Alcator C-Mod Run 1080103 Information

Miniproposals

Miniproposal: 355

Date Filed: 11/12/2003

Title: ICRF Testing & Conditioning

First Author: Steve Wukitch

Session Leader: Steve Wukitch (shots 1-29)

Operators
Session leader(s):	Steve Wukitch
Physics operator(s):	Jim Irby,Robert Granetz
Engineering operator(s):	Andy Pfeiffer,Ed Fitzgerald,Bill Byford

Engineering Operator Run Comment
MP355 Wukitch/Lin PO Irby SL Wukitch

Session Leader Plans

Physics Operators Plans

Entered: Jan 2 2008 04:58:47:860PM

Author: Jim Irby

-----------------
Engineering Setup
-----------------

MP355 Wukitch/Lin

This will be a high ICRF power, high plasma current conditioning run

Run begins at 09:00 and ends at 17:00

Power systems as on: 1071218019

Acoil: +Dtop -Dbot -Jtop +Jbot (standard) Hybrid Enabled

Gas setup:

Fill B-Top with 6 psi D2 Hybrid enabled (PG4)
fill B-side lower with 1 psi Ar Hybrid DISABLED (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 DISABLED

Enable gatevalves and shutters: ECE, VUV, DNB, Z-bolo

Torvac gatevalve toggle (yes/no): yes, 300 s

Boronization(yes/no): no
Overnight ECDC (yes/no): yes
ICRF(yes/no): yes
LH(yes/no): late in shot, early in day
DNB(yes/no): if possible
Cryopump (yes/no): yes, if we have helium

Vessel temperature: 35/35/35

------------------------------
ECDC Parameters
------------------------------
gas and pressure: D2 at 2e-4 Torr
sweep: 44/45/103 cm
scan: 20/120 s

Session Leader Summaries

Entered: Jan 4 2008 09:22:04:800AM

Author: Steve Wukitch

Run Summary

The high point of the day was 005. We completed a comparison between
two USN discharges with upper triangularity of 0.4 and 0.66. We
noticed that disruptions were more likely with the lower value of
upper triangularity. We also had to turn off the LH with the ICRF and
move the coupler back because of localized heating on the coupler. We
moved to LSN discharges and operations were significantly more
difficult. Operations became even worse at 1 MA compared to 0.8 MA
and may be related by antenna voltage. The H/D level shows signs of
peaking. Comparing discharges 012 and 027, the latter had slightly
lower final H/D value than the earlier discharge.

Physics Operator Summaries

Session Leader Comments

Jan 3 2008 09:29:54:900AM 1080103001 Steve Wukitch 001 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.5 cm.
L-mode during RF.
D: ran 1 MW (0.66 MJ)
E: ran 1 MW (0.73 MJ) 1 fault
J: ran 2 MW (1.47 MJ) 3 faults
next: raise D, E, and J power

Jan 3 2008 09:52:02:190AM 1080103002 Steve Wukitch 002 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, USN, gap 1.1 cm.
L-mode during RF.
D: ran 1.25 MW (0.89 MJ) 1 fault
E: ran 1.25 MW (0.87 MJ) 3 faults
J: ran 2.5 MW (1 MJ) many faults
next: raise D and E
cryo ready

Jan 3 2008 10:09:29:840AM 1080103003 Steve Wukitch 003 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, USN, gap 1.6 cm.
L-mode during RF.
D: ran 1.5 MW (0.89 MJ) 1 fault
E: ran 1.5 MW (0.87 MJ) 3 faults
J: ran 2.5 MW (1 MJ) many faults
note: tube arc on #3 after the pulse
some brief H-modes that result in antenna trips
disruption - injection from LH launcher
next: lower D and E

Jan 3 2008 10:32:23:657AM 1080103004 Steve Wukitch 004 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.6 cm.
L-mode during RF.
D: ran 1.25 MW (0.93 MJ)
E: ran 1.25 MW (0.93 MJ)
J: ran 2.5 MW (1.2 MJ) 15 faults
note: LH still glowing - time to move it back

Jan 3 2008 10:57:48:773AM 1080103005 Steve Wukitch 005 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.6 cm.
L-mode during RF.
D: ran 1.25 MW (0.63 MJ) 1 fault
E: ran 1.25 MW (0.65 MJ) no fault
J: ran 2.5 MW (1.4 MJ) 1 fault
next: lower upper triangularity to 0.42 as in 107122017

Jan 3 2008 11:07:13:533AM 1080103006 Steve Wukitch early disruption

Jan 3 2008 11:34:05:493AM 1080103007 Steve Wukitch no power

Jan 3 2008 11:43:38:787AM 1080103008 Steve Wukitch 008 5.4 T, 0.8 MA, nl04=0.9e20 /m^2, USN, gap 1.8 cm.
L-mode during RF.
D: ran 1.25 MW (0.63 MJ) 9 faults
E: ran 1.25 MW (0.65 MJ) 2 faults
J: ran 2.5 MW (1.4 MJ) 7 fault
next: changed to LSN to avoid disruptions
long ramps on RF power to start things off

Jan 3 2008 11:57:23:203AM 1080103009 Steve Wukitch fizzle

Jan 3 2008 12:26:26:490PM 1080103010 Steve Wukitch 010 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
L-mode during RF.
D: ran 1.25 MW (0.49 MJ) 9 faults
E: ran 1.25 MW (0.71 MJ) 3 faults
J: ran 2.5 MW (0.8 MJ) many fault
next: repeat

Jan 3 2008 12:33:45:813PM 1080103011 Steve Wukitch 011 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
L-mode during RF.
D: ran 1.25 MW (0.82 MJ) 3 faults
E: ran 1.25 MW (0.87 MJ) 2 faults
J: ran 2.5 MW (0.8 MJ) many faults
next: repeat

Jan 3 2008 12:48:04:777PM 1080103012 Steve Wukitch 012 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
L-mode during RF.
D: ran 1.25 MW (0.75 MJ) 3 faults
E: ran 1.25 MW (0.84 MJ)
J: ran 2 MW (1.3 MJ) 5 faults
next: repeat; pellet at 1.4 s

Jan 3 2008 01:05:44:487PM 1080103013 Steve Wukitch 013 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
H-modes during RF.
D: ran 1.25 MW (0.78 MJ) 2 faults
E: program issue (control code change went wrong)
J: ran 2.4 MW (1.4 MJ) 7 faults
note: no pellet
next: repeat; pellet at 1.4 s

Jan 3 2008 01:21:55:857PM 1080103014 Steve Wukitch 014 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm.
H-modes during RF.
D: max faults
E: ran 1.25 MW (0.68 MJ) 2 faults
J: ran 2.4 MW (1.2 MJ) 6 faults
note: disruption at 1.3 s
next: repeat w/o disruption; pellet at 1.4 s

Jan 3 2008 01:33:36:350PM 1080103015 Steve Wukitch 015 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm.
in and out of H-modes during RF.
D: ran 1.5 MW (0.9 MJ) 9 faults
E: ran 1.25 MW (0.74 MJ) 7 faults
J: ran 3 MW (1.1 MJ) many faults
note: discharge did not survive pellet
next: repeat

