41. Chabot Space & Science Center | Weekend Spotlight: Planet Earth Meteorology Build your own weather monitoring station. Images of Earth from space Images of Earth from space offer us beautiful views of our planet, as well http://www.chabotspace.org/vsc/exhibits/ws/earth/default.asp

Observatory Planetarium Weather Station Youth ... Astronomy in California 1850-1950 Weekend Spotlight: Planet Earth Planet Earth Activities Planet Earth Web sites At Home Activity Activity Schedule Explore the science behind current environmental issues and concerns. Planet Earth Spotlights runs every weekend, , and feature f un, hands-on activities, demonstrations, and projects to make and take home. Topics include: Atmospheres, weather, and air quality Energy Science Watersheds, Local Biodiversity and Native Plants Activities: Be a Space Science Engineer: Design space probes to visit our neighboring planets. Learn how to monitor a planet's surface temperature and sample its atmospheric content. Find out what's in Earth's atmosphere, and play with molecular models to see how different air molecules affect Earth’s temperature and climate. Explore Earth’s climate, past, present and future: Learn about the tools scientists use to study climate, and find out what climate changes might be in store for California and the Bay Area. Atmosphere Take-Home Activities: Make you own mobiles, planetary origami, and working air molecular models with recycled and reused materials. Draw and paint your own images of Earth from space to take home or to add to our Spotlights Theme Gallery.

42. Galactic Monitoring -- What's Really Happening -- Everywhere! A portal to cold monitoring sites. Current Solar weather Solar Xrays Geomagnetic Field SOHO space Environment Center Providing space weather alerts and http://www.oriscus.com/galact/

Galactic Monitoring What's really happening everywhere! Links to sites that watch our little corner of the universe (and vice versa) Updated: Earth Live Cameras and Ambient Sound Geology Maps ... Miscellaneous Science Sites Please send any comments, corrections or suggestions to Oriscus . Updated Earth Earth Observatory - A NASA educational site with loads of environmental data and images. SeaWiFS Project NASA's global ocean color monitoring mission called SeaWiFS (Sea-viewing Wide Field-of-view Sensor. Provides quantitative data on global ocean bio-optical properties to the Earth science community. Subtle changes in ocean color signify various types and quantities of marine phytoplankton (microscopic marine plants), the knowledge of which has both scientific and practical applications. NASA/MSFC GHCC - Interactive Global Infrared Satellite Data Selector a current global composite satellite image from the infrared channels of four weather satellites in Geosynchronous orbit. (NASA Global Hydrology and Climate Center) NESDIS Home Page the National Environmental Satellite, Data, and Information Service, a department of NOAA. NESDIS acquires and manages the Nation's operational environmental satellites, provides data and information services, and conducts related research.

43. Whatsup Gold Appz At Niftytools.com security vs computer users, computer security cencus statistics, wireless to internet remote weather monitoring, network disk space management software. http://www.niftytools.com/whatsup_gold_appz_p.html

Whatsup Gold Appz Information Appearing at Niftytools.com WatchDog will include separate programs to analyze file servers, modems, e-mail systems, and IP network devices. If a failure is found, it can send a page, send an e-mail message, populate and submit web forms. WatchDog-Server is for file server functions such as file copy, directory search, and LDAP. Whatsup gold appz is related to Niftytools.com. Like a good watchdog, it'll tell you when there's trouble. We are confident that our software products will meet your computing needs. WatchDog-IP is designed to monitor systems using protocols such as Telnet, Gopher, Finger, FTP, DNS, and HTTP. The WatchDog suite was developed by Tessler's Nifty Tools, the source of the SuperMonitor and WrapUp utilities for Windows. Please look around and let us know what you think of our products. We are confident that our software products will meet your computing needs. Products such as these can be an IT professionals best friend. Monitor all types of computer systems including IP based systems, and IP services. Since 1986, we at Nifty Tools have excelled in creating nifty world class software programs. Please look around and let us know what you think of our products. WatchDog-Modem queries any serial devices with an AT command set, as well as ISDN serial terminal adapters. Nifty Tools have excelled in creating nifty world class programs that have consistently proven to be invaluable.

