Anode remade with a ceramic "elbow-cube". Empty target oven in use for testing.

Wednesday, April 26, 2023, 08:44: BV1B open. Roughing.

Wednesday, April 26, 2023, 08:46: BV1A open

Wednesday, April 26, 2023, 09:15: TP1B on.

Wednesday, April 26, 2023, 09:21: TP1A on.

Wednesday, April 26, 2023, 09:31: IG1 on.

Wednesday, April 26, 2023, 10:43: Vacuum @ 2.33e-06T.

Wednesday, April 26, 2023, 10:51: Waterline FS#5 opened. Vacuum stable.

Wednesday, April 26, 2023, 11:00: Gases set. IV4 opened. (Timed out repeatedly. Reset w/ screwdriver)

Wednesday, April 26, 2023, 11:16: System ready check - OK. Manually set.

TGHT / TBHT @ 5 / 5 A

BIAS / EE / EZL @ 1 / -0.5 / 1 kV

Anode @ 100 V - 7.326mA

Coil @ 10 A.

Wednesday, April 26, 2023, 11:19: Optics set after reset.

Wednesday, April 26, 2023, 11:57: System tapped back down. Hold off for better vacuum. Vacuum @ 1.26e-06T. 

Thursday, April 27, 2023, 07:21: Vacuum @ 3.57e-07T

Thursday, April 27, 2023, 07:32: Tapped up coil to 70 A @ 7 A per min. Hold. Vacuum @ 3.68e-07T.

Thursday, April 27, 2023, 07:42: Vacuum @ 4.96e-07T. Tap down coil @ 7 A per min.

Thursday, April 27, 2023, 07:55: Auto-ramp TGHT / TBHT to 200 / 150 A @ 2 A per min.

Thursday, April 27, 2023, 09:47: TGHT / TBHT @ 200 / 150 A.

Thursday, April 27, 2023, 10:00: Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 4.884 mA

Anode @ 200 V = 7.326 mA

Anode @ 300 V = 10.989 mA

Anode @ 400 V = 13.431 mA

Thursday, April 27, 2023, 10:12: BIAS / EE / EZL @ 10 / -1.0 / 5 kV.

Thursday, April 27, 2023, 10:21: Auto-ramp TGHT / TBHT to 400 / 200 A @ 2 A per min.

Thursday, April 27, 2023, 11:43: Anode tapped down to 100 V -  8.547mA. Some instability noted.

Thursday, April 27, 2023, 12:17: Auto-ramp TGHT / TBHT to 580 / 290 A @ 2 A per min.

Thursday, April 27, 2023, 12:18: Anode to 20 V.

Thursday, April 27, 2023, 14:09: Tap up Anode in steps @ 20 v per 20 seconds.

Anode @ 100 V = 9.768

Anode @ 200 V = 13.431 mA

Anode @ 300 V = 15.873 mA

Anode @ 400 V = 18.315 mA

Thursday, April 27, 2023, 14:19: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 27, 2023, 14:50: Mass & wire scans complete.

Thursday, April 27, 2023, 21:52 : Anode sat at 400V for ~8hrs. One spark early on when HV sparked, otherwise stable drawing ~18mA. Ramped anode to zero and BIAS/EL down to 10/5 for the night (Carla).

Friday, April 28, 2023, 07:01: Auto-cooling TGHT / TBHT @ 2 A per minute.  

Friday, April 28, 2023, 13:05: HV to 0. SV5 closed.  

Monday, May 01, 2023, 07:34: Power / Sources off. IG1 off. TP1A & TP1B off.