Jan 3 2008 01:49:49:893PM 1080103016 Steve Wukitch 016 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm.
in and out of H-modes during RF.
D: ran 1.5 MW (0.9 MJ) 6 faults
E: ran 1.25 MW (0.79 MJ) 4 faults
J: ran 3 MW (1.1 MJ) many faults
next: increase Ip->1 MA, nl04->0.9

Jan 3 2008 02:06:13:900PM 1080103017 Steve Wukitch 017 5.4 T, 1 MA, nl04=0.9e20 /m^2, LSN, gap 1 cm.
in and out of H-modes during RF.
D: ran 1.5 MW (0.41 MJ) 9 faults
E: ran 1.25 MW (0.46 MJ)
J: ran 3 MW (0.6 MJ) 9 faults
note: disruption at ~1.14 s
next: increase nl04->1

Jan 3 2008 02:39:02:217PM 1080103018 Steve Wukitch fizzle

Jan 3 2008 02:53:39:413PM 1080103019 Steve Wukitch 019 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: max faults
E: ran 1.25 MW (0.9 MJ) 1 fault
J: ran 3 MW (0.9 MJ) many faults
next: repeat with lower D and more steps in J

Jan 3 2008 03:03:22:847PM 1080103020 Steve Wukitch fizzle

Jan 3 2008 03:33:08:320PM 1080103021 Steve Wukitch 021 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.3) 9 faults
E: ran 1.25 MW (0.38 MJ) 9 faults
J: ran 3 MW (0.7 MJ) many faults
next: repeat

Jan 3 2008 03:34:07:260PM 1080103022 Steve Wukitch 022 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.3) 9 faults
E: fft fault
J: ran 3 MW (0.6 MJ) many faults
next: repeat

Jan 3 2008 03:57:50:360PM 1080103023 Steve Wukitch 023 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.86 MJ) 4 faults
E: ran 1.25 MW (0.9 MJ)
J: ran 3 MW (1 MJ) many faults
next: increase nl04 target to 1.1

Jan 3 2008 04:11:46:430PM 1080103025 Steve Wukitch fizzle

Jan 3 2008 04:28:26:033PM 1080103026 Steve Wukitch 026 5.4 T, 1 MA, nl04=1.1e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: max faults
E: ran 1.25 MW (0.9 MJ)
J: ran 2 MW (1 MJ) many faults
next: Ip->0.8 MA, nl04->0.8

Jan 3 2008 05:01:03:007PM 1080103027 Steve Wukitch 027 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.9 MJ) 2 faults
E: ran 1.25 MW (0.9 MJ) 2 faults
J: ran 2 MW (1.3 MJ) 8 faults
next: Ip->0.9 MA

Jan 4 2008 09:22:22:613AM 1080103028 Steve Wukitch 028 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.9 MJ) 1 faults
E: ran 1.25 MW (0.9 MJ) 2 faults
J: ran 2 MW (1.5 MJ) 8 faults
next: Ip->0.9 MA

Jan 4 2008 09:19:47:410AM 1080103029 Steve Wukitch 029 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm.
in and out of H-modes during RF.
D: ran 1.25 MW (0.9 MJ)
E: ran 1.25 MW (0.9 MJ)
J: ran 2 MW (1.5 MJ) 8 faults

Physics Operator Comments

Jan 3 2008 08:36:09:890AM Jim Irby loaded from 1071218019 --- 800 kA, 8e19/m^2, upper null discharge in seg 3
loaded

reduced prepuff from 31 to 22 ms
loaded

Watch BP-25 --- it caused trouble during 1071221 run. It was zapped the following week.

Jan 3 2008 10:54:29:977AM 1080103001 Jim Irby prepuff to 32 ms --- cryopump is running --- puff starts at -0.4 s not -0.5 s
loaded

rga pc undergoing a reboot --- standard transfer error

basepressure 2.3e-8 Torr after cryopump cooldown n2 burst

rga back online --- trends okay

plasma into rampdown

bz0 is considerably more negative than on startup shot, but Steve finds nothing wrong with loops.

beautiful rf pulse to 4 MW

twopi at about 800 kW (fudge=1)

90 kJ

Jan 3 2008 09:45:54:410AM 1080103002 Jim Irby LH will run between 1.3 and 1.5 s

no dpcs changes

plasma into rampdown

Jan 3 2008 10:04:39:073AM 1080103003 Jim Irby no dpcs changes

disruption at 1.46 s --- Greg notes grill glow

Steve has requested we shut down LH for the rest of today.

Jan 3 2008 10:25:13:550AM 1080103004 Jim Irby no dpcs changes

plasma into rampdown

opening up power room and cell to check on ef1 breaker and to pull back launcher

Jan 3 2008 10:49:32:150AM 1080103005 Jim Irby Steve noted that diborane valve was being pulsed (no diborane). Switched it off.

disruption at 1.27 s

5 MW of ICRF

Jan 3 2008 11:11:38:283AM 1080103006 Jim Irby loaded from 1071220017
loaded
loaded seg 1 from 1080103005 into seg 1
nl_04 request to 8e19 from 1e20 /m^2
loaded

early disruption --- very large marfe

Earl suggests too much early gas

Jan 3 2008 11:28:34:840AM 1080103007 Jim Irby reduced seg 3 pg3 gas by at least a factor of two

turned mhd antenna drive back on (lost it for last shot since a reloaded 1071220017).

alternator not up to speed --- running no power shot

Jan 3 2008 11:41:48:943AM 1080103008 Jim Irby plasma for 1.2 s

going lower single null w/o cryopump for next shot

Jan 3 2008 12:05:26:933PM 1080103009 Jim Irby loaded from 1071218026 --- lower single null in seg 2
imported seg 1 from 1080103008 into seg 1
loaded

no plasma --- no ef3

Jan 3 2008 12:24:53:990PM 1080103010 Jim Irby reduced prefill from 32 to 22 ms --- no cryopump

plasma into rampdown --- h/(h+d) at 15%

Jan 3 2008 12:46:24:133PM 1080103012 Robert Granetz Granetz taking over for Irby as physics operator, starting with this shot.

Jan 3 2008 12:56:09:740PM 1080103012 Robert Granetz Shot 12 -- Plasma. Good shot. Ip=0.8 MA, Bt=5.4 T, lower single null.
Prf=4.0-4.1 MW (D/E/J = 1.0/1.0/2.0)
H/(H+D) = 0.10-0.20.
Note: the pre-fill gas puff is at t=-0.4 s, not -0.5. The pre-fill
pressure is also rather high.

Next shot: no PCS changes; Li pellet will be injected at t=1.4 s.

Jan 3 2008 01:07:28:563PM 1080103013 Robert Granetz Shot 13 -- Plasma. Good shot. 0.8 MA, lower null. Prf=3.4 MW; E-port faulted.
No sign of the lithium pellet.

