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Award ID | Description | Recipient | Total Value | Awarding Agency | Funding Agency | Set Aside | NAICS | PSC | Award Date | Start Date | End Date | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EXECUTE A BALANCED SCIENCE PROGRAM BASED ON DISCIPLINE-SPECIFIC GUIDANCE FROM THE NATIONAL ACADEMIES OF SCIENCES, ENGINEERING, AND MEDICINE, ADMINISTRATION PRIORITIES, AND DIRECTION FROM CONGRESS. PARTICIPATE AS A KEY PARTNER AND ENABLER IN THE AGENC | ADNET SYSTEMS INC | $255,394 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AJ11GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH | Mar 4, 2026 | Feb 16, 2026 | Feb 15, 2029 | ||
| SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER. | ADNET SYSTEMS INC | $500 | MISSILE DEFENSE AGENCY (MDA) | MISSILE DEFENSE AGENCY (MDA) | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AC13NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; EXPERIMENTAL DEVELOPMENT | Dec 5, 2025 | Dec 29, 2025 | Dec 28, 2035 | ||
| EXECUTE A BALANCED SCIENCE PROGRAM BASED ON DISCIPLINE-SPECIFIC GUIDANCE FROM THE NATIONAL ACADEMIES OF SCIENCES, ENGINEERING, AND MEDICINE, ADMINISTRATION PRIORITIES, AND DIRECTION FROM CONGRESS. PARTICIPATE AS A KEY PARTNER AND ENABLER IN THE AGENCY S EXPLORATION INITIATIVE, FOCUSING ON SCIENTIFIC RESEARCH OF, ON, AND FROM THE MOON, LUNAR ORBIT, MARS, AND BEYOND. ADVANCE DISCOVERY IN EMERGING FIELDS BY IDENTIFYING AND EXPLOITING CROSS DISCIPLINARY OPPORTUNITIES BETWEEN TRADITIONAL SCIENCE DISCIPLINES DEVELOP A DIRECTORATE-WIDE, TARGET-USER FOCUSED APPROACH TO APPLIED PROGRAMS, INCLUDING EARTH SCIENCE APPLICATIONS, SPACE WEATHER, PLANETARY DEFENSE, AND SPACE SITUATIONAL AWARENESS. | ADNET SYSTEMS INC | $697,297 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AJ11GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH | Apr 7, 2025 | Mar 31, 2025 | Mar 30, 2028 | ||
| NASA'S TRANSFORMATION TO OPEN SCIENCE DEMANDS SUPPORT FOR GRASSROOTS TRANSFORMATION THROUGHOUT THE PROCESS OF DISCOVERY. IN OUR DOMAIN, SOFTWARE PRACTITIONERS IN HELIOPHYSICS NEED SMALL WORKSHOPS TO GIVE MEMBERS OF THAT COMMUNITY SPACE TO DISCUSS HOW TO BETTER COLLABORATE, HOW TO BUILD ON EACH OTHER'S WORK MORE EFFICIENTLY, AND WHAT BEST PRACTICES AND STANDARDS THOSE GROUPS WISH TO ADOPT TO MEET THOSE GOALS. IN THAT VEIN, WE PROPOSE TO COORDINATE A SCIENCE SOFTWARE WORKSHOP FOCUSING ON IMPROVING OPEN SCIENCE PRACTICES FOR MISSION-RELATED AND MODEL-RELATED SOFTWARE DEVELOPMENT IN HELIOPHYSICS. ATTENDEES ARE EXPECTED TO BE INVOLVED IN EITHER MISSION-RELATED OR MODEL-RELATED SOFTWARE IN HELIOPHYSICS AT ANY CAREER STAGE FROM A RANGE OF SPECIALIZATIONS IN SOFTWARE. THIS WORKSHOP WILL GIVE ATTENDEES A UNIQUE OPPORTUNITY TO DISCUSS POTENTIAL COLLABORATIONS ON SOFTWARE WITH OTHERS ACROSS INSTITUTIONS AND TO GIVE THEM A PLACE TO DISCUSS WHAT BEST PRACTICES AND STANDARDS WOULD HELP THEM COLLABORATE WITH AND BUILD ON OTHER'S WORK MORE EFFICIENTLY. WE COMPLEMENT THE DATA, ANALYSIS AND SOFTWARE IN HELIOPHYSICS (DASH) WORKSHOP BY FOCUSING ON TWO SPECIFIC SOFTWARE TYPES, MODEL-RELATED AND MISSION-RELATED SOFTWARE, THAT WILL BEST BENEFIT FROM SUCH FOCUSED CONVERSATIONS, AND INTEND THOSE CONVERSATIONS TO CONTINUE AT THIS YEAR'S DASH MEETING AND OTHER RELATED WORKSHOPS. WE ARE ALSO CO-LOCATED WITH THE SECOND OF THE DATA SYSTEMS ARCHITECTURE WORKSHOPS LED BY GREG LUCAS ON MISSION-RELATED SOFTWARE (NNH22ZDA001N) AT THE UNIVERSITY OF IOWA (AUG 12-13) TO INCREASE EASE OF ACCESS TO THOSE ATTENDEES. SINCE THE UNIVERSITY OF IOWA HAS AGREED TO PROVIDE SOME ACCOMMODATIONS WITHOUT CHARGE, WE EXPECT OUR FUNDING REQUEST TO BE ROUGHLY $80K, WHICH WILL COVER THE TIME OF COMMITTEE MEMBERS IN NEED OF FUNDING FOR THIS EFFORT, TRAVEL HONORARIA FOR SESSION FACILITATORS, AND THE LOGISTICS OF THE MEETING NOT COVERED BY THE UNIVERSITY OF IOWA. | ADNET SYSTEMS INC | $81,046 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AJ11GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH | Feb 27, 2025 | Dec 10, 2024 | Dec 9, 2025 | ||
| 23-SAGEIII23-0017, THE ROLE OF SAGE III/ISS AND OTHER GLOBAL SPACE-BASED AEROSOL MEASUREMENTS IN ADVANCING AND SUSTAINING GLOSSAC | ADNET SYSTEMS INC | $401,251 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AJ11GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH | Jul 11, 2024 | Jun 1, 2024 | May 31, 2027 | ||
| SPACE AND EARTH SCIENCES DATA ANALYSIS (SESDA V) | ADNET SYSTEMS INC | $360,000,000 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AR11SPACE R&D SERVICES; SPACE FLIGHT, RESEARCH AND SUPPORTING ACTIVITIES; BASIC RESEARCH | Jan 4, 2023 | Apr 1, 2023 | Mar 31, 2028 | ||
| SPACE AND EARTH SCIENCES DATA ANALYSIS (SSSDA) V PHASE IN EFFORT | ADNET SYSTEMS INC | $0 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | AR12SPACE R&D SERVICES; SPACE FLIGHT, RESEARCH AND SUPPORTING ACTIVITIES; APPLIED RESEARCH | Jan 4, 2023 | Jan 31, 2023 | Mar 31, 2023 | ||
| THIS PROJECT AIMS TO LINK STRUCTURES IN THE SOLAR WIND, MEASURED IN SITU BY THE PARKER SOLAR PROBE (PSP), TO OUTFLOWS OBSERVED IN EXTREME ULTRAVIOLET (EUV) AND WHITE LIGHT (WL) IMAGES OF THE SUN AND SOLAR CORONA. INVESTIGATING THE CONNECTION BETWEEN | ADNET SYSTEMS INC | $181,888 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AJ11GENERAL SCIENCE AND TECHNOLOGY R&D SERVICES; GENERAL SCIENCE AND TECHNOLOGY; BASIC RESEARCH | Sep 27, 2021 | Sep 20, 2021 | Sep 19, 2026 | ||
