1. AMS Summary 16:00 on Tue 30 Apr 2019 (GMT 120) To
16:00 on Thu 2 May 2019 (GMT 122)

2. Flight Ground AMS High Rate Data Downlink Rate (Mbps) : 17 ISS
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) : 3 (Wed), 1 (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 3 3 3

4. Main Data Computers (JMDC)
LV3 showed all events error (T4 crate event desync), fixed by restart DAQ (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) 4 4 4

5. Flight Ground ISS AMS on ISS
ERIS (Enhanced Remote Interface System) and ISS live dropped. Expert [A.Pashnin] called. Then nominal (Tue.)
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)

6. Flight Ground ISS AMS on ISS
Due to ISS Express Rack 3 (ER3) reboot, AMS Laptop rebooted (x3) (Wed)
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. Configure AMS Power Distribution System (PDS):
from 100% on 4B, back to nominal configuration 50%:50% on 3A:4B (Thu)
Power for AMS on ISS 2B 4A 1A 3B 4B 2A 3A 1B
AMS uses ~2KW from 2 of 8 ISS power circuits (1/solar array),
nominal split is 50:50 on circuits 3A:4B

8. Flight Ground ISS AMS on ISS
Unstable Ku, ~1k events on Laptop only (Wed)
Unstable Ku, ~0.2k events on Laptop only (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)

9. Flight Ground AMS Laptop daily logfile downlink ok (x2) 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)

10. Flight Ground ISS AMS on ISS ISS Avionics Asia POCC POCC
[B.Shan]: Merging results for Laptop playback for Apr 12-29: (Tue.)
(31.30%, SCI, events, 7.1 min)
(4.55%, SCI, events, 1.1 min)
(12.32%, SCI, events, 2.8 min)
(1.18%, SCI, 7404 events, 0.3 min)
(8.53%, SCI, events, 2.0 min)
(1.91%, SCI, 9822 events, 0.4 min)
(1.14%, SCI, events, 0.3 min)
(3.67%, SCI, events, 0.8 min)
(74.55%, SCI, events, 17.0 min)
(65.36%, SCI, events, 15.1 min)
(6.08%, SCI, events, 1.4 min)
(10.64%, SCI, events, 2.5 min)
(new, CAL, 494 events, 0.0 min)
(24.90%, SCI, events, 5.7 min)
(3.13%, SCI, events, 0.7 min)
(27.62%, SCI, events, 5.9 min)
(19.20%, SCI, 5961 events, 1.1 min)
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. TRD: HV Intercalibration
(Every day TRD experts will adjust high voltage according the gas loss in the detector to stabilize the gas gain.)
U0: -6V
(1410V -> 1404V)
U1: -6V
(1419V -> 1413V)

12. Main Data Computers (JMDC)
RICH: 2 Bad Status (Event desync ~80k events, recovered by DAQ auto-restart) (Wed.)
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) 12 12 12

13. Main Data Computers (JMDC)
RICH: PMT 198 still noisy (Wed, 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) 13 13 13

14. Upcoming Events

15. 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

16. May 4 (3 days): TRD Gas Refill #106
38 kg

17. May 5 13:00 : SpaceX-17 capture (launch May 3/09:11).
May 11 23:23 : 71P Reboost #7. Placeholder.
May 23 17:52 : 71P Reboost #8. Delta 4.6km. Burn 21m45s2
May 31 14:00 : SpX-17 unberth

18. AMS FLIGHT and GROUND SYSTEMS FLIGHT GROUND
May 7 04:00 (45 mins): No Comm. ISS 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)

19. May 14 (2 days): ISS Yaw bias from -4 to -12 for power generation (+58<Beta<+68.5).
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).

20. Flight Ground ISS AMS on ISS May 21 <tbd>: JMDC monthly reload
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)

21. Flight Ground ISS AMS on ISS
<tbd>: ISS Express Rack ER3 Laptop upgrade. Loss of comm. to AMS Laptop ~1h.
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)