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November 16, 2016

NASA to Launch Satellite-Based GNSS Hurricane Watch

NASA plans to launch the Cyclone GNSS (CYGNSS) hurricane mission aboard a Pegasus XL rocket on December 12 from Cape Canaveral Air Force Station in Florida. CYGNSS, which is NASA's first Earth science small-satellite constellation, will help improve hurricane intensity, tracking, and storm surge forecasts, the agency said.

November 16, 2016

NOAA Expands GNSS Data Sources for Weather Prediction

The National Oceanic and Atmospheric Administration (NOAA) will purchase data from small commercial satellites to expand its GNSS radio occultation (RO) efforts to better predict weather.

In September NOAA, through the government's Commercial Weather Data Pilot program, awarded contracts to San Francisco, California-based Spire Global ($370,000) and GeoOptics ($695,000), of Pasadena, California, to provide RO data. This data will be used to assess whether commercially provided information can be incorporated into the agency's weather models.

November 16, 2016

NASA Breaks Guinness World Record for Highest GPS Altitude Fix

NASA's Magnetospheric Multiscale (MMS) mission broke the Guinness World Record for highest altitude fix of a GPS signal, the agency announced this week. The MMS satellites, operating in a highly elliptical orbit, set the record at 43,500 miles above the Earth.

The four MMS satellites incorporate GPS measurements into their tracking systems for position and orbit calculations to guide tight formations, NASA said.

November 16, 2016

Congress Likely to Delay Action on Budget Items, Affecting GPS

Congress is back in Washington with a December 9 deadline to pass the 2017 Fiscal Year (FY17) federal budget and avoid a government shutdown.

Lawmakers are widely expected to pass another continuing resolution, or CR, leaving the final decisions on the FY17 budget until after President-elect Donald Trump takes office in January — an approach that could both help and hurt the Pentagon's GPS modernization effort.

November 14, 2016

A Short History of Radio Waves and GPS: Parkinson Receives Marconi Prize

Probably no one else could have accomplished Brad Parkinson’s bravura performance at the joint meeting of the Stanford PNT Symposium/Marconi Society earlier this month: in the morning sketch a “short history” of radio waves from Marconi to GPS  and in the evening recount a brief retrospective on the Global Positioning System from its prehistory in the 1960s to its future in the 21st century.

And in between moderate a panel of past Marconi Fellows, among whom Parkinson is the latest addition.

October 31, 2016

RTCA to Weigh Ligado Proposal

Federal aviation officials have asked the RTCA, Inc., standards organization to comment on a plan designed to help prevent a proposed wireless broadband network from interfering with the certified GPS receivers used by aircraft.

October 31, 2016

Handling an Embarrassment of Riches — Too Many Satellites

Experts working on standards for airborne equipment using GPS, Galileo, and a satellite-based augmentation system (SBAS) appear to have found a way to deal with an unusual problem — too many satellites.

October 27, 2016

ESNC Features Growing Drone Presence

Unmanned aerial systems (UAS), or drones, highlighted the entries at the 2016 European Satellite Navigation Competition (ESNC).

October 25, 2016

NASA and ESA to Test GPS/Galileo Receivers on Board the International Space Station

The National Aeronautics and Space Administration (NASA), the European Space Agency (ESA) and Qascom, an Italian company specializing in Galileo, are collaborating to build the first GPS and Galileo receiver to be tested on board the International Space Station (ISS) Space Communications and Navigation (SCaN) Testbed.

October 16, 2016

GPS Adjacent Band Study Shows Need for Interference Tolerance Masks

The U.S. Department of Transportation (DoT) has released the first data from its study of power levels for services seeking to use spectrum near GNSS frequencies for ground-based and other applications that could interfere with satellite navigation.

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