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COMMENT ON Gun2 photocathode Heat and Activation - August 2026

3 days 3 hours ago
Log Number: 4544348Logbook(s): Body: 

Moved Prep Chamber ion pump to a local gamma supply.

Heated puck # 3 in oven. The initial temp is 23.4 C and vacuum is 3.6 nA. Soaked between 350 and 363 C for 15 minutes. Heater at 6.0 Amp and 2.42 V. Vacuum went to 6.2 nA. When stopped soaking, degassed Cs source at 4.7 A for 10 seconds; vacuum went from to 4.0 nA to 10 nA.

suleiman

Heated Puck #3

3 days 3 hours ago
Log Number: 4544347Logbook(s): Entry Makers: suleimanBody: 

Moved Prep Chamber ion pump to a local gamma supply.

Heated puck # 3 in oven. The initial temp is 23.4 C and vacuum is 3.6 nA. Soaked between 350 and 363 C for 15 minutes. Heater at 6.0 Amp and 2.42 V. Vacuum went to 6.2 nA. When stopped soaking, degassed Cs source at 4.7 A for 10 seconds; vacuum went from to 4.0 nA to 10 nA.

suleiman

iocnl26rfhtr restored

3 days 4 hours ago
Log Number: 4544346Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

iocnl26rfhtr restored

3 days 4 hours ago
Log Number: 4544345Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

iocnl26rfhtr restoration failed

3 days 4 hours ago
Log Number: 4544344Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (failure) Channel connect timed out: 'R1QXHTSWI' not found. Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22 08:06 The following ar
alarms

iocnl26rfhtr restored

3 days 4 hours ago
Log Number: 4544343Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

iocnl26rfhtr restored

3 days 4 hours ago
Log Number: 4544342Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

iocnl26rfhtr restored

3 days 4 hours ago
Log Number: 4544341Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 08:06:54 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

Operator SIGN IN

3 days 5 hours ago
Log Number: 4544340Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Shenenberger
DATE:             08/22/2026
SHIFT:               Day

The operator has read the following:
alexs

iocnl26rfhtr restored

3 days 13 hours ago
Log Number: 4544334Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-22 00:16:24 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-22
alarms

iocnl26rfhtr restored

3 days 13 hours ago
Log Number: 4544333Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 23:55:46 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

iocnl26rfhtr restored

3 days 13 hours ago
Log Number: 4544332Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 23:55:46 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

iocnl26rfhtr restored

3 days 13 hours ago
Log Number: 4544330Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 23:55:46 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

iocnl26rfhtr restoration failed

3 days 13 hours ago
Log Number: 4544329Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 23:55:46 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

iocnl26rfhtr restored with warnings

3 days 13 hours ago
Log Number: 4544328Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 23:55:46 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

Operator SIGN IN

3 days 13 hours ago
Log Number: 4544327Logbook(s): Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Smith
DATE:             08/21/2026
SHIFT:               Owl

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

iocnl26rfhtr restored

3 days 13 hours ago
Log Number: 4544325Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-08-21 20:34:06 The output from the myRestore execution was as follows: iocnl26rfhtr <NOTE> Rf12Htr_2525: Provided macro *IOC* is never used Pause: 15 second(s) Rf12Htr_2525 Execute: caput R1QXHHTRMOD 0 (success) Old : R1QXHHTRMOD 0 New : R1QXHHTRMOD 0 Pause: 12 second(s) Execute: caput R1QXHTSWI 1 (success) Old : R1QXHTSWI OFF New : R1QXHTSWI MAN Pause: 3 second(s) Rf12Cryo_heatset@2026-08-21
alarms

Shift Information

Shift Day
CEBAF Program
MCC Crew Chief Howard
MCC Operators Barker, Price, Anthony, Smith
Program Deputy Park
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