Page 1 U.S. ISS Radiation Instruments: Data Processing and Archiving Image of ISS used as background Michael Golightly NASA Johnson Space Center Claire Dardano, J. Garza, T. Shelfer, E. Semones, F. Riman, S. Johnson, J. Flanders, and N. Zapp Lockheed-Martin, Houston Page 2 Space Radiation Analysis Group Logo Since last we met, ISS continued to evolve . . . Aug 2001: STS-105, ISS crew swap (image of ISS) Sep 2001: added Russian Pirs docking module (image of ISS) Dec 2001: STS-108, ISS crew swap (image of ISS) Apr 2002: STS-110, added S0 Truss segment, deployed EV-CPDS (image of ISS) Page 3 Space Radiation Analysis Group Logo Since last we met, ISS continued to evolve . . . Jun 2002: STS-111, ISS crew swap, delivered RMS Mobile Base System (image of ISS) Image of ISS with Canadian RMS, U.S. Lab, S0 Truss Segment, Service Module, Airlock, U.S. Node 1, Progress, FGB, Pirs, and Soyuz-TM labeled Page 4 Space Radiation Analysis Group Logo ISS today! Image by STS-111 15 Jun 2002 Page 5 Space Radiation Analysis Group Logo Operational radiation monitoring system progress since WRMISS 2001 • Sep 2001: software upgrade uploaded into IV-CPDS * Allow adjusting detector bias voltage via ground commands * Etc • Oct 2001: began capturing ISS TEPC cyclic telemetry and spacecraft state vector into database * Activation of TEPC real-time displays • Nov 2001: began capturing IV-CPDS cyclic telemetry and spacecraft state vector into database * Activation of TEPC real-time displays • Nov 2001: ISS TEPC and IV-CPDS evaluated with exposure to high-energy protons at Loma Linda cyclotron • Feb 2002: Participate in ICCHIBAN 1 • Mar 2002: Upload software upgrade into ISS TEPC * Improve operational efficiency * Improve real-time estimate of dose equivalent Page 6 Space Radiation Analysis Group Logo Operational radiation monitoring system progress since WRMISS 2001 • Apr 2002: EV-CPDS launched and deployed • Apr 2002: IV-CPDS detector bias voltages successfully adjusted by ground commanding • May 2002: Participate in ICCHIBAN 2 • 28 May 2002: ISS TEPC high voltage supply failure * Instrument returned to ground on STS-111 (15 Jun 2002) • Jul 2002: recommendation made by JSC Space and Life Sciences Directorate to manifest backup TEPC on next available Shuttle mission • Jul 2002: EV-CPDS #3 telescope real-time display brought on- line • Aug 2002: Investigation determined ISS TEPC failure isolated to single capacitor in high voltage supply Page 7 Space Radiation Analysis Group Logo Operational radiation monitoring system progress since WRMISS 2001 • Extensive investigation into instrument hardware anomalies • Extensive investigation into instrument data file problems Page 8 Space Radiation Analysis Group Logo U.S. Space Radiation Monitoring System Image of ISS with labels EV-CPDS 8A/Apr 2002, TEPC locations, PRD locations, CPDs locations IV-CPDS 5A.1/Mar 2001, TEPC 3A/Oct 2000, RAMSs 4A/Dec 1999, CPDs 2R/Nov 2000 Key EV-CPDS: Extra-Vehicular Charged Particle Spectrometer IV-CPDS: Intra-Vehicular Charged Particle Spectrometer TEPC: Tissue Equivalent Proportional Counter RAM: Radiation Area Monitors (TLDs) PRD: Passive Radiation Dosimeter (TLDs) CPD: Crew Passive Dosimeter (TLDs, PNTD) Active instrument real-time telemetry Active instrument no real-time telemetry Passive instrument Page 9 Space Radiation Analysis Group Logo Image of TEPC on ISS Page 10 Space Radiation Analysis Group Logo Intra-Vehicular Charged Particle Directional Spectrometer (IV-CPDS) Image of IV-CPDS on ISS Page 11 Space Radiation Analysis Group Logo Extra-Vehicular Charged Particle Directional Spectrometer (EV-CPDS) Image of EV-CPDS on ISS Page 12 Space Radiation Analysis Group Logo Radiation Area Monitor Image of Radiation Area Monitor (RAM) Page 13 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive: Web-based Data Analysis System Image of SRAG Internal Website with pictures of radiation instruments on ISS and menu items on web site (SRAG Home, All Instruments, TEPC, IV-CPDS, EV1-CPDS (Forward Velocity), EVA2-CPDS ( Zenith), EV3-CPDS (Aft/Anti-Velocity)) Page 14 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive: Active Instrument Data Portals Images of SRAG Internal Website with pictures of radiation instruments on ISS and 2 menu lists from ISS Radiation Instruments web page All Instruments - Activity Log, Download & Command Log, Instrument Parameters, Anomalies, and Dose E-Mail Distribution List TEPC - 24-Hour Display, Selected Date(s) Display, Odometer, Daily Dose Display, "Tiger" Plots, L vs Time Plot Page 15 Image of ISS TEPC 24-Hour Web Displays. Current Current GMT 105/00:00:00. Instrument Mode No Signal. Alarm Status (Set Point: 5mrad/min) Nominal Serial Number 1003. Location Service module. Position Panel 336 GMT (Last Update) 105/20:38:25. Dose Rate (mrad/min) 0.0. Dose Eq. Rate (mrem/min) 0.0 Cumulative Total (since Instrument Turned On) 013/02:37:00 Dose (mrad) 87.9. Dose Eq. (mrem) 387.0 Yesterday 104. Dose (mrad) 12.4. Dose Eq. (mrem) 54 Today 105. Dose (mrad) 573.9. Dose Eq. (mrem) 2186 Last 24 Hours 104-105 00:00:00. Dose (mrad) 12.4. Dose Eq. (mrem) 54 Instrument Status Power Error. 1553 Error. CPU Error. MCA Error File Status First File 0. Last File 0. Current File 0 Real Time Monitor Code 0. Description Nominal Page 16 ISS TEPC Daily Dose Display Start Date 12/15/2001 GMT 22:19:00 End Date 05/15/2002 GMT 23:59:59 Note: ISS 4 start date & time was 12/15/2001 22:19:00. Daily Dose Summary Daily Dose (mrad) 0 - 80 Date 339 - 134 Accum. Daily Dose (mrad) 0 - 2458.40 Daily Dose Equivalent Summary Daily Dose Equiv. (mrem) 0 - 330 Date 339 - 134 Accum. Daily Dose Equiv. (mrem) 0 - 9684 Page 17 Image of ISS TEPC "Tiger" Plots Dose Rate "Tiger" Plot (Past 24 Hours) Plot of Dose Rate/Average Dose Rate for Past 6 Months Page 18 Image of ISS TEPC L vx Time Plot: 11/01/2001 to 11/15/2001 Dose from .01 to > 5.0 mrad/min graphed Page 19 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive: ISS TEPC Daily Dose/Dose Equivalent Table Image of SRAG Internal Web page for ISS TEPC data Measuremnet Date, Location, ISS Increment, Total Dose, GCR and Trapped Dose Indicated on image Page 20 Space Radiation Analysis Group Logo ISS TEPC Long-Term Dose Rate Monitoring Graph of Absorbed Dose