GNSS

Lockheed Receives $200M for GPS III 5 and 6

December 17, 2013By
GPSIII-prototype-ocx-test-O

Lockheed Martin Corporation has been awarded $200 million to produce GPS III satellites 05 and0 6 by the U.S. Air Force. Lockheed Marin originally received funding to procure long-lead parts for satellites five through eight (SV 05-08) in February. The award is a $200,700,415 cost-plus-incentive-fee modification (P00276) on an existing contract (FA8807-08-C-0010). Work will be performed at Littleton, Colorado, and... read more

Air Force Directs Early Civil Navigation (CNAV) Message-Populated L2C and L5 Signals

December 17, 2013By

The U.S. Air Force is directing transmission of continuous CNAV message-populated L2C and L5 signals starting in April 2014. The move is designed to help development of user equipment compatible with the civil signals. Full text of the CNAV memo appears below. MEMORANDUM FOR THE NATIONAL COORDINATION OFFICE FOR SPACE BASED POSITIONING, NAVIGATION AND TIMING ATTENTION: DR. JAN BRECHT-CLARK FROM:... read more

Father of GPS Brad Parkinson to Deliver Keynote at ENC 2014

December 16, 2013By

Bradford Parkinson, who is known as “the father of GPS,” will give a keynote speech during the opening session of the European Navigation Conference 2014. The conference will be held April 15-17, 2014, in Rotterdam, The Netherlands. Parkinson’s speech is titled “Assured PNT – Assured World Economic Benefits.” Representatives of the European Commission, the European GNSS Agency, and the European... read more

This article is tagged with and posted in Galileo, GNSS News, Latest News

Galileo Achieves First Airborne Tracking

December 12, 2013By
Aircraft position as obtained by Galileo-only receiver during Netherlands flight.

The European Space Agency’s Galileo satellites have achieved their first aerial fix of longitude, latitude and altitude, enabling the inflight tracking of a test aircraft. ESA’s four Galileo satellites in orbit have supported months of positioning tests on the ground across Europe since the first fix in March. Now the first aerial tracking using Galileo has taken place, marking the... read more

Galileo Position Fix with Open Source Software Receiver Achieved

December 6, 2013By
GNSS-SDR-O

For the first time, position fixes in real time using signals from Galileo have been achieved with an open source software receiver. The milestone was achieved by a research team from the Statistical Inference Department here at the Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), which manages the development of the open source project GNSS-SDR. read more

Galileo’s First Two FOC Satellites Endure Simulated Space Tests

December 2, 2013By
Galileo_slid_out_of_Phenix_test_chamber-O

ESA’s newest Galileo satellite has emerged from five weeks of simulated space conditions. On Friday, a hatch slid open to end its thermal-vacuum test, a milestone on the way to orbit. The satellite was placed in the 4.5-meter-diameter Phenix chamber in ESA’s ESTEC Test Centre in Noordwijk, the Netherlands, in late October. Once inside, the air was pumped out to... read more

This article is tagged with and posted in Featured Stories, Galileo, GNSS News, Latest News

Directions 2014: Great Expectations

December 1, 2013By
Peter Large

By Peter O. Large, Vice President, Trimble November 29, 2013, marks the 210th anniversary of the birth of Christian Doppler. His work laid down the fundamental concepts that enabled researchers at Johns Hopkins University in the United States to make observations on the signals of Sputnik I during the International Geophysical Year of 1957. From those observations more than 60... read more

Directions 2014: Galileo IOV Passes with Flying Colors

December 1, 2013By

Following the second Galileo launch in October 2012, leading to four operational satellites in orbit, a progressive chain of events has taken place in 2013 encompassing all Galileo Services, starting from the first position fix on March 12 (Figure 1), when navigation message continuous broadcast began. read more