Next shot: no DPCS changes

Jan 3 2008 01:23:10:120PM 1080103014 Robert Granetz Shot 14 -- Plasma. Disrupted at t=1.32 s due to an impurity injection (not the lithium
injector). Prf=3.4-3.8 MW; D-port faulted this time. H/(H+D)=0.10-0.19

Next shot: no DPCS changes

Jan 3 2008 01:38:32:723PM 1080103015 Robert Granetz Shot 15 -- Plasma. Disrupted at t=1.46, which is shortly after the lithium pellet comes
in. J faulted alot.

Next shot: no DPCS changes.

Jan 3 2008 01:48:06:020PM 1080103016 Robert Granetz Shot 16 -- Plasma. Disrupted due to the lithium pellet again.

Next shot: raise Ip to 1 MA, and nl_04 to 0.9e20 m-2. No lithium pellet injection.

Jan 3 2008 02:07:29:573PM 1080103017 Robert Granetz Shot 17 -- Plasma. Disrupted at t=1.14, I think due to an impurity injection. Ip=1.0 MA.

Next shot: raise nl_04 to 1.0e20 m-2. No LPI.

Jan 3 2008 02:22:10:160PM 1080103018 Robert Granetz Shot 18 -- No-power shot because we got stuck in INIT for a long time.

Next shot: go for plasma

Jan 3 2008 02:42:28:263PM 1080103018 Robert Granetz Shot 18 -- Fizzle. This was the 2nd shot 18. Possibly just a post-disruption fizzle.
Fields look good, gas looks good.

Next shot: just try again; no DPCS changes

Jan 3 2008 02:51:52:807PM 1080103019 Robert Granetz Shot 19 -- Plasma. Good shot. 1 MA, 5.4 T, 1.0e20 m-2. D faulted early; J had lots
of problems.

Next shot: No DPCS changes.

Jan 3 2008 03:03:45:723PM 1080103020 Robert Granetz Shot 20 -- Fizzle. It must be mid-afternoon.

Next shot: decrease pre-fill by 2 ms (to 20 ms)

Jan 3 2008 03:21:42:310PM 1080103021 Robert Granetz Shot 21 -- Plasma. Good shot. J is still having difficulties.

Next shot: no DPCS changes.

Jan 3 2008 03:35:36:617PM 1080103022 Robert Granetz Shot 22 -- Plasma. Good shot. All antenna systems are having their difficulties on
this shot.

Next shot: no DPCS changes

Jan 3 2008 03:55:27:780PM 1080103023 Robert Granetz Shot 23 -- Plasma. Good shot. D and E worked well; J is still faulting badly.

Next shot: raise nl_04 to 1.1e20 m-2.

Jan 3 2008 04:01:42:513PM 1080103024 Robert Granetz Shot 24 -- Plasma. Good shot. Lots of hard x-rays during the first half of the shot.
D and E are okay; J is still in trouble.

Next shot: no DPCS changes.

Jan 3 2008 04:14:33:710PM 1080103025 Robert Granetz Shot 25 -- Fizzle. Well, at least I got rid of the early runaways.

Next shot: reduce pre-fill another 2 ms (to 18 ms)

Jan 3 2008 04:27:07:503PM 1080103026 Robert Granetz Shot 26 -- Plasma. Good shot. Some runaways, but not as much as shot 24.
Awful startup.

Next shot: reduce Ip back to 0.8 MA and nl_04 back to 0.8e20 m-2. Also add
1 ms to pre-fill (to 19 ms)

Jan 3 2008 04:47:52:823PM 1080103027 Robert Granetz Shot 27 -- Plasma. Good shot. Good startup. Almost no runaways. RF is back
to 4+ MW. Looks like it really likes the lower plasma current much
better. H/(H+D) = 0.1-0.16 --> improvement!

Next shot: no DPCS changes

Jan 3 2008 04:59:13:600PM 1080103028 Robert Granetz Shot 28 -- Plasma. Good shot. Pretty good RF. Pretty bad startup.

Next shot: Try tweaking early RCUR programming to reduce outward swing at 20 ms.

Jan 3 2008 05:20:11:310PM 1080103029 Robert Granetz Shot 29 -- Plasma. Good shot. 0.8 MA. Prf=4.8 MW. H/(H+D)=0.10-0.20 (same as
the higher energy shots from earlier today). Startup is much improved,
but might still use a bit of tweaking.

The session leader had asked for 0.9 MA, but I forgot to make the change
amidst all the distractions.

End of run.

Engineering Operator Comments

Shot Time Type Status Comment

1 09:12:47:093AM Plasma Ok

2 09:31:10:663AM Plasma Ok EF1 type 1 after shot

3 09:48:34:283AM Plasma Ok

4 10:09:56:557AM Plasma Ok EF1 low phase shot

5 10:43:01:467AM Plasma Ok ef1 low phase

6 11:04:18:380AM Plasma Ok

7 11:17:21:297AM Plasma Bad Alternator speed low

8 11:32:01:057AM Plasma Ok

9 11:53:54:813AM Plasma Bad Ef3 forced shutdown at pulse

10 12:10:31:790PM Plasma Ok

11 12:23:52:817PM Plasma Ok

12 12:40:03:500PM Plasma Ok

13 12:55:42:097PM Plasma Ok

14 01:11:53:517PM Plasma Ok

15 01:25:08:777PM Plasma Ok

16 01:41:29:270PM Plasma Ok

17 01:54:23:047PM Plasma Ok

18 02:14:19:993PM Plasma Ok

19 02:45:53:137PM Plasma Ok

20 02:59:21:833PM Plasma Ok

21 03:11:38:563PM Plasma Ok

22 03:27:22:853PM Plasma Ok

23 03:42:43:850PM Plasma Ok

24 03:56:24:827PM Plasma Ok

25 04:09:25:933PM Plasma Ok

26 04:21:56:210PM Plasma Ok

27 04:35:48:640PM Plasma Ok

28 04:48:27:090PM Plasma Ok

29 05:00:52:897PM Plasma Ok

System Availability

Jan 3 2008 07:43:37:220AM

Phasing set to 90 degree current drive. This was checked and all were okay except for 9, changed from 3.2485 to 3.250, 11, changed from 3.038 to 3.040 and 22, changed from 2.5165 to 2.514.

Position was set to 1630 or 2.413 back from limiter.

We will set up and run conditioning shots today in piggyback with ICRF.

