Decreasing the zones doesn't seem to be working. This might be an inadvertant error introduced by how TRANSP calculates things
for the higher zone cases.
For more information about the run see the input namelist.
The image below plots the total current vs time.
Legend:
Total Current: White
Lower Hybrid: Red
Ohmic Current: Green
Bootstrap Current: Blue
The figure below shows the actual power spectrum from the TRANSP output.