Tohban Report 2016-10-12

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Latest revision as of 19:14, 12 October 2016


Tohban Reports
Start Date: 5 October 2016
End Date: 12 October 2016
Tohban: Jim McTiernan
Tohban email: jimm@ssl.berkeley.edu
Next Tohban: Mitsuo Oka
List all reports



Contents

Solar Activity

B-flare activity, that does not seem to be showing up in our local GOES database.

How many GOES flares occurred?

 Flares above B, C, M, X class were      1     0     0     0

RHESSI flare list contains 19 over the time range 04-Oct-16 11-Oct-16

Memory Management

Decimation was normal/vigorous for the full time period. The SSR was at 0% at the end of BGS passes. Detectors 3 and 8 are on full-time, including spacecraft night, and rear segment decimation is turned off.

Spacecraft Status

Detectors 3 and 8 are recording events. The cold tips are currently 119.8 and 118.0 K as of 2016-09-19. The cold plates, 1 and 2 are 144.7 and 143.3 K. Cryocooler power is steady at 86W, cryocooler efficiencies have decreased over the last week to 0.026. Minimum battery voltage has increased to 27 V, presumably because we are no longer sending data during eclipses.

Data Gaps

The many short data gaps are due to noisy data connections.

DATA GAPS FOR 2016/10/05

TIME RANGE: 2016-10-05T00:00:00.000 -- 2016-10-06T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           4
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-05T01:15:00.000 -- 2016-10-05T01:20:00.000       300.00000
2016-10-05T02:55:00.000 -- 2016-10-05T03:00:00.000       300.00000
2016-10-05T18:40:00.000 -- 2016-10-05T18:45:00.000       300.00000
2016-10-05T23:15:00.000 -- 2016-10-05T23:20:00.000       300.00000
GAPS IN APP_ID = 154 (VC1-PMTRAS) WITH PACKET RATE LT 4
N_GAPS           2
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-05T00:50:00.000 -- 2016-10-05T00:55:00.000       300.00000
2016-10-05T19:35:00.000 -- 2016-10-05T19:40:00.000       300.00000
NO GAPS IN APP_ID = 102 (VC3-MONITOR RATES)

DATA GAPS FOR 2016/10/06

TIME RANGE: 2016-10-06T00:00:00.000 -- 2016-10-07T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           3
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-06T19:15:00.000 -- 2016-10-06T19:25:00.000       600.00000
2016-10-06T22:40:00.000 -- 2016-10-06T22:45:00.000       300.00000
2016-10-06T23:10:00.000 -- 2016-10-06T23:15:00.000       300.00000
GAPS IN APP_ID = 154 (VC1-PMTRAS) WITH PACKET RATE LT 4
N_GAPS           1
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-06T22:40:00.000 -- 2016-10-06T22:45:00.000       300.00000
NO GAPS IN APP_ID = 102 (VC3-MONITOR RATES)

DATA GAPS FOR 2016/10/07

TIME RANGE: 2016-10-07T00:00:00.000 -- 2016-10-08T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           1
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-07T20:00:00.000 -- 2016-10-07T20:05:00.000       300.00000
NO GAPS IN APP_ID = 154 (VC1-PMTRAS)
GAPS IN APP_ID = 102 (VC3-MONITOR RATES) WITH PACKET RATE LT 30
N_GAPS          22
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-07T02:30:00.000 -- 2016-10-07T02:35:00.000       300.00000
2016-10-07T04:15:00.000 -- 2016-10-07T04:20:00.000       300.00000
2016-10-07T04:25:00.000 -- 2016-10-07T04:30:00.000       300.00000
2016-10-07T06:40:00.000 -- 2016-10-07T06:45:00.000       300.00000
2016-10-07T07:05:00.000 -- 2016-10-07T07:10:00.000       300.00000
2016-10-07T07:40:00.000 -- 2016-10-07T07:45:00.000       300.00000
2016-10-07T09:15:00.000 -- 2016-10-07T09:25:00.000       600.00000
2016-10-07T09:50:00.000 -- 2016-10-07T09:55:00.000       300.00000
2016-10-07T10:45:00.000 -- 2016-10-07T10:50:00.000       300.00000
2016-10-07T11:25:00.000 -- 2016-10-07T11:30:00.000       300.00000
2016-10-07T12:10:00.000 -- 2016-10-07T12:15:00.000       300.00000
2016-10-07T15:10:00.000 -- 2016-10-07T15:15:00.000       300.00000
2016-10-07T15:50:00.000 -- 2016-10-07T15:55:00.000       300.00000
2016-10-07T16:00:00.000 -- 2016-10-07T16:10:00.000       600.00000
2016-10-07T16:15:00.000 -- 2016-10-07T16:20:00.000       300.00000
2016-10-07T16:45:00.000 -- 2016-10-07T16:50:00.000       300.00000
2016-10-07T18:10:00.000 -- 2016-10-07T18:15:00.000       300.00000
2016-10-07T18:20:00.000 -- 2016-10-07T18:25:00.000       300.00000
2016-10-07T22:15:00.000 -- 2016-10-07T22:20:00.000       300.00000
2016-10-07T22:30:00.000 -- 2016-10-07T22:35:00.000       300.00000
2016-10-07T22:55:00.000 -- 2016-10-07T23:00:00.000       300.00000
2016-10-07T23:40:00.000 -- 2016-10-07T23:45:00.000       300.00000

