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December 19, 2008previous year -
HPWREN and StSS Teams Collaborate with Mountain Empire Middle School
for Ocean Terracing LIVE
Mountain Empire Middle School science students participated in
"Ocean Terracing LIVE" with Marine Biologist Benjamin Pister at the
Cabrillo National Monument intertidal area. Dr. Pister shared
information regarding ocean terracing and then fielded an array of
questions posed by the middle school students.
December 11, 2008
Experimental representation of HPWREN activities in Google Earth
To demonstrate some of the scope of HPWREN and its use via project
partners, an attempt was made to map some of the activities via
multiple approaches into geographical information via the kml
format which Google Earth utilizes.
November 22, 2008
Technology Transfer Workshop for National Park Service staff and
educators led by HPWREN and SDSU Field Stations Program staff
HPWREN and SDSU Field Stations Program led a two-day Technology
Transfer Workshop and Live Interactive Virtual Exploration (LIVE)
backpack system training for National Park Service staff and
November 21, 2008
7th Annual HPWREN Users meeting held at the Pala Native American
The 7th Annual HPWREN Users meeting was hosted by the Pala Band of
Mission Indians on November 19, 2008 in their Administration building.
November 17, 2008
HPWREN: An Important Aid to Earth Strain Monitoring
UCSD/SIO is operating an array of longbase laser strainmeters at
three locations in the HPWREN area: Pinyon Flat, Durmid Hill, and
south of Salton City. The purpose of these instruments is to measure
how the Earth deforms over time, and especially before and after
October 31, 2008
October LIVE Activities Include Experiments with Off-Shore ROV, Rural
Science Class, and SDSC Building Dedication
The past few weeks have been busy for the HPWREN LIVE and NPS StSS
teams. The applied research efforts encompassed tests involving an
off-shore ROV, an experiment at a rural mountain school, and LIVE
demonstrations at the San Diego Supercomputer Center's New Building
October 10, 2008
Networked status monitoring of HPWREN solar power sites
Recently, HPWREN's Dos Picos relay site suffered a failure which
caused the solar charging system output to fall to half of it's
normal power. This incident highlighted the need for a more pro-active
method of monitoring the health of the power systems at remote
October 2, 2008
Listen to the River and the Ocean: Experimental HPWREN Acoustics
As part of ongoing experimentation with often inexpensive sensors,
HPWREN, with the SDSU Field Stations Program and the NPS Cabrillo
National Monument as collaboration partners, has begun a prototype
deployment of acoustics sensors for environmental sounds.
September 27, 2008
HPWREN weather sensor updated on Lyons Peak
HPWREN has been supporting a weather sensor at the backbone site on
Lyons Peak for the last few years. A new sensor has been added to
address difficulties with the old one.
September 19, 2008
Dwarf planets on the rise
This week the International Astronomical Union announced that the
number of officially named dwarf planets has risen to five. Three
of these worlds were discovered using the Samuel Oschin Telescope
at Caltech's Palomar Observatory, using HPWREN for the observational
September 4, 2008
HPWREN backbone upgrades to FCC-licensed radio spectrum completed
With the completion of the radio link upgrade between Mount Laguna
and Toro Peak on August 28, all main HPWREN backbone links now
utilize spectrum licensed by the Federal Communications Commission,
in either the 6 GHz or 11 GHz bands.
August 31, 2008
USArray TA starts moving east!
Three contributed ANZA seismic network stations are part of the
2000 USArray seismic stations being installed as part of the National
Science Foundation's EarthScope initiative.
August 15, 2008
Women Scientists in Action: Reuben H. Fleet Science Center Hosts
HPWREN LIVE and National Park Service StSS Collaboratory Activity
Reuben H. Fleet Science Center summer campers recently participated
in a Sea to Shining Sea (StSS) Live Interactive Virtual Explorations
(LIVE) activity between the Cabrillo National Monument intertidal
area and a lecture hall at the Science Center.
June 17, 2008
with National Park Service for the 2008 National
Geographic Bioblitz Species Inventory in the Santa Monica Mountains of
team participated in the annual National Geographic
Bioblitz Species Inventory on May 30-31 with collaborators from the
National Park Service (NPS) California Mediterranean Research
Learning Center, Santa Monica Mountains Recreation Area, and the
Cabrillo National Monument.
