outer divertor probes are operational. Jun 28 2010 08:04PM (labombard) Brian LaBombard Outer Lower Divertor Probe Array labombard
Probe Array - UDIV yes Operational, except probe#13 Jun 28 2010 08:04PM (labombard) Brian LaBombard Upper Divertor Probe Array labombard
Reflectometer yes On 1100817xxx the system is fully connected. These are still some noise issues but the system should be in better shape than the previous week. Aug 17 2010 08:53AM (dominguez) Earl Marmar Reflectometer dominguez,marmar
Scanning Probe - ASP yes Operational. New Langmuir-Mach probe head installed. Jun 28 2010 08:05PM (labombard) Brian LaBombard A-Port Scanning Probe labombard
Scanning Probe - FSP yes Operational. Jun 28 2010 08:05PM (labombard) Brian LaBombard F-Port Scanning Probe labombard
Scanning Probe - WASP yes Both A and K units are operational. Coil polarity needs to be checked. Jun 28 2010 08:06PM (labombard) Brian LaBombard Inner Wall Scanning Probe labombard,nsmick
Sparker yes HV supply on, cable run to sparker at k-hor Jun 23 2010 02:41PM (irby) Jim Irby Field Emission Preionization for C-Mod dekow,irby,parkin
Surface Science Station no SSS installed and leak tested, individual probes not installed Jun 28 2010 01:28PM (ochoukov) Bruce Lipschultz Radially scanning probe located on K-port blip,ochoukov
TCI yes No new CO2 detector, so still missing edge channels Jun 23 2010 02:40PM (irby) Jim Irby Two-Color Interferometer irby,murray
TS - Core yes Operating with 2 lasers, but density is **uncalibrated** Jul 14 2010 11:54AM (jwhughes) Jerry Hughes Core Thomson scattering jwhughes,yma
TS - Edge yes Operational Jul 14 2010 11:54AM (jwhughes) Jerry Hughes Millimeter resolution edge Thomson scattering jwhughes,yma
Vispec no 350 and 670 nm, 4 spatial channels Nov 28 2007 09:58AM (agraf) Alex Graf Visible Spectrometer agraf
XEUS yes Operational Jul 01 2010 11:57AM (mlreinke) Matt Reinke X-ray Extended Ultraviolet Spectrometer mlreinke
XTOMO yes Core system working. Edge system waiting for H-modes. Jul 01 2010 11:55AM (mlreinke) Bob Granetz X-Ray Tomography granetz,mlreinke

Session Leader Comments
Aug 20 2010 09:32:35:147AM	1100820001	Greg Wallace	Good shot! LH clean until near end of pulse. nl_04=7-7.5e19, nebar=1.35-1.45e20. PLH=650 kW. Some heating on B-side septa of B row. Will repeat with lower density on next shot. Scanning probes on next shot.
Aug 20 2010 09:32:13:617AM	1100820002	Greg Wallace	Good shot! nebar=1.35-1.4e20, nl_04=7-7.2e19, PLH=650 kW, n\|\|=1.9, inner wall limited with scanning probes. Will suffice for step 4 of run plan. Next step will try to reduce density further and eliminate vertical jog in zcur (for real this time).
Aug 20 2010 09:49:15:917AM	1100820003	Greg Wallace	Good shot! Inner wall limited, nl_04=6.5-6.8e19, nebar=1.25-1.32e20. PLH=625 kW, n\|\|=1.9. Again, this shot might be good for step 4 of run plan, but not low enough density for step 1. Good MSE and scanning probe data on this shot. HXR ch 16 looks funny, 15 and 14 are OK. Next shot will try again to get lower density in limited configuration.
Aug 20 2010 09:57:06:893AM	1100820004	Greg Wallace	Good shot! Inner wall limited, nl_04=5.5e19, nebar=1.1e20. PLH=650 kW, n\|\|=1.9. Density is lower now but not quite as low as I'd like for step 1. Next shot will try one final time for the low density data point (nl_04~4.5e19).
Aug 20 2010 10:20:10:447AM	1100820005	Greg Wallace	Disruption at 0.62 s. Will try again for low density inner wall limited.
Aug 20 2010 10:23:34:340AM	1100820006	Greg Wallace	Disruption again, at 0.76 s this time. Moving on to step 2 (low density double null) for next shot. Will take equilibrium from 1100806021.
Aug 20 2010 10:41:25:950AM	1100820007	Greg Wallace	Good shot! A few trips late in LH pulse but otherwise no problems. Density moves around a bit more than I'd like. Double null, nl_04=4-5e19, nebar=7-9e19, PLH=650 kW, n\|\|=1.9. Syun'ichi thinks there was a locked mode during lowest density part of LH pulse. Next shot will repeat with scanning probes and will try for flatter density during LH.
