Global Navigation Satellite Systems Engineering, Policy, and Design
Dr. Inder Gupta, The Ohio State UniversityChris Bartone, Ohio UniversityWith new signals and frequencies coming on line with modernized GNSSs, antennas play a more crucial role than ever in receiver system design.
Antennas are often an overlooked or undervalued aspect of GNSS user equipment.
By Inside GNSS
Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe’s Galileo Operations and Evolution.
By Inside GNSS
The sixth European Workshop on GNSS Signals and Signal Processing will take place at the University FAF Munich in Germany on December 5 and 6, 2013.
EquationsDuring the past two decades, the Global Positioning System, together with other GNSSes, has become an essential element of the global information infrastructure, with myriad applications in almost every facets of modern businesses and lifestyles, including communication, energy distribution, finance and insurance, and transportation. Ever-growing dependence on GNSS creates strong incentives to attack civil GNSS, for either an illegitimate advantage or a terrorism purpose.
By Inside GNSS
Logan Scott, LS ConsultingSometimes GNSS spoofing seems a bit like UFOs: much speculation, occasional alarms at suspected instances, but little real-world evidence of its existence.
As far back as 2001, a U.S. Department of Transportation Volpe Center report suggested that as GPS further penetrates into the civil infrastructure, “it becomes a tempting target that could be exploited by individuals, groups or countries”.
By Inside GNSS
In a part of the world where frustrated drivers will park anywhere, including squarely on a sidewalk, a local newspaper is using location data to shame car owners into shaping up.
The Village, a Russian online publication serving Moscow, St. Petersburg and Kiev; created a free app that notes a badly parked vehicle’s make, color, and license plate information when users snap its picture.
By Dee Ann Divis
One of 12 magnetograms recorded at Greenwich Observatory during the Great Geomagnetic Storm of 1859
1996 soccer game in the Midwest, (Rick Dikeman image)
Nouméa ground station after the flood
A pencil and a coffee cup show the size of NASA’s teeny tiny PhoneSat
Bonus Hotspot: Naro Tartaruga AUV
Pacific lamprey spawning (photo by Jeremy Monroe, Fresh Waters Illustrated)
“Return of the Bucentaurn to the Molo on Ascension Day”, by (Giovanni Antonio Canal) Canaletto
The U.S. Naval Observatory Alternate Master Clock at 2nd Space Operations Squadron, Schriever AFB in Colorado. This photo was taken in January, 2006 during the addition of a leap second. The USNO master clocks control GPS timing. They are accurate to within one second every 20 million years (Satellites are so picky! Humans, on the other hand, just want to know if we’re too late for lunch) USAF photo by A1C Jason Ridder. 
Detail of Compass/ BeiDou2 system diagram
Hotspot 6: Beluga A300 600ST
1. ASHES & AIRPLANES
Boulder, Colorado USA
NovAtel OEM638NovAtel Inc. has announced the addition of the two receivers and two antennas to its GNSS product lines: the OEM638 GNSS receiver card, ProPak6 enclosure, SMART6 integrated antenna, and AG-STAR antenna.
By Inside GNSS
The past 15 years have witnessed tremendous developments of new and modernized satellite-based navigation (satnav) systems, including GNSSs, regional systems, and space-based augmentation systems (SBASs). These have been enabled by the original designs of GPS and GLONASS and, in turn, have stimulated the design of satnav signal structures with different characteristics from those pioneer systems.
By Inside GNSS
Specifically designed for those attending the 2013 Institute of Navigation GNSS conference, this four-day course will take place before that event on Friday, September 13; Saturday, September 14; Monday, September 16 and Tuesday, September 17 in Nashville, Tennessee.
It will be taught by Dr. John Betz, the MITRE Corporation.
This course requires a solid background in GPS and familiarity with basic signal processing techniques and engineering mathematics.
By Inside GNSS
Doctoral-level graduate students and early-career engineers, researchers and instructors from Japan and the rest of the world will meet at a weeklong summer seminar this August in Tokyo, sponsored by the Institute of Positioning, Navigation and Timing of Japan.
The summer school will take place in from August 19 through August 24 at the Tokyo University of Marine Science and Technology (TUMSAT). Classes wil be held in English.
Nikolay Testoyedov, Information Satellite Systems – Reshetnev CompanyRussia reportedly will launch two GLONASS-M satellites this summer to compensate for the loss of a trio of the nation’s GNSS spacecraft in a July 2 failure of a Proton launch with three GLONASS-Ms on board.
By Inside GNSS
A special commission conducting a criminal investigation into the failed attempt on Tuesday (July 2, 2013) to place three GLONASS satellites into orbit is looking at premature launch as a likely cause of the Proton-M rocket crash.
Citing an unnamed space industry source, the official RIA Novosti news agency said that the commission, headed by Russian Deputy Prime Minister Dmitry Rogozin, is also considering other possible scenarios surrounding the botched launch at the Baikonur space facility in Kazahkstan.
By Inside GNSS