Jan 3 2008 09:12:28:627AM

System Available Comment Availability
Changed Owner Description Who Can
Change
Active MHD yes Fully operational Mar 28 2007 09:19PM (sears) Joe Snipes Active MHD Antenna sears,snipes
BES yes vertical array of six views at R ~ 87.3 cm, radial array of three views out to R ~ 89 cm, both at outboard midplane. Three discrete fiber views of beam at R ~ 70.0, 76.5 and 82.5 cm. Feb 06 2007 10:00AM (bravenec) Ron Bravenec Beam Emission Spectroscopy bravenec
Bolometers yes Diode 2pi working fine, foil 2pi being low-pass filtered to remove noise. Outboard miidplane AXUV fine. Midplane foils working fine, but need to fill tree with calibrations. 2D AXUV arrays are being digitized but need further debugging and calibration. Dec 19 2007 07:16PM (mlreinke) Matt Reinke Bolometers hutch,mlreinke
Boronization no First Boronization 5/9/07 Bottle has been removed from the cell Sep 14 2007 12:42PM (dekow) Jim Irby Boronization dekow,irby
CNPA yes Single channel CNPA available as of 12/1707 Dec 17 2007 05:48PM (parker) Ron Parker Compact Neutral Analyzer parker
Cryopump - Upper Divertor yes Cryopump is operational Dec 11 2007 10:13AM (labombard) Brian LaBombard Upper Divertor Cryopump irby,labombard
CXRS yes The pedestal toroidal array was installed, spatially and absolutely calibrated. There are 10 chords intersect the beam at the major_R_range=[74.2:86.3]cm. Spatial resolution: 1.2 cm. The F-top poloidal array was installed and spatially calibrated. There are 19 chords intersect the beam at the major_R_range=[67.8:91.0]cm. Spatial resolution: 1.22 cm. Nov 27 2007 10:21AM (bespam) Bill Rowan Charge Exchange Spectroscopy bespam,blip,rachmcd,rowan
D Alpha yes \ha2_bright and \SPECTROSCOPY::TOP.VUV.VIS_SIGNALS:MCP_VIS_SIG1 are available Nov 26 2007 04:23PM (terry) Jim Terry Balmer Alpha Monitor irby,terry,wolfe
Dalsa yes optics repaired, camera re-installed, and view has been re-calibrated Nov 27 2007 09:54AM (marmar) Earl Marmar Visible Bremsstrahlung marmar
Disruption Mitigation no Nov 20 2007 10:47PM (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 Nov 20 2007 10:47PM (granetz) Robert Granetz Diagnostic Neutral Beam beals,granetz
FRC-ECE yes Chs 17-32 working - low freq. mixer being repaired Nov 26 2007 11:41AM (phillips) Perry Phillips Heterodyne ECE-32 channels phillips
G-Side Ratiomatic yes Gauge is operational and calibrated against G-side MKS on shot#1071127002 Nov 27 2007 01:25PM (labombard) Brian LaBombard G-side ratiomatic ionization gauge labombard,toland
GPC yes Available. Jan 02 2008 12:23PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPC2 yes Most channels operational. Jan 02 2008 12:22PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPI no Neither the Xpt-view nor the midplane-view camera is operational. Nov 26 2007 04:25PM (terry) Jim Terry Gas Puff Imaging terry,zweben
H/D yes Should be operational for the FY08 campaign Nov 27 2007 09:54AM (marmar) Earl Marmar H/D Ratio marmar
Hirex Jr yes Mar 06 2007 08:59AM (rice) John Rice High Resolution X-Ray ince,rice
Hirex Sr no Be Window has a leak and so the gate valve is closed Nov 23 2007 12:50PM (ince) John Rice High Resolution X-Ray ince,rice
HXR yes Something might be wrong with channel 26; all others working fine. Mar 23 2007 10:43AM (schmidt) Ron Parker Hard X-Ray Array parker,schmidt
ICRF D-Antenna yes available (quarter-wave transformer for pre-matching) Dec 11 2007 09:01AM (ylin) Steve Wukitch D-port antenna wukitch,ylin
ICRF E-Antenna yes available (with FFT for automatical matching) Dec 11 2007 09:01AM (ylin) Steve Wukitch E-port antenna wukitch,ylin
ICRF J-Antenna yes normally in [0,pi,pi,0] phase for heating. current drive phase available if requested. Dec 11 2007 09:03AM (ylin) Steve Wukitch J-port antenna wukitch,ylin
Lower Hybrid yes Body I Fault Circuits Repaired and tested. High power tests completed Dec 05 2007 06:40PM (dterry) Ron Parker Lower Hybrid dterry,parker
LPI no Oct 12 2007 12:41PM (bose) Earl Marmar Lithium Pellet Injector bose,marmar
Ly-alpha yes Midplane working fine, emissivity profiles being stored in tree, but still need to apply in-vessel calibrations to data. WB1-LY being digitized, but not processed in tree. Dec 09 2007 06:53PM (mlreinke) Matt Reinke Lyman alpha cameras labombard,mlreinke
McPherson yes Working fine. Nov 29 2007 01:36PM (mlreinke) Jim Terry VUV Spectrometer mlreinke,terry
Michelson yes Working, moderate speed for now. Jan 02 2008 01:19PM (hubbard) Amanda Hubbard ECE Te Profiles hubbard,schmidt
MKS yes E-Top, E-Bottom, F-top (cryo), G-side, and B-bottom are operational. F-top gauge has a 'sniffer tube' to measure pressures in cryopump gas box. Mar 20 2007 06:42PM (g) Brian LaBombard Baratron pressure gauges labombard
MLP no Initial tests on the A-port scanning probe went well. We need to take care of some control glitches that caused some component failures. May 30 2007 08:01PM (labombard) Brian LaBombard Mirror Langmuir Probe Electronics System labombard
MSE no We are basically awaiting the DNB & its new aperture. MSE itself is OK. Two of 10 channels are dead. Nov 20 2007 08:26PM (sscott) Steve Scott Motional Stark Effect jinseok,sscott
Neutrons yes Voltage is on for the He3 bank. Voltage will be turned on for the global system at the first plasma attempts. Nov 26 2007 08:31AM (fiore) Catherine Fiore Neutron Detectors fiore
Neuts and Hards yes calibration unchanged from 2007 campaign Dec 04 2007 08:56PM (irby) Jim Irby X-Ray/Neutron Detector at K-Hor irby
NINJA yes All capillaries displayed by the NINJA_CONTROL GUI have been tested. Nov 26 2007 04:26PM (terry) Brian LaBombard NINJA gas puff labombard,terry
PCI no Both CO2 and HeNe Lasers are disabled----- safe for machine entry. Sep 14 2007 03:21PM (lianglin) Miklos Porkolab Phase Contrast Imaging edlund,lianglin,ntsujii,porkolab
Penning Gauges yes All gauges except B_DivL are operating Nov 27 2007 01:31PM (labombard) Brian LaBombard Penning Ionization Gauges labombard
Plasma TV yes WIDE1, WIDE2 (chan 33), DANT, JANT and DIV are operational. Nov 26 2007 04:27PM (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
Probe Array - ISD yes Operational Nov 27 2007 01:40PM (labombard) Brian Labombard Inner Lower Divertor Probe Array labombard
Probe Array - LH yes Operational Nov 27 2007 01:40PM (labombard) Brian LaBombard Lower Hybrid Probe Array labombard
Probe Array - OSD yes Operational Nov 27 2007 01:41PM (labombard) Brian LaBombard Outer Lower Divertor Probe Array labombard
Probe Array - UDIV yes Operational Nov 27 2007 01:41PM (labombard) Brian LaBombard Upper Divertor Probe Array labombard
Reflectometer yes 50, 60, 75 and 88GHz channels are connected and being tested for the campaign Dec 18 2007 10:28AM (dominguez) Earl Marmar Reflectometer dominguez,marmar
Scanning Probe - ASP yes Operational, but needs to be checked with plasma. Nov 27 2007 01:45PM (labombard) Brian LaBombard A-Port Scanning Probe labombard
Scanning Probe - FSP yes FSP is operational Dec 11 2007 10:13AM (labombard) Brian LaBombard F-Port Scanning Probe labombard
Scanning Probe - WASP yes A- and K-port WASP electrodes have been replaced/tested. Nov 27 2007 01:44PM (labombard) Brian LaBombard Inner Wall Scanning Probe labombard,nsmick
TCI yes CO2 Laser is on --- initial alignment complete Nov 16 2007 01:23PM (irby) Jim Irby Two-Color Interferometer irby,murray
TS - Core yes 8 polychromators, 1 laser. Density is uncalibrated. Jan 03 2008 08:31AM (jwhughes) Jerry Hughes Core Thomson scattering jwhughes,yma
TS - Edge no Fibers will be installed soon. Jan 03 2008 08:31AM (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
XTOMO yes Data being collected in digitizers and SIGNALS nodes updated. Still playing switch-a-roo with cPCI digitizers, but data should be available. Dec 19 2007 07:14PM (mlreinke) Bob Granetz X-Ray Tomography granetz,mlreinke

