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Autolog save

4 hours 40 minutes ago
Log Number: 4480511Logbook(s): Tags: Body: saver ran from opsl632

Saved: chumphry 03-27-26 08:30:05 {A:i B:5 C:2 E:345 A=BS B=BS C=Tune D=BS 0R08=5.61 2R dump in. dump(s) in.
chumphry

Operator SIGN IN

4 hours 41 minutes ago
Log Number: 4480509Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Humphry
DATE:             03/27/2026
SHIFT:               Day

The operator has read the following:
  • ELOG
  • PD Shift Plan
  • Radiation Surveys for PSS Segments in Controlled Access
  • PSS Log
chumphry

Operator SIGN IN

4 hours 51 minutes ago
Log Number: 4480505Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Barker
DATE:             03/27/2026
SHIFT:               Day

The operator has read the following:
  • ELOG
  • PD Shift Plan
  • Radiation Surveys for PSS Segments in Controlled Access
  • PSS Log
bbarker

Operator SIGN IN

4 hours 55 minutes ago
Log Number: 4480503Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Thomas
DATE:             03/27/2026
SHIFT:               Day

The operator has read the following:
  • ELOG
  • PD Shift Plan
  • Radiation Surveys for PSS Segments in Controlled Access
  • PSS Log
dthomas

CREW CHIEF SIGN IN

5 hours 32 minutes ago
Log Number: 4480499Logbook(s): Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 03-27-26
Time : 07:37:24
Day : Friday
Shift : Day

Crew Chief : Schoene
Program Deputy: Malace
Team : B
Arm : Barker
Designated SSO: Thomas
LERF Operator:
Operators : Barker, Thomas

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

Phaser Results

5 hours 54 minutes ago
Log Number: 4480496Logbook(s): Body: Results where Job # is 987 {88} CAVITY PHASE ERROR (DEGREES) OUTCOME PHASE (DEGREES) START DATE DURATION (SECONDS) CORRECTION DATE CORRECTION ERROR REASON 1L21-8 -1.94 MEASURED -75.52 27-Mar-2026 07:00 56</
samari

Late entry: 0L03 cavities found far off phase

6 hours 12 minutes ago
Log Number: 4480486Logbook(s): Entry Makers: samariBody: 

Cavity 2 in particular was extremely off (18 degrees), and steering at 0L04H was necessary to phase these as orbit would change quite a bit. in total gained about .25 MeV from 0L03 given 0L04-8's correction. It seemed to tighten up our 1A spot by a solid amount.

Cavity 1: -10 degrees
Cavity 2: -18 degrees
Cavity 3: +10 degrees
cavity 4: +6 degrees
cavity 5: +7 degrees
cavity 6: +5 degrees
cavity 7: -5 degrees
cavity 8: -7 degrees

samari

1L07-1 Found 40 degrees off

6 hours 36 minutes ago
Log Number: 4480484Logbook(s): Entry Makers: samariBody: 

While running phaser had to pause and hand phase this cavity due to the huge change and it ended up being 40 degrees off. I think this is why the 1L07 gang phase was set ~4 degrees to compensate for the single cavity as the rest of the cavities were all about 6 degrees off as well. Phaser was run on it on the 12th, so phase must haver slipped in this cavity. Additionally, LEM had set this cavity way too low (3.67 MV/m), so it might be a good idea to fix the digital zones to have a mimimum GSET of 8?

samari

Shift Information

Shift Day
CEBAF Program
MCC Crew Chief Schoene
MCC Operators Barker, Thomas
Program Deputy Malace
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