Rate (microGy/d) - 0 - 500 over time Nov 1 2000 - Oct 2 2001 Labels for dose in SM Panel 110, SM Panel 338, SM Panel 428, SM Panel 327, SM Starboard CQ , US Lab O3/O4, SM Panel 334, US Lab S1/O1, US Lab S6/Overhead, SM Port CQ, US Lab TeSS, US Lab Aft Starboard Closeout Page 21 Space Radiation Analysis Group Logo ISS TEPC Long-Term Dose Rate Monitoring Average by Location and Monitoring Period Measurement Date Location Total Total GCR GCR Trapped Trapped Average Average Average Dose Rate Dose Equivalent Dose Rate Dose Equivalent Dose Rate Dose Equivalent Q (ICRP-26) Q (ICRP-26) Q (ICRP-26) (µGy/d) Rate (ICRP-26) (µGy/d) Rate (ICRP-26) (µGy/d) Rate (ICRP-26) Total GCR Trapped Start End (µSv/day) (µSv/day) (µSv/day) 11-Nov-00 17-Nov-00 SM-Panel-110 292 616 114 348 177 268 2.11 3.05 1.51 18-Nov-00 27-Nov-00 SM-Panel-338 269 584 114 350 154 234 2.17 3.06 1.51 02-Dec-00 18-Dec-00 SM-Panel-428 240 547 110 350 130 197 2.28 3.18 1.52 19-Dec-00 08-Jan-01 SM-Panel-327 194 481 115 355 80 126 2.47 3.09 1.58 09-Jan-01 25-Jan-01 SM-Panel-110 254 554 116 346 138 209 2.18 2.98 1.51 27-Jan-01 04-Feb-01 SM-Panel-338 175 450 122 361 53 90 2.57 2.96 1.69 05-Feb-01 27-Feb-01 SM-STBD-CQ 223 517 121 360 102 158 2.32 2.97 1.55 28-Feb-01 12-Mar-01 US-Lab-O3/O4 239 544 107 347 132 197 2.28 3.25 1.49 13-Mar-01 27-Mar-01 SM-Panel-334 217 532 129 391 89 140 2.45 3.04 1.59 12-Apr-01 31-May-01 US-Lab-S1/O1 299 646 163 444 137 202 2.16 2.73 1.48 01-Jun-01 11-Jun-01 US-Lab-S6-Overhead 292 644 174 463 118 181 2.21 2.66 1.54 12-Jun-01 25-Jun-01 SM-Panel-338 257 604 160 455 96 148 2.35 2.84 1.54 27-Jun-01 06-Aug-01 SM-Panel-327 284 634 159 453 125 181 2.23 2.85 1.45 07-Aug-01 28-Aug-01 SM-Port-CQ 299 637 153 426 146 211 2.13 2.79 1.44 29-Aug-01 10-Sep-01 SM-STBD-CQ 315 646 147 407 168 239 2.05 2.77 1.42 12-Sep-01 08-Oct-01 US-Lab-TeSS 310 636 146 398 164 237 2.05 2.72 1.45 09-Oct-01 22-Oct-01 US-Lab-Aft-STBD-Closeout 249 575 171 453 78 122 2.31 2.65 1.56 Page 22 Space Radiation Analysis Group Logo ISS TEPC: Geo-spatoa; Dpse Rate Map (Service Module, Panel 110 01-27 May 2002) Image of ISS TEPC Dose Rates: 05/01/2002 00:00:00 to 5/27/2002 23:59:59 (GMT). Scatter plot indicating dose <0.01 to > 5.0 mrad/min Page 23 Space Radiation Analysis Group Logo IV-CPDS: Geo-spatial Dose Rate Map (U.S. Lab, Rack S4, Forward 26 Apr-13 Jul 2002) Image of ISS IV-CPDS "TIGER" PLOTS Dose Rate Background Plot (6 Month Average). Dose rate measurements averaged in 5 degree X 5 Degree bins. Scatter plot indicating dose <0.01 to > 5.0 mrad/min Page 24 Space Radiation Analysis Group Logo ISS TEPC Data—Example of LET Spectra Graph indicating Differential Flux (cm2 sr day keV/um)-1 10-5 - 10+5 verses LET (keV/um) .01 - 10000 Measures of AFT Lab 23 mrad/day / 54.7 mrem/day 10/14/01 - 10/17/01 R16 = 20 mrad/day Measures of STBD CQ 30 mrad/day / 63.7 mrem/day 9/7/01 - 9/9/01 R16 = 17.5 mrad / day Page 25 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive: Automated Summary Data Distribution From: Space Radiation Analysis Group (SRAG) Sent: Sunday, May 05, 2002 7:16 PM To: CUCINOTTA, FRANCIS A. (JSC-SF2) (NASA); DARDANO, CLAIRE