Miniproposals

Miniproposal: 553 Date Filed: 4/30/2008 Title: Creation of revearsed sheer current profile using LH on low Ip plasmas First Author: Syunichi Shiraiwa Session Leader: Syunichi Shiraiwa (shots 1-26)

Engineering Operator Run Comment

MP 553: Creation of revearsed sheer current profile using LH on

Session Leader Plans

Entered: May 18 2012 08:58:02:520AM

Author: Syunichi Shiraiwa

SL plan for 5/18 MP 553 Creation of revearsed sheer current profile using LH on low Ip plasmas A main goal is to reproduce the previous full-NI RS plasmas and to measure pitch angles with finer resolution + more reliable calibration. First half will be low density experiment where LH performs well. LH launcher conditioning has not yet completely done, and we expect the first 5-10 shots are required to reach a required LH power and pulse length. We will change phasing, Ip to see the variation on MSE. We also change scan Bt to see the effect on LH reflectmeter baseline. In the second half, the density will be ramp-up from 0.5-1.0e20 and do some exploratory experiment. Low density 1) reproduce target discharge (1101119017) 5-10 shots Ip (500kA) ne (0.5), pulse lengths will be based on this LH starts from 400kW for 1s. Gradually increase LH power using 0.5s pulse 500kA, Phasing 90deg. ne_ave=0.5e20, LH=0.8-1MW LH pulse length 0.5 - 1s test CaF2 injection for a few plasmas. 1-a) Different phasing (75, 105 deg) 3-4 shots 2) Scan plasma current (300, 700, 900kA) max 5 shots 3a) Try 7T for comparison (2 shots) this is to see if the baseline of LH reflectometer can be reduced... 3b) (low priority)Transient Ip ramp/down 5 shots With Density ramp-up (0.5e20 to 1e20 for 1s) 4) Lower field (4T, 3T) - 3 shots 5) Limited discharge/Upper-Lower single null 3 shots

Physics Operators Plans

Entered: May 17 2012 12:10:31:877PM

Author: Ron Parker

--------------------------------- Engineering Setup for run 1120518 --------------------------------- Run begins at 09:00 and ends at 17:00 MP553: Creating reversed shear plasmas SL: Syun'ichi Shiraiwa PO: Ron Parker Power systems as on: 1120517010 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 gate-valves and shutters: ECE, VUV, HiREX Sr, Xeus/LoWEUS Leave z-bolo shutter as is (should be open) Torvac gatevalve toggle (yes/no): no Boronization(yes/no): no Overnight ECDC (yes/no): yes ICRF(yes/no): no LH(yes/no): yes Cryopump (yes/no): no DNB (yes/no): yes, if available Vessel temperature: 35/35/35 ------------------------------ ECDC Parameters (if requested) ------------------------------ gas and pressure: D2 at 2e-4 Torr sweep: 44/45/103 cm scan: 20/120 s

Session Leader Summaries

Entered: May 21 2012 08:27:32:827AM

Author: Syunichi Shiraiwa

SL summary 2012/05/18 MP 553 Creation of revearsed sheer current profile using LH on low Ip plasmas PO: R. Parker SL: S. Shiraiwa The experiment started smoothly, but after a few discharges, the condition of DNB turns out to be worse than originally reported and we decided not to use DNB and consequently MSE. First step was LH conditioning and to reproduce full NI plasmas we obtained in 1101019 and 1101119 with longer LH pulse.Since MSE was not available we decided to condition LH more carefully. Plasma current and density are mostly fixed at 500kA and 0.3-0.4e20, and the conditioning went well quite smoothly (no 12 trip, 5 one trip among 21 attempts). It reached to 800kW with 0.75 s at shot #25 Although one of the main attempt of this MP was not possible, we got very close to what we obtained in the past in terms of LHCD, and also we observed a couple of interesting MHD activities. As the power increase, we first observed an coherent fluctuation in PCI, soft-Xray signals (shot 10). (Is this the same as what David observed before? I do not remember if we observed this in PCI, but I may be wrong...) In shot 16, a stable LHCD with Vloop = 0.16V was obtained. However, after this shot, we started to get an MHD activity triggered during LH pulse, which degrade LHCD efficiency. Shot 23 is most clear example. The mode seems to be widely spread in an inner part of the core region, and the frequency is low 5-10kHz. Shot 21-24 was dedicated for Bt field scan to see its effect on the baseline of LH reflectometer signal. It appears the baseline is not sensitive to this.