Aug 20 2010 10:57:55:057AM	1100820008	Greg Wallace	OK shot. Some trips late in shot with indications of hot spots on A and B rows-D side on LH camera. Density during LH was better controlled. Double null, nl_04=~4.5e19, nebar=~8e19, PLH=675 kW, n\|\|=1.9. Will try again on next shot, hoping for fewer trips.
Aug 20 2010 11:25:09:120AM	1100820009	Greg Wallace	Many trips on LH later in the pulse, coincident with hotspot activity on the A and B rows. Will try again with launcher moved back slightly (1272 vs 1270 on PLC). Looks like 1 or 2 H-modes during early part of LH pulse. Will try again on next shot. Ch 16 on HXR still looks funny.
Aug 20 2010 11:38:39:947AM	1100820010	Greg Wallace	Dithering H-modes during LH. Will try again with lower density before LH.
Aug 20 2010 11:53:25:637AM	1100820011	Greg Wallace	Fizzle. HXR ch 16 shows just bit noise. Seems like there might be a problem with either shaper connectivity or the ribbon cable for ch 16.
Aug 20 2010 12:10:15:863PM	1100820012	Greg Wallace	All trips on LH. Got the plasma I wanted on this shot, though. Density was 1e18 on LH probes. Should have been enough for good coupling. Will try again with launcher back at 1270 counts. Last attempt at low density double null.
Aug 20 2010 12:25:30:453PM	1100820013	Greg Wallace	All trips again. Punting on step 2 and moving on to step 3 (single null, low density). Looking into phase on klystron 4 as possible reason for very high reflections on col 6 which caused trips. Test shots confirm that phase of klystron 4 is moving all over the place.
Aug 20 2010 12:47:43:157PM	1100820014	Greg Wallace	Fizzle. Test shot into dummy load shows phase on klystron 4 is unpredictable. Will put klystron 4 into dummy load for next shot.
Aug 20 2010 01:00:55:240PM	1100820015	Greg Wallace	Dud. Will try again for low density single null (step 3).
Aug 20 2010 01:17:02:683PM	1100820016	Greg Wallace	Good shot! Lower null, nl_04=~5.5e19, nebar=9-9.5e19, PLH=600 kW (klyst 4 into dummy load), n\|\|=1.9. Next shot will repeat with (hopefully) lower density and scanning probes.
Aug 20 2010 01:30:07:653PM	1100820017	Greg Wallace	Good shot! Perfect for step 3. Lower null, nl_04~4.75e19, nebar~8e19, PLH~600 kW, n\|\|=1.9. Good scanning probe data and MSE data. Moving on to step 5 (already got step 4 in early part of run day, shots 2-3), double null at high density.
Aug 20 2010 02:53:53:927PM	1100820018	Greg Wallace	Many trips on LH. Lots of flashing on LH camera---looks like maybe an injection or two as well? WIDE2 shows increase in brightness on upper and lower divertors at same time as flashing on grill. This is double null for step 5 of run plan. Next shot will increase outer gap by 5mm to prevent flashover. Also will decrease demand nl_04 from 8 to 7.5e19.
Aug 20 2010 01:52:29:873PM	1100820019	Greg Wallace	Fizzle.
Aug 20 2010 02:02:30:787PM	1100820020	Greg Wallace	Fizzle.
Aug 20 2010 02:27:37:923PM	1100820021	Greg Wallace	Many trips with flashing coming from septum between B16 and B15. Will try again with 5mm larger outer gap.
Aug 20 2010 02:35:12:487PM	1100820022	Greg Wallace	Some flashing again, then plasma goes vertically unstable due to high elongation. Will try again with original (i.e. shot 13) shape and pull launcher back.
Aug 20 2010 02:54:17:700PM	1100820023	Greg Wallace	Fizzle. Will try again for step 5 (high density double null).
Aug 20 2010 03:05:40:237PM	1100820024	Greg Wallace	More flashing again. Will try for less programmed density (nebar=6.25e19 instead of 7.5e19). Still double null.
Aug 20 2010 03:20:55:180PM	1100820025	Greg Wallace	LH does OK until H-modes start at around 0.92 s. Shot disrupts at 1.19 s. Early injection of Mo, but disruption does not seem to be W (according to Nathan). Will try again and hope to not get H-mode or disruption.
Aug 20 2010 03:39:37:607PM	1100820026	Greg Wallace	More H-modes lead to flashing on grill and many trips. Plasma disrupts again at 1.13 s. LH system does not seem to like double null at high density. Will try reducing LH power from 140 to 130 kW/klystron on next shot.
Aug 20 2010 03:42:11:643PM	1100820027	Greg Wallace	Fizzle.
Aug 20 2010 03:54:07:267PM	1100820028	Greg Wallace	Another fizzle.