| PROCUREMENT FOR TEAM MEMBERSHIP FROM ADNET SYSTEMS, INC., INSUPPORT OF THE NASA ENGINEERING AND SAFETY CENTER GN&C TECHNICALDISCIPLINE TEAM | ADNET SYSTEMS INC | $112,342 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541330Engineering Services | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Mar 15, 2021 | Mar 15, 2021 | Mar 31, 2026 | ||
| WE AIM TO UNDERSTAND THE UNDERLYING PHYSICS THAT CONNECTS THE FEATURES WITH A SIZE-SCALE OF UP TO 3000 MM IN THE LOW CORONA TO THE SOLAR WIND BY ANALYZING SOLAR IMAGING DATA FOR SEVERAL TIME PERIODS AT DIFFERENT PARTS OF SOLAR CYCLE 24. | ADNET SYSTEMS INC | $369,483 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Jul 22, 2020 | May 13, 2020 | May 10, 2025 | ||
| CLE ADMIN SUPPORT | ADNET SYSTEMS INC | $1,649,934 | DEFENSE COUNTERINTELLIGENCE AND SECURITY AGENCY (DCSA) | DEFENSE COUNTERINTELLIGENCE AND SECURITY AGENCY (DCSA) | — | 541511Custom Computer Programming Services | D301 | Sep 11, 2019 | Sep 28, 2019 | Mar 27, 2025 | ||
| SCIENCE GOALS AND OBJECTIVES: TO CONSTRAIN THE PARAMETERS OF NANOFLARE HEATING MODELS THAT GENERATE SUFFICIENT THERMAL ENERGY TO HEAT ACTIVE REGIONS (ARS). IT HAS BEEN KNOWN FOR DECADES THAT THE OVERLYING SOLAR CORONA IS MUCH HOTTER THAN THE UNDERLYING PHOTOSPHERE. ALSO, THE REQUIRED ENERGY DEPOSITION RATE IS MUCH HIGHER IN ARS COMPARED TO CORONAL HOLES OR THE QUIET SUN. MANY STUDIES HAVE SHOWN THAT AN ENERGY DEPOSITION MECHANISM MUST BE OPERATING IN THE SOLAR CORONA TO MAINTAIN THE TEMPERATURES OBSERVED. A LEADING THEORY IS THAT THE CORONA IS HEATED BY LARGE NUMBER OF SMALL ENERGY RELEASE EVENTS KNOWN AS NANOFLARES. A SUFFICIENTLY LARGE NUMBER OF NANOFLARES, WITH SUFFICIENTLY HIGH OCCURRENCE RATE, CAN PROVIDE ENOUGH ENERGY TO HEAT THE CORONA. INSTRUMENTATION LIMITATIONS MEAN THAT NANOFLARES ARE NOT OBSERVED DIRECTLY: THEREFORE, MUCH OF THE EVIDENCE FOR THEIR EXISTENCE IS INFERRED FROM OBSERVATIONS AND NUMERICAL MODELING. DETERMINING THE ENERGY DISTRIBUTION AND OCCURRENCE RATE OF NANOFLARES IN THE AR CORONA WOULD BE A HUGE STEP FORWARD IN OUR UNDERSTANDING OF HEATING IN CORONAL PLASMAS. VIALL&KLIMCHUK 2011, 2013, 2014, 2017 HAVE SHOWN THAT THE TIMING OF AR CORONAL EMISSION BRIGHTENINGS IN MULTIPLE CHANNELS OF SOLAR DYNAMICS OBSERVATORY ATMOSPHERIC IMAGING ASSEMBLY (SDO/AIA) FOLLOWS THAT EXPECTED FROM SIMULATIONS OF A NANOFLARE-HEATED CORONA. USING NUMERICAL HYDRODYNAMIC RADIATIVE EMISSION MODEL FOR THE SOLAR ATMOSPHERE (HYDRAD)-BASED SIMULATIONS OF AIA EMISSION FOR AN AR, BRADSHAW&VIALL 2016 HAVE SHOWN THAT THE TIMING OF CORONAL EMISSION BRIGHTENINGS IS DEPENDENT ON THE PROPERTIES OF THE NANOFLARE ENERGY DISTRIBUTION AND OCCURRENCE RATE. RELATEDLY, IRELAND ET AL. 2015 SHOW THAT AVERAGE POWER SPECTRA P(F) (WHERE F IS FREQUENCY) OF TIME SERIES OF AIA 171 AND 193 AR IMAGES ARE DOMINATED BY POWER LAWS, P(F)~F^(-Z), Z>0. IRELAND ET AL. 2015 SHOW THAT A DISTRIBUTION OF EXPONENTIALLY DECAYING EVENTS OF EMISSION E ALONG THE LINE-OF-SIGHT (LOS), WHERE N(E)~E^(-M) AND THE SIZE OF THE EMISSION DEPENDS ON ITS DURATION T SUCH THAT E~T^K CREATES A POWER LAW POWER SPECTRUM P(F)~F^-K(2-M). CONSEQUENTLY, WE HYPOTHESIZE THAT A DISTRIBUTION OF NANOFLARE EVENTS CAUSES BOTH THE EMISSION POWER-LAW POWER SPECTRUM IN AIA TIME-SERIES AS WELL AS THE OBSERVED BRIGHTENING TIME-LAGS. THEREFORE, WE WILL USE THE AIA EMISSION POWER-LAW POWER SPECTRA AND BRIGHTENING TIME-LAGS IN COMBINATION FOR THE FIRST TIME AS CONSTRAINTS ON THE ENERGY DISTRIBUTION AND OCCURRENCE RATE OF NANOFLARES. METHODOLOGY: WE WILL STUDY THE FOURIER POWER SPECTRA OF THE EMISSION GENERATED BY SIMULATED NANOFLARE ENERGY DEPOSITION EVENTS, AND COMPARE THAT TO THE OBSERVED FOURIER POWER SPECTRA FOR THE ARS STUDIED BY VIALL&KLIMCHUK 2012, 2017 AND WARREN ET AL. 2012. WE WILL USE THE ENTHALPY BASED THERMAL EVOLUTION OF LOOPS (EBTEL) AND HYDRAD NUMERICAL MODELS APPLIED TO AR MAGNETIC SKELETONS TO CALCULATE THE EMISSION ALONG THE LOS. THE TOTAL EMISSION MEASURE WILL THEN BE FOLDED THROUGH THE INSTRUMENT RESPONSE OF AIA. BY COMPARING THE OBSERVED AND SIMULATED AIA POWER SPECTRA IN ALL CHANNELS, AND SIMULTANEOUSLY REQUIRING THAT THE OBSERVED AND SIMULATED AIA EMISSION HAVE THE SAME CROSS-AIA CHANNEL TIME-LAG PROPERTIES, WE WILL DISCOVER IMPORTANT NEW CONSTRAINTS ON THE POSSIBLE DISTRIBUTIONS AND FREQUENCY RATES OF NANOFLARES THAT REPRODUCE THE OBSERVED EMISSION. THIS WILL HELP ANSWER A FUNDAMENTAL QUESTION IN SOLAR PHYSICS - WHY IS THE CORONA HOT? RELEVANCE TO THE HELIOPHYSICS DECADAL SURVEY: ANSWERS TWO HIGH LEVEL SCIENCE GOALS (1) DETERMINE THE ORIGINS OF THE SUN S ACTIVITY AND PREDICT THE VARIATIONS IN THE SPACE ENVIRONMENT AND (2) DISCOVER AND CHARACTERIZE FUNDAMENTAL PROCESSES THAT OCCUR BOTH WITHIN THE HELIOSPHERE AND THROUGHOUT THE UNIVERSE. WE WILL USE DATA ALREADY AVAILABLE FROM NASA MISSIONS (SDO) AND NUMERICAL SIMULATION (EBTEL AND HYDRAD). | ADNET SYSTEMS INC | $0 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Aug 24, 2018 | Jun 26, 2018 | Aug 24, 2018 | ||