Physics Operator Summaries

Entered: May 18 2012 05:07:47:460PM

Author: Ron Parker

Run went very well for the first 16 shots, with no fizzles and only one dud due to a failure in the EF3 supply (shot 2). But beginning with shot 17 we developed into the "every other shot mode", and early runaways began to be a problem. In fact, shot 22 shut down due to the runaway protection shutdown.Tuning the early prefill did not seem to have much effect, neither on the fizzles nor on the runawys. Neverhteless, lower hybrid ran quite well, with pulses of 0.75 ms, power levels up to 800 kW with few if any trips.It is clear that forming a stable current profile with LHCD is a challenge. Scorecard: 26 plasma attempts, 22 fulllength shots, one dud (due to PS failure), 2 fizzles and 1 runaway shutdown.

Session Leader Comments
May 18 2012 09:32:13:800AM	1120518001	Syunichi Shiraiwa	start from 1120516012 changes Ip to 500kA start LH at 0.75s DNB start at 0.67s (60ms on 40ms off good shot, LH no fault. 500kW, Vloop=0.5 Next, increase LH pulse
May 18 2012 09:41:27:603AM	1120518002	Syunichi Shiraiwa	No plasma. EF2, EF3 looks differet during start-up
May 18 2012 09:53:29:640AM	1120518003	Syunichi Shiraiwa	good shot Next: increase LH power
May 18 2012 12:17:56:917PM	1120518007	Syunichi Shiraiwa	Good shot. Sawtooth stabilized. Vloop = 0.38V Smaill spot on LH PCI shows fluctuaitons after ST suppression Next: increase outer gap by 2mm
May 18 2012 12:16:39:937PM	1120518009	Syunichi Shiraiwa	LH goes well Next: increase LH power
May 18 2012 12:34:31:217PM	1120518010	Syunichi Shiraiwa	LH stays on 90deg between 0.75-1.25 and 75deg is 1.25-1.5 PCI, XTOMO5 ch20 is showing a coherent activity during LH
May 18 2012 12:48:14:490PM	1120518011	Syunichi Shiraiwa	LH phase scan 90, 75, 60
May 18 2012 12:51:47:410PM	1120518011	Syunichi Shiraiwa	LH phase scan 90, 75, 60 No bright spot on LH2
May 18 2012 01:25:02:527PM	1120518012	Syunichi Shiraiwa	Vloop touches 0V Next: increase LH XTOMO5 shows larger fluctuation, but no pci except for ch32
May 18 2012 01:34:24:860PM	1120518013	Syunichi Shiraiwa	Instability starts aroutn 0.95s Frequency is low. ~5kHz Next: phasing to 90 deg
May 18 2012 01:47:43:730PM	1120518014	Syunichi Shiraiwa	two trips in LH
May 18 2012 02:01:45:900PM	1120518015	Syunichi Shiraiwa	One trip in LH. Density is higher. about 0.4 not 0.3
May 18 2012 02:27:03:827PM	1120518016	Syunichi Shiraiwa	no trip in LH. Next we will increase the power and close Ar puf to control the density low....
May 18 2012 03:05:26:920PM	1120518019	Syunichi Shiraiwa	Fizzle
May 18 2012 03:30:06:277PM	1120518020	Syunichi Shiraiwa	Two trips in LH No large fluctuation in non-thermal ECE Vloop = 0.2 Next: increase field to 6.3T for SG
May 18 2012 03:43:55:783PM	1120518021	Syunichi Shiraiwa	clean LH pulse Again, MHD is reducing CD. Baseline of LH reflectometer dropped slightly. Next: try 7T
May 18 2012 04:34:26:527PM	1120518024	Syunichi Shiraiwa	TF ramp-up from 5.4 -> 7 T for LH reflectometer. But, the base line did not change at all. Now I am skeptical if it is really non-thermal EC emission.... MHD occurs after 1.0s
May 18 2012 04:58:45:373PM	1120518025	Syunichi Shiraiwa	Full length Still having the MHD. Next, start LH at 0.4 before ST starts...
May 18 2012 05:19:30:967PM	1120518026	Syunichi Shiraiwa	The mode starts from the beginning. LH stays on during the pulse.