44. Space Weather Outreach Program to space weather; Links to forecasting and research organizations involved in monitoring space weather; Links to educational institutions http://www.spacescience.org/Education/Plan4ResearchCommunity/SWOP/1.html

Space Weather Outreach Program NASA and NSF has awarded a grant to the Space Science Institute to create and implement the Space Weather Outreach Program (SWOP). SWOP, which is part of the National Space Weather Program , is a comprehensive program of educational products and services that will deepen the public's understanding of space weather and its impact on people and technology. Goals The goal of NSWP is to develop an interagency system that provides reliable observations and forecasts of activity in the space environment between the Sun and Earth. This activity encompasses phenomena like the eruptive prominence shown at right, and the auroras in Earth's upper atmosphere. SWOP will develop new outreach products and services related to space physics research, and it will also help to coordinate existing activities (e.g. projects at Rice University and the University of Michigan ). SWOP efforts will be aligned with NSWP's Strategic Plan [1995], as well as other national education studies (e.g., the National Academy of Science 's National Science Education Standards Planned Elements of the Space Weather Outreach Program SSI 's Space Weather Outreach Program is designing outreach products and services for museums and planetariums, for broadcast meteorologists and science writers, and for K-12 educators and the general public. These include:

45. BGS Resources For Monitoring Space Weather And Geomagnetic Hazard spacer. monitoring space weather at BGS. BGS Geomagnetism has a number of resources ( in house as well as public domain) for monitoring http://www.geomag.bgs.ac.uk/spweather/bgs_monitoring.html

Introduction Capability Statement Accreditations Organisation ... Search All Monitoring Space Weather at BGS BGS Geomagnetism has a number of resources ('in house' as well as public domain) for monitoring space weather and the geomagnetic hazard. Here are examples of our own data and products - click on the images for larger versions. Some links are not live as they may be of commercial significance. BGS operate six observatories worldwide and records 3-component vector data and total field data at a one-second sample rate. These are filtered to one-minute data and used in the majority of our data products, as well as for use through INTERMAGNET. One-second data is also available for academic or commercial use. These data also have navigation applications Minute Mean Daily Magnetogram One Second Data Hourly Standard Deviation ( HSD We monitor hourly standard deviations ( HSD ) in the X (North) and Y (East) components of the geomagnetic field. These are automatically updated every hour and made available to Scottish Power shortly thereafter. These data have

46. Monitor - #23 - Computerised Weather Monitoring 14720221- CONTENTS * Replaying Data After Collection * weather monitoring * Acronyms and How much space is devoted to each is up to http://www.windmill.co.uk/monitor23.html

Windmill Software Ltd Windows Engineering Software June 2000 Monitor Newsletter Archive Home Newsletters Catalogue -Monitor- The Newsletter for PC-Based Data Acquisition and Control Issue 23 www.windmill.co.uk August 2000 -ISSN 1472-0221 CONTENTS * Replaying Data After Collection Weather Monitoring Acronyms and Other Abbreviations WINDMILL NEWS Replay Charts of Data After Collection You can now read about our Windmill Replay software , and download its new Help file buy Replay from our on-line catalogue . It costs 195 GB pounds (around 315 Euros or 295 US Dollars). USING A PC TO MONITOR WEATHER unit which plugs into the PC's USB port, such as the Microlink 751 we sell in our on-line catalogue. Some weather instruments you can plug directly into the computer's serial port eliminating the need for another interface. * Software to: - Record the weather data in the units of your choice - Display the data on-screen - Analyse the data - Make data available around a network or over the internet - Alert you when measurement thresholds are crossed (by telephone for example) - Generate reports - Control instruments on specific conditions - starting a heater when the temperature drops for example We, of course, use Windmill software, which works with a wide range of instruments and devices. There are also many dedicated weather monitoring packages on the market. (Windmill 4.3 is available free to Monitor subscribers Weather Instruments to Monitor Rainfall and Wind Speed

47. Stone Ships Global Warmth Weather Monitoring App into space, causing the temperature to drop far below our winter average. But this Saturday, the weather got seriously cold. Deepwater temperature monitoring http://www.stargeek.com/item/55870.html

stargeek home PHP scripts articles seo tools ... shop Stone ships Global Warmth weather monitoring app Stone ships Global Warmth weather monitoring app From: MacMinute.com: Up-to-the-Minute Apple Mac News Stone ships Global Warmth weather monitoring app Stone Design today announced the release of Global Warmth, a new weather monitoring application for Mac OS X... document.write('Click here for great deals on Salvia - IamShaman'); This is a GrokNews Entry: ( what is grok? No Comments yet. Add A New Comment Name: Email Address: (it will not be displayed) Send me information on updates at stargeek.com: Title: Comments: Similar Items Stone ships Global Warmth weather monitoring app Stone Studio updated for Panther From: Stone Studio updated for Panther Stone Design today announced the availability of new versions of Stone Studio, specifically to take advantage of new features in Mac OS X 10.3 (Panther)... Stone Design ships Create 11.4.2, PStill 3.4, more From: Stone Design ships Create 11.4.2, PStill 3.4, more

