1. AMS Summary 16:00 on Wed 22 May 2019 (GMT 142) To
16:00 on Mon 27 May 2019 (GMT 147)

2. AMS High Rate Data Downlink Rate (Mbps) : 17 -> 27 (1
AMS High Rate Data Downlink Rate (Mbps) : 17 -> 27 (1.5h) -> 17 -> 50 (22h) -> 17
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Ku-band High Rate (down):
Baseline: <17Mbit/s>
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

3. Main Data Computers (JMDC)
Number of Digital Signal Processor (DSP) bit-flips (Auto-fixed, x15) :
3(Wed), 2(Thu), 4(Fri), 2(Sat), 3(Sun), 1(Mon)
Data Acquisition (DAQ)
Readout
Data Reduction
Detectors
DAQ Comp
(JINJ)
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TOF+ACC (SDR)
Tracker (TDR)
RICH (RDR)
ECAL (EDR)
Trigger (JLV1)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
Main Data Computers (JMDC)
Radiation
Heavy nuclei
More than 300 active Digital Signal Processor (DSP) for processing subdetectors signal, calculation and system control. DSP bit-flips are checked 4 times per orbit and can be fixed automatically. -
Integrated
Circuit (Si) +
I increasing
Bit-flips - a logic state is changed 3 3 3

4. Main Data Computers (JMDC)
Lv3 showed all events error (due to RICH event desync). Restarted DAQ, back to nominal (Thu.)
Data Acquisition (DAQ)
Readout
Data Reduction
Detectors
DAQ Comp
(JINJ)
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TOF+ACC (SDR)
Tracker (TDR)
RICH (RDR)
ECAL (EDR)
Trigger (JLV1)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
Main Data Computers (JMDC)
Radiation
Heavy nuclei
More than 300 active Digital Signal Processor (DSP) for processing subdetectors signal, calculation and system control. DSP bit-flips are checked 4 times per orbit and can be fixed automatically. -
Integrated
Circuit (Si) +
I increasing
Bit-flips - a logic state is changed 4 4 4 4

5. Main Data Computers (JMDC)
Lv3 showed event number didn’t change. Stopped DAQ failed on a Tracker Data Reduction (TDR) computer. Manually rebooted the computer and restarted DAQ, back to nominal (Fri.)
Data Acquisition (DAQ)
Readout
Data Reduction
Detectors
DAQ Comp
(JINJ)
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TOF+ACC (SDR)
Tracker (TDR)
RICH (RDR)
ECAL (EDR)
Trigger (JLV1)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
Main Data Computers (JMDC)
Radiation
Heavy nuclei
More than 300 active Digital Signal Processor (DSP) for processing subdetectors signal, calculation and system control. DSP bit-flips are checked 4 times per orbit and can be fixed automatically. -
Integrated
Circuit (Si) +
I increasing
Bit-flips - a logic state is changed 5 5 5 5

6. Flight Ground ISS AMS on ISS
Update DAQ restart times in JMDC Time-based Queue List (Fri)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

7. Flight Ground ISS AMS on ISS ISS Avionics
Issues in S-Band, commanding disabled for ~2 hours, Playback OFF (Thu.)
Schedule commanding S-Band index change, commanding disabled for 5 mins (Fri.)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

8. Flight Ground ISS AMS on ISS ISS Avionics
Unexpected Ku drop, ~22K events of data on Laptop only (Wed)
Unexpected Ku drop(x3), ~31K events of data on Laptop only (Sat)
Unexpected Ku drop, ~13K events of data on Laptop only (Sun)
Unexpected Ku drop, ~12K events of data on Laptop only (Mon)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Ku-band High Rate (down):
Baseline: <17Mbit/s>
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

9. Flight Ground ISS AMS on ISS ISS Avionics
Internet Voice Distribution System (IVoDS), Enhanced Remote Interface Servers (ERIS) and ISS live connections dropped(x3), reconnected ok (Thu)
Cannot login to Enhanced Remote Interface Servers (ERIS). Called Huntsville Operations Support Center (HOSC) for help. Restart commanding server and reconnected ok (Fri)
Enhanced Remote Interface Servers (ERIS) dropped, reconnected ok (Fri)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

10. Flight Ground ISS AMS on ISS ISS Avionics
Issues in ISS Express Rack 3. No RICchd (Rack Interface Controller Critical Housekeeping data) from Laptop. Ask DMC to clear dark fibber and load Laptop Queue-List didn’t help. Data experts Maxim and Andrey called. After ISS Express Rack 3 issues fixed, reload Laptop Queue-List , then nominal.
(Thu)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