Physics Operator Comments
May 18 2012 08:48:36:657AM	1120518001	Ron Parker	For shot 1 we'll load 1120516012 in segment 2 with the current reduced to 500 kA. We'll load shot 1120517010 in segment 1.
May 18 2012 09:31:38:960AM	1120518001	Ron Parker	Shot 1 went well, full length. LH pulse was clean at 500 kW, nice sawtooth stabilazation and good electron heating, even though loop voltage was only reduced to ~ 0.5 V
May 18 2012 09:41:23:153AM	1120518002	Ron Parker	Dud! No EF3 -- It happens "once in a blue moon" -- but when was the last time the mooon was blue?
May 18 2012 09:54:41:697AM	1120518003	Ron Parker	Shot came back. NINJA was enabled even though shot plan requested that it be disabled. Who is responsible for NINJA?
May 18 2012 10:06:07:183AM	1120518004	Ron Parker	Shot 4 ran well, but LH faulted
May 18 2012 10:55:23:927AM	1120518005	Ron Parker	Shot 5 disrupted at ~0.5 s. OH2 fuse blew, causing breaker to pull.
May 18 2012 11:05:08:667AM	1120518005	Ron Parker	A new problem: Hydrants on Albany st are being flushed, causing water pressure to drop and tripping alternator! There will be a (hopefully) short delay while we wait for last hydrant to be flushed.
May 18 2012 11:53:15:817AM	1120518006	Ron Parker	Shot 6 ran fulll length.
May 18 2012 11:54:36:850AM	1120518007	Ron Parker	Shot 7 ran full length
May 18 2012 12:07:22:897PM	1120518008	Ron Parker	Shot 8 ran full length
May 18 2012 12:18:39:443PM	1120518009	Ron Parker	Shot 9 ran well, full length.
May 18 2012 12:40:33:497PM	1120518010	Ron Parker	Shot 10 ran well, full length.
May 18 2012 01:00:15:477PM	1120518011	Ron Parker	Shots continue to run as programmed
May 18 2012 01:36:49:460PM	1120518012	Ron Parker	Shot 12 ran full length
May 18 2012 01:36:23:067PM	1120518013	Ron Parker	Shot 13 ran, but LH had a fault in middle of pulse.
May 18 2012 01:50:51:797PM	1120518014	Ron Parker	Shot 14 ran full length, but LH had two trips
May 18 2012 02:04:48:630PM	1120518015	Ron Parker	Again, shot 15 ran full length. Argon at 70 ms bumped up density from ~ 3.5e19 m-2 to 4e19 m-2.
May 18 2012 02:25:41:830PM	1120518016	Ron Parker	Same-o, same-o. Next, kill Ar pulse since it sets lower limit on density
May 18 2012 02:32:31:850PM	1120518017	Ron Parker	Fizzle! Just when I thought that we weren't going to get one!
May 18 2012 02:53:39:007PM	1120518018	Ron Parker	The shot is back, full length
May 18 2012 03:05:29:380PM	1120518019	Ron Parker	Fizzle.Are we in the every other shot mode? Is gas the problem? Add 4 ms To 34 ms prepulse).
May 18 2012 03:23:18:553PM	1120518020	Ron Parker	Shot came back. But are we in the every other shot mode?
May 18 2012 03:30:13:430PM	1120518020	Ron Parker	Next, we are going to 6.3 T to check effect of cyclotron emission on Seung Gyou's reflectometer baseline.
May 18 2012 03:50:29:063PM	1120518021	Ron Parker	Shot ran OK, but current drive efficiency seems to degrade at ~ 1.1 s. Nice heating to over 4 keW just before the efficeincy drops. Next: raise field to ~ 7 T (193 kA)
May 18 2012 04:03:52:717PM	1120518022	Ron Parker	Shot 22 was a runaway shutdown! Reload shot 20
May 18 2012 04:20:43:260PM	1120518023	Ron Parker	Shot 23 came back, but early runaways still a problem.
May 18 2012 04:33:50:420PM	1120518024	Ron Parker	Shot 24 had a field ramp to 6.9 T; apparently no effect on Seung Gyou's baseline. Next: back to 5.4 flat top, raise LH power
May 18 2012 05:01:55:227PM	1120518025	Ron Parker	Shot 25 ran full length
May 18 2012 05:08:48:187PM	1120518026	Ron Parker	Shot 26 ran full length