48. Pegasus POES are necessary for providing a complete global weather monitoring system. satisfying both civil and national security requirements for spacebased remotely http://www.ktb.net/~billmeco/titannoaa.html

Titan II NOAA Launch from Vandenberg AFB. Read more about the Mission below ( See Photos from the Titan II DSMP daylight launch click here!) Titan II liftsoff at 3:22a.m.PDT Sept. 21, 2000 from SLC-4 West. This photo was taken about 5.6 miles away and shows just how low the cloud ceiling was at launch. On left is SLC-4E the Titan IV pad. Here's a tight shot of the engines with the UT tower. This photo was taken the with the Tower around the vehicle. The blur on the right side is the clear door of the camera enclosure opening. DENVER, Colo., September 21, 2000 - The NOAA-L spacecraft, a Polar-orbiting Operational Environmental Satellite (POES) satellite, was launched successfully this morning at 3:22 a.m. PDT from Vandenberg Air Force Base, Calif.. Lockheed Martin Space Systems in Sunnyvale, Calif., built NOAA-L, and a Lockheed Martin-built Titan II space launch vehicle, provided under contract to the U.S. Air Force by Lockheed Martin Space Systems in Denver, Colo., carried the satellite into orbit.

49. News & Articles - Space.com Article By Leonard Davide, Senior space Writer. around the world with ocean and atmospheric monitoring sensors. The health of the oceans, changing weather, shifts in http://www.seakeepers.org/news/space.html

you are here: > Home Space.com In the News. . . Bal De La Mer Forbes Magazine Los Angeles Time s New York Times ROBB Report ShowBoats Magazine January 2003 - pg 61 ... Univ of Miami/RSMAS Current Article Carnival Triumph cruise ship is outfitted with SeaKeepers sensors. Tuesday, November 19, 2002 Yachting Explorers Assist Ocean-Watching Satellites posted: 10:15 am ET By Leonard Davide, Senior Space Writer Here's a way to float a great idea. Equip a range of seagoing vessels including private yachts and passenger cruise ships with science gear to provide real-time information helpful in calibrating satellite data about Earth's endangered oceans. Current weather conditions, sea surface temperature, salt content, phytoplankto n levels, even getting an early look at the build-up of El Nino conditions - these and other measurements are part of a do-it-yourself campaign to help save the oceans. The International SeaKeepers Society, headquartered in Miami, Florida, is outfitting luxury yachts, other vessels, and platforms around the world with ocean and atmospheric monitoring sensors. Stuffed inside compact instrument modules, the sensors gather and transmit findings via satellite to scientists around the globe. The health of the oceans, changing weather, shifts in climate, sources of pollution and other threats to human life and marine resources can be examined.

50. House Committee On Science NOAA has supplied space weather monitoring and forecasting information to NASA for every human space flight mission since Apollo 8. This information affects http://www.house.gov/science/hearings/ets03/oct30/grunsfeld.htm

Your browser does not support script Search Science Committee Pages Select number of results displayed per page Statement of John M. Grunsfeld, Ph.D. Chief Scientist and Astronaut National Aeronautics and Space Administration Before the Subcommittee on Environment, Technology, and Standards Committee on Science House of Representatives October 30, 2003 The Chandra X-Ray Observatory and the recently launched Space Infrared Telescope Facility both use the SEC observations of solar wind conditions and geomagnetic activity as a critical input to their real-time models of the Earth's radiation environment. These models allow us to adjust our operations to mitigate sensor degradation and data loss. The result is that NASA is able to ensure optimal scientific return from these two flagship missions. The SEC observations are also crucial to NASA-funded research exploring the Sun-Earth connection. The Sun affects the entire solar system, including all scientific data collection satellites. Minimizing radiation exposure for Shuttle and International Space Station crews is imperative. NASA has sought the advice of the National Council on Radiation Protection and Measurements concerning radiation exposure limits for our astronauts, and uses this advice in setting radiation dosage limits. NASA's radiation protection efforts are further guided by the ALARA (As Low as Reasonably Achievable) principle. Without the data provided by SEC, NASA would have to reassess its operations to protect against exposure to radiation events occurring without warning.

