git-svn-id: https://bucket.mit.edu/svn/nilm/zoom@8147 ddd99763-3ecb-0310-9145-efcb8ce7c51f
Same as 20090914 except with fixed clamp calibrate-10a.log: Using the calibrate tool to get curves for keithley ±200mA. Effective with 50 turns is ±10A. calibrate-50a.log: Same, keithley ±1A.