Aggregator

Log Number: 4536129Logbook(s): 

• ELOG
• LERFLOG

Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 08-02-26
Time : 07:39:52
Day : Sunday
Shift : Day

Crew Chief : Blackshaw
Program Deputy: Latosky
Team : E
Arm : Humphry
Designated SSO: Janak
LERF Operator:
Operators : Humphry, Janak

This stamp certifies that the above Crew Chief has read/reviewed/received the following:

Log Number: 4536126Logbook(s): 

• ELOG

Entry Makers: jhowardBody: 

We noticed that the BPMs that FFB is trying to zero changed when RF was turned on. This caused a big adjustment to the FFB correctors and we are now saturating 3C04V.

We are leaving it for now, but we would like to change the BPMs to match the RF off BPMs so we do not change the orbit so drastically.

Log Number: 4536123Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: Recovering from 2L04 HV drop/RFCM replacement.  CW was briefly ret

Log Number: 4536121Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 8 0 0

Log Number: 4536120Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17581Title:
QE

Summary:
Daily QE MeasurementDuration:
7 minutes

Time Down:
02-Aug-2026 07:09

Time Up:
02-Aug-2026 07:16

Log Number: 4536119Logbook(s): 

• HDLOG
• ELOG

Entry Makers: victorcBody: 

Log Number: 4536118Logbook(s): 

• ELOG

Body: Calibration ParametersHall:DTarget: JD80-213 80um 45/135Pass: 5.5Note: Calibrated On:2026-Jul-29 20:36Calibrated By: anthonyFile:D-2026-07-29_2036_JD80-213_80um_45_135_Pass-5.5.hcdIon ChamberExisting Setpoing (rads/hr)New Setpoint (rads/hr)

Log Number: 4536117Logbook(s): 

• HDLOG
• ELOG

Entry Makers: victorcBody: 

Log Number: 4536114Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System UN-Masking for: CryoModule
User: victorc
Areas: NorthLinac SouthLinac

CryoModule Devices:
1L14
1L03
1L02
1L04
1L05
1L07
1L06
1L08
1L09
1L10
1L11
1L12
1L15
1L13
1L16
1L19
1L17
1L18
1L20
1L21
1L22
1L23
1L24
1L25
1L26
2L14
2L03
2L02
2L04
2L05
2L07
2L06
2L08
2L11
2L09
2L10
2L12
2L15
2L13
2L16
2L19
2L17
2L18
2L20
2L21
2L22
2L23
2L24
2L25
2L26

Log Number: 4536113Logbook(s): 

• ELOG

Entry Makers: jhowardBody: 

Not as big of a spike as last morning.

Log Number: 4536112Logbook(s): 

• POLOG
• ELOG

Body: Spot Location: (12750,19200), Charge: 60.618629999999996

Laser Wavelength Atten Setting Laser Power Current HV PS Current QE PV Updated? Update Time/Reason Not Updated (nm) (W) (uA)</

Log Number: 4536108Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17581Title:
QE

Summary:
Daily QE MeasurementDuration:
1 minute

Time Down:
02-Aug-2026 07:09

Time Up:
Category:

Log Number: 4536107Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System Masking for: CryoModule
User: victorc
Areas: NorthLinac SouthLinac

CryoModule Devices:
1L14
1L03
1L02
1L04
1L05
1L07
1L06
1L08
1L09
1L10
1L11
1L12
1L15
1L13
1L16
1L19
1L17
1L18
1L20
1L21
1L22
1L23
1L24
1L25
1L26
2L14
2L03
2L02
2L04
2L05
2L07
2L06
2L08
2L11
2L09
2L10
2L12
2L15
2L13
2L16
2L19
2L17
2L18
2L20
2L21
2L22
2L23
2L24
2L25
2L26

Log Number: 4536093Logbook(s): 

• ELOG
• RFLOG

Entry Makers: victorcBody: 

Tripped out of SELAP and RF turn on script kept aborting. Optimized POFF and it recovered fine after that.

Log Number: 4536090Logbook(s): 

• HCLOG
• ELOG

Entry Makers: dchriBody: 

FFB on

Log Number: 4536087Logbook(s): 

• ELOG

Body: Calibration ParametersHall:CTarget: Loop 2 10cmPass: 5Note: Calibrated On:2026-Jul-27 23:36Calibrated By: shrinerFile:C-2026-07-27_2336_Loop_2_10cm_Pass-5.hcdIon ChamberExisting Setpoing (rads/hr)New Setpoint (rads/hr)Compton4,886<

Log Number: 4536086Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Masked Hall C Normal Target FSD

Log Number: 4536048Logbook(s): 

• ELOG

Entry Makers: jhowardBody: 

Log Number: 4536047Logbook(s): 

• ELOG

Entry Makers: jhowardBody: 

Log Number: 4536043Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: victorc 08-02-26 03:54:29 {A:i B:1 C:5 E:1060 A=BS B=CW C=CW D=CW 0R08=50.13 No dumps in.