| OUR PROPOSED PROJECT GOAL IS TO MINE THE TWITTER DATABASE TO AUGMENT THE VALIDATION PROGRAM OF THE NASA GLOBAL PRECIPITATION MEASUREMENT (GPM) MISSION. OUR PROJECT WOULD ALSO HELP EXTEND THE APPLICATION REALM OF TWITTER, AS A PLATFORM FOR CITIZEN SCIENCE, TO SIMILAR SCIENCE MISSIONS IN GENERAL. SUCH A DEMONSTRATION OF THE VALUE OF TWITTER TO THE SCIENCE RESEARCH COMMUNITY WOULD BRING A NEW KIND OF VISIBILITY TO TWITTER AND ENGENDER A NEW KIND OF APPRECIATION OF THE VALUE OF TWITTER BY USER COMMUNITIES SUCH AS THAT OF NASA. | ADNET SYSTEMS INC | $42,647 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Oct 18, 2017 | Oct 18, 2017 | Feb 26, 2018 | ||
| THE ESSENCE OF THIS PROPOSAL IS TO USE GPS RADIO OCCULTATION DATA FOR COMPARISON OF OBSERVED PATH DELAYS FROM THESE OBSERVATIONS WITH PREDICTED PATH DELAYS FROM THE NUMERICAL WEATHER MODELS THAT ARE USED FOR PROCESSING ICESAT DATA. THE DIFFERENCES WILL BE USED FOR DERIVING THE ERROR MODEL OF ATMOSPHERIC PATH DELAY CORRECTIONS OF ALTIMETRY DATA OVER ANTARCTICA AND GREENLAND. SINCE THERE ARE TOO FEW METEOROLOGICAL STATIONS IN THE INNER PARTS OF ANTARCTICA AND GREENLAND, THE GPS RADIO OCCULTATIONS WILL BE USED AS THE GROUND TRUTH. THE NEAR TERM GOAL IS TO EVALUATE THE CONTRIBUTION OF THE UNCERTAINTY OF OUR KNOWLEDGE OF THE STATE OF THE ATMOSPHERE TO ESTIMATES OF ICE MASS LOSS IN ANTARCTICA AND GREENLAND AND ITS SEASONAL VARIATIONS. IN PARTICULAR, WE WILL EVALUATE SYSTEMATIC ERRORS IN PATH DELAY, SEASONAL VARIATIONS, AND THE SECULAR TREND. SEASONAL ERRORS MAY CAUSE BIASES IN ESTIMATES OF ICE MASS BALANCE DERIVED FROM SATELLITE ALTIMETRY. AS A LONG TERM GOAL, WE WILL EVALUATE THE FEASIBILITY OF USING RADIO OCCULTATION DATA NOT ONLY FOR THE CHARACTERIZATION OF PATH DELAY ERRORS, BUT FOR AN IMPROVEMENT IN COMPUTATION OF PATH DELAY FOR PROCESSING ICESAT-2 DATA. WE WILL DERIVE AN EMPIRICAL MODEL OF BIASES IN PATH DELAYS AND EVALUATE WHETHER THE BIAS CORRECTION MERITS PROCESSING ICESAT-2 DATA OVER ANTARCTICA AND GREENLAND. IN A CASE IF THE EVIDENCE WILL BE COLLECTED IN FAVOR OF THIS MODEL, THE EXPERIENCE GAINED IN PROCESSING RO DATA WILL HELP TO FORMULATE RECOMMENDATIONS FOR MODIFICATION OF THE DATA ANALYSIS PROCEDURE TAKING INTO ACCOUNT ALL ISSUES OF LOGISTICS. | ADNET SYSTEMS INC | $49,984 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Oct 13, 2017 | Oct 13, 2017 | Feb 28, 2018 | ||
| THE MAIN GOALS OF OUR STUDY ARE (A) TO OBTAIN IMPROVED AND SELF-CONSISTENT ESTIMATES OF COMPLIANCES THAT DESCRIBE THE RESPONSE OF THE NON-RIGID EARTH TO EXTERNAL TORQUES AND GEOPHYSICAL EXCITATIONS, ALONG WITH REALISTIC ERROR ESTIMATES; (B) TO CLOSE THE BUDGET OF THE EXCITATION AND DISSIPATION OF THE FCN OR TO ESTABLISH THAT THE BUDGET CANNOT BE CLOSED WITHIN UNCERTAINTIES OF GEODETIC OBSERVATIONS. OUR PRIMARY GEODETIC DATA WILL BE VERY LONG BASELINE INTERFEROMETRY (VLBI) GROUP DELAYS. | ADNET SYSTEMS INC | $19,763 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Oct 13, 2017 | Oct 13, 2017 | Oct 18, 2018 | ||
| IGF::OT::IGF SPACE AND EARTH SCIENCES DATA ANALYSIS (SESDA) THE PURPOSE OF THIS CONTRACT IS TO PROVIDE A BROAD RANGE OF SERVICES TO SUPPORT PRIMARILY SCIENCES AND EXPLORATION DIRECTORATE (SED, CODE 600) EARTH AND SPACE SCIENCE RESEARCH AND DEVELOPMENT, DATA OPERATIONS, AS WELL AS ACTIVITIES IN INFORMATION SYSTEM TECHNOLOGIES, ENGINEERING, AND SCIENCE COMMUNICATION, EDUCATION AND PUBLIC OUTREACH, THAT ENABLE CODE 600 TO SUCCESSFULLY CARRY OUT ITS SCIENCE MISSIONS AT THE GODDARD SPACE FLIGHT CENTER (GSFC). SED SCIENCE RESEARCH AND DEVELOPMENT ACTIVITIES AND FUNDING ARE CLOSELY ALIGNED TO NASA'S SCIENCE PROJECTS AND PROGRAMS. SCIENCE DATA SYSTEMS IN THE SED EXIST TO ENABLE THE PRODUCTION OF SCIENCE RESULTS. SED SCIENCE DATA OPERATIONS ARE DRIVEN PRIMARILY BY SCIENCE DISCIPLINE-SPECIFIC NEEDS AND DISCIPLINE-SPECIFIC APPROACHES TO HOW DATA ARE MOST EFFECTIVELY AND EFFICIENTLY MADE AVAILABLE AND USEFUL TO DISCIPLINE RESEARCH COMMUNITIES. THE SERVICES REQUIRED UNDER THIS CONTRACT SUPPORT ALL THE SCIENCE DISCIPLINES WITHIN CODE 600, INCLUDING, BUT NOT LIMITED TO, THE STUDY OF THE EARTH, THE SUN, OUR SOLAR SYSTEM AND THE UNIVERSE. RESEARCH AND INFORMATION TECHNOLOGY SUPPORT SERVICES INCLUDES SCIENTIFIC DATA ANALYSIS AND VISUALIZATION, MODELING AND SIMULATION OF PHYSICAL PROCESSES, DEVELOPMENT AND TESTING OF FLIGHT PROJECT INSTRUMENT AND DATA SYSTEMS, FIELD EXPERIMENTS, DEVELOPMENT AND OPERATIONS OF LARGE-SCALE DATA MANAGEMENT, ARCHIVAL AND DELIVERY SYSTEMS, SYSTEMS ANALYSIS, AND PROGRAMMING AND INCLUDES ENGINEERING, TECHNOLOGY, RESEARCH AND DEVELOPMENT, NETWORK ENGINEERING, AND EDUCATION AND PUBLIC OUTREACH. THE CONTRACTOR SHALL SUPPORT BOTH ONGOING AND NEW PROJECTS AS REQUIRED IN ALL THESE AREAS. WORK DEFINED UNDER THIS CONTRACT IS PRIMARILY FUNDED BY THE SED (CODE 600) ALTHOUGH OTHER DIRECTORATES SUCH AS THE FLIGHT PROJECTS DIRECTORATE (CODE 400), THE APPLIED ENGINEERING AND TECHNOLOGY DIRECTORATE (CODE 500), AND THE INFORMATION TECHNOLOGY AND COMMUNICATIONS DIRECTORATE (CODE 700) CAN UTILIZE THIS CONTRACT WHEN APPROPRIATE. THESE DIRECTORATES HAVE PIVOTAL ROLES IN NASA'S MISSION TO PIONEER THE FUTURE IN SPACE EXPLORATION, SCIENTIFIC DISCOVERY, AND AERONAUTICS RESEARCH. GSFC ALSO HAS OTHER AREAS OF STRATEGIC RESPONSIBILITY THAT SUPPORT NASAS PROGRAMS AND NEW FOCUS AREAS ARE OCCASIONALLY DEFINED BY NASA HEADQUARTERS. MOST OF THE SERVICES PROVIDED WILL BE IN DIRECT SUPPORT TO THE SCIENCE, FLIGHT PROGRAMS, INFORMATION TECHNOLOGY AND ENGINEERING ORGANIZATIONAL ENTITIES AT GSFC. THE TECHNICAL PERFORMANCE REQUIREMENTS FOR THIS CONTRACT ARE DEFINED BELOW BY CATEGORY WITH EXPANDED DEFINITIONS. | ADNET SYSTEMS INC | $307,934,184 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541712 | AR21 | Aug 9, 2017 | Oct 1, 2017 | Mar 31, 2023 | ||