11. Flight Ground ISS AMS on ISS ISS Avionics
Since ISS reboost on Thursday, the number of satellites seen by AMS GPS is varying, sometimes dropped to (Thu - Mon)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)
Friday
Saturday
Sunday
Monday

12. Tracker Thermal Control System (TTCS)
TTCS pump-SB has no spikes (speed over limit). (Wed - Mon )
Working fluid：CO2
Single phase
Two-phase
condensers
Pump-SB
Magnet HX
Accumulator
space
Tracker Thermal Control System (TTCS)
Tracker
TTCB
one of two in parallel
Radiators
Evaporator
+10ºC
120W
120W in
out
Evaporator
Fill port 12

14. Flight Ground AMS Laptop daily logfile downlink OK (x5) ISS AMS on ISS
(The logfile contains the operation status of the Laptop and is checked by DATA expert everyday to make sure the Laptop is working properly)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

15. Flight Ground ISS AMS on ISS
[A.Pashnin] Found 9 file intervals of missing data for May (Thu.)
[A.Pashnin] Playback 10 file intervals of missing data from Laptop for May (Fri.)
[A.Pashnin] Playback 4 file intervals of missing data from Laptop for May (Mon.)
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
[B.Shan]: Merging has been done for May 14-23: (Sun.)
(7.94%, SCI, events, 1.8 min)
(18.11%, SCI, events, 4.1 min)
(20.19%, SCI, events, 4.7 min)
(4.30%, SCI, events, 1.0 min)
(23.08%, CAL, 114 events, 0.0 min)
(21.71%, SCI, events, 4.9 min)
(9.40%, SCI, events, 2.2 min)
(12.04%, SCI, events, 2.8 min)
(8.12%, SCI, events, 1.8 min)
(13.03%, SCI, events, 3.0 min)
(14.14%, SCI, events, 3.3 min)
(1.98%, SCI, events, 0.5 min)
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC) 15

16. TRD: HV Intercalibration (x4)
(Every day TRD experts will adjust high voltage according the gas loss in the detector to stabilize the gas gain.)
U0: -4V
(1413V -> 1409V)
U0: -2V
(1409V -> 1407V)
U0: -1V
(1407V -> 1406V)
U0: -3V
(1406V -> 1403V)
U1: -3V
(1422V -> 1419V)
(1419V -> 1416V)
U1: -2V
(1416V -> 1414V)
(1414V -> 1412V)

17. AMS FLIGHT and GROUND SYSTEMS FLIGHT GROUND
TRD: [V.Zhukov] Switch Xe and CO2 vessels heaters OFF (Beta angle < +60 degrees ) (Fri.)
AMS on ISS
Trigger (JLV1)
AMS Laptop
Detectors
Data Reduction
Readout
[2]x[4]
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
HRDL
LRDL
ISS
Avionics
100 MBit/s
E’net
7x[2]
8x[2]x[2]
2x[2]x[2]
DAQ Comp
(JINJ)
AMSWire
100 MBit/s
Main Data Computers (JMDC)
TOF+ACC (SDR)
4x[2]x[4]
Tracker (TDR)
4x[4]
24x[2]
FLIGHT
RICH (RDR)
12x[2]
ECAL (EDR)
7x[2]
2x[4]
TDRS
AMS CAN Bus
Main Comp. Power
(USCM-J)
Monitoring (Align., GPS, Star Track, Temps.)
(USCM-M)
TRD
Gas, Temp.
(UGSC-UG)
Power Distribution
(PDS)
Tracker Thermal
(TTCE)
Ku-Forward(2015)
Thermal Systems
Ku-band
S-band
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
Infrastructure
White Sands
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
Infrastructure
NASA Liaison
Data Production
ERIS/CDP/KuFwd
MCC,
JSC
HOSCfepRIC
POIC, MSFC
Internet
HOSCfep
ERIS/CDP
GSC
IVoDS
NISN
GROUND
AMS Flight Simulator Lab.
AMS Flight Simulator
ISS Avionics Simulator
AMS Laptop
SDIL, JSC
“ISS”
Avionics
AMS Laptop
FEU
Internet
Backup POCC
(in 892)

18. Main Data Computers (JMDC)
RICH: 3 Bad Status in Science Buffer Playback file 3942/ (Fri.)
Data Acquisition (DAQ)
Readout
Data Reduction
Detectors
DAQ Comp
(JINJ)
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TOF+ACC (SDR)
Tracker (TDR)
RICH (RDR)
ECAL (EDR)
Trigger (JLV1)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
Main Data Computers (JMDC) 18 18 18

