10 February 2012
- 05:2905:29, 10 February 2012 diff hist +630 Open source solar spectrum project →Calibration and Verification
- 05:2105:21, 10 February 2012 diff hist +32 N File:Spectrometer sensor.png No edit summary
- 05:0605:06, 10 February 2012 diff hist +62 N File:Calibration system.png Multimeter-Pyranometer /251mm/ Halogen bulb-Variac-Transformer current