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Mon, 04 Jul 2022 13:23:34 +0000
A NASA-funded lunar cubesat is on its way to the moon July 4 after a series of burns by a Rocket Lab transfer stage. The post CAPSTONE heads to the moon appeared first on SpaceNews.
Mon, 04 Jul 2022 00:33:21 +0000
The government of New Zealand has formally joined a U.S.-led ban on testing of destructive direct-ascent ASAT weapons in an effort to build momentum for a global prohibition on such tests. The post New Zealand joins ASAT testing ban appeared first on SpaceNews.
Sat, 02 Jul 2022 22:40:05 +0000
NASA is continuing to work with Roscosmos on a seat barter agreement despite missing a self-imposed deadline last month to complete a deal in time to allow exchanges on missions launching this fall. The post NASA and Roscosmos continue seat barter discussions appeared first on SpaceNews.
Sat, 02 Jul 2022 08:15:31 +0000
Virgin Orbit successfully placed a set of payloads for the U.S. Space Force into orbit early July 2 in the company’s first nighttime launch. The post Virgin Orbit launches Space Force mission appeared first on SpaceNews.
Fri, 01 Jul 2022 23:41:36 +0000
A United Launch Alliance Atlas 5 rocket on July 1 launched the USSF-12 mission for the U.S. Space Force. The rocket lifted off at 7:15 p.m. Eastern from Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida. The post ULA’s Atlas 5 launches U.S. Space Force experimental missile-warning satellite appeared first on SpaceNews.
Fri, 01 Jul 2022 17:51:14 +0000
Agile Space Industries is preparing to consolidate propulsion design, manufacturing and production in a new 1,860-square-meter facility in Durango, Colorado. The post Agile to consolidate operations in new Colorado plant appeared first on SpaceNews.
Fri, 01 Jul 2022 11:52:51 +0000
OneWeb will launch some of its next-generation satellites on Relativity Space’s next-generation launch vehicle starting as soon as 2025, the companies announced June 30. The post OneWeb to launch second-generation satellites with Relativity Space appeared first on SpaceNews.
Fri, 01 Jul 2022 08:02:00 +0000
The Chinese Academy Sciences is preparing to select a new batch of space missions from proposals to study Earth, the Sun and solar system, and the deeper universe as part of a "New Horizons Program." The post Venus orbiter, lunar constellation and exoplanets telescopes among candidates as China selects new space science missions appeared first on SpaceNews.
Fri, 01 Jul 2022 00:40:15 +0000
House appropriators eliminated most of a proposed budget increase for the FAA’s commercial space transportation office while also directing the agency on spaceports and cooperation with another agency on spaceflight investigations. The post House appropriators reduce proposed budget for FAA commercial space office appeared first on SpaceNews.
Thu, 30 Jun 2022 23:59:09 +0000
Canada’s Kepler Communications said June 30 it plans to use D-Orbit’s orbital transfer vehicle for the next two satellites in its low-data-rate constellation. The post Kepler books orbital transfer vehicle for next launch appeared first on SpaceNews.
Thu, 30 Jun 2022 10:43:02 +0000
Chinese state-owned and commercial companies are developing capabilities to launch liquid propellant rockets from sea platforms to boost the country's launch options. The post China looks to launch liquid propellant rockets from the seas appeared first on SpaceNews.
Thu, 30 Jun 2022 01:32:19 +0000
With commissioning of the James Webb Space Telescope nearly complete, project officials and NASA leadership promise the telescope’s first images will stun scientists and the public alike. The post NASA prepares to release first JWST science images appeared first on SpaceNews.
Wed, 29 Jun 2022 21:50:47 +0000
SpaceX launched the first television broadcast satellite under SES’s C-band clearing plan June 29 from Cape Canaveral in Florida. The post SpaceX launches SES-22 C-band replacement satellite appeared first on SpaceNews.
Wed, 29 Jun 2022 20:48:28 +0000
NASA Administrator Bill Nelson has tested positive for COVID-19, he announced June 29, but is continuing to lead the agency as he isolates at home. The post NASA administrator tests positive for COVID appeared first on SpaceNews.
Wed, 29 Jun 2022 19:36:38 +0000
Space Force acquisition executive Frank Calvelli said he would be open to a different model than the current two-vendor approach for national security launch services procurement The post Space Force considering strategy for procuring national security launch services appeared first on SpaceNews.
Wed, 29 Jun 2022 19:08:21 +0000
Former NASA deputy administrator Lori Garver has written a book about her time at the agency. Rand Simberg reviews the book with a focus on Garver’s efforts to put NASA on a new course that leveraged commercial capabilities. The post Escaping Gravity and the struggle to reshape NASA appeared first on SpaceNews.
Wed, 29 Jun 2022 14:38:11 +0000
Italian rocket maker Avio secured 340 million euros ($358 million) in government funding June 29 to develop launch vehicles for the next decade. The post Avio gets pandemic recovery funds to develop launchers for the 2030s appeared first on SpaceNews.
Wed, 29 Jun 2022 13:00:21 +0000
Sierra Space announced an agreement with the Turkish Space Agency and an affiliated company June 29 that could lead to cooperation on human spaceflight and lunar missions. The post Sierra Space signs agreement with Turkish Space Agency appeared first on SpaceNews.
Wed, 29 Jun 2022 02:48:35 +0000
The successful launch of a NASA lunar cubesat mission was the culmination of two and a half years of work at Rocket Lab that, the company’s chief executive says, could enable “ridiculously low cost” planetary missions. The post Rocket Lab sees payoff from CAPSTONE launch appeared first on SpaceNews.
Tue, 28 Jun 2022 23:21:42 +0000
Frank Calvelli said he wants to make sure Blue Origin and ULA understand 'the importance of hitting their milestones' for the BE-4 and Vulcan The post Space Force acquisition chief to meet with ULA and Blue Origin, expects Vulcan to launch in December appeared first on SpaceNews.
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    Personal information
     Name:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:01-11-2012
     Last Modified:02-11-2012 (08:14)
    Job information
     Current job:Research Assistant
     Employment Term:Temp/Contract
     Job location:Own country
     Date available:within a month
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Business Services
     KeywordsSatellite, Remote Sensing, Matlab, IDL, ENVI, Imaging, Sensor, Orbit
    CV