Jan 3 2008 09:48:17:500AM

System Available Comment Availability
Changed Owner Description Who Can
Change
Active MHD yes Fully operational Mar 28 2007 09:19PM (sears) Joe Snipes Active MHD Antenna sears,snipes
BES yes vertical array of six views at R ~ 87.3 cm, radial array of three views out to R ~ 89 cm, both at outboard midplane. Three discrete fiber views of beam at R ~ 70.0, 76.5 and 82.5 cm. Feb 06 2007 10:00AM (bravenec) Ron Bravenec Beam Emission Spectroscopy bravenec
Bolometers yes Diode 2pi working fine, foil 2pi being low-pass filtered to remove noise. Outboard miidplane AXUV fine. Midplane foils working fine, but need to fill tree with calibrations. 2D AXUV arrays are being digitized but need further debugging and calibration. Dec 19 2007 07:16PM (mlreinke) Matt Reinke Bolometers hutch,mlreinke
Boronization no First Boronization 5/9/07 Bottle has been removed from the cell Sep 14 2007 12:42PM (dekow) Jim Irby Boronization dekow,irby
CNPA yes Single channel CNPA available as of 12/1707 Dec 17 2007 05:48PM (parker) Ron Parker Compact Neutral Analyzer parker
Cryopump - Upper Divertor yes Cryopump is operational Dec 11 2007 10:13AM (labombard) Brian LaBombard Upper Divertor Cryopump irby,labombard
CXRS yes The pedestal toroidal array was installed, spatially and absolutely calibrated. There are 10 chords intersect the beam at the major_R_range=[74.2:86.3]cm. Spatial resolution: 1.2 cm. The F-top poloidal array was installed and spatially calibrated. There are 19 chords intersect the beam at the major_R_range=[67.8:91.0]cm. Spatial resolution: 1.22 cm. Nov 27 2007 10:21AM (bespam) Bill Rowan Charge Exchange Spectroscopy bespam,blip,rachmcd,rowan
D Alpha yes \ha2_bright and \SPECTROSCOPY::TOP.VUV.VIS_SIGNALS:MCP_VIS_SIG1 are available Nov 26 2007 04:23PM (terry) Jim Terry Balmer Alpha Monitor irby,terry,wolfe
Dalsa yes optics repaired, camera re-installed, and view has been re-calibrated Nov 27 2007 09:54AM (marmar) Earl Marmar Visible Bremsstrahlung marmar
Disruption Mitigation no Nov 20 2007 10:47PM (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 Nov 20 2007 10:47PM (granetz) Robert Granetz Diagnostic Neutral Beam beals,granetz
FRC-ECE yes Chs 17-32 working - low freq. mixer being repaired Nov 26 2007 11:41AM (phillips) Perry Phillips Heterodyne ECE-32 channels phillips
G-Side Ratiomatic yes Gauge is operational and calibrated against G-side MKS on shot#1071127002 Nov 27 2007 01:25PM (labombard) Brian LaBombard G-side ratiomatic ionization gauge labombard,toland
GPC yes All 9 channels operational as of new year. Jan 03 2008 09:31AM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPC2 yes Most channels operational. Jan 02 2008 12:22PM (hubbard) Amanda Hubbard ECE Polychromater hubbard,schmidt
GPI no Neither the Xpt-view nor the midplane-view camera is operational. Nov 26 2007 04:25PM (terry) Jim Terry Gas Puff Imaging terry,zweben
H/D yes Should be operational for the FY08 campaign Nov 27 2007 09:54AM (marmar) Earl Marmar H/D Ratio marmar
Hirex Jr yes Mar 06 2007 08:59AM (rice) John Rice High Resolution X-Ray ince,rice
Hirex Sr no Be Window has a leak and so the gate valve is closed Nov 23 2007 12:50PM (ince) John Rice High Resolution X-Ray ince,rice
HXR yes Something might be wrong with channel 26; all others working fine. Mar 23 2007 10:43AM (schmidt) Ron Parker Hard X-Ray Array parker,schmidt
ICRF D-Antenna yes available (quarter-wave transformer for pre-matching) Dec 11 2007 09:01AM (ylin) Steve Wukitch D-port antenna wukitch,ylin
ICRF E-Antenna yes available (with FFT for automatical matching) Dec 11 2007 09:01AM (ylin) Steve Wukitch E-port antenna wukitch,ylin
ICRF J-Antenna yes normally in [0,pi,pi,0] phase for heating. current drive phase available if requested. Dec 11 2007 09:03AM (ylin) Steve Wukitch J-port antenna wukitch,ylin
Lower Hybrid yes Body I Fault Circuits Repaired and tested. High power tests completed Dec 05 2007 06:40PM (dterry) Ron Parker Lower Hybrid dterry,parker
LPI no Oct 12 2007 12:41PM (bose) Earl Marmar Lithium Pellet Injector bose,marmar
Ly-alpha yes Midplane working fine, emissivity profiles being stored in tree, but still need to apply in-vessel calibrations to data. WB1-LY being digitized, but not processed in tree. Dec 09 2007 06:53PM (mlreinke) Matt Reinke Lyman alpha cameras labombard,mlreinke
McPherson yes Working fine. Nov 29 2007 01:36PM (mlreinke) Jim Terry VUV Spectrometer mlreinke,terry
Michelson yes Working, moderate speed for now. Jan 02 2008 01:19PM (hubbard) Amanda Hubbard ECE Te Profiles hubbard,schmidt
MKS yes E-Top, E-Bottom, F-top (cryo), G-side, and B-bottom are operational. F-top gauge has a 'sniffer tube' to measure pressures in cryopump gas box. Mar 20 2007 06:42PM (g) Brian LaBombard Baratron pressure gauges labombard
MLP no Initial tests on the A-port scanning probe went well. We need to take care of some control glitches that caused some component failures. May 30 2007 08:01PM (labombard) Brian LaBombard Mirror Langmuir Probe Electronics System labombard
MSE no We are basically awaiting the DNB & its new aperture. MSE itself is OK. Two of 10 channels are dead. Nov 20 2007 08:26PM (sscott) Steve Scott Motional Stark Effect jinseok,sscott
Neutrons yes Voltage is on for the He3 bank. Voltage will be turned on for the global system at the first plasma attempts. Nov 26 2007 08:31AM (fiore) Catherine Fiore Neutron Detectors fiore
Neuts and Hards yes calibration unchanged from 2007 campaign Dec 04 2007 08:56PM (irby) Jim Irby X-Ray/Neutron Detector at K-Hor irby
NINJA yes All capillaries displayed by the NINJA_CONTROL GUI have been tested. Nov 26 2007 04:26PM (terry) Brian LaBombard NINJA gas puff labombard,terry
PCI no Both CO2 and HeNe Lasers are disabled----- safe for machine entry. Sep 14 2007 03:21PM (lianglin) Miklos Porkolab Phase Contrast Imaging edlund,lianglin,ntsujii,porkolab
Penning Gauges yes All gauges except B_DivL are operating Nov 27 2007 01:31PM (labombard) Brian LaBombard Penning Ionization Gauges labombard
Plasma TV yes WIDE1, WIDE2 (chan 33), DANT, JANT and DIV are operational. Nov 26 2007 04:27PM (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
Probe Array - ISD yes Operational Nov 27 2007 01:40PM (labombard) Brian Labombard Inner Lower Divertor Probe Array labombard
Probe Array - LH yes Operational Nov 27 2007 01:40PM (labombard) Brian LaBombard Lower Hybrid Probe Array labombard
Probe Array - OSD yes Operational Nov 27 2007 01:41PM (labombard) Brian LaBombard Outer Lower Divertor Probe Array labombard
Probe Array - UDIV yes Operational Nov 27 2007 01:41PM (labombard) Brian LaBombard Upper Divertor Probe Array labombard
Reflectometer yes 50, 60, 75 and 88GHz channels are connected and being tested for the campaign Dec 18 2007 10:28AM (dominguez) Earl Marmar Reflectometer dominguez,marmar
Scanning Probe - ASP yes Operational, but needs to be checked with plasma. Nov 27 2007 01:45PM (labombard) Brian LaBombard A-Port Scanning Probe labombard
Scanning Probe - FSP yes FSP is operational Dec 11 2007 10:13AM (labombard) Brian LaBombard F-Port Scanning Probe labombard
Scanning Probe - WASP yes A- and K-port WASP electrodes have been replaced/tested. Nov 27 2007 01:44PM (labombard) Brian LaBombard Inner Wall Scanning Probe labombard,nsmick
TCI yes CO2 Laser is on --- initial alignment complete Nov 16 2007 01:23PM (irby) Jim Irby Two-Color Interferometer irby,murray
TS - Core yes 8 polychromators, 1 laser. Density is uncalibrated. Jan 03 2008 08:31AM (jwhughes) Jerry Hughes Core Thomson scattering jwhughes,yma
TS - Edge no Fibers will be installed soon. Jan 03 2008 08:31AM (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
XTOMO yes Data being collected in digitizers and SIGNALS nodes updated. Still playing switch-a-roo with cPCI digitizers, but data should be available. Dec 19 2007 07:14PM (mlreinke) Bob Granetz X-Ray Tomography granetz,mlreinke