B. (JSC-SF2)(LM); FLANDERS, JOEL M. (JSC-SF2) (LM); GOLIGHTLY, MICHAEL J. (MIKE)(JSC-SF2) (NASA); inna@pike.net.ru; JOHNSON, A. S. (JSC-SF2) (LM); petrov@imbp.ru; SEMONES, EDWARD J. (JSC-SF2) (LM); SHELFER, TAD(JSC-SF2) (LM); srag@pike.net.ru; SMITH, GWYN E. (JSC-SN) (NASA); Space Radiation Analysis Group (SRAG); tsetlin@imbp.ru; WEYLAND, MARK D. (JSC-SF2) (LM); ZAPP, NEAL (JSC-SF2) (LM) Subject: Daily ISS TEPC and IV-CPDS Values for 05-May-2002 This is an automatically generated message from the NASA Space Radiation Analysis Group (SRAG). The values provided below are PRELIMINARY and have not been corrected for spurious values or data gaps. These values are provided for operational flight support use only and may not be published or released beyond this distribution without the express concurrence of SRAG. ISS TEPC -------- Location: Service Module, Panel 110 Mode: Data Acquisition GMT: 125/00:00:00 to 23:59:59 (05-May-2002) Dose: 21.4 mrad Dose Equivalent: 74 mrem Instrument Acquisition Time: 24 Hours, 0 Minutes (100.0%) Increment 4 MET: 151 days 1 hr. 41min. Increment 4 Dose Total: 1987.6 mrad Increment 4 Dose Equivalent Total: 7700 mrem Last File: 302 ISS IV-CPDS ----------- IV-CPDS data is not available. Instrument troubleshooting is in progress. Page 26 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive: Passive Dosimetry Data Portal SRAG Internal Web International Space Station Measurements Thermoluninescent Dosimeters Period Dosimeter Supplied By ISS Module Location Exposure Material Absorbed Absorbed Dose Number Duration (d) Dose-H2O (mGy) Dose Rate-H2O (macroGy/d) 20-May-1999 NOD1P4_03 NASA/JSC Node I Closeout panel, aft hatch, port side 375 TLD-100 99.5 ± 1.3 265.3 to (NOD1-l) 29-May-2000 20-May-1999 NOD10P2 NASA/JSC Node I Footbridge, port hatch, zenith side 375 TLD-100 99.5 ± 1.3 265.3 to (NOD1-2) 29-May-2000 20-May-1999 NODS1_02 NASA/JSC Node I Closeout panel, forward hatch, starboard side 375 TLD-100 95.2 ± 1.3 253.9 to (NOD1-3) 29-May-2000 (macroGy/d) 19-May-2000 NOD1P4_03 NASA/JSC Node I Closeout panel, aft hatch, port side 124 TLD-100 37.0 ± 0.4 298.4 to (NOD1-l) 20-May-2000 19-May-2000 NOD10P2 NASA/JSC Node I Footbridge, port hatch, zenith side 124 TLD-100 34.3 ± 0.4 276.6 to (NOD1-2) 20-May-2000 19-May-2000 NODS1_02 NASA/JSC Node I Closeout panel, forward hatch, starboard side 124 TLD-100 32.3 ± 0.3 260.5 to (NOD1-3) 20-May-2000 19-May-2000 NOD1P4_03 NASA/JSC Node I Closeout panel, aft hatch, port side 124 TLD-300 40.6 ± 0.7 327.4 to (NOD1-2) 20-May-2000 19-May-2000 NOD1OP2 NASA/JSC Node I Footbridge, port hatch, zenith side 124 TLD-300 35.7 ± 0.8 287.9 to (NOD1-3) 20-May-2000 Page 27 Space Radiation Analysis Group Logo ISS Radiation Measurement Data Archive Passive Dosimetry Data Entry Page SRAG Internal Web ISS RAM Dosimetry Report# Delivery Mission Return Mission Module 1 STS-110 sTS-111 Lab Module Go Button Mission Data Delivery Launch Date: 04/08/2002 @ 10:44:18 (GMT) Time Converstion Utility Button Return Landing Date: 06/19/2002 @ 05:58:00 (GMT) Dosimeter TLDlOO (mGy) TLD300 (mGy) TLD600 (mGy) TLD700 (mGy) Number LAB1-0S6 Blank Blank