DATA GAPS FOR 2016/10/08

TIME RANGE: 2016-10-08T00:00:00.000 -- 2016-10-09T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           2
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-08T00:00:00.000 -- 2016-10-08T00:05:00.000       300.00000
2016-10-08T18:35:00.000 -- 2016-10-08T18:40:00.000       300.00000
GAPS IN APP_ID = 154 (VC1-PMTRAS) WITH PACKET RATE LT 4
N_GAPS           1
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-08T18:45:00.000 -- 2016-10-08T18:50:00.000       300.00000
GAPS IN APP_ID = 102 (VC3-MONITOR RATES) WITH PACKET RATE LT 30
N_GAPS           3
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-08T10:50:00.000 -- 2016-10-08T10:55:00.000       300.00000
2016-10-08T12:05:00.000 -- 2016-10-08T12:10:00.000       300.00000
2016-10-08T14:20:00.000 -- 2016-10-08T14:25:00.000       300.00000

DATA GAPS FOR 2016/10/09

TIME RANGE: 2016-10-09T00:00:00.000 -- 2016-10-10T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           4
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-09T01:10:00.000 -- 2016-10-09T01:15:00.000       300.00000
2016-10-09T18:05:00.000 -- 2016-10-09T18:10:00.000       300.00000
2016-10-09T22:30:00.000 -- 2016-10-09T22:40:00.000       600.00000
2016-10-09T23:00:00.000 -- 2016-10-09T23:05:00.000       300.00000
NO GAPS IN APP_ID = 154 (VC1-PMTRAS)
NO GAPS IN APP_ID = 102 (VC3-MONITOR RATES)

DATA GAPS FOR 2016/10/10

TIME RANGE: 2016-10-10T00:00:00.000 -- 2016-10-11T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           2
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-10T21:30:00.000 -- 2016-10-10T21:35:00.000       300.00000
2016-10-10T22:30:00.000 -- 2016-10-10T22:35:00.000       300.00000
NO GAPS IN APP_ID = 154 (VC1-PMTRAS)
NO GAPS IN APP_ID = 102 (VC3-MONITOR RATES)

DATA GAPS FOR 2016/10/11

TIME RANGE: 2016-10-11T00:00:00.000 -- 2016-10-12T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           2
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-11T18:50:00.000 -- 2016-10-11T18:55:00.000       300.00000
2016-10-11T19:20:00.000 -- 2016-10-11T19:25:00.000       300.00000
NO GAPS IN APP_ID = 154 (VC1-PMTRAS)
GAPS IN APP_ID = 102 (VC3-MONITOR RATES) WITH PACKET RATE LT 30
N_GAPS          11
GAP START TIME              GAP END TIME                   GAP (SEC)
2016-10-11T13:05:00.000 -- 2016-10-11T13:10:00.000       300.00000
2016-10-11T14:55:00.000 -- 2016-10-11T15:00:00.000       300.00000
2016-10-11T15:05:00.000 -- 2016-10-11T15:10:00.000       300.00000
2016-10-11T15:55:00.000 -- 2016-10-11T16:05:00.000       600.00000
2016-10-11T16:40:00.000 -- 2016-10-11T16:45:00.000       300.00000
2016-10-11T19:20:00.000 -- 2016-10-11T19:30:00.000       600.00000
2016-10-11T19:45:00.000 -- 2016-10-11T19:50:00.000       300.00000
2016-10-11T19:55:00.000 -- 2016-10-11T20:00:00.000       300.00000
2016-10-11T20:10:00.000 -- 2016-10-11T20:15:00.000       300.00000
2016-10-11T21:50:00.000 -- 2016-10-11T21:55:00.000       300.00000
2016-10-11T22:00:00.000 -- 2016-10-11T22:05:00.000       300.00000

Detector issues

Detectors 3 and 8 are powered on, and are recording events. Thresholds and HV's were changed for both detectors. On 7 October 2016, the G8 Rear fast threshold was increased from 0x70 to 0x80. On 9 October 2016, the G3 front slow threshold was increased to 0x30, the G3 front fast threshold was increased to 0x60, and the G3 rear fast threshold was increased to 0xA0. On 9 October 2016, the G8 front slow threshold was increased to 0x30, the G8 front fast threshold was increased to 0x40, and the G8 rear fast threshold was increased to 0xA0. On 10 OCtober 2016 the G3 and G8 front slow thresholds were reduced back to 0x0C. On 11 October the HV for both detectors was lowered to 2990 V.

Notes

During the 9-October-2016, 21:19 UTC pass, the thin attenuators were still stuck IN, so the thresholds were increased. The thin attenuators then popped right out. Also we increased the temperature limit, for shutting off the high voltage from 150K to 175K.

16-283-21:20:47 /ihvtmplmt limit=175
16-283-21:21:08 start attenuator013_bg
16-283-21:21:22 /IDPULOAD VALUE=0       ; 0      Min A0
16-283-21:21:22 /IDPULOAD VALUE=24     ; 9.41176 Max A0
16-283-21:21:22 /IDPULOAD VALUE=15     ; 5.88235 Min A1
16-283-21:21:22 /IDPULOAD VALUE=29     ; 11.3725 Max A1
16-283-21:21:22 /IDPULOAD VALUE=13     ; 5.098039 Min A2
16-283-21:21:22 /IDPULOAD VALUE=49     ; 19.2157 Max A2
16-283-21:21:22 /IDPULOAD VALUE=17     ; 6.66667 Min A3
16-283-21:21:22 /IDPULOAD VALUE=255   ; 100    Max A3

Spacecraft Management

Decimation Normal/Vigorous
HLAT Decimation No decimation
Night time data (fronts) full-time
Night time data (rears) full-time
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Working as expected
Detector problems? See notes above.
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