Session Leader Comments
Jan 3 2008 09:29:54:900AM	1080103001	Steve Wukitch	001 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.5 cm. L-mode during RF. D: ran 1 MW (0.66 MJ) E: ran 1 MW (0.73 MJ) 1 fault J: ran 2 MW (1.47 MJ) 3 faults next: raise D, E, and J power
Jan 3 2008 09:52:02:190AM	1080103002	Steve Wukitch	002 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, USN, gap 1.1 cm. L-mode during RF. D: ran 1.25 MW (0.89 MJ) 1 fault E: ran 1.25 MW (0.87 MJ) 3 faults J: ran 2.5 MW (1 MJ) many faults next: raise D and E cryo ready
Jan 3 2008 10:09:29:840AM	1080103003	Steve Wukitch	003 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, USN, gap 1.6 cm. L-mode during RF. D: ran 1.5 MW (0.89 MJ) 1 fault E: ran 1.5 MW (0.87 MJ) 3 faults J: ran 2.5 MW (1 MJ) many faults note: tube arc on #3 after the pulse some brief H-modes that result in antenna trips disruption - injection from LH launcher next: lower D and E
Jan 3 2008 10:32:23:657AM	1080103004	Steve Wukitch	004 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.6 cm. L-mode during RF. D: ran 1.25 MW (0.93 MJ) E: ran 1.25 MW (0.93 MJ) J: ran 2.5 MW (1.2 MJ) 15 faults note: LH still glowing - time to move it back
Jan 3 2008 10:57:48:773AM	1080103005	Steve Wukitch	005 5.4 T, 0.8 MA, nl04=0.7e20 /m^2, USN, gap 1.6 cm. L-mode during RF. D: ran 1.25 MW (0.63 MJ) 1 fault E: ran 1.25 MW (0.65 MJ) no fault J: ran 2.5 MW (1.4 MJ) 1 fault next: lower upper triangularity to 0.42 as in 107122017
Jan 3 2008 11:07:13:533AM	1080103006	Steve Wukitch	early disruption
Jan 3 2008 11:34:05:493AM	1080103007	Steve Wukitch	no power
Jan 3 2008 11:43:38:787AM	1080103008	Steve Wukitch	008 5.4 T, 0.8 MA, nl04=0.9e20 /m^2, USN, gap 1.8 cm. L-mode during RF. D: ran 1.25 MW (0.63 MJ) 9 faults E: ran 1.25 MW (0.65 MJ) 2 faults J: ran 2.5 MW (1.4 MJ) 7 fault next: changed to LSN to avoid disruptions long ramps on RF power to start things off
Jan 3 2008 11:57:23:203AM	1080103009	Steve Wukitch	fizzle
Jan 3 2008 12:26:26:490PM	1080103010	Steve Wukitch	010 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. L-mode during RF. D: ran 1.25 MW (0.49 MJ) 9 faults E: ran 1.25 MW (0.71 MJ) 3 faults J: ran 2.5 MW (0.8 MJ) many fault next: repeat
Jan 3 2008 12:33:45:813PM	1080103011	Steve Wukitch	011 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. L-mode during RF. D: ran 1.25 MW (0.82 MJ) 3 faults E: ran 1.25 MW (0.87 MJ) 2 faults J: ran 2.5 MW (0.8 MJ) many faults next: repeat
Jan 3 2008 12:48:04:777PM	1080103012	Steve Wukitch	012 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. L-mode during RF. D: ran 1.25 MW (0.75 MJ) 3 faults E: ran 1.25 MW (0.84 MJ) J: ran 2 MW (1.3 MJ) 5 faults next: repeat; pellet at 1.4 s
Jan 3 2008 01:05:44:487PM	1080103013	Steve Wukitch	013 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. H-modes during RF. D: ran 1.25 MW (0.78 MJ) 2 faults E: program issue (control code change went wrong) J: ran 2.4 MW (1.4 MJ) 7 faults note: no pellet next: repeat; pellet at 1.4 s
Jan 3 2008 01:21:55:857PM	1080103014	Steve Wukitch	014 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm. H-modes during RF. D: max faults E: ran 1.25 MW (0.68 MJ) 2 faults J: ran 2.4 MW (1.2 MJ) 6 faults note: disruption at 1.3 s next: repeat w/o disruption; pellet at 1.4 s
Jan 3 2008 01:33:36:350PM	1080103015	Steve Wukitch	015 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm. in and out of H-modes during RF. D: ran 1.5 MW (0.9 MJ) 9 faults E: ran 1.25 MW (0.74 MJ) 7 faults J: ran 3 MW (1.1 MJ) many faults note: discharge did not survive pellet next: repeat
Jan 3 2008 01:49:49:893PM	1080103016	Steve Wukitch	016 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1 cm. in and out of H-modes during RF. D: ran 1.5 MW (0.9 MJ) 6 faults E: ran 1.25 MW (0.79 MJ) 4 faults J: ran 3 MW (1.1 MJ) many faults next: increase Ip->1 MA, nl04->0.9
Jan 3 2008 02:06:13:900PM	1080103017	Steve Wukitch	017 5.4 T, 1 MA, nl04=0.9e20 /m^2, LSN, gap 1 cm. in and out of H-modes during RF. D: ran 1.5 MW (0.41 MJ) 9 faults E: ran 1.25 MW (0.46 MJ) J: ran 3 MW (0.6 MJ) 9 faults note: disruption at ~1.14 s next: increase nl04->1
Jan 3 2008 02:39:02:217PM	1080103018	Steve Wukitch	fizzle
Jan 3 2008 02:53:39:413PM	1080103019	Steve Wukitch	019 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: max faults E: ran 1.25 MW (0.9 MJ) 1 fault J: ran 3 MW (0.9 MJ) many faults next: repeat with lower D and more steps in J
Jan 3 2008 03:03:22:847PM	1080103020	Steve Wukitch	fizzle
Jan 3 2008 03:33:08:320PM	1080103021	Steve Wukitch	021 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.3) 9 faults E: ran 1.25 MW (0.38 MJ) 9 faults J: ran 3 MW (0.7 MJ) many faults next: repeat
Jan 3 2008 03:34:07:260PM	1080103022	Steve Wukitch	022 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.3) 9 faults E: fft fault J: ran 3 MW (0.6 MJ) many faults next: repeat
Jan 3 2008 03:57:50:360PM	1080103023	Steve Wukitch	023 5.4 T, 1 MA, nl04=1e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.86 MJ) 4 faults E: ran 1.25 MW (0.9 MJ) J: ran 3 MW (1 MJ) many faults next: increase nl04 target to 1.1
Jan 3 2008 04:11:46:430PM	1080103025	Steve Wukitch	fizzle
Jan 3 2008 04:28:26:033PM	1080103026	Steve Wukitch	026 5.4 T, 1 MA, nl04=1.1e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: max faults E: ran 1.25 MW (0.9 MJ) J: ran 2 MW (1 MJ) many faults next: Ip->0.8 MA, nl04->0.8
Jan 3 2008 05:01:03:007PM	1080103027	Steve Wukitch	027 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.9 MJ) 2 faults E: ran 1.25 MW (0.9 MJ) 2 faults J: ran 2 MW (1.3 MJ) 8 faults next: Ip->0.9 MA
Jan 4 2008 09:22:22:613AM	1080103028	Steve Wukitch	028 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.9 MJ) 1 faults E: ran 1.25 MW (0.9 MJ) 2 faults J: ran 2 MW (1.5 MJ) 8 faults next: Ip->0.9 MA
Jan 4 2008 09:19:47:410AM	1080103029	Steve Wukitch	029 5.4 T, 0.8 MA, nl04=0.8e20 /m^2, LSN, gap 1.1 cm. in and out of H-modes during RF. D: ran 1.25 MW (0.9 MJ) E: ran 1.25 MW (0.9 MJ) J: ran 2 MW (1.5 MJ) 8 faults

