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MAST Data

These pages provide an access point to publicly funded MAST research data. By selecting a Program or Objective, and then a specific experiment number, you can request the related underlying shot data if it is available for release.

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List of Data Objects within the Data File

Shot:
27104

Date:
2011-10-17

Time:
14:48:00

Programme:
Physics studies using carbon ablation probe

Objective:
Continue programme from 14OCT

Class:
asm

Description:
H-mode and locked mode detector, Outer Saddle Magnetic Coil Measurements (SAD)

Filename:
asm27104.nc

Format:
netcdf4/hdf5

Size:
1

Pass:
0

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Signal Name Description
ASM_SAD/M01 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M02 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M03 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M04 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M05 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M06 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M07 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M08 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M010 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M011 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/M012 saddle coils after correcting for PF pickup and offset to zero between 0.5s and 1.5s
ASM_SAD/D01 1-7 difference between toroidally opposite saddle coils. 5 pairs since saddle coil 9 is missing
ASM_SAD/D02 2-8 difference between toroidally opposite saddle coils. 5 pairs since saddle coil 9 is missing
ASM_SAD/D03 4-10 difference between toroidally opposite saddle coils. 5 pairs since saddle coil 9 is missing
ASM_SAD/D04 5-11 difference between toroidally opposite saddle coils. 5 pairs since saddle coil 9 is missing
ASM_SAD/D05 6-12 difference between toroidally opposite saddle coils. 5 pairs since saddle coil 9 is missing
ASM_OUT/SIGNAL the average absolute value of saddle coils pairs ASM_SAD_M*
ASM_OUT/THETA the direction of the mode with time. Only displayed when the magnitude goes above 0.25. Otherwise zero.
ASM_OUT/THETA_DEVIATION the standard deviation of the angle with time, using a 2ms window.
ASM_OUT/RATING the signal divided by the deviation in the angle and gives an indication of locked modes
ASM_OUT/NN_RATING the locked mode rating produced by the pattern recognition algorithm. Goes between 0 and 1
ASM_OUT/NN_PATTERN the number of the pattern found. The patterns are displayed by running "err = art_nn(/CATS)"
ASM_HM/RATING an H-Mode rating from 0 to 1 throughout the shot
ASM_HM/PERIODS a trace of the interesting and probable H-Mode periods. The height of each period (again between 0 and 1) gives an indication of how likely it is to be H-Mode.
ASM_STATUS
ASM_PASSNUMBER