Aug 20 2010 04:16:41:947PM	1100820029	Greg Wallace	Problems with H-modes again causing LH to flash over the grill and trip. Giving up on step 5 (double null, high density) and moving on to step 6 (single null, high density) for next shot.
Aug 20 2010 04:20:31:807PM	1100820030	Greg Wallace	Fizzle.
Aug 20 2010 04:47:03:833PM	1100820031	Greg Wallace	Good shot! Lower null, nl_04~8e19, nebar~1.3e20, PLH=600 kW, n\|\|=1.9. Got what I needed for step 6 of run plan (single null, high density). Moving on to step 8 of the run (lower null inner gap scan) at high density for next shot.
Aug 20 2010 04:56:52:357PM	1100820032	Greg Wallace	Inner gap scan, but didn't quite get what I wanted. Density increases as we go towards inner wall limited and we get some flashing on the grill. Next shot will be ohmic baseline for MSE.
Aug 20 2010 05:18:14:490PM	1100820033	Greg Wallace	Ohmic shot for MSE.

Physics Operator Comments
Aug 20 2010 09:22:13:330AM	1100820001	Earl Marmar	load 1100806030 inner wall limited, 800 kA, 5.4 T nl_04 target to 4e19 straight across extend flattop to 1.57 s (from 1.50 s) import segment 1 from 1100819027 into segment 1 plasma full length decent startup, no early hards
Aug 20 2010 09:23:03:810AM	1100820002	Earl Marmar	no dpcs changes plasma, full length
Aug 20 2010 09:46:10:340AM	1100820003	Earl Marmar	eliminate vertical jog in the middle of the shot PG3 preprog puff to 0 in segment 2 plasma, full length bounce, early hards
Aug 20 2010 09:58:20:463AM	1100820004	Earl Marmar	reduce nl_04 target early (before .2 s) EF4 to -1260 A prior to t=0 (from -1280 A) plasma, disrupt early in flattop, possibly a locked mode after LH turnoff no bounce, no early hards
Aug 20 2010 10:13:28:940AM	1100820005	Earl Marmar	no dpcs changes plasma, early locked mode, disrupt at .62 s
Aug 20 2010 10:29:59:217AM	1100820006	Earl Marmar	increase Ip prop gain early'ish in segment 2 plasma, disrupt 0.67 s
Aug 20 2010 10:42:29:970AM	1100820007	Earl Marmar	load from 1100806021 5.4T, 800 kA, double null extend flattop to 1.57 s nl_04 target to 4e19 straight across import segment 1 from 1100820006 into segment 1 plasma, disrupt early in rampdown no early hards
Aug 20 2010 10:56:53:773AM	1100820008	Earl Marmar	add some derivative gain to nl_04 feedback keep nl_04 up after end of flattop plasma, full length
Aug 20 2010 11:14:01:167AM	1100820009	Earl Marmar	no dpcs changes plasma, full length 1 or 2 short H-mode periods during LH
Aug 20 2010 11:43:07:737AM	1100820010	Earl Marmar	no dpcs changes fizzle off time to 1.8 s (from 2.1 s) OH invert times to 2.0 s (from 2.3 s) short delay before shot (TF cooling issue) plasma, full length
Aug 20 2010 12:03:06:153PM	1100820011	Earl Marmar	reduce nl_04 target a tad before 0.6 s reduce pg3 preprog voltage in segment 2 fizzle, late breakdown
Aug 20 2010 12:05:47:943PM	1100820012	Earl Marmar	prefill puff to 61 ms (from 58 ms) plasma, full length startup looks ok, no early hards density ok; LH all trips
Aug 20 2010 12:24:04:973PM	1100820013	Earl Marmar	no dpcs changes plasma, full length LH all trips
Aug 20 2010 12:39:42:850PM	1100820014	Earl Marmar	load from 1100806010 5.4 T, 800 kA, LSN import segment 1 from 1100820013 into segment 1 segments 1 and 4 are active nl_04 to 4e19 lengthen flattop out to 1.57 s fizzle, late breakdown
Aug 20 2010 12:56:32:330PM	1100820015	Earl Marmar	prefill puff to 64 ms (from 61 ms) dud, ef1 lower power supply problem
Aug 20 2010 02:38:46:007PM	1100820016	Earl Marmar	no dpcs changes plasma, full length