Physics Operator Comments
Jan 3 2008 08:36:09:890AM		Jim Irby	loaded from 1071218019 --- 800 kA, 8e19/m^2, upper null discharge in seg 3 loaded reduced prepuff from 31 to 22 ms loaded Watch BP-25 --- it caused trouble during 1071221 run. It was zapped the following week.
Jan 3 2008 10:54:29:977AM	1080103001	Jim Irby	prepuff to 32 ms --- cryopump is running --- puff starts at -0.4 s not -0.5 s loaded rga pc undergoing a reboot --- standard transfer error basepressure 2.3e-8 Torr after cryopump cooldown n2 burst rga back online --- trends okay plasma into rampdown bz0 is considerably more negative than on startup shot, but Steve finds nothing wrong with loops. beautiful rf pulse to 4 MW twopi at about 800 kW (fudge=1) 90 kJ
Jan 3 2008 09:45:54:410AM	1080103002	Jim Irby	LH will run between 1.3 and 1.5 s no dpcs changes plasma into rampdown
Jan 3 2008 10:04:39:073AM	1080103003	Jim Irby	no dpcs changes disruption at 1.46 s --- Greg notes grill glow Steve has requested we shut down LH for the rest of today.
Jan 3 2008 10:25:13:550AM	1080103004	Jim Irby	no dpcs changes plasma into rampdown opening up power room and cell to check on ef1 breaker and to pull back launcher
Jan 3 2008 10:49:32:150AM	1080103005	Jim Irby	Steve noted that diborane valve was being pulsed (no diborane). Switched it off. disruption at 1.27 s 5 MW of ICRF
Jan 3 2008 11:11:38:283AM	1080103006	Jim Irby	loaded from 1071220017 loaded loaded seg 1 from 1080103005 into seg 1 nl_04 request to 8e19 from 1e20 /m^2 loaded early disruption --- very large marfe Earl suggests too much early gas
Jan 3 2008 11:28:34:840AM	1080103007	Jim Irby	reduced seg 3 pg3 gas by at least a factor of two turned mhd antenna drive back on (lost it for last shot since a reloaded 1071220017). alternator not up to speed --- running no power shot
Jan 3 2008 11:41:48:943AM	1080103008	Jim Irby	plasma for 1.2 s going lower single null w/o cryopump for next shot
Jan 3 2008 12:05:26:933PM	1080103009	Jim Irby	loaded from 1071218026 --- lower single null in seg 2 imported seg 1 from 1080103008 into seg 1 loaded no plasma --- no ef3
Jan 3 2008 12:24:53:990PM	1080103010	Jim Irby	reduced prefill from 32 to 22 ms --- no cryopump plasma into rampdown --- h/(h+d) at 15%
Jan 3 2008 12:46:24:133PM	1080103012	Robert Granetz	Granetz taking over for Irby as physics operator, starting with this shot.
Jan 3 2008 12:56:09:740PM	1080103012	Robert Granetz	Shot 12 -- Plasma. Good shot. Ip=0.8 MA, Bt=5.4 T, lower single null. Prf=4.0-4.1 MW (D/E/J = 1.0/1.0/2.0) H/(H+D) = 0.10-0.20. Note: the pre-fill gas puff is at t=-0.4 s, not -0.5. The pre-fill pressure is also rather high. Next shot: no PCS changes; Li pellet will be injected at t=1.4 s.
Jan 3 2008 01:07:28:563PM	1080103013	Robert Granetz	Shot 13 -- Plasma. Good shot. 0.8 MA, lower null. Prf=3.4 MW; E-port faulted. No sign of the lithium pellet. Next shot: no DPCS changes
Jan 3 2008 01:23:10:120PM	1080103014	Robert Granetz	Shot 14 -- Plasma. Disrupted at t=1.32 s due to an impurity injection (not the lithium injector). Prf=3.4-3.8 MW; D-port faulted this time. H/(H+D)=0.10-0.19 Next shot: no DPCS changes
Jan 3 2008 01:38:32:723PM	1080103015	Robert Granetz	Shot 15 -- Plasma. Disrupted at t=1.46, which is shortly after the lithium pellet comes in. J faulted alot. Next shot: no DPCS changes.
Jan 3 2008 01:48:06:020PM	1080103016	Robert Granetz	Shot 16 -- Plasma. Disrupted due to the lithium pellet again. Next shot: raise Ip to 1 MA, and nl_04 to 0.9e20 m-2. No lithium pellet injection.
Jan 3 2008 02:07:29:573PM	1080103017	Robert Granetz	Shot 17 -- Plasma. Disrupted at t=1.14, I think due to an impurity injection. Ip=1.0 MA. Next shot: raise nl_04 to 1.0e20 m-2. No LPI.
Jan 3 2008 02:22:10:160PM	1080103018	Robert Granetz	Shot 18 -- No-power shot because we got stuck in INIT for a long time. Next shot: go for plasma
Jan 3 2008 02:42:28:263PM	1080103018	Robert Granetz	Shot 18 -- Fizzle. This was the 2nd shot 18. Possibly just a post-disruption fizzle. Fields look good, gas looks good. Next shot: just try again; no DPCS changes
Jan 3 2008 02:51:52:807PM	1080103019	Robert Granetz	Shot 19 -- Plasma. Good shot. 1 MA, 5.4 T, 1.0e20 m-2. D faulted early; J had lots of problems. Next shot: No DPCS changes.
Jan 3 2008 03:03:45:723PM	1080103020	Robert Granetz	Shot 20 -- Fizzle. It must be mid-afternoon. Next shot: decrease pre-fill by 2 ms (to 20 ms)
Jan 3 2008 03:21:42:310PM	1080103021	Robert Granetz	Shot 21 -- Plasma. Good shot. J is still having difficulties. Next shot: no DPCS changes.
Jan 3 2008 03:35:36:617PM	1080103022	Robert Granetz	Shot 22 -- Plasma. Good shot. All antenna systems are having their difficulties on this shot. Next shot: no DPCS changes
Jan 3 2008 03:55:27:780PM	1080103023	Robert Granetz	Shot 23 -- Plasma. Good shot. D and E worked well; J is still faulting badly. Next shot: raise nl_04 to 1.1e20 m-2.
Jan 3 2008 04:01:42:513PM	1080103024	Robert Granetz	Shot 24 -- Plasma. Good shot. Lots of hard x-rays during the first half of the shot. D and E are okay; J is still in trouble. Next shot: no DPCS changes.
Jan 3 2008 04:14:33:710PM	1080103025	Robert Granetz	Shot 25 -- Fizzle. Well, at least I got rid of the early runaways. Next shot: reduce pre-fill another 2 ms (to 18 ms)
Jan 3 2008 04:27:07:503PM	1080103026	Robert Granetz	Shot 26 -- Plasma. Good shot. Some runaways, but not as much as shot 24. Awful startup. Next shot: reduce Ip back to 0.8 MA and nl_04 back to 0.8e20 m-2. Also add 1 ms to pre-fill (to 19 ms)
Jan 3 2008 04:47:52:823PM	1080103027	Robert Granetz	Shot 27 -- Plasma. Good shot. Good startup. Almost no runaways. RF is back to 4+ MW. Looks like it really likes the lower plasma current much better. H/(H+D) = 0.1-0.16 --> improvement! Next shot: no DPCS changes
Jan 3 2008 04:59:13:600PM	1080103028	Robert Granetz	Shot 28 -- Plasma. Good shot. Pretty good RF. Pretty bad startup. Next shot: Try tweaking early RCUR programming to reduce outward swing at 20 ms.
Jan 3 2008 05:20:11:310PM	1080103029	Robert Granetz	Shot 29 -- Plasma. Good shot. 0.8 MA. Prf=4.8 MW. H/(H+D)=0.10-0.20 (same as the higher energy shots from earlier today). Startup is much improved, but might still use a bit of tweaking. The session leader had asked for 0.9 MA, but I forgot to make the change amidst all the distractions. End of run.