    EDUCATION

     

    2012 – Present , Ph.D Candidate, Atmospheric Science, University of Houston

    2010 – 2011, M.S., Space Architecture (Summa Cum Laude), University of Houston

    Thesis: Lunar Radio Telescope and Future Astronomy Analysis on the Moon’s Far Side

    2006 – 2010 , B.S., Physics, Stephen F. Austin State University

     

     

    RESEARCH INTEREST

    1. Cassini Observations of Jupiter and Saturn

    The multi-filter images from the Imaging Science Subsystem (ISS) on board Cassini are utilized to explore the vortex behavior on Saturn during the time period of 2004-2011 (starting in northern winter, moving through equinox, into northern spring). Our exploration is concentrated in the northern hemisphere, which is a follow-up study of the vortex survey in the southern hemisphere (Vasavada et al., 2006). We mainly utilize ISS images from two filters (i.e., MT3 and CB2), which probe the pressure levels around the tropopause and upper troposphere, respectively. Our exploration based on the maps in 2005 and 2008 suggests that there are significantly different vortex behaviors (i.e., size, spatial distribution, and vertical structure) between the two hemispheres. We are exploring more global maps after Saturn’s spring equinox (August, 2009) to see if there are seasonal effects on the vortex behavior. Comparisons between Saturn and Jupiter can then be drawn, and models can be extended to exoplanet research.

    2. Io - Proposal

    Io is the most geologically dynamic body in the Solar System. Its surface is covered with active volcanoes (the largest in the Solar System) with plume heights in excess of 400 km above Io's surface [e.g. 1]. High temperature lavas on Io resemble Archaean-aged komatiite lavas on Earth [2], and eruptions on Io are similar in scale to those of ancient terrestrial, Martian and Venusian flood basalts [3]. Volcanism is a key geological process, and Ionian volcanism could be a potential laboratory for investigating early volcanic episodes and evolution on terrestrial planets.

    Based on the most recent planetary science decadal survey [4] and New Opportunities in Solar System Exploration (NOSSE) report [5], an Io Observer mission was included in the 2009 New Frontiers Announcement of Opportunity [6]. The decadal survey called for the Io Observer to focus on determining Io’s internal structure and to investigate the mechanisms contributing to its extensive volcanic activity. The recommended mission payload consisted of a narrow angle imager, thermal mapper, ion and neutral mass spectrometer, and a flux gate magnetometer. Here we propose an additional instrument that would enhance our understanding of Io—a dust analyzer—which would be capable of determining the composition of dust grains in Io's atmosphere and volcanic plumes, providing direct and indirect analysis of Io's volcanic activity as well as insights into Io's formation, interior and surface structure, and atmosphere.