| THE TWITTER DATA SET IS, POTENTIALLY, A RICH SOURCE OF INFORMATION FOR SCIENCE APPLICATIONS. OVER THE PAST SEVERAL YEARS, AS RESOURCES PERMIT, WE HAVE BEEN INVESTIGATING THE FEASIBILITY OF EXTRACTING FROM THE TWITTER DATA STREAM--WITHOUT ACTIVELY SOLICITING INPUTS-- USEFUL INFORMATION FOR APPLICATION TO NASA PRECIPITATION RESEARCH. THERE HAVE BEEN SIMILAR USES OF TWITTER AND OTHER SOCIAL MEDIA, MOSTLY RELATED TO NATURAL HAZARDS MONITORING AND MANAGEMENT, IN WHICH THE PARTICIPANTS KNOWINGLY AND ACTIVELY CONTRIBUTE. TWO EXAMPLES ARE THE SNOWTWEETS PROJECT (HTTP://SNOWCORE.UWATERLOO.CA/SNOWTWEETS/) AND METEOROLOGICAL PHENOMENA IDENTIFICATION NEAR THE GROUND (MPING; HTTP://MPING.NSSL.NOAA.GOV/). OTHER SUCH USES DEAL WITH EARTHQUAKES, VOLCANOES, AIR POLLUTION, ETC. BOTH CASES OF PASSIVE AND ACTIVE ENGAGEMENTS BY PARTICIPATING CITIZEN SCIENTISTS HOLD POTENTIAL FOR, E.G., AUGMENTING VALIDATION PROGRAMS OF NASA SATELLITE PRECIPITATION MISSIONS. IN THE PASSIVE CASE, WE HAVE EXPERIMENTED WITH LISTENING TO THE TWITTER STREAM FOR RAIN AND RELATED TWEETS, IN DIFFERENT LANGUAGES, AND MAPPING THEIR RESULTING DISTRIBUTION. OUR APPROACH SEEMS PROMISING FOR DEMONSTRATING NOT ONLY A UNIQUE APPLICATION OF TWITTER BUT ALSO A DEEPER POWER RESIDING WITHIN THE TWITTER DATA SET. THE TIME-VARYING SET OF RAIN TWEETS, E.G., CAN BE THOUGHT OF AS AN ORGANIC NETWORK OF RAIN GAUGES. ISSUES THAT WE NEED TO MORE FULLY ADDRESS INCLUDE (1) FILTERING FOR QUALITY TWEETS, (2) GEOLOCATION QUALITY, AND (3) IRREGULAR LOCATIONS OF TWEETS. IN THE ACTIVE CASE, WE HAVE CONDUCTED VERY PRELIMINARY EXPERIMENTS TO EVALUATE DIFFERENT METHODS OF ENGAGING WITH POTENTIAL PARTICIPANTS. FOR EXAMPLE, WE HAVE REPLIED TO RAIN TWEETS WITH TRMM IMAGES GENERATED BY NASA GIOVANNI, CENTERED ON THE TWEET LOCATIONS. (FOR THE PURPOSE OF THE EXPERIMENT, OUR REPLIES ACTUALLY WERE DIRECTED TO A SPECIALLY CREATED TWITTER ACCOUNT OF OURS.) WE HAVE ALSO CONSIDERED USING ONLINE GAMES TO RECRUIT POTENTIAL ACTIVE PARTICIPANTS. WE BELIEVE OUR APPROACH, WHICH DOES NOT REQUIRE PARTICIPANTS TO EXPLICITLY SIGN UP TO CONTRIBUTE AS CITIZEN SCIENTISTS, EVEN IN THE ACTIVE CASE, IS MORE ROBUST. PARTICIPANTS WHO ROUTINELY USE TWITTER WOULD CONTINUE TO DO SO. THE SCIENCE RATIONALE FOR MINING RAIN AND RELATED TWEETS IS TO POTENTIALLY OBTAIN A WIDESPREAD VIEW OF RAIN OCCURRENCE. ASSUMING THE TWEETS ARE OF REASONABLE QUALITY, THE TWO MAIN SCIENCE ISSUES ARE (1) THE RESULTS ARE MOSTLY ONLY QUALITATIVE (NO RAIN RATE INFORMATION) AND (2) THE RESULTS ARE ONLY POSITIVE (NO DIRECT NO-RAIN REPORTS), THOUGH THERE ARE POSSIBLE WAYS TO MITIGATE THESE ISSUES. CURRENTLY, THE RAIN/NO-RAIN BOUNDARY IS SUBJECT TO CONSIDERABLE UNCERTAINTY, WHEN GAUGE STATIONS OR SATELLITE OVERPASSES ARE SPARSE. RAIN TWEETS COULD HELP CONSTRAIN THIS BOUNDARY. THE DEVELOPMENT OF SUCH AN APPLICATION OF TWITTER WOULD TAKE PLACE MAINLY IN THE U.S., WHERE THERE IS A HIGH DENSITY OF DATA. ACTUAL APPLICATIONS WOULD BE MOSTLY OUTSIDE THE U.S., BECAUSE, IN MANY OF THOSE REGIONS, THE RELEVANT MEASUREMENTS ARE FREQUENTLY SPARSE, INACCESSIBLE, OR NON-EXISTENT. OUR PROPOSED PROJECT GOAL IS TO MINE THE TWITTER DATABASE TO AUGMENT THE VALIDATION PROGRAM OF THE NASA GLOBAL PRECIPITATION MEASUREMENT (GPM) MISSION. OUR PROJECT WOULD ALSO HELP EXTEND THE APPLICATION REALM OF TWITTER, AS A PLATFORM FOR CITIZEN SCIENCE, TO SIMILAR SCIENCE MISSIONS IN GENERAL. SUCH A DEMONSTRATION OF THE VALUE OF TWITTER TO THE SCIENCE RESEARCH COMMUNITY WOULD | ADNET SYSTEMS INC | $24,855 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Mar 14, 2017 | Feb 27, 2017 | Feb 28, 2018 | ||
| EXCITATION AND DISSIPATION OF THE FREE CORE NUTATION THE FREE CORE NUTATION (FCN) IS ONE OF EARTH'S FUNDAMENTAL ROTATIONAL NORMAL MODES. IT ARISES BECAUSE THE FLUID CORE IS CONFINED WITHIN AN ELLIPSOIDAL MANTLE WHOSE ROTATION AND FIGURE AXES NEED NOT COINCIDE. IN THE TERRESTRIAL REFERENCE FRAME, THE ASSOCIATED MOTION IS A NEARLY DIURNAL FREE WOBBLE (NDFW). ANALYSIS OF THE FCN (OR THE NDFW) ALLOWS US TO STUDY CERTAIN UNIQUE PROPERTIES OF THE EARTH; A CLASSIC EXAMPLE (GWINN, 1986) WAS USING THE FCN TO DETERMINE THE ELLIPTICITY OF THE CORE-MANTLE BOUNDARY. OUR PROPOSAL AIMS TO IMPROVE OUR KNOWLEDGE OF THE FCN EXCITATION AND DISSIPATION, AND THE GEOPHYSICAL INTERPRETATION OF FCN EFFECTS. AN IMPORTANT ASPECT IS TO IMPROVE THE MODELING OF ATMOSPHERIC AND OCEANIC CONTRIBUTIONS TO THE OBSERVED NUTATION, SINCE AN IMPROPER ACCOUNTING OF THESE CAN BIAS THE RESPONSE ESTIMATES. THE MAIN GOALS OF OUR STUDY ARE (A) TO OBTAIN IMPROVED AND SELF-CONSISTENT ESTIMATES OF COMPLIANCES THAT DESCRIBE THE