Engineering Operator Comments
Shot	Time	Type	Status	Comment
1	09:05:35:510AM	Plasma	Ok
2	09:31:08:087AM	Plasma	Bad	EF3 Aux power shut off
3	09:44:54:060AM	Plasma	Ok
4	09:59:37:487AM	Plasma	Ok
5	10:19:07:190AM	Plasma	Bad	OH crowbar
6	11:23:25:547AM	Plasma	Ok
7	11:36:51:450AM	Plasma	Ok
8	11:50:16:610AM	Plasma	Ok
9	12:07:25:473PM	Plasma	Ok
10	12:25:42:557PM	Plasma	Ok
11	12:43:22:943PM	Plasma	Ok
12	01:01:42:030PM	Plasma	Ok
13	01:23:06:510PM	Plasma	Ok
14	01:39:09:257PM	Plasma	Ok
15	01:55:15:260PM	Plasma	Ok
16	02:11:40:627PM	Plasma	Ok
17	02:27:55:240PM	Plasma	Ok
18	02:41:56:667PM	Plasma	Ok
19	02:59:06:250PM	Plasma	Ok
20	03:12:32:250PM	Plasma	Ok
21	03:29:43:223PM	Plasma	Ok
22	03:51:27:157PM	Plasma	Ok
23	04:05:05:530PM	Plasma	Ok
24	04:20:57:917PM	Plasma	Ok
25	04:44:45:737PM	Plasma	Ok
26	05:06:00:607PM	Plasma	Ok