Engineering Operator Comments
Shot	Time	Type	Status	Comment
1	09:12:47:093AM	Plasma	Ok
2	09:31:10:663AM	Plasma	Ok	EF1 type 1 after shot
3	09:48:34:283AM	Plasma	Ok
4	10:09:56:557AM	Plasma	Ok	EF1 low phase shot
5	10:43:01:467AM	Plasma	Ok	ef1 low phase
6	11:04:18:380AM	Plasma	Ok
7	11:17:21:297AM	Plasma	Bad	Alternator speed low
8	11:32:01:057AM	Plasma	Ok
9	11:53:54:813AM	Plasma	Bad	Ef3 forced shutdown at pulse
10	12:10:31:790PM	Plasma	Ok
11	12:23:52:817PM	Plasma	Ok
12	12:40:03:500PM	Plasma	Ok
13	12:55:42:097PM	Plasma	Ok
14	01:11:53:517PM	Plasma	Ok
15	01:25:08:777PM	Plasma	Ok
16	01:41:29:270PM	Plasma	Ok
17	01:54:23:047PM	Plasma	Ok
18	02:14:19:993PM	Plasma	Ok
19	02:45:53:137PM	Plasma	Ok
20	02:59:21:833PM	Plasma	Ok
21	03:11:38:563PM	Plasma	Ok
22	03:27:22:853PM	Plasma	Ok
23	03:42:43:850PM	Plasma	Ok
24	03:56:24:827PM	Plasma	Ok
25	04:09:25:933PM	Plasma	Ok
26	04:21:56:210PM	Plasma	Ok
27	04:35:48:640PM	Plasma	Ok
28	04:48:27:090PM	Plasma	Ok
29	05:00:52:897PM	Plasma	Ok