51. Aurora Watching In Minnesota You can also download a FREE trial version of the STD Aurora Monitor Software 2.0 a space weather monitoring package you can run on your PC. http://ham.space.umn.edu/spacephys/aurora.html

Did You Know... that if conditions are just right, we can see the aurora borealis here in Minnesota? Although the northern lights are normally only visible at very high latitudes in places like Alaska and Canada, on extremely active days the auroral oval expands to more southern latitudes. The Space Physics Research Group at the University of Minnesota in Minneapolis created this web site to share the beauty of the northern lights with you. This site features photographs of the aurora borealis taken in Minnesota by Professor John Winckler, as well as links to other aurora images on the WWW. We have also included information on space weather forecasts, and lists of resources essential for every aurora watcher. Check out the latest aurora sightings in Minnesota, or submit your own report Aurora Gallery Visit our Aurora Gallery to see examples of what the aurora borealis looks like when it is visible in Minnesota. The Aurora Gallery features photographs of the auroral borealis taken by University of Minnesota Professor Emeritus John Winckler. Dr. Winckler received his Ph.D. from Princeton in 1946 and is an expert in the field of space physics - the study of Earth's magnetosphere, the solar wind, and the aurora. These photographs were taken by Dr. Winckler at the

52. NOAA Education - Coolsites For Everyone ( Satellites And Space ) ocean dynamics research, volcanic eruption monitoring, forest fire floods, ice, oil spills, severe weather, snow, and can see the earth from space and track http://www.education.noaa.gov/cspace.html

HOME Coolsites for Everyone SATELLITES NOAA's Satellites - NOAA operates the nation's system of environmental (weather) satellites and manages the processing and distribution of the millions of bits of data and images that these satellites produce daily. The primary customer of satellite information is NOAA's National Weather Service, which uses the data to create forecasts for the public, television, radio, and weather advisory services. There are two types of satellites: the geostationary operational environmental satellites (GOES) for short-range warning and "now-casting". Click here to go to the NOAA page on geostationary satellites. Polar-orbiting satellites are used for longer-term forecasting. Click here to learn more about the polar orbiting satellites. Both types of satellites are necessary for providing complete global weather monitoring. Geostationary Satellites GOES satellites provide the kind of continuous monitoring necessary for intensive data analysis. They circle the Earth in a geosynchronous orbit, which means they orbit the equatorial plane of the Earth at a speed matching the Earth's rotation. This allows them to hover continuously over one position on the surface. Because they stay above a fixed spot on the surface, they provide a constant vigil for the atmospheric "triggers" for severe weather conditions such as tornadoes, flash floods, hail storms, and hurricanes. www.oso.noaa.gov/goes/index.htm

53. NOAA Education - Specially For Teachers ( Satellites And Space ) A Primer on the space Environment It has been supports a broad range of environmental monitoring applications including weather analysis and http://www.education.noaa.gov/tspace.html

HOME Specially for Teachers These items are designed for the teacher to use in the classroom or as background reference material. There is also information about programs that provide training and other opportunities for educators. Taking the "Pulse" of the Planet - To learn more about NOAA's role in Earth Observing Systems, go to the blue text at the bottom of this page. SATELLITES NOAA's Satellites - NOAA operates the nation's system of environmental (weather) satellites and manages the processing and distribution of the millions of bits of data and images that these satellites produce daily. The primary customer of satellite information is NOAA's National Weather Service, which uses the data to create forecasts for the public, television, radio, and weather advisory services. There are two types of satellites: the geostationary operational environmental satellites (GOES) for short-range warning and "now-casting". Click here to go to the main NOAA page on geostationary satellites. Polar-orbiting satellites are used for longer-term forecasting. Click here to learn more about the polar orbiting satellites. Both types of satellites are necessary for providing complete global weather monitoring.