System Availability

May 18 2012 09:05:16:770AM

System Available Comment Availability Changed Owner Description Who Can Change Active MHD no secured - tagged out Jun 2 2008 11:03:58:433AM (sears) Joe Snipes Active MHD Antenna golfit BES yes BES system is online Nov 22 2011 02:21:12:050PM (bespam) Bill Rowan Beam Emission Spectroscopy bespam,liao,rowan Bolometers yes Midplane diodes functioning properly. Midplane bolometers working and calibrated. DIV bolometers installed but not yet toaster calibrated Apr 20 2012 09:57:29:520AM (mlreinke) Matt Reinke Bolometers hutch,mlreinke Boronization no Bottle has been disconnected from gas lines and plugged. It is being stored in the diborane cabinet. Feb 29 2012 07:47:39:617AM (dekow) Jim Irby Boronization dekow,irby CECE no   Jan 6 2012 03:48:47:060PM  Anne White Correlation ECE whitea CNPA yes Multiple channel CNPA available, no safety risk for in-vessel access Apr 14 2011 12:01:59:693PM (parker) Ron Parker Compact Neutral Analyzer parker Cryopump - Upper Divertor no Off line. Helium dewar to be installed Monday 5/14/12 May 10 2012 08:45:54:900AM (labombard) Brian LaBombard Upper Divertor Cryopump dekow,irby,labombard CXRS yes core-CXRS system is online Nov 22 2011 02:21:22:280PM (bespam) Bill Rowan Charge Exchange Spectroscopy bespam,blip,liao,rachmcd,rowan CXRS edge yes Michael CHurchill has primary responsibility at the moment Apr 19 2011 11:44:46:247AM (blip) Bruce Lipshultz Measurement of CXR light in the pedestal region at both the high- and low-field sides blip,rmchurch D Alpha yes \ha2_bright is available; \SPECTROSCOPY::TOP.VUV.VIS_SIGNALS:MCP_VIS_SIG1 is not available Jul 1 2009 09:45:41:090AM (terry) Jim Terry Balmer Alpha Monitor irby,terry,wolfe Dalsa no system is is installed and aligned, but not functional (appears to be a broken cable) Dec 5 2011 02:41:42:867PM (marmar) Earl Marmar Visible Bremsstrahlung Imaging marmar Disruption Mitigation yes two gas jet valves active as of Feb 2012 May 15 2012 10:09:23:597AM (granetz) Robert Granetz Gas Jet granetz,whyte Divertor IR no   Mar 6 2007 10:50:41:677AM  Glen Wurden Divertor IR Digital Video gwurden,terry Divertor IR Spectroscopy no   Mar 6 2007 10:51:39:897AM  Glen Wurden Divertor IR Spectroscopy gwurden,terry DMBolo AXUV diodes yes Diodes are taking usable data. Not all post-processing code is working yet. Feb 1 2012 01:24:23:953PM (golynyk) Geoff Olynyk Set of six AXUV diodes in a toroidal array of midplane wall boxes. golynyk,granetz,mlreinke,whyte DNB yes "The beam could break at any moment." May 15 2012 10:09:52:470AM (granetz) Robert Granetz Diagnostic Neutral Beam dterry,granetz,mochung ECDC yes   Apr 26 2012 03:23:19:057PM (dekow) Jim Irby 2.45 GHz, 3 kW, discharge cleaning system dekow,irby,pfeiffer FRC-ECE yes FRC-ECE is online May 14 2012 11:53:01:693AM (bespam) Perry Phillips Heterodyne ECE-32 channels bespam,liao,phillips,rowan,whitea FTCI yes System Operational May 14 2012 11:50:45:590AM (irby) Jim Irby Fast two-color interferometer irby G-Side Ratiomatic yes Installed April 25,2012 May 1 2012 05:03:39:313PM (toland) Brian LaBombard G-side ratiomatic ionization gauge labombard,toland Glow Discharge no HV cables disconnected and power supplies off. Electrical plugs have been disconnected, capped and red tagged. Mar 5 2012 10:21:53:460AM (dekow) Jim Irby 1 kV, 5 A, glow discharge system dekow,dterry,irby GPC yes Operational Apr 27 2012 07:41:46:907AM (hubbard) Amanda Hubbard ECE Polychromater hubbard GPC2 yes Operational Apr 27 2012 07:42:03:317AM (hubbard) Amanda Hubbard ECE Polychromater hubbard GPI yes The Xpt-view, the midplane-view cameras are operational. The innerwall GPI (coupled to the fast-diodes) is available. Jul 1 2009 09:45:50:933AM (terry) Jim Terry Gas Puff Imaging terry,zweben H/D yes system is functional and taking data Dec 5 2011 02:42:29:857PM (marmar) Earl Marmar H/D Ratio marmar