Variables Specified in the INK Namelist
INK is specified in input K or boundary file for vertical stablization.
| BACKAVERAGE | default = .false. |
| CUPDOWN | to force F coil currents to be up-down symmetric. Defaulted to be -100000 for symmetrized solutions. |
| GAIN | default = 0.22 |
| GAINP | default = 0.75 |
| ISETFB | default = 0 |
| IOFFR | default = -7 |
| IOFFZ | default = 7 |
| ISHIFTZ | default = 0 |
| IDPLACE | default = 0 |
| LRING | default = 0 |
| SYMMETRIZE | default = .false. |
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