54. CSA - Environmental Monitoring And Prediction weather forecasting? The fact that Canada has the capability and interest to monitor the Arctic, suggests that the space program might accept Arctic monitoring http://www.space.gc.ca/asc/eng/csa_sectors/space_science/atmospheric/environment

Contact Us Help Search Canada Site ... Home Page SEARCH: Other search options Atmospheric Environment Environmental Monitoring and Prediction Lead authors I. Zawadzki and D. Wardle Introduction Monitoring and Prediction of the atmosphere is a required undertaking if mankind is to manage effectively its resources, plan adequately its activities, and protect itself from its own influence on the environment as well as from the naturally changing state of the atmosphere. Scientific Issues Air quality Weather and Climate New techniques of providing large volumes of spatially and temporally dense measurements are becoming possible: active sounding of the atmosphere using GPS receivers on the ground and in low Earth orbit monitoring of winds from aerosol lidar reflection or from thermal emission complemented by surface-based networks of wind profilers, and monitoring of stratospheric and tropospheric ozone. It is a challenge for data assimilation researchers to estimate how much the new measurements of the traditional dynamic variables (wind, temperature) and of the related variables such as water vapour, ozone and SO2 will improve the quality of 1-5 day forecasts. Clouds give rise to a larger variation in the radiation budget of the atmosphere than any other variable factor. Space-based measurements allow the radiative properties of clouds to be studied on a very large number of different clouds and the results are likely to improve the characterization of cloud in NWP and climate models. At this time there are very significant uncertainties even in the clear-sky atmospheric absorption of solar radiation.

55. Jena-Optronik | Space Instruments And Subsystems | CHAMP operational use of spaceborne GPS observations for atmospheric and ionospheric research and applications in weather prediction and space weather monitoring. http://www.jena-optronik.de/spaceinstruments/champ.html

RAPIDEYE CHAMP GSE INTEGRAL ACS ... MIRKA CHAMP Challenging Mini-Satellite Payload for Geophysical Research and Application CHAMP © GFZ Potsdam Click here , and see a Movie from the CHAMP. CHAMP (CHAllenging Minisatellite Payload) is a German small satellite mission for geoscientific and atmospheric research and applications, managed by Geo-Forschungszentrum Potsdam Science: global Earth gravity and magnetic field modeling atmosphere / ionosphere sounding Payloads: Onera accelerometer Fluxgate magnetometer Overhauser magnetometer digital ionen driftmeter GPS receiver laser retroreflector Mission: operating since 15. July 2000 Orbit: Mass: Power: 140 W Dimensions: 4.35x1.6x1 m (body)

56. Monitoring NASA Communications Johnson space CenterHouston, Texas Administrative net Approach//Departure Services ASOS weather System 119.175 monitoring NASA Communications This page last http://www.monitoringtimes.com/nasa.html

Monitoring NASA Communications Monitoring Times and may not be reproduced in any form without permission of the assistant editor of Monitoring Times magazine. Websites may freely link to this page without permission of the author or Grove. This page is updated often and without notice so a link would be better suited for your website rather than a complete download of the list . We do ask if you link to this list a quick email notification of the link would be appreciated at the email address larry@grove-ent.com This frequency list was last updated on June 25, 2003 Monitoring Times NASA/Space Shuttle Mission Frequency Guide By Larry Van Horn and Bob Grove AMATEUR RADIO SPACE SHUTTLE AUDIO/VIDEO RETRANSMISSIONS VHF/UHF Broadcast (MHz): 444.200 Birmingham, AL (WO4W) 443.300 Loma Prieta, CA (KB5JR) 1241.25 Mt. Wilson, CA (K6KMN) 147.150 Pasadena, CA (WR6JPL/R-Jet Propulsion Lab) 145.160 Cheyenne Mountain, CO (Colorado Repeater Assoc) http://www.rmsd.com/hamradio/cra/

57. KSC/CCAFB Space Shuttle And Rocket Launch Frequencies weather WARNINGS weather warnings are transmitted over most KSC on monitoring NASA frequencies go to the monitoring Times The www.ksc.nasa.gov or space.com at http://home.cfl.rr.com/scanner/launch.htm

See Brevard County Military Trunked Systems for more information. KENNEDY SPACE CENTER PRIMARY LAUNCH FREQUENCIES NET FREQUENCY CTCSS USE CALLSIGN Utilities "Base Ops", "Bravo Control", "Eagle Control", "High Voltage Control" Measurements "LTS", "Instrumentation" Security Net "Control", "Security Launch Console" Launch Support "Alpha Control" "JVAC" "STM" "JSCC" "PSMA" "Elevator Base" "Life Support Base" "Badger Base" Pad-A Safety Net "Safety Console", "NTD", "Final Inspection Team", "Rescue Leader" Base Supply "Maintenance" Base Operations "Base Ops", "Maintenance #", "GYCC", "GYCJ" "GYBW" Public Affairs "News Center", "Press Site" Launch Pad Ops "Pad Leader", "NTD", "NPM" Loan Pool No longer used? SRB Recovery Ops No longer used?

