TAG: IRNSS

System of