EndX Station Measurement
During the Tuesday maintenace, the PCAL team(Rick Savage, Julianna Lewis, & Tony Sanchez) went to EndX with Working Standard Hanford aka WSH(PS4) and took an End station measurement.
The EndX Station Measurement was MOSTLY* carried out according to the procedure outlined in Document LIGO-T1500062-v15, Pcal End Station Power Sensor Responsivity Ratio Measurements: Procedures and Log, and was completed by 10:30am. LIGO-T1500062-v15 is attached. After we were done but before we left we took a new background measurement with the PCAL covers on.

First thing I do is take a picture of the beam spot before anything is touched!

Martel:
We started by setting up a Martel Voltage source to apply some voltage into the PCAL Chassis's Input 1 channel and we record the times that a -4.000V, -2.000V and a 0.000V signal was sent to the Chassis. The analysis code that we run after we return uses the GPS times, grabs the data and created the Martel_Voltage_Test.png graph. We also did a measurement of the Martel's voltages in the PCAL lab to calculate the ADC conversion factor, which is included on the document.

After the Martel measurement the procedure walks us through the steps required to make a series of plots while the Working Standard(PS4) is in the Transmitter Module. These plots are shown in WS_at_TX.png.

Next steps include: The WS in the Receiver Module, These plots are shown in WS_at_RX.png.

Followed by TX_RX.png which are plots of the Tranmitter module and the receiver module operation without the WS in the beam path at all.
The last picture is of the Beam spot after we had finished the measurement.
All of this data is then used to generate LHO_EndX_PD_ReportV2.pdf which is attached, and a work in progress in the form of a living document.

All data and Analysis has been commited to the SVN.
https://svn.ligo.caltech.edu/svn/aligocalibration/trunk/Projects/PhotonCalibrator/measurements/LHO_EndX/

*After the Normal Measurment: Rick and I put the covers back on like normal, but we shuttered the Laser again, to try and get a backgorund measurement of the Rx Sphere with all of the covers on.
The GPS StartTime for this new measurement is 1370712650.

PCAL Lab Responsivity Ratio Measurement:
A WSH/GSHL (PS4/PS5)FrontBack Responsivity Ratio Measurement was ran, analyzed, and pushed to the SVN.
The analysis of this measurement produces 4 PDF files which we use to vet the data for problems.
raw_voltages.pdf
avg_voltages.pdf
raw_ratios.pdf 
avg_ratios.pdf

All data and Analysis has been commited to the SVN.
https://svn.ligo.caltech.edu/svn/aligocalibration/trunk/Projects/PhotonCalibrator/measurements/LabData/PS4_PS5/

A surpise BackFront PS4/PS5 Responsivity Ratio appeared!!
PCAL Lab Responsivity Ratio Measurement:
A WSH/GSHL (PS4/PS5)BF Responsivity Ratio measurement was ran, analyzed, and pushed to the SVN.
The analysis of this measurement produces 4 PDF files which we use to vet the data for problems.
raw_voltages2.pdf
avg_voltages2.pdf
raw_ratios2.pdf 
avg_ratios2.pdf

This adventure has been brought to you by Rick Savage, Julianna Lewis, & Tony Sanchez.