Aggregator

Log Number: 4514361Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L02-5
Username: benesch
Date/Time: 06-20-26_19:17:48
RF Status: Good
Tuner Status: Good
Comment: DRVH=6.900 Arc Rate Management one at 6.9, three at 7
Previous OPS DRVH: 7
Special Instructions:

Log Number: 4514359Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L02-8
Username: benesch
Date/Time: 06-20-26_19:16:38
RF Status: Good
Tuner Status: Good
Comment: DRVH=6.100 Arc Rate Management one at 6.1, four ~6.25
Previous OPS DRVH: 0
Special Instructions:

Log Number: 4514358Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L02-6
Username: benesch
Date/Time: 06-20-26_19:14:51
RF Status: Good
Tuner Status: Good
Comment: DRVH=9.200 Arc Rate Management 5 true arc and 6 CWWT, most at 9.35, one at 9
Previous OPS DRVH: 0
Special Instructions:

Log Number: 4514356Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L02-2
Username: benesch
Date/Time: 06-20-26_19:13:29
RF Status: Good
Tuner Status: Good
Comment: DRVH=7.300 Arc Rate Management five, range 7.39-7.65
Previous OPS DRVH: 0
Special Instructions:

Log Number: 4514354Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L19-8
Username: benesch
Date/Time: 06-20-26_19:12:10
RF Status: Good
Tuner Status: Good
Comment: DRVH=10.000 Arc Rate Management six, range 10.15-10.7
Previous OPS DRVH: 0
Special Instructions:

Log Number: 4514352Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L14-5
Username: benesch
Date/Time: 06-20-26_19:11:01
RF Status: Good
Tuner Status: Good
Comment: DRVH=8.700 Arc Rate Management 13, most at 9 MV/m
Previous OPS DRVH: 10
Special Instructions:

Log Number: 4514349Logbook(s): 

• HCLOG
• ELOG

Entry Makers: bschaumlBody: 

Log Number: 4514346Logbook(s): 

• HCLOG
• ELOG

Entry Makers: yoonBody: 

Log Number: 4514345Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System UN-Masking for: BeamLossMonitor
User: bschauml
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
IL

Log Number: 4514344Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17231Title:
1L20-4 preventing filament state for zone

Summary:
RF on call contacted see elog 4514323Duration:
1 hour 10 minutes

Time Down:
20-Jun-2026 17:51

Time Up:

Log Number: 4514343Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System Masking for: BeamLossMonitor
User: bschauml
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T

Log Number: 4514338Logbook(s): 

• ELOG
• RFLOG

Entry Makers: bschaumlBody: 

Came back without any trouble, though KMAI and GMES (among other things) for cavity 4 were doing some weird stuff before HV dropped. All appears stable for now.

Log Number: 4514335Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: UNMasked Hall C Normal Target FSD

Log Number: 4514334Logbook(s): 

• HCLOG
• ELOG

Entry Makers: yoonBody: 

Log Number: 4514333Logbook(s): 

• ELOG

Body: Calibration ParametersHall:CTarget: Loop 2 10cmPass: 3Note: Calibrated On:2026-Jun-15 04:06Calibrated By: samariFile:C-2026-06-15_0406_Loop_2_10cm_Pass-3.hcdIon ChamberExisting Setpoing (rads/hr)New Setpoint (rads/hr)Compton1,796</

Log Number: 4514332Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: Masked Hall C Normal Target FSD

Log Number: 4514327Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Friday June 19 through 18:00 Saturday June 20 Operations Support Vacuum Activities CEBAF 3/10/2026 through 3/14/2027

2026-06-19 19:06 - Tony Sessoms

Log Number: 4514324Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 17231Title:
1L20-4 preventing filament state for zone

Summary:
RF on call contactedDuration:
6 minutes

Time Down:
20-Jun-2026 17:51

Time Up:

Log Number: 4514323Logbook(s): 

• ELOG
• RFLOG

Entry Makers: bschaumlBody: 

We will be unable to bring HV back or properly bypass and step off the cavity unless the communications error resolves, so we're touching base with RF on-call to discuss our options.

Log Number: 4514305Logbook(s): 

• ELOG

Entry Makers: yoonBody: 

a few other cavities decided to go with it, all recovered without issue