Blank Blank LAB1-D3 Blank Blank Blank Blank LABI-PD2 Blank Blank Blank Blank LABl-OSO Blank Blank Blank Blank LABl-SS Blank Blank Blank Blank Comments Blank Page 28 Image of ISS with labels for EV-CPDS, Lab S6 Overhead, Lab Window, TeSS, Lab P1/P2 Lower Stand-off, Lab Forward Page 29 Image of ISS with labels for Service Module P339, Service Module Crew Quarters, Service Module Crew Quarters, Service Module P307, Service Module P327/R-16, Service Module Window 14, Node 1-3, Airlock (under panel), Airlock (under truss), Node 1-1, Node 1-2, EV-CPDS, Lab S6 Overhead (under truss), Lab Window, TeSS, Lab P1/P2 Lower Stand-off, Lab Forward Page 30 Image of ISS with labels for Node 1-1, Airlock, Service Module Window 14, Service Module P307, Service Module P327/R-16, Service Module Crew Quarters, Service Module Crew Quarters, Service Module 339 Page 31 Space Radiation Analysis Group Logo Partial Summary Of Radiation Absorbed Dose Measurements Aboard ISS Graph with Absorbed Dose Rate (mGy/d) (0 - 0.70) verses Date (01-Jan-98 - 01-Jan-02) Graph Labels: Shuttle PRD--51.6° Inclination Shuttle TEPC Node 1 RAM Service Module RAM U.S. Lab RAM Joint Airlock RAM ISS PTE TEPC Page 32 Space Radiation Analysis Group Logo Partial Summary Of Radiation Absorbed Dose Measurements in ISS Orbit Graph with Absorbed Dose Rate (mGy/d) (0 - 0.70) verses Date (01-Jan-86 - 28-Dec-01) Graph Labels: Mir Russian CPD Data Mir R-16 D2 Detector Mir TEPC Total Dose--Core Module Mir TEPC Total Dose--Spektr Module Mir TEPC Total Dose--Kvant Module II Mir TEPC Total Dose--Priroda Module Mir TEPC Total Dose--Kristal Module NASA-Mir Service Module PRD Shuttle PRD--51.6° Inclination Shuttle TEPC Node 1 RAM Service Module RAM U.S. Lab RAM Joint Airlock RAM ISS PTE TEPC Page 33 Space Radiation Analysis Group Logo ISS Internal Volume—Relative Range of Absorbed Dose ISS Radiation Area Monitors Graph with MAX Dose Rate/Min Dose Rate verses Date ranges (20-May-99 - 17-Dec-01) Graph Labels: Airlock U.S. Node 1 U.S. Lab Service Module Entire Vehicle Page 34 Space Radiation Analysis Group Logo ISS Internal Volume—Relative Absorbed Dose Distribution ISS RAM Monitoring Graph with Exposure Relative to Average verses ISS Modules (Node 1, Service Module, Lab, Airloc) Graph Labels: 20-May-99--29-May-00 19-May-00--20-Sep-00 08-Sep-00--11-Dec-00 01-Dec-00--01-May-01 19-Apr-01--24-Jul-01 12-Jul-01--22-Aug-01 10-Aug-01--17-Dec-01 Page 35 Space Radiation Analysis Group Logo TeSS—Temporary Sleep Station • TeSS incorporates Personal Radiation Protection System (PRPS) * 5-cm-thick polyethylene panels * Shielding located on 4 of 6 volume faces – Hull – Ceiling – Aft wall *–RAM located on ceiling near hull Image of Astronaut on ISS Page 36 Space Radiation Analysis Group Logo Recent SPEs Measured at ISS—TEPC Data Scatter Plot - ISS TEPC Dose Rates: 11/04/2001 00:00:00 to 11/09/2001 23:59:59 (GMT) - Dose displayed from < 0.01 to > 5.0 mrad/min Scatter Plot - ISS TEPC Dose Rates: 11/21/2001 00:00:00 to 11/25/2001 23:59:59 (GMT) - Dose displayed from < 0.01 to > 5.0 mrad/min Scatter Plot - ISS TEPC Dose Rates: 12/26/2001 00:00:00 to 12/28/2001 