RESPONSE OF THE NON-RIGID EARTH TO EXTERNAL TORQUES AND GEOPHYSICAL EXCITATIONS, ALONG WITH REALISTIC ERROR ESTIMATES; (B) TO CLOSE THE BUDGET OF THE EXCITATION AND DISSIPATION OF THE FCN OR TO ESTABLISH THAT THE BUDGET CANNOT BE CLOSED WITHIN UNCERTAINTIES OF GEODETIC OBSERVATIONS. OUR PRIMARY GEODETIC DATA WILL BE VERY LONG BASELINE INTERFEROMETRY (VLBI) GROUP DELAYS. THIS WILL BE ACHIEVED BY (1) INCORPORATING INTO OUR DATA ANALYSIS THE NON-GRAVITATIONAL FORCINGS FROM THE LATEST ADVANCED TIDAL AND NONTIDAL OCEANIC MODELS AND ATMOSPHERIC MODELS; (2) IMPROVING THE OCEAN TIDE MODEL AT PSI1 TIDE (CRITICAL BECAUSE ITS FREQUENCY IS SO CLOSE TO THE NDFW FREQUENCY); AND (3) ESTIMATING PARAMETERS OF THE NUTATION TRANSFER FUNCTION DIRECTLY FROM VLBI GROUP DELAYS WITHOUT RESORTING TO INTERMEDIATE TIME SERIES. IN PAST EFFORTS THE PSI1 OCEAN TIDE HAS NEVER BEEN HANDLED CORRECTLY. THIS IS BECAUSE, UNLIKE ANY OTHER TIDE, IT IS FORCED ABOUT EQUALLY BY THE GRAVITATIONAL TIDAL POTENTIAL AND BY RADIATIONAL EFFECTS OF THE ATMOSPHERIC TIDES. WE PROPOSE TO DETERMINE THE PSI1 BAROMETRIC PRESSURE TIDE FROM SEVERAL MODERN ANALYSES AND REANALYSES OF NUMERICAL WEATHER CENTERS. WE WILL BE GUIDED BY AN EXTENSIVE NETWORK OF BAROMETER MEASUREMENTS THAT WE HAVE BUILT UP OVER SEVERAL YEARS AND WHICH WE HAVE PREVIOUSLY USED TO STUDY THE S1 AND S2 AIR TIDES. WE WILL USE THE RESULTING AIR-TIDE MODEL TO FORCE A NUMERICAL OCEAN-TIDE MODEL THAT WE HAVE PREVIOUSLY USED TO STUDY THE S1 OCEAN TIDE. THE RESULTS, COMBINED WITH THE NOMINALLY EASIER GRAVITATIONAL PART, SHOULD RESULT IN A MUCH MORE REALISTIC MODEL OF THE PSI1 OCEAN TIDE THAT IS ESSENTIAL TO MITIGATE SYSTEMATIC ERRORS IN DETERMINING THE STRENGTH AND SHAPE OF THE FCN. WE WILL MODIFY THE WELL-KNOWN NEMO OCEAN MODEL TO COMPUTE OCEANIC ANGULAR MOMENTUM AND BOTTOM PRESSURE ON THE FLY AND TO STORE THESE DATA WITH A TIME RESOLUTION OF ONE HOUR. THE OCEAN DATA, COMBINED WITH PRESSURE AND WIND DATA FROM NUMERICAL WEATHER CENTERS, WILL SUPPLY NEW ANGULAR MOMENTUM CORRECTIONS FOR REANALYSIS OF VLBI NUTATION DATA, AGAIN LEADING TO BETTER DETERMINED FCN PARAMETERS. WE ANTICIPATE THE NEMO DATA WILL BENEFIT A WIDE RANGE OF EARTH SCIENCE STUDIES, NOT JUST OUR OWN. WE PROPOSE TO REANALYZE VLBI GROUP DELAYS FROM 1984 THROUGH PRESENT. WE WILL FIT PARAMETERS OF THE MODEL THAT RELATE THE OBSERVED SPECTRUM TO THE EXTERNAL GRAVITATIONAL EXCITATION EXERTED BY THE MOON, SUN, AND PLANETS AND TO INTERNAL EXCITATIONS CAUSED BY THE OCEANIC AND ATMOSPHERIC DYNAMICS. THE PARAMETERS OF THE MODEL WILL INCLUDE COMPLIANCES SUCH AS DYNAMIC ELLIPTICITY OF THE WHOLE EARTH AND THE CORE, COMPLEX ELASTIC COMPLIANCES, COUPLING AT THE CORE-MANTLE BOUNDARY AND OTHER PARAMETERS. WE WILL INVESTIGATE THE POSSIBILITY OF INCLUDING AD HOC EXCITATIONS TO EXPLAIN THE RESIDUAL SPECTRUM. FINALLY, WE WILL FIT PARAMETERS OF THE MODEL DIRECTLY TO VLBI GROUP DELAY WITHOUT USING AN INTERMEDIATE SPECTRUM. WE WILL PERFORM A THOROUGH ERROR ANALYSIS AND DETERMINE REALISTIC UNCER | ADNET SYSTEMS INC | $591 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Jan 13, 2017 | Jan 16, 2017 | Oct 13, 2017 | ||
| PROCESSING SATELLITE ALTIMETRY DATA REQUIRES THE COMPUTATION OF PATH DELAY IN THE NEUTRAL ATMOSPHERE THAT IS USED FOR CORRECTING RANGES. THE PATH DELAY IS COMPUTED USING NUMERICAL WEATHER MODELS AND THE ACCURACY OF ITS COMPUTATION DEPENDS ON THE ACCURACY OF NUMERICAL WEATHER MODELS. ACCURACY OF NUMERICAL MODELS OVER LAND CAN BE EVALUATED BY COMPARISON WITH GROUND METEOROLOGICAL STATIONS, ATMOSPHERIC SOUNDINGS, AND WITH ESTIMATES OF PATH DELAY FROM SPACE GEODESY OBSERVATIONS. HOWEVER, THE ACCURACY OF NUMERICAL WEATHER MODELS OVER ANTARCTICA AND GREENLAND WHERE THERE IS A VERY SPARSE NETWORK OF GROUND STATIONS, IS NOT WELL KNOWN. THEREFORE, THE ACCURACY OF THE PATH DELAY COMPUTATION OVER THESE REGIONS IS NOT KNOWN. THE ESSENCE OF THIS PROPOSAL IS TO USE GPS RADIO OCCULTATION DATA FOR COMPARISON OF OBSERVED PATH DELAYS FROM THESE OBSERVATIONS WITH PREDICTED PATH DELAYS FROM THE NUMERICAL WEATHER MODELS THAT ARE USED FOR PROCESSING ICESAT DATA. THE DIFFERENCES WILL BE USED FOR DERIVING THE ERROR MODEL OF ATMOSPHERIC PATH DELAY CORRECTIONS OF ALTIMETRY DATA OVER ANTARCTICA AND GREENLAND. SINCE THERE ARE TOO FEW METEOROLOGICAL STATIONS IN THE INNER PARTS OF ANTARCTICA AND GREENLAND, THE GPS RADIO OCCULTATIONS WILL BE USED AS THE GROUND TRUTH. THE NEAR TERM GOAL IS TO EVALUATE THE CONTRIBUTION OF THE UNCERTAINTY OF OUR KNOWLEDGE OF THE STATE OF THE ATMOSPHERE TO ESTIMATES OF ICE MASS LOSS IN ANTARCTICA AND GREENLAND AND ITS SEASONAL VARIATIONS. IN PARTICULAR, WE WILL EVALUATE SYSTEMATIC ERRORS IN PATH DELAY, SEASONAL VARIATIONS, AND THE SECULAR TREND. SEASONAL ERRORS MAY CAUSE BIASES IN ESTIMATES OF ICE MASS BALANCE DERIVED FROM SATELLITE ALTIMETRY. AS A LONG TERM GOAL, WE WILL EVALUATE THE FEASIBILITY OF USING RADIO OCCULTATION DATA NOT ONLY FOR THE CHARACTERIZATION OF PATH DELAY ERRORS, BUT FOR AN IMPROVEMENT IN COMPUTATION OF PATH DELAY FOR PROCESSING ICESAT-2 DATA. WE WILL DERIVE AN EMPIRICAL MODEL OF BIASES IN PATH DELAYS AND EVALUATE WHETHER THE BIAS CORRECTION MERITS PROCESSING ICESAT-2 DATA OVER ANTARCTICA AND GREENLAND. IN A CASE IF THE EVIDENCE WILL BE COLLECTED IN FAVOR OF THIS MODEL, THE EXPERIENCE GAINED IN PROCESSING RO DATA WILL HELP TO FORMULATE RECOMMENDATIONS FOR MODIFICATION OF THE DATA ANALYSIS PROCEDURE TAKING INTO ACCOUNT ALL ISSUES OF LOGISTICS. | ADNET SYSTEMS INC | $53,011 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Feb 16, 2016 | Mar 1, 2016 | Oct 13, 2017 | ||