June 4, 2008
Super-luminous stellar explosion observed via the Palomar Observatory,
possibly resulting in a quark star
Astronomers recently announced that they have found a novel explanation
for a rare type of super-luminous stellar explosion that may have
produced a new type of object known as a quark star.
June 2, 2008
Activation of the dedicated HPWREN backbone connection with Piñon
On May 21, 2008, a dedicated HPWREN backbone connection was
established between Toro Peak and the Piñon Flats Observatory.
June 1, 2008
How Does HPWREN help the Global Seismographic Network?
Project IDA (International Deployment of Accelerometers) is currently
funded by NSF via a subaward from the Incorporated Research
Institutions for Seismology (IRIS) to operate 40 stations of the
Global Seismographic Network (GSN).
May 22, 2008
HPWREN and the Infrasound Project at the Piñon Flat Observatory
The Laboratory for Atmospheric Acoustics group at UCSD has used the
HPWREN network since November 2004, with data coming from an array of
microbarometers at the observatory.
May 20, 2008
How Does HPWREN Help the Optical Fiber Infrasound Sensor (OFIS)
HPWREN connects OFIS facilities at the Piñon Flat Observatory
in the Southern California high desert, and at Camp Elliott, located
in San Diego county.
May 16, 2008
AmeriFlux Intercomparison at HPWREN-connected SDSU Sky Oaks Field
An AmeriFlux intercomparison was conducted by Dr. Hongyan Luo at the
Sky Oaks Field Station's Old Stand site from April 18th to 28th, 2008.
May 14, 2008
HPWREN Collaborates with Reuben H. Fleet Science Center for Astronomy
Day 2008: Palomar Observatory Hosts Live Interactive
Virtual Exploration for Participants
On May 10, the Reuben H. Fleet Science Center hosted an HPWREN Live
Interactive Virtual Exploration (LIVE) activity featuring the Palomar
Observatory in conjunction with their annual Astronomy Day.
May 13, 2008
Upgrade of the HPWREN/RoadNet capabilities between Mount Laguna and
Superstition Mountain across the Anza Borrego Desert
The HPWREN/RoadNet segment between Mount Laguna and Superstition
Mountain, which extends the HPWREN backbone east of Mount Laguna, was
upgraded to accommodate additional capacity at a different radio frequency.
April 4, 2008
Caltech's Palomar Observatory now upgraded to 155Mbps connectivity via
An upgrade of major parts of the HPWREN backbone from 45 megabits
per second to 155 Mbps terrestrial microwave links is now boosting
the network performance of the California Institute of Technology's
March 18, 2008
HPWREN collaborates in Florida
James Hale describes experiences from when he was drafted for HPWREN
purposes during some of his Florida vacation time.
March 16, 2008
HPWREN creates a project summary video for NSF
The HPWREN team and its collaborators created a high-definition
video, requested by the National Science Foundation, which summarizes
some of the project, and its interdisciplinary and multi-institutional
February 20, 2008
HPWREN camera observes more than four years of post-fire plant regrowth
An incidental benefit of a fire camp connection in 2003 is the
availability of a fixed digital still camera for environmental
monitoring. A time-lapse animation illustrates more than four years
of post-fire regrowth behavior.
February 15, 2008
Pala Native American Youth Explore Tidepools via HPWREN LIVE
The HPWREN team worked with staff at the Pala Learning Center, the
National Park Service (NPS), and the NSF-funded Indigenous Earth
Sciences Project for a Live Interactive Virtual Exploration (LIVE)
January 7, 2008
HPWREN establishes its first OC3-capacity link
During the first week of January 2008, HPWREN established its first
OC3-capacity (about 155 megabits per second each direction at
full-duplex) wireless link across about 12 miles between the Cuyamaca
and Laguna mountains in San Diego County.
January 1, 2008
New large-size digital images available from visibility cameras at the
Cabrillo National Monument
HPWREN collaborated with Cabrillo National Monument and the California
Mediterranean Research Learning Center (CMRLC) on high-resolution
cameras to show the San Diego sky line from Point Loma.