TAG: navigation satellite

Innovation: Laser ranging to GNSS satellites

May 24, 2017By

In this article, author Urs Hugentobler looks at the history of laser ranging to navigation satellites, how that ranging has improved the accuracy of the orbits of those satellites, and what the future portends for this important contribution to space geodesy. read more

China launches pulsar navigation satellite

November 14, 2016By

China has successfully launched a navigation satellite that will conduct in-orbit experiments using pulsar detectors to demonstrate new technologies, reports The Indian Express. The X-ray pulsar navigation satellite XPNAV-1 was launched Nov. 10 atop a Long March 11 solid-fueled rocket from the Jiuquan Satellite Launch Center in China’s northwest. The experimental pulsar navigation mission carries two sensors to pick up... read more

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IRNSS-1D Reaches Orbital Slot

April 9, 2015By

News courtesy of CANSPACE Listserv. The fourth satellite in the Indian Regional Navigation Satellite System, launched on March 28, has arrived at its designated orbital slot. Based on data supplied by the U.S. Joint Space Operations Center, IRNSS-1D is in an inclined geosynchronous orbit with an inclination of 30.5 degrees and a nodal longitude of 111.7 degrees east, within the... read more

India’s IRNSS-1D Launched into Orbit

March 30, 2015By

The fourth satellite of IRNSS satellite navigation constellation, IRNSS-1D, was launched onboard PSLV-C27 on Saturday, March 28, according to the Indian Space Research Organization (ISRO). The Polar Satellite Launch Vehicle blasted off at 11:49 GMT (7:49 a.m. EST), or 5:19 p.m. local time, at the Satish Dhawan Space Center on India’s east coast. This is the fourth successful launch of a navigation satellite... read more