     

    3. Evapotranspiration estimation of almond and pistachio orchards using the MODIS/ASTER Airborne Simulator (MASTER)

    The MODIS/ASTER Airborne Simulator (MASTER) was used to estimate the evapotranspiration (ET) of almond and pistachio orchards in southern California using a variety of remote sensing models including the Vegetation Index Trapezoid (VIT) method, and SEBAL and METRIC ET models. Additional inputs were acquired using the California Irrigation Management Information System (CIMIS) online weather station data for potential evapotranspiration calculations and leaf area index (LAI) data from hemispherical photography. Comparisons were made to both the CIMIS potential and reference ET, field data of crop water stress, soil moisture, the VIT method, and between the two different ET models SEBAL and METRIC. Differences in ET between the two models were minimal with a strong linear relationship. The ET results suggest little water stress in the almond and pistachio crops one to four days since watered. However, calculations using the measured data with the Thornthwaite potential ET equations and IPCC local climate change models suggest that the same amount of irrigation water would maintain a ~75% of current crop area.

     

    RESEARCH EXPERIENCE

    JPL – Planetary Science Summer School (PSSS), Team X, May 2011 – June 2011

    *Io orbiter mission proposal – Structures and Science Lead – Atmosphere and Magnetosphere

    University of Houston  Department of Geoscience, Research Assistant, 2012 - Present

    *Researching vortex structure and convection storms on Saturn using Matlab and IDL (outlined above)

    Boeing - Research Assistant, 2010-2011

    *Conducting research with Boeing on Martian lander designs and SEP vehicle usage.

    Houston Museum of Natural Science - Research Assistant, 2010-2011

    *Design of lunar habitat and structures using 3D Studio Max

    NASA/NSERC  Research Assistant, June 2011- August 2011

    *Worked with airborne remote sensing equipment on board NASA’s DC-8, and other satellites. Thermal Infrared (TIR) calibration of various data sets.

     

    TEACHING EXPERIENCE

    Teaching Assistant - AST 105: General Astronomy Spring/Fall 2009

     

    ACADEMIC AWARDS AND HONORS

    Freshman and Sophomore Academic Scholarship – Stephen F. Austin State University

    Master’s of Science, Space Architecture – Summa Cum Laude – University of Houston

     

    CONFERENCES/TALKS

    Trammell, H.J., Seasonal Changes in Vortex Behavior on Saturn, Division of Planetary Scinece (DPS), American Astronomical Society (AAS), October 18th, 2012, Reno, NV, USA.

    Trammell, H.J., Thermal Infrared Calibration and Systems Analysis, NASA’s SARP, July 2011. Irvine, CA, USA.

    Trammell, H.J., Lunar Radio Astronomy, 62nd International Astronautical Congress, Oct. 2011. Cape Town, South Africa.

    Trammell, H.J., Thermal Infrared Calibration and Satellite Systems Analysis, Stephen F. Austin State University, Dec 2011. Nacogdoches, TX, USA.

     

    PUBLICATIONS

    Li, L., K. H. Baines, M. A. Smith, R. A. West, S. Pérez-Hoyos, H. J. Trammell, A. Simon-Miller, B. Conrath, P. J. Gierasch, G. S. Orton, C. A. Nixon, G. Filacchione, P. M. Fry, and T. W. Momary. Emitted power of Jupiter based on Cassini CIRS and VIMS observations. J. Geophys. Res., doi:10.1029/2012JE004191, 2012. In press.

    Kefauver, S.C., Davey, S., Furey, B., Gartner, A., Kurzweil, D., Siebach, K., Slawsky, L., Snyder, E., Trammell, H.J., Young, J., Ustin, S. Estimation of evapotranspiration in almond and pistachio orchards using the MODIS/ASTER Airborne Simulator (MASTER). Photogrammetric Engineering and Remote Sensing. 2012. Under Review.

    Trammell, H.J. Feasibility Study of Radio Telescope Array and Future Astronomy Analysis on the Moon’s Far Side. 2011. SARA Journal, Oct/Nov 2011 pp. 14-21.


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