The High Performance Wireless Research and Education Network (HPWREN) is a National Science Foundation funded network research project, which also functions as a collaborative cyberinfrastructure on research, education, and first responder activities. It includes creating, demonstrating, and evaluating a non-commercial, prototype, high-performance, wide-area, wireless network in San Diego, Riverside, and Imperial counties. The network includes backbone nodes at the UC San Diego and San Diego State University campuses, and a number of "hard to reach" areas in remote environments.

  Project overview materials

2008 summary video
2006 brochure
2003 brochure

  Image of the week -- (images from previous weeks):

This image the lunar crater Cabeus was taken on October 9, 2009 with the Palomar Observatory's 200-inch (5.1-meter) Hale Telescope and its adaptive optics system. Cabeus crater is located in the center, behind the large bright mountain. Cabeus was the target of the NASA LCROSS mission. The crater was chosen because it was thought to contain a substantial amount of water ice. It was hoped by the LCROSS mission team that the impact would send an ejecta plume above the lunar surface, which could be observed from ground-based telescopes. No plume was observed from any telescope, but water ice was detected from an orbiting NASA spacecraft.

Palomar's Adaptive Optics system removes the blurring effects of Earth's atmosphere to produce very high resolution images. This image is one of the highest resolution photos taken of the Moon from a ground-based telescope. The field of view is 71 km (40 arcseconds, with ~200m resolution), recorded at 2.1 microns wavelength. Images were produced by Antonin Bouchez of Caltech.

Caption by W. Scott Kardel, Public Affairs Coordinator, Palomar Observatory

  Frequently used pointers


  All HPWREN News Updates


Recent highlights


Cal Fire FLIR September 25, 2009
Enhanced Situational Awareness for First Responders

Emergency responders are typically hampered by a lack of real-time situational awareness when making critical decisions in response to rapidly changing conditions and life-threatening situations. In order to provide enhanced situational awareness to responders on the ground, MIT Lincoln Laboratory has installed a camera system with real-time video downlink capability on a Cal Fire emergency response aircraft.


Cabrillo National Monument Founder's Day event September 10, 2009
HPWREN participated in Cabrillo National Monument Founder's Day event

On August 25, Cabrillo National Monument celebrated Founder's Day, birthday of the National Park Service, by inviting partners to host booths at a festival. HPWREN and the NPS Southern California Research Learning Center hosted two booths and shared information with visitors about on-going research and monitoring projects in San Diego and at Cabrillo National Monument.


Sprites sensor August 12, 2009
HPWREN is supporting real-time communication for a Sprites sensor of University of Bath researchers at Piñon Flat Observatory

A new University of Bath sensor detects Sprites, a type of transient luminous event seen above large thunderstorms. The equipment detects the Sprites from their electromagnetic signatures in the extremely low frequency band which, due to the nature of the Earth Ionosphere cavity, propagate around the entire planet.


NPS SAMO August 5, 2009
HPWREN collaborated with NPS on an installation in the Santa Monica Mountains

HPWREN assisted the National Park Service at Santa Monica Mountains National Recreation Area in planning and installing a wireless connection and web camera in the Santa Monica Mountains.


More HPWREN News Updates


  Acknowledgments and Disclaimer

HPWREN is an interdisciplinary and multi-institutional UC San Diego research and education project, led by Principal Investigator Hans-Werner Braun at the San Diego Supercomputer Center. A Co-Principal Investigator, Frank Vernon, is with the Scripps Institution of Oceanography.

HPWREN is funded by the National Science Foundation: Grant Numbers 0087344, 0426879 and 0944131. The U.S. government has certain rights to the related material presented on this web site. If you use the HPWREN network or data from this server, your derivative publications or other information materials must make a credit reference to the National Science Foundation Grant Numbers 0087344 and 0426879, as well as the HPWREN project at the University of California, San Diego.
Minimum credit line: http://hpwren.ucsd.edu

HPWREN is an NSF funded research project, which intends to research the feasibility of wireless data networking technologies. As such, HPWREN offers no guarantees regarding network services. In addition, network security and privacy, as well as the appropriateness of Internet data, are the sole responsibility of the connected entities. HPWREN monitors traffic for research and network management purposes, and usage details may become publicly available. Should the network be used inappropriately, HPWREN reserves the right to disconnect sites.
The Usage Conditions document governs acceptable use of the network.

Any opinions, findings and conclusions, or recommendations expressed on the HPWREN web site are those of the authors and do not necessarily reflect the views of the National Science Foundation or anyone else.

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