| OUR PROJECT TARGETS ENHANCEMENT OF THE INFRASTRUCTURE OF SITE POSITION MONITORING DETERMINED WITH GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) AND SATELLITE LASER RANGING (SLR) IN NEAR-REAL TIME AND REAL-TIME BY PROVIDING AN INTERNET SERVICE OF AUTOMATIC RETRIEVAL OF THE EARTH ORIENTATIONS PARAMETERS (EOP) PREDICTED ON THE BASIS OF PAST OBSERVATIONS AND THE ATMOSPHERE ANGULAR MOMENTUM COMPUTED ON A BASIS OF THE NUMERICAL WEATHER MODEL DEVELOPED AT NASA GODDARD FLIGHT SPACE CENTER. OUR PROPOSAL ADDRESSES THE FOLLOWING OBJECTIVE OF THE EARTH SURFACE AND INTERIOR PROGRAMMATIC INTEREST: GEOPHYSICAL MODELS AND ANALYSIS SYSTEMS THAT ADVANCE REAL-TIME OR NEAR REAL-TIME GEODETIC PRODUCTS DERIVED IN WHOLE OR IN PART FROM ESTABLISHED INFRASTRUCTURE FOCUSED ON MITIGATION OF GEOHAZARDS. PROCESSING SPACE GEODESY OBSERVATIONS REQUIRES DATA REDUCTION FOR EARTH ROTATION THAT VARIES DUE TO 1) EXTERNAL TORQUES EXERTED BY THE MOON, SUN AND PLANETS, AND 2) MASS REDISTRIBUTION IN THE ATMOSPHERE AND HYDROSPHERE. PROCESSING DEDICATED VERY LONG BASELINE INTERFEROMETRY (VLBI) OBSERVATIONS AS WELL AS OTHER SPACE GEODESY DATA ALLOWS US TO DETERMINE EOPS FOR THE PAST. HOWEVER, FOR PROCESSING REAL-TIME OR NEAR REAL TIME OBSERVATIONS THE EOPS FOR THE CURRENT INSTANT OF TIME ARE NOT AVAILABLE. THE ESSENCE OF OUR PROJECT ARE TWO ELEMENTS. FIRST, WE PROPOSE TO DEVELOP THE INFRASTRUCTURE FOR COMPUTATION OF THE ANGULAR MOMENT OF THE ATMOSPHERE AND HYDROSPHERE FROM THE FORECAST OF THE NASA GLOBAL MODELING AND ASSIMILATION OFFICE (GMAO) MODELS GEOSFP AND GEOS-FPIT THAT COVER THE TIME PERIOD FROM 2000.01.01 IN THE PAST THROUGH 24-36 HOURS IN THE FUTURE. USING ESTIMATES OF THE ANGULAR MOMENTUM, WE COMPUTE THE EARTH ORIENTATION PARAMETERS BY NUMERICAL INTEGRATION OF LIOUVILLE'S EQUATION STARTING FROM THE LATEST EOP MEASUREMENT TAKEN AS AN INITIAL VALUE. SECOND, WE PROPOSE TO DEVELOP AN INTERNET SERVICE THAT WILL ALLOW A USER TO RETRIEVE THE EARTH'S ROTATION MATRIX AND ITS DERIVATIVES ANYTIME SINCE 1979.01.01 TO 24 HOURS IN THE FUTURE IN A TOTALLY AUTOMATIC FASHION USING THE OPENDAP PROTOCOL. THE SIGNIFICANCE OF SUCH A SERVICE IS THAT ALL COMPLEXITY OF ACCURATE EOP PREDICTION ON THE BASIS OF NUMERICAL WEATHER MODELS AND DISSEMINATION OF RESULTS WILL BE COMPLETELY CARRIED OUT BY THE REMOTE SERVER AND IT WILL NOT REQUIRE A HUMAN INTERVENTION. THIS IS CRITICALLY IMPORTANT FOR REAL-TIME OR NEAR REAL-TIME SPACE GEODESY APPLICATIONS, ALTHOUGH NON REAL-TIME APPLICATIONS WILL BENEFIT FROM AUTOMATION AS WELL. IMPROVED ACCURACY OF EOP PREDICTION USING THE OUTPUT OF NUMERICAL WEATHER MODELS WILL IMPROVE THE ACCURACY OF SITE POSITION DETERMINATION, WHICH IS ESSENTIAL FOR REAL-TIME OR NEAR REAL-TIME APPLICATIONS OF GNSS OBSERVATIONS FOR MONITORING STATION POSITIONS FOR DETECTION OF SEISMIC EVENTS AND PROVIDING HAZARD WARNINGS AND MITIGATION OF DAMAGE FROM EARTHQUAKES, VOLCANIC EVENTS, LANDSLIDES, OR TSUNAMI GENERATION. AUTOMATION OF THE PROCESS OF RETRIEVAL OF THE MOST PRECISE EARTH'S ROTATION MATRIX WILL FACILITATE DEVELOPMENT OF REAL-TIME SPACE GEODESY APPLICATIONS. | ADNET SYSTEMS INC | $129,890 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Nov 19, 2014 | Nov 12, 2014 | Nov 11, 2018 | ||
| THE ONGOING DATA RODS ACCESS PROJECT (NNH11ZDA001N-ACCESS), BY REMOVING A LONGSTANDING BARRIER TO ACCESSING AND USING NASA DATA (I.E., THE DIGITAL DIVIDE ) FOR THE HYDROLOGY USER COMMUNITY AND, SPECIFICALLY, THE CUAHSI HYDROLOGIC INFORMATION SYSTEM (HIS) USERS, HAS ALREADY DEMONSTRATED A DRAMATIC UNLOCKING OF THE POTENTIAL OF THE DATA (THUS FAR, SELECTED VARIABLES OF THE NORTH AMERICAN LAND DATA ASSIMILATION SYSTEM (NLDAS) AND GLOBAL LAND DATA ASSIMILATION SYSTEM (GLDAS) DATA SETS). THESE DATA RODS WEB SERVICES, HOWEVER, THOUGH VISIBLE AND ACCESSIBLE THROUGH THE HIS AND THROUGH THE GODDARD EARTH SCIENCES DATA AND INFORMATION SERVICES CENTER (GES DISC), ARE NOT EASILY DISCOVERABLE BY USERS OF OTHER NON-NASA DATA SYSTEMS. THIS IS ALSO THE CASE FOR NASA EOSDIS (EARTH OBSERVING SYSTEM DATA INFORMATION SYSTEM) DATA, IN GENERAL. CONVERSELY, THERE ARE VAST AMOUNTS OF NON-NASA HYDROLOGICAL DATA (E.G., THOSE ACCESSIBLE VIA WEB SERVICES FROM CUAHSI HIS) THAT ARE NOT VISIBLE AND ACCESSIBLE FROM NASA SYSTEMS, SUCH AS THE SIMPLE SUBSET WIZARD (SSW), A COMMON GATEWAY TO DATA ARCHIVED AT NASA DATA CENTERS. THE GLOBAL EARTH OBSERVATION SYSTEM OF SYSTEMS (GEOSS), AS A CATALOG OF CATALOGS, WOULD BE A LOGICAL MECHANISM FOR PROVIDING ACCESS TO THE TIME SERIES COVERAGES OF THE DATA RODS, AS WELL AS ON-THE-FLY TIME SERIES CONVERTED FROM OTHER EOSDIS DATA, COMMONLY ARCHIVED IN THE TIME-STEP ARRAY FORMAT. THERE IS A JUST-BEGUN MULTI-ORGANIZATIONAL GEOSS ARCHITECTURE IMPLEMENTATION PILOT PHASE-6 (AIP-6) WATER SERVICES PROJECT (WITH PARTICIPANTS THAT INCLUDE MEMBERS OF THIS ACCESS PROPOSAL TEAM) THAT IS AIMED AT THE