Aug 20 2010 02:38:01:337PM	1100820017	Earl Marmar	BR_0 offset to +0.0007 (from +0.0002) nl_04 target to 3.7e19 plasma, full length
Aug 20 2010 04:18:27:997PM	1100820018	Earl Marmar	import segment 2 from 1100820013 into segment 2 turn off segment 4 turn on segment 2 BR_0 offset to -0.0003 T (from +0.0002 T) nl_04 target to 8e19 plasma, full length
Aug 20 2010 01:52:09:650PM	1100820019	Earl Marmar	nl_04 target to 7.5e19 decrease RCUR by .0025 m from 0.7 s fizzle
Aug 20 2010 02:18:26:250PM	1100820020	Earl Marmar	prefill puff to 59 ms (from 64 ms) fizzle
Aug 20 2010 02:18:13:100PM	1100820021	Earl Marmar	import segment 1 from 1100820017 into segment 1 plasma, full length
Aug 20 2010 02:39:58:480PM	1100820022	Earl Marmar	reduce RCUR another 0.0025 m after 0.6 s plasma, disrupt at 1.05 s vertically unstable
Aug 20 2010 02:48:35:360PM	1100820023	Earl Marmar	import segment 2 from 1100820018 into segment 2 decrease nl_04 target to 7.5e19 fizzle
Aug 20 2010 03:04:22:733PM	1100820024	Earl Marmar	prefill puff to 60 ms (from 64 ms) EF4 to -1270 A (from -1260 A) plasma, full length
Aug 20 2010 03:15:11:563PM	1100820025	Earl Marmar	reduce nl_04 target to 6.25e19 plasma, disrupt at 1.19 s 2 short h-modes during LH
Aug 20 2010 03:34:09:110PM	1100820026	Earl Marmar	no dpcs changes plasma, disrupt 1.13 s bounce on startup, no early hards
Aug 20 2010 03:45:35:317PM	1100820027	Earl Marmar	no dpcs changes fizzle
Aug 20 2010 03:59:44:120PM	1100820028	Earl Marmar	BR_0 offset to 0.0000 (from +0.0007) prefill puff to 52 ms (from 60 ms) fizzle
Aug 20 2010 04:10:17:487PM	1100820029	Earl Marmar	EF4 to -1290 A (from -1270 A) [as suggested by Steve Wolfe] plasma, full length breakdown is now back to the normal time H-mode(s) during LH
Aug 20 2010 04:27:47:383PM	1100820030	Earl Marmar	turn off segment 2, turn on segment 4 (SNL, 800 kA, 5.4 T) nl_04 target to 7.5e19 fizzle, big bounce
Aug 20 2010 04:51:11:737PM	1100820031	Earl Marmar	increase prefill puff to 60 ms (from 52 ms) ef4 to -1280 A (from -1290 A) plasma, full length startup ok, no early hards sustained ohmic h-mode starts right after LH turns off
Aug 20 2010 05:00:03:893PM	1100820032	Earl Marmar	clearin from +.003 to -0.03 between 0.8s and 1.3 s rcur from .663 to .658 between 0.8s and 1.3 s put the argon puff from segment 2 into segment 4 plasma, full length
Aug 20 2010 05:13:35:543PM	1100820033	Earl Marmar	import segment 4 from 1100820031 into segment 4 grab argon puff program from segment 2 and paste into segment 4 plasma, full length good startup, no hards last shot of the day

Engineering Operator Comments
Shot	Time	Type	Status	Comment
1	09:06:23:620AM	Plasma	Ok
2	09:20:38:173AM	Plasma	Ok
3	09:34:07:427AM	Plasma	Ok
4	09:49:05:790AM	Plasma	Ok
5	10:04:11:433AM	Plasma	Ok
6	10:18:06:710AM	Plasma	Ok
7	10:33:01:980AM	Plasma	Ok
8	10:50:55:613AM	Plasma	Ok
9	11:07:01:340AM	Plasma	Ok
10	11:27:05:847AM	Plasma	Ok
11	11:42:13:583AM	Plasma	Ok
12	11:56:01:470AM	Plasma	Ok
13	12:09:34:537PM	Plasma	Ok
14	12:31:46:050PM	Plasma	Ok
15	12:50:03:090PM	Plasma	Bad	EF1 L failed commutation
16	01:03:51:950PM	Plasma	Ok
17	01:17:55:767PM	Plasma	Ok
18	01:31:45:480PM	Plasma	Ok
19	01:46:35:270PM	Plasma	Ok
20	02:00:02:163PM	Plasma	Ok
21	02:12:55:647PM	Plasma	Ok
22	02:28:15:800PM	Plasma	Ok
23	02:42:01:010PM	Plasma	Ok
24	02:54:49:247PM	Plasma	Ok
25	03:08:56:943PM	Plasma	Ok
26	03:22:50:717PM	Plasma	Ok
27	03:36:47:843PM	Plasma	Ok
28	03:51:48:633PM	Plasma	Ok
29	04:04:48:973PM	Plasma	Ok
30	04:18:15:103PM	Plasma	Ok
31	04:31:12:103PM	Plasma	Ok
32	04:48:57:763PM	Plasma	Ok
33	05:06:32:077PM	Plasma	Ok