Aggregator

Log Number: 4519903Logbook(s): 

• ELOG

Entry Makers: banksBody: 

Took temperature measurements in both the NA and SA BPS/Trim rooms. Temps pretty much consistent to yesterdays data. Adding the fan in the NA Trim room made a significant difference, cooling the room about 6 degrees. Even though temps are still warm in the NA, our systems are not affected. Will continue to monitor from home.

Log Number: 4519894Logbook(s): 

• ELOG

Entry Makers: bjacobBody: 

Smooth Beam Delivery

Log Number: 4519881Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4519857Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4519856Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4519852Logbook(s): 

• ELOG

Body: Currently Disabled Alarms - all

The Following Alarms Have Been Disabled Within the Last 24 Hours
===============================================================
07/03/2026 16:18:47
ACC=>BOXES=>ARC9A=>MARC9A (MISMATCH)
eforman
Not sending beam to arc 9
---------------------------

The Following Alarms Have Been Disabled Within the Last Week
===============================================================
07/02/2026 23:06:35
HALLB=>BOXES=>TAGGERB
shriner
not in use
---------------------------

Log Number: 4519853Logbook(s): 

• ELOG

Entry Makers: janakBody: 

Log Number: 4519851Logbook(s): 

• ELOG

Body: ACC=>VACUUM=>SOUTH_LINAC=>LINAC2=>VIP2L01 has been enabled in alarm handler

Ion pak replaced on 6/3/26 elog entry 4508137. Enabling alarm to see if it still has issues.

Log Number: 4519841Logbook(s): 

• ELOG

Entry Makers: janakBody: 

Routed message through the Guard Shack to facilities that the AC in Hall A counting house is down. They received the message and are coming to take a look

Log Number: 4519835Logbook(s): 

• ELOG

Entry Makers: chumphryBody: 

Log Number: 4519834Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl03

Saved: chumphry 07-04-26 08:36:33 {A:i B:1 C:3 E:1060 A=BS B=CW C=BS D=BS 0R08=0.00 No dumps in.

Log Number: 4519833Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl03

Saved: chumphry 07-04-26 08:36:14 {A:i B:1 C:3 E:1060 A=BS B=CW C=BS D=BS 0R08=0.00 No dumps in.

Log Number: 4519832Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl03

Saved: chumphry 07-04-26 08:35:56 {A:i B:1 C:3 E:1060 A=BS B=CW C=BS D=BS 0R08=0.00 No dumps in.

Log Number: 4519831Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Humphry
DATE:             07/04/2026
SHIFT:               Day

The operator has read the following:

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

Log Number: 4519826Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
1L20-1
Username: benesch
Date/Time: 07-04-26_07:57:09
RF Status: Good
Tuner Status: Good
Comment: DRVH=8.300 Quench Faults nine at 8.4
Previous OPS DRVH: 8.4
Special Instructions:

Log Number: 4519825Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
1L02-8
Username: benesch
Date/Time: 07-04-26_07:54:38
RF Status: Good
Tuner Status: Good
Comment: DRVH=7.600 Arc Rate Management four at 7.7, irregular spacing
Previous OPS DRVH: 8
Special Instructions:

Log Number: 4519819Logbook(s): 

• ELOG
• LERFLOG

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

Date : 07-04-26
Time : 07:24:41
Day : Saturday
Shift : Day

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

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

Log Number: 4519815Logbook(s): 

• ELOG

Tags: 

• ShiftSummary

Body:  CEBAF SHIFT LOG Shift Summary

Start of shift: Beam to Hall B.  2L18 drops HV.

Log Number: 4519814Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

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

Log Number: 4519812Logbook(s): 

• DCLOG
• ELOG

Body: 

Arc 7 successfully restored to setpoint 1 and East Arc (excepting Arc 5) was cycled.