23:59:59 (GMT) - Dose displayed from < 0.01 to > 5.0 mrad/min Scatter Plot - ISS TEPC Dose Rates: 04/21/2002 00:00:00 to 04/26/2002 23:59:59 (GMT) - Dose displayed from < 0.01 to > 5.0 mrad/min Page 37 Space Radiation Analysis Group Logo Recent SPEs Measured at ISS—TEPC Data Tiger Plot ISS TEPC L vx Time Plot: 11/01/2001 to 11/15/2001 - SPE: 01-09 Nov 2001 - SPE particles down to ~L=2.35 - Dose displayed from 0.01 to > 5.0 mrad/min Tiger Plot ISS TEPC L vx Time Plot: 11/18/2001 to 12/02/2001 - SPE: 22-25 Nov 2001 - SPE particles down to ~L=2.35 - Dose displayed from 0.01 to > 5.0 mrad/min Page 38 Space Radiation Analysis Group Logo Recent SPEs Measured at ISS—TEPC Data Tiger Plot ISS TEPC L vx Time Plot: 12/22/2001 to 01/05/2002 - SPE: 26-28 Dec 2001 - Dose displayed from 0.01 to > 5.0 mrad/min Tiger Plot ISS TEPC L vx Time Plot: 04/17/2002 to 05/01/2002 - SPE: 21-26 Apr 2002 - Dose displayed from 0.01 to > 5.0 mrad/min Page 39 • The data path from the ISS instruments to SRAG data servers is complex & inefficient * Efforts underway to develop secure ftp capability to automatically move data from MCC-H to SRAG data server – Available ~ Jan 2003 • JSC network configuration prohibits access to U.S. radiation instrument data by computers on non-NASA networks * Work in progress to establish U.S. radiation instrument data server outside of NASA’s network security “firewall” * New NT server procurement – Available NLT 30 Sep 2003 * Process to approve locating new server outside “firewall” underway – Approval date unknown ISS Radiation Instruments Data Flow Cyclic Data - Front End Process (FEP) - ISP Servers - server grabs data and stores data in database - Displays data on workstations - Display data in Browser Download Data (TEPC Only) - Connect instrument to computer - Files pulled down to server - data pushed to SRAG server Dump Data - Page 40 Space Radiation Analysis Group Logo Planned work for next year . . . • Upload and install next IV-CPDS software upgrade (Sep/Oct 2002) • Upgrade ISS radiation measurement data analysis/archive system (Sep-Dec 2002) * More robust NT server * Move data server outside “firewall” * Migrate database to MS SQL server • Compute ISS as-flown ephemeris from Nov 1998 to present • Backfill missing ISS TEPC and IV-CPDS cyclic data from NASA ODRC system • Expand routine acquisition of space environment parameters • Continue to troubleshoot instrument data file problems * “Scrambled” ISS TEPC data downloaded via 1553B * Data time-tag errors Page 41 Space Radiation Analysis Group Logo Planned work for next year . . . • Make final adjustments to IV-CPDS and EV-CPDS instrument operating parameters (Sep-Dec 2002) • Switch instrument data file download mechanism from 1553B/S- band to Ku-band * Much higher telemetry rates * Reduced telemetry time requirements * Reduced data loss due to insufficient telemetry availability • Develop improved telemetry processing software * Increased automation * Increased automatic error checking • Begin conversion of processed instrument data to CDF file format • Participate in ICCHIBAN 3 & 4 dosimeter intercomparisons