Aggregator

Log Number: 4473326Logbook(s): 

• ELOG

Body: 

Task approved

Log Number: 4473325Logbook(s): 

• POLOG
• ELOG

Entry Makers: samariBody: 

Placed A1 at Home and loaded the All save for V=0, H=0 no flip configuration. Current stability still sigma of .3. Transmission is at a minimum

Log Number: 4473324Logbook(s): 

• ELOG

Body: The following entry was removed from the Accelerator Bypassed-Interlocks Log (ABIL) Tag # 9410 Device: OMC03 Function: Oxygen Monitor Location: Hall C - West Wall Purpose: Failing Sensor Removed By: krylach

Log Number: 4473323Logbook(s): 

• ELOG

Tags: 

• MCC8am

Body:  PD SUMMARY

RF: 

- 2L25: CPS repairs completed and tested, all bays go into HV. Ready for SRF testing.

Log Number: 4473321Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Barker
DATE:             02/27/2026
SHIFT:               Day

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4473318Logbook(s): 

• ELOG

Body: 

The work on the rooftop ACC's were started on Wed 2/25/26, but completed. However, it will resume today, unless there are any objections.

Log Number: 4473317Logbook(s): 

• ELOG
• RADLOG

Entry Makers: dthomasBody: 

Log Number: 4473315Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Thomas
DATE:             02/27/2026
SHIFT:               Day

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4473314Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The following cavity histories have been updated:
Zone 2L08
Username: geesaman
Date/Time: 02-27-26_07:56:09
RF Status: Good
Comment: The door for SL08B18 was not fully shut. It is now closed and the interlocks clear.
Special Instructions: fault cleared by resetting CPS control panel switches (cycle one on left, then three on right, then fault reset)

Maintenance Tag: HPA Door SL08B18

Log Number: 4473312Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Destination Masking to: Inj500KeV
User: samari

Log Number: 4473311Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632
Data from: /usr/opdata/burt/allsnap/02-20-26_10:39:09
Restored file: /tmp/02-27-26_07:36:57.snap


downloading MOLLER V=H=0

Log Number: 4473310Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl632

Saved: samari 02-27-26 07:36:42 {A:5 B:3 C:1 E:345 A=BS B=BS C=BS D=BS 0R08=0.00 0R08 dump in. Autosave prior to restore.

Log Number: 4473308Logbook(s): 

• ELOG
• LERFLOG

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

Date : 02-27-26
Time : 07:09:27
Day : Friday
Shift : Day

Crew Chief : Humphry
Program Deputy: Schoene
Team : X
Arm : RadCon
Designated SSO: Thomas
LERF Operator:
Operators : Barker, Thomas

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

Log Number: 4473307Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: High Voltage was turned off for:
R02
R03
R04
R12
R14
R15
R16
R17
R18
R19
R1A
R1B
R1C
R1D
R1E
R1F
R1G
R1H
R1I
R1J
R1K
R1L
R1M
R1N
R1O
R1P
R1Q

Log Number: 4473306Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: High Voltage was turned off for:
R22
R23
R24
R25
R26
R27
R28
R29
R2A
R2B
R2C
R2D
R2E
R2F
R2G
R2H
R2I
R2J
R2K
R2L
R2M
R2N
R2O
R2P
R2Q

Log Number: 4473305Logbook(s): 

• POLOG
• ELOG

Body: 

- Continue with measurements of electrical pick-up of real-time helicity signal.

Log Number: 4473303Logbook(s): 

• POLOG
• ELOG

Body: Spot Location: (13250,19250), Charge: 4.23076

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

Log Number: 4473301Logbook(s): 

• ELOG

Entry Makers: msmithBody: 

This cavity continues to struggle. I have OLT'd it and it seems to be doing a bit better but im not hopeful it will stay that way.

Log Number: 4473300Logbook(s): 

• ELOG

Entry Makers: msmithBody: 

Head is already bypassed. Not sure why it alarmed

Log Number: 4473299Logbook(s): 

• ELOG

Entry Makers: msmithBody: 

Cavity has SOS'd while 5MV/m multiple times this shift. OVDH is 3.9 and the target gset is 0 so I've reduced it to 3.9 for now.