GEOSS WATER STRATEGIC TARGET TO PRODUCE [BY 2015] COMPREHENSIVE SETS OF DATA AND INFORMATION PRODUCTS TO SUPPORT DECISION-MAKING FOR EFFICIENT MANAGEMENT OF THE WORLD'S WATER RESOURCES, BASED ON COORDINATED, SUSTAINED OBSERVATIONS OF THE WATER CYCLE ON MULTIPLE SCALES. THE SCOPE OF THE WATER SERVICES PROJECT IS TO DEVELOP A GLOBAL REGISTRY OF WATER DATA, MAP AND MODELING SERVICES CATALOGUED USING THE STANDARDS AND PROCEDURES OF THE OPEN GEOSPATIAL CONSORTIUM AND THE WORLD METEOROLOGICAL ORGANIZATION. THIS AIP-6 PROJECT BUILDS ON THE RESULTS OF AIP-5, FOR WHICH A GLOBAL PUBLICATION OF FEDERATED OBSERVATION SERVICES FOR STREAMFLOW WAS SUCCESSFULLY DEMONSTRATED. THE INDIVIDUAL WEB FEATURE SERVICES ARE REGISTERED WITH THE GEOSS COMMON INFRASTRUCTURE (GCI) AND SHOWN TO BE DISCOVERABLE THEREIN. EACH FEATURE IN A MAP SERVICE DESCRIBES ONE OBSERVED TIME SERIES ACCESSIBLE AT ONE LOCATION AND, IF AVAILABLE, CONTAINS A LINK TO THAT TIME SERIES SERVICE. FURTHERMORE, IT HAS SUBSEQUENTLY BEEN DEMONSTRATED THAT THIS INFRASTRUCTURE CAN ALSO BE ADAPTED TO PROVIDE TIME SERIES ACCESS TO MODEL GRID INFORMATION (E.G., NLDAS, GLDAS) OR GRIDS OF INFORMATION OVER A GEOGRAPHIC DOMAIN FOR A PARTICULAR TIME INTERVAL. THESE PROTOTYPE EFFORTS HAVE SHOWN THE POTENTIAL FOR ENHANCING DISCOVERY, SEARCH, AND ACCESS OF NASA DATA BY NON- NASA USERS. THAT THESE PROTOTYPES HAVE BEEN SUCCESSFULLY IMPLEMENTED STRONGLY SUGGESTS THAT THE PROPOSED WORK CAN BE SIMILARLY CARRIED OUT AND WITH LOW RISK. THE OVERALL APPROACH OF THE PROPOSED PROJECT COMPRISES THE FOLLOWING: 1. LEVERAGE SIMPLE SUBSET WIZARD (SSW) API AND ECHO 2. REGISTER DATA RODS AND ON-THE-FLY (OTF) CONVERTED TIME SERIES SERVICES IN GEOSS 3. DEVELOP WEB FEATURE SERVICES (WFS) FOR DATA RODS AND OTF CONVERTED TIME SERIES 4. ENHANCE METADATA IN WFS 5. MAKE NON-NASA DATA VISIBLE TO NASA USERS BY LEVERAGING SSW 6. DEVELOP HYDROLOGICAL USE CASES TO GUIDE PROJECT DEPLOYMENT AND SERVE AS METRICS | ADNET SYSTEMS INC | $198,548 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Jun 28, 2014 | Jun 3, 2014 | May 21, 2017 | ||
| MOTIVATION. A LONGSTANDING AND SIGNIFICANT "DIGITAL DIVIDE" IN DATA REPRESENTATION EXISTSBETWEEN HYDROLOGY AND CLIMATOLOGY AND METEOROLOGY. TYPICALLY, IN HYDROLOGY, EARTH SURFACEFEATURES ARE EXPRESSED AS DISCRETE SPATIAL OBJECTS SUCH AS WATERSHEDS, RIVER REACHES, AND POINT OBSERVATION SITES; AND TIME VARYING DATA ARE CONTAINED IN TIME SERIES ASSOCIATED WITH THESE SPATIAL OBJECTS. LONG TIME HISTORIES OF DATA MAY BE ASSOCIATED WITH A SINGLE POINT OR FEATURE IN SPACE. IN METEOROLOGY AND CLIMATOLOGY, REMOTELY SENSED OBSERVATIONS AND WEATHER AND CLIMATE MODEL INFORMATION ARE EXPRESSED AS CONTINUOUS SPATIAL FIELDS, WITH DATA SEQUENCED IN TIME FROM ONE DATA FILE TO THE NEXT. HYDROLOGY TENDS TO BE NARROW IN SPACE AND DEEP IN TIME, WHILE METEOROLOGY AND CLIMATOLOGY ARE BROAD IN SPACE AND NARROW IN TIME (MAIDMENT ET AL., 2010). THIS DIVIDE HAS BEEN AN OBSTACLE, SPECIFICALLY, BETWEEN THE HYDROLOGIC COMMUNITY, AS REPRESENTED BY THE CONSORTIUM OF UNIVERSITIES FOR THE ADVANCEMENT OF HYDROLOGIC SCIENCE, INC. (CUAHSI), CURRENTLY WITH 112 MEMBERS PLUS 23 AFFILIATES, AND RELEVANT DATA SETS AT THE GODDARD EARTH SCIENCES DATA AND INFORMATION SERVICES CENTER (GES DISC). CUAHSI HAS DEVELOPED THE HYDROLOGIC INFORMATION SYSTEM (HIS), WHICH IS BUILT ON INTERNATIONAL GEOSPATIAL STANDARDS, WITH ONE OF ITS AIMS TO BRIDGE THE DIVIDE. THE HIS IS HEAVILY USED. OVER THE PAST TWO YEARS, E.G., THE NUMBER OF REQUESTS TO HIS PER YEAR HAS AVERAGED MORE THAN 2.25 MILLION (T. WHITEAKER, CUAHSI HIS, PERSONAL COMMUNICATION, MAY 27, 2011). GES DISC HAS A LONG HISTORY OF SUPPORTING ENERGY AND WATER CYCLE DATA SETS, REPRESENTED BY TWO OF ITS DISCIPLINE-ORIENTED ENTITIES, PRECIPITATION DISC (PDISC) AND HYDROLOGY DISC (HDISC). GES DISC HOLDS SOME 2.0 PETABYTES OF ATMOSPHERE, OCEAN, AND HYDROLOGY DATA, FROM 12 MAJOR MISSIONS AND OZENS OF INSTRUMENTS, SERVING MORE THAN 100,000 USERS. THE OPPORTUNITY COSTS OF THE DIVIDE ARE HIGH. IT HAS LARGELY PREVENTED THE ROUTINE ACCESS AND USE OF NASA EARTH SCIENCES DATA BY THE HYDROLOGICAL AND, MORE GENERALLY, GEOSPATIAL COMMUNITY. | ADNET SYSTEMS INC | $55,331 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Aug 28, 2013 | Aug 23, 2013 | May 31, 2015 | ||
| IGF::CT::IGF POST AWARD CONFERENCE | ADNET SYSTEMS INC | $5,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 541712 | R707SUPPORT- MANAGEMENT: CONTRACT/PROCUREMENT/ACQUISITION SUPPORT | Apr 8, 2013 | Apr 8, 2013 | Apr 7, 2018 | ||
