Newest GNSS Satellites Being Tracked

October 12, 2015By

News courtesy of CANSPACE Listserv. Galileo has added two satellites to its constellation. Shortly after the Galileo satellite using the E24 PRN code started transmitting, its sibling began transmitting using code E30. Several stations participating in the International GNSS Service Multi-GNSS Experiment are tracking the new satellites. Prof. René Warnant from the University of Liege has reported that as of 10 October,... read more

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ISRO: All 7 IRNSS Satellites in Orbit by March

October 8, 2015By

All seven satellites of Indian Regional Navigation Satellite System (IRNSS) are expected to be in orbit by March 2016, reports New Delhi Television, citing Indian Space Research Organisation (ISRO) Chairman Kiran Kumar. “We expect by March 2016 all the seven constellation of IRNSS to be in orbit,” Kumar said. Four IRNSS satellites are now in orbit, with three remaining to complete... read more

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Innovation: Faster, Higher, Stronger

October 8, 2015By
FIGURE 2. Typical sequence of position fix process in standalone GPS user equipment (Msr=measurements).

Proposed GNSS Navigation Messages for Improved Performance
In this month’s column, we look at proposed changes to the way navigation messages are formulated that could result in a future satellite navigation system providing faster fixes effectively giving receivers higher sensitivity and stronger performance. read more

GPS III Launch Services RFP Released by Air Force

September 30, 2015By

The U.S. Air Force released a final Request for Proposal (RFP) for GPS III Launch Services on Sept. 30. Launch services include launch vehicle production, mission integration and launch operations for a GPS III mission scheduled to launch in 2018. Proposals are due back to the Air Force no later than Nov. 16 in accordance with the solicitation instructions. After evaluating proposals through... read more

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Galileo Space-Borne, Industry Land-Bound

September 30, 2015By

Galileo’s latest pair of full operational capability (FOC) satellites now orbit proudly in space, “performing beautifully.” The first two FOC birds may soon shift their focus from navigation to gravity experiments instead. Meanwhile, as the European Space Agency tries to fly, European industry seeks firmly grounded support in the form of an industrial policy and economic stimuli, expressing concern that the current situation... read more

CGSIC Meeting Report Provided by NAVCEN

September 30, 2015By

Rick Hamilton, CGSIC Executive Secretariat of the U.S. Coast Guard Navigation Center (NAVCEN) provided the following report on the Civil GPS Service Interface Committee (CGSIC) conference, which took place Sept. 14-15 in Tampa, Fla., before the Institute of Navigation’s ION GNSS+ conference. All CGSIC: On the 14th and 15th of September, the 55th meeting of the Civil GPS Service Interface... read more

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China Launches 20th BeiDou Satellite with Hydrogen Clock

September 30, 2015By

China launched a new-generation BeiDou satellite into orbit at 7:13 a.m. China Standard Time on Wednesday, Sept. 30, according to the Xinhua News Agency, the 20th satellite for the BeiDou Navigation Satellite System. The satellite was launched from Xichang Satellite Launch Center in the southwestern province of Sichuan aboard a Long March-3B carrier rocket. In a first for BeiDou, the new BeiDou... read more

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The System: Galileo Turning Ten

September 30, 2015By
Galileo 9 and 10 lift off. (Credit: ESA)

Galileo satellites 9 and 10 are functioning perfectly, and the initial series of flight operations is continuing as part of the critical launch and early orbit phase, according to a European Space Agency Rocket Science blog by Daniel Scuka, senior editor for Spacecraft Operations at ESOC, ESA’s European Space Operations Centre, Darmstadt, Germany. Galileo 9 and 10 lifted off together... read more

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