19. Main Data Computers (JMDC)
RICH: Restarted DAQ to upload new configuration files to mask noisy PMT 14, and increase the number of PMT to trigger high occupancy alarm in housekeeping data (Mon.)
Data Acquisition (DAQ)
Readout
Data Reduction
Detectors
DAQ Comp
(JINJ)
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TOF+ACC (SDR)
Tracker (TDR)
RICH (RDR)
ECAL (EDR)
Trigger (JLV1)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
Main Data Computers (JMDC) 19 19 19

20. Upcoming Events

21. AMS FLIGHT and GROUND SYSTEMS FLIGHT GROUND
May :00 (45 mins): No Communication. Mission Control Center (MCC) Step Up. Playback OFF
AMS on ISS
Trigger (JLV1)
AMS Laptop
Detectors
Data Reduction
Readout
[2]x[4]
TRD
TOF+ACC
Tracker
RICH
ECAL
TRD (UDR)
TRD (JINF-U)
Tracker (JINF-T)
RICH (JINF-R)
ECAL (JINF-E)
HRDL
LRDL
ISS
Avionics
100 MBit/s
E’net
7x[2]
8x[2]x[2]
2x[2]x[2]
DAQ Comp
(JINJ)
AMSWire
100 MBit/s
Main Data Computers (JMDC)
TOF+ACC (SDR)
4x[2]x[4]
Tracker (TDR)
4x[4]
24x[2]
FLIGHT
RICH (RDR)
12x[2]
ECAL (EDR)
7x[2]
2x[4]
TDRS
AMS CAN Bus
Main Comp. Power
(USCM-J)
Monitoring (Align., GPS, Star Track, Temps.)
(USCM-M)
TRD
Gas, Temp.
(UGSC-UG)
Power Distribution
(PDS)
Tracker Thermal
(TTCE)
Ku-Forward(2015)
Thermal Systems
Ku-band
S-band
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
Infrastructure
White Sands
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
Infrastructure
NASA Liaison
Data Production
ERIS/CDP/KuFwd
MCC,
JSC
HOSCfepRIC
POIC, MSFC
Internet
HOSCfep
ERIS/CDP
GSC
IVoDS
NISN
GROUND
AMS Flight Simulator Lab.
AMS Flight Simulator
ISS Avionics Simulator
AMS Laptop
SDIL, JSC
“ISS”
Avionics
AMS Laptop
FEU
Internet
Backup POCC
(in 892)

22. May 29 <tbd> : Russian EVA. No impact.
July 12 (3 days): ISS Yaw bias from -4 to -12 for power generation (+58<Beta>+68.5).
July 19 (4 days): ISS Yaw bias from -4 to -12 for power generation (+68.5>Beta>+58).

23. Jun :04 : SpX-17 unberth
Jun :40 : 71P undock
Jun :10 : 57s undock
Jul :00 : SpX-18 berth (Launch Jul 8/00:00). AMS Laptop upgrade disk aboard.

24. Tracker Thermal Control System (TTCS)
Projected pump ON/OFF times (Z. Zhang, 16 Apr 2019):
May 03 - Jun : Pump ON
Jun Jun : Pump OFF (Tracker Configuration E)
Jul Aug : Pump ON
Aug Sep : Pump OFF (Tracker Configuration E)
Sep Sep : Pump ON
Tracker Thermal Control System (TTCS)
Working fluid：CO2
Single phase
Two-phase
condensers
Pump-SB
Magnet HX
Accumulator
space in
out
Evaporator
Tracker
TTCB
one of two in parallel
Radiators
120W
+10ºC
Fill port

25. Flight Ground ISS AMS on ISS Jun 7 <tbd>: 600Mbit downlink test
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC)

26. Flight Ground ISS AMS on ISS ISS Avionics
Jun 26 23:30 (1h) : NASA software transition to Increment 60. No Certificate of Flight Readiness
(CoFR) request yet.
Tracking and Data Relay Satellite (TDRS)
ISS
AMS Laptop
AMS on ISS
Flight
Main Data Computers (JMDC)
ISS
Avionics
Asia POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
POCC
TEE:
Track/TRD/ACC
PM:
TOF/RICH/ECAL
LEAD
Thermal
DATA
Consultant
NASA Liaison
Data Production
Ground
White Sands Ground Terminal
AMS Computers at Marshall Space Flight Center (MSFC) 26