| IGF::CL::IGF CLOSELY ASSOCIATED: NRA ENTITLED "EXPANDING VISUAL INTERFACES TO THE VIRTUAL SOLAR OBSERVATORY: A VALUE ADDED SERVICE FOR THE VIRTUAL SOLAR OBSERVATORY" OBSERVATION TIME RANGE." THE VIRTUAL SOLAR OBSERVATORY (VSO) IS A SERVICE THAT ALLOWS USERS TO QUERY MULTIPLE DISTRIBUTED ARCHIVES OF SOLAR DATA THROUGH A SINGLE INTERFACE. THE ADVANTAGE OF THIS APPROACH IS THAT USERS QUERY A SINGLE SERVICE TO ACCESS DATA FROM MANY DIFFERENT INSTRUMENTS. A TYPICAL QUERY BEGINS WITH A USER PICKING ONE OR MORE INSTRUMENTS AND AN OBSERVATION TIME RANGE. THE USER CAN VARY THE QUERY BY CHANGING INSTRUMENTS, PROVIDERS, TIME RANGE OR OBSERVABLE. THERE ARE A LARGE NUMBER OF DIFFERENT DATA, EACH WITH THEIR OWN DUTY CYCLES, AVAILABILITY, AND SCIENTIFIC GOALS. THE NEW, EASY AVAILABILITY OF THIS VAST AMOUNT OF DIVERSE DATA PRESENTS A NEW CHALLENGE: HOW DOES A USER FIND THE PARTICULAR DATA THEY ARE INTERESTED IN? IN ORDER TO MAKE FULL USE OF ALL THE VSO-PROVIDED DATA, THE USER MUST HAVE A GUIDE TO ASSIST THEM IN FINDING THE DATA THEY REALLY WANT, WHILST ALSO HAVING THE FLEXIBILITY AND THE OPPORTUNITY TO FIND OTHER DATA THAT THEY DIDN T KNOW WAS RELEVANT BEFORE THEY STARTED. THIS LEADS TO THE RATIONALE FOR THIS PROPOSAL: BY PROVIDING SIMPLE AND INTUITIVE SERVICES TO EXPLORE THE DATA, THE USER IS BETTER ABLE TO FIND THE DATA THEY NEED TO ATTAIN THEIR SCIENCE GOALS. WE PROPOSE TO CREATE SUPERLATIVE DATA BROWSING AND ACQUISITION TOOLS BY COMBINING THE DATA PROVISION CAPABILITIES OF THE VSO AND OTHER SERVICES, WITH EXPANDED DATA VISUALIZATION SERVICES DELIVERED BY THE HELIOVIEWER PROJECT. | ADNET SYSTEMS INC | $482,478 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | 541712 | AR22 | Sep 28, 2012 | Sep 28, 2012 | Sep 27, 2015 | ||
| NOVEL APPROACHES FOR COMPUTING ATMOSPHERE PATH DELAY USING NUMERICAL WEATHER MODELS. AS OUR EXPERIENCE OF VLBI HARDWARE UPGRADE SHOWED, IMPROVEMENT OF OBSERVING HARDWARE ALONE IS NOT SUFFICIENT FOR IMPROVING THE ACCURACY OF STATION POSITION DETERMINATION. REACHING THE GOAL OF THE GLOBAL GEODETIC OBSERVING SYSTEM FOR THE ACCURACY OF THE INTERNATIONAL TERRESTRIAL REFERENCE FRAME (ITRF) 1 MM AND ITS STABILITY 0.1 MM/YR SET IN THE DOCUMENT "MEETING THE REQUIREMENTS OF A GLOBAL SOCIETY ON A CHANGING PLANET IN 2020" NECESSARILY REQUIRES A BREAKTHROUGH IN MODELING THE PATH DELAY IN THE NEUTRAL ATMOSPHERE. THE ESSENCE OF THIS PROPOSAL IS TO DEVELOP AN INFRASTRUCTURE FOR COMPUTING PATH DELAY THROUGH THE NEUTRAL ATMOSPHERE BY DIRECT INTEGRATION OF EQUATIONS OF RADIO WAVE PROPAGATION USING THE OUTPUT OF NUMERICAL WEATHER MODELS OF A NEW GENERATION: REANALYSIS MODEL MERRA, OPERATIONAL MODEL GEOS-5.6 DEVELOPED AT THE NASA GLOBAL MODELING AND ASSIMILATION OFFICE, AND THE CLIMATE FORECAST SYSTEM REANALYSIS DEVELOPED BY NOAA. THE PATH DELAYS WILL BE COMPUTED IN THE FORM THAT CAN BE EASILY UTILIZED BY EXISTING SOFTWARE FOR PROCESSING VLBI, GPS, AND DORIS OBSERVATIONS. THE GOAL IS TO MODEL THE ATMOSPHERE PATH DELAY BETTER AND TO PROVIDE MORE RELIABLE ESTIMATES OF STATION POSITIONS AND SATELLITE ORBITS. OUR APPROACH HINGES ON A SOLUTION OF THREE PROBLEMS THAT WE FOUND IN THE FRAMEWORK OF THE PILOT STUDY. THIS INCLUDES 1) DEVELOPMENT OF AN EFFICIENT NUMERICAL ALGORITHM FOR EXPANDING THE REFRACTIVITY FIELD OVER A FOUR-DIMENSIONAL TENSOR PRODUCT OF B-SPLINES THAT TRANSFORMS A SET OF DISCRETE REFRACTIVITIES DERIVED FROM THE GRIDDED OUTPUT OF NUMERICAL WEATHER MODELS INTO A CONTINUUM FUNCTION WITH SMOOTH PARTIAL DERIVATIVES. 2) FORMULATION OF RADIO WAVE PROPAGATION THROUGH A HETEROGENEOUS CONTINUOUS MEDIUM AS A VARIATIONAL PROBLEM WHICH SOLUTION IS REDUCED TO A SYSTEM OF NON-LINEAR ORDINARY DIFFERENTIAL EQUATIONS OF THE 4TH ORDER. 3) DEVELOPMENT OF AN EFFICIENT INTERPOLATION METHOD FOR SLANTED PATH DELAYS COMPUTED FOR A GIVEN STATION. THAT ALLOWS TO DECOUPLE COMPUTATION OF PATH DELAY IN THE NEUTRAL ATMOSPHERE FROM GEODETIC DATA ANALYSIS. ALTHOUGH THE NUMERICAL WEATHER MODELS CURRENTLY ARE NOT ACCURATE TO THE LEVEL THAT WOULD ALLOW US TO COMPUTE PATH DELAY WITH THE ACCURACY THAT MATCHES THE ACCURACY OF SPACE GEODESY MEASUREMENTS, THEIR USE SHIFTS THE PARADIGM OF A TREATMENT OF PATH DELAY IN THE NEUTRAL ATMOSPHERE THAT WAS ESTABLISHED OVER 40 YEARS AGO. INSTEAD OF USING IN-SITU SURFACE METEOROLOGICAL DATA THAT PROVIDE ESTIMATES OF ZENITH PATH DELAYS WITH A TYPICAL ERROR OF 150-250 MM AND ESTIMATING THE REMAINING DELAYS USING PARTIAL DERIVATIVES, THE SO-CALLED MAPPING FUNCTION, DERIVED FROM A COARSE REGRESSION MODEL, WE CAN COMPUTE THE SLANTED PATH DELAY IN THE DIRECTION OF THE OBSERVING SOURCE OR SATELLITE WITH THE ACCURACY OF 10-15 MM OF THE ZENITH PATH DELAY EQUIVALENT AND TO ESTIMATE RESIDUAL DELAY USING PARTIAL DERIVATIVES COMPUTED FROM THE NUMERICAL WEATHER MODEL. ADVANCES IN NUMERICAL WEATHER MODELS WILL MAKE UNNECESSARY ESTIMATION OF PATH DELAY CAUSED BY THE NEUTRAL ATMOSPHERE IN THE FUTURE WHEN EVEN MORE PRECISE NUMERICAL WEATHER MODELS WILL BE DEVELOPED. THE PRESENT PROPOSAL SETS THE PATH FOR SUCH A SHIFT IN DATA ANALYSIS TECHNIQUE. THE BENEFITS THAT WE CAN ENJOY RIGHT NOW ARE REDUCING SYSTEMATIC ERRORS ORIGINATING FROM THE A PRIORI MAPPING FUNCTION AND SATISFACTORY MODELING OF THE PATH DELAY AZIMUTHAL DEPENDENCE THAT MAKES ESTIMATION OF THE SO-CALLED TROPOSPHERE GRADIENTS UNNECESSARY. THIS WILL RESULT IN IMPROVEMENT OF STATION POSITION REPEATABILITY AND GETTING A MORE ACCURATE TERRESTRIAL REFERENCE FRAME AND SATELLITE ORBITS. ACCURATE SATELLITE ORBITS ARE THE KEY ELEMENT OF MEAN SEA LEVEL CHANGE MEASUREMENTS. OUR PROPOSAL ADDRESSES THE FOLLOWING OBJECTIVE OF THE DECADAL SURVEY RECOMMENDATION: TO STUDY OF THE THEORETICAL AND TECHNICAL FOUNDATION OF SPACE GEODETIC SCIENCE AND INFRASTRUCTURE INCLUDING THE THEORY OF GEODETIC REFERENCE FR | ADNET SYSTEMS INC | $154,614 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION | — | — | AR21 | Sep 13, 2012 | Sep 1, 2012 | Feb 29, 2016 |