HEAT yes   Apr 26 2012 03:23:49:607PM (dekow) Gary Dekow - Machine Heaters - burke,dekow Hirex Jr yes Hirex-Jr has been installed Jun 28 2010 03:36:33:420PM (rice) John Rice High Resolution X-Ray ince,rice Hirex Sr yes Installed and aligned. Will be available for Ti/Vr profiles after focusing tests and locked modes are taken. Dec 6 2011 08:21:02:453AM (ypodpaly) John Rice High Resolution X-Ray cgao,ldelgado,rice,ypodpaly HXR yes 32 Channels operational,, no safety risk for in-vessel access Apr 14 2011 12:05:24:810PM (parker) Ron Parker Hard X-Ray Array faust,parker,schmidt ICRF D-Antenna yes conditioning May 1 2012 10:31:59:277AM (wukitch) Steve Wukitch D-port antenna wukitch,ylin ICRF E-Antenna yes conditioning May 1 2012 10:31:48:860AM (wukitch) Steve Wukitch E-port antenna wukitch,ylin ICRF J-Antenna no secured Feb 29 2012 11:12:32:567AM (wukitch) Steve Wukitch J-port antenna wukitch,ylin Impurity Spectroscopy yes Being upgraded with better optics and new spectrographs. Dan Miller has primary responsibility. Apr 19 2011 11:46:02:193AM (blip) Bruce Lipshultz Measurement of recycling light and impurity source rates at multiple surfaces around the tokamak blip,miller Laser Blow-Off yes Pumped Down, Laser has not yet been tested but otherwise operational May 14 2012 04:31:17:037PM (nthoward) Martin Greenwald Impurity Injection System g,nthoward Lower Hybrid no LH is now safe for manned entry into machine. Positioner locked and tagged off. Switches locked in dummy load position. Mar 2 2012 02:34:28:943PM (dterry) Ron Parker Lower Hybrid dterry,parker,wallaceg Lower Hybrid Reflectometer no off Apr 15 2011 08:24:27:930AM (dominguez) Arturo Dominguez Lower Hybrid Reflectometer dominguez,marmar,parker,sgbaek LoWEUS yes LoWEUS viewing the 10-30 nm region, spectral brightness vs. lambda and time are being stored in tree. Apr 20 2012 10:43:34:077AM (mlreinke) Matthew L. Reinke Long Wavelength Extreme Ultraviolet Spectrometer markchil,mlreinke LPI no Beam line removed May 30 2008 02:09:12:833PM (bose) Earl Marmar Lithium Pellet Injector bose,marmar Ly-alpha yes Midplane Lyman-a. New B-PORT Lyman (BPLY) still being debugged. Apr 20 2012 10:44:00:540AM (mlreinke) Matt Reinke Lyman alpha cameras faustian,labombard,mlreinke Magnetics yes   Dec 1 2011 11:51:51:970AM (g) Robert Granetz Bp coils and flux loops for equilibrium control granetz,wolfe McPherson no McPherson viewing the 10-14 nm region for molybdenum monitoring. It's days are numbered as LoWEUS has demonstrated superiority. Apr 20 2012 10:44:10:937AM (mlreinke) Jim Terry VUV Spectrometer markchil,mlreinke,terry Michelson yes Vacuum 3-4e-8 T. Starting with Michelson at reduced speed. Apr 27 2012 07:42:41:960AM (hubbard) Amanda Hubbard ECE Te Profiles hubbard,schmidt MKS yes   Dec 2 2011 12:27:47:163PM (toland) Brian LaBombard Baratron pressure gauges labombard,toland MLP yes Operational. Connected to A-port probe system May 10 2012 08:40:19:910AM (labombard) Brian LaBombard Mirror Langmuir Probe Electronics System labombard MSE yes 2/29/2012 MSE operational. No HV or vacuum safety issues Feb 29 2012 12:26:13:863PM (sscott) Steve Scott Motional Stark Effect jinseok,sscott Neutrons yes Voltage is on for He3 detectors on J port. Remaining voltages will be turned on for the first run. Apr 23 2012 09:31:22:063AM (fiore) Catherine Fiore Neutron Detectors fiore Neuts and Hards yes All detectors Powered On --- Waiting for neutrons for calibration Nov 22 2011 01:05:24:380PM (irby) Jim Irby X-Ray/Neutron Detectors at K-Hor irby NINJA yes C-bottom and new F-bottom system ready. Dec 2 2011 12:28:44:843PM (toland) Brian LaBombard NINJA gas puff labombard,terry,toland PCI yes Operational. May 1 2012 08:31:33:743AM (ntsujii) Miklos Porkolab Phase Contrast Imaging emd,ennever,ntsujii,porkolab Penning Gauges yes HV power supplies turned ON in INIT, off in RECOOL May 10 2012 08:41:03:000AM (labombard) Brian LaBombard Penning Ionization Gauges labombard Plasma TV yes WIDE1, WIDE2 (chan 33), DANT, JANT and DIV are operational. Jul 1 2009 09:46:29:543AM (terry) Jim Terry Video of plasma via several cameras dekow,irby,terry,wolfe Polarimeter yes 3 chords operational but with high noise level Jan 6 2012 04:22:20:903PM (irby) Jim Irby C-Mod Polarimeter irby Power - Alternator Air Switch yes   Apr 26 2012 03:24:21:607PM (dekow) Gary Dekow Alternator to Power Room Power Supply Connection cochran,dekow,dterry,irby Power - PEI yes   Apr 26 2012 03:24:41:250PM (dekow) Gary Dekow PEI System cochran,dekow,dterry,irby Power - TMX yes   Apr 26 2012 03:24:57:153PM (dekow) Gary Dekow Ef2s,. EFCs and A-Coils byford,cochran,dekow,dterry,irby Power Systems yes   Apr 26 2012 03:25:14:497PM (dekow) Jim Irby C-Mod Magnet Supplies byford,cochran,dekow,dterry,irby Probe Array - ISD yes Operational. Some dead probes. May 10 2012 08:41:58:120AM (labombard) Brian Labombard Inner Lower Divertor Probe Array labombard Probe Array - LH yes Operational. 4 out of 6 probes working. May 10 2012 08:41:40:557AM (labombard) Brian LaBombard Lower Hybrid Probe Array labombard Probe Array - OSD yes Operational. May 10 2012 08:42:13:733AM (labombard) Brian LaBombard Outer Lower Divertor Probe Array (F and J) labombard Probe Array - UDIV yes Operational. Some dead probes. May 10 2012 08:42:32:663AM (labombard) Brian LaBombard Upper Divertor Probe Array labombard Reflectometer yes As of 1120508, the 60, 75, 88s, 112, 140 and variable are connected and turned on. May 8 2012 10:33:21:567AM (dominguez) Earl Marmar Reflectometer dominguez,marmar Scanning Probe - ASP yes Operational. A variety of probe heads are ready for use. May 10 2012 08:43:10:937AM (labombard) Brian LaBombard A-Port Scanning Probe labombard Scanning Probe - FSP yes Operational. May 10 2012 08:43:24:887AM (labombard) Brian LaBombard F-Port Scanning Probe labombard Scanning Probe - WASP no Not functioning. Probe tips are melted. Repair not performed during break. May 10 2012 08:44:43:137AM (labombard) Brian LaBombard Inner Wall Scanning Probe labombard,nsmick Shoelace Antenna yes Operational May 10 2012 08:45:08:320AM (labombard) Brian LaBombard High-k active MHD antenna, for QCM, WCM studies golfit,labombard SOL reflectometer yes c-port (top, middle, bottom) and h-port available. Only 1 of 4 locations can be used for each discharge May 1 2012 04:54:58:820PM (cornwall) Cornwall Lau SOL reflectometer cornwall,wukitch,ylin Sparker yes Sparker Power Supply powered up. Connected at K port using red cable 4/23/12 9:25AM Apr 23 2012 12:06:10:983PM (parkin) Jim Irby Field Emission Preionization for C-Mod dekow,irby,parkin Surface Science Station no SSS is up to air, no safety issues. Feb 27 2012 01:51:48:783PM (ochoukov) Bruce Lipschultz Radially scanning probe located on K-port blip,ochoukov TCI yes TCI lasers in operation May 14 2012 11:51:18:700AM (irby) Jim Irby Two-Color Interferometer irby,murray TS - Core yes Operating with one 50Hz laser, precise density calibration still required. May 9 2012 03:12:32:050PM (jwhughes) Jerry Hughes Core Thomson scattering jrwalk,jwhughes,yma TS - Edge yes Operating with one 50Hz laser, precise density calibration still required. May 9 2012 03:12:51:363PM (jwhughes) Jerry Hughes Millimeter resolution edge Thomson scattering jrwalk,jwhughes,yma Vispec no 350 and 670 nm, 4 spatial channels Nov 28 2007 09:58:35:493AM (agraf) Alex Graf Visible Spectrometer agraf XEUS yes XEUS viewing the 1-6 nm region, spectral brightness vs. lambda and time are being stored in tree. Apr 20 2012 10:43:43:107AM (mlreinke) Matt Reinke X-ray Extended Ultraviolet Spectrometer markchil,mlreinke XTOMO yes ARRAY1->5 available. Specific channels on various arrays display issues. Apr 20 2012 05:36:28:523PM (faustian) Robert Granetz X-Ray Tomography faustian,granetz,mlreinke