58. HobbySpace - Space Radio pages include Satellite Sound (wav) Files Satellite Status and monitoring tips for Russian Navigation Satellites US space Shuttle weather Satellites Amateur http://www.hobbyspace.com/Radio/

HobbySpace Activism Art Astronomy ... About HobbySpace Space Radio Tuning in the cosmos... NOAA weather satellite image received by a low cost PC based satellite station system Communicate with astronauts aboard the Space Station Monitor satellite transmissions Listen to erie Natural Radio ... Use amateur satellite transponders to talk to other hams around the world I'm sure that few people even in the space activist community realize the extent of the involvement of amateur radio enthusiasts with space. See below just a partial list of the firsts achieved by the amateur space radio enthusiasts. They have truly been the pioneers in public participation in space development. Home Satellite Station Check out the section on assembling a low cost, easy-to-build ground station to receive weather satellite images. No ham radio license or special training needed.

59. GLACIER: Weather- -- Weathertools stations still are required for weather monitoring; satellites cannot measure surface pressures! Illustration of a weather satellite. Antarctica from space. http://www.glacier.rice.edu/weather/3_weathertools.html

Interestingly, the decline of whaling has had at least one adverse impact (though not for the whales); in their heyday, whaling fleets provided significant coverage of Southern Ocean weather. Automatic Weather Stations (AWS) are placed in fairly remote regions of Antarctica. They usually are durable enough to survive a year (or more) without maintenance. They are equipped with power source, a means to measure temperature, humidity, atmospheric pressure, and wind speed and direction, a microcomputer for operating parameters, and a communications device for sending the acquired information (usually via satellite). These important pieces of equipment fill in gaps between manned stations. Two recent projects, involving approximately 20 AWS's, have been undertaken on Ross Ice Shelf and in the region between Dumont d'Urville and Dome C. The Ross Ice Shelf project is examining the wind field across the shelf. The second project involves studying some of the strongest katabatic winds in the Antarctic. An AWS system also is in place in the Antarctic Peninsula region. An Automatic Weather Station ready for deployment on its next mission.

60. Spaceflight Now | Breaking News | Iridium Satellites Used To Map Global Space We Earth s polar regions, providing the first continuous monitoring of electric greatly improved understanding and forecasting of global space weather and help http://spaceflightnow.com/news/n0012/27iridiumsci/

Iridium satellites used to map global space weather JOHNS HOPKINS UNIVERSITY NEWS RELEASE Posted: December 27, 2000 An artist's concept of an Iridium satellite. Motorola Researchers at The Johns Hopkins University Applied Physics Laboratory, Laurel, Md., (APL) are now able to simultaneously measure the magnetic and electrical fields over large areas of the ionosphere above the Earth's polar regions, providing the first continuous monitoring of electric currents between space and the upper atmosphere and generating the first maps of electric power flowing into the polar upper atmosphere. These advances will allow greatly improved understanding and forecasting of global space weather and help prevent disruption of communication and power systems when electromagnetic storms strike the nation. The work, sponsored by the National Science Foundation, makes use of magnetometers carried on each of the 66 satellites of the Iridium System satellite constellation operating as a global satellite communications network. Circling the globe in 470-mile-high, polar orbits, they are providing continuous measurements of the magnetic fields above the Earth's poles. Scientists at JHU/APL have developed techniques to extract the signatures of electrical currents flowing between the atmosphere and space from the magnetic field readings. Maps of the electric current in space are then constructed in much the same way that normal weather maps are made from weather station readings. At the same time, SuperDARN - the Super Dual Auroral Radar Network, a multinational network of a dozen radars spread around the poles to study the ionosphere, sponsored by NSF and NASA and led by APL scientist Dr. Raymond A. Greenwald - is bouncing radar signals off the same regions to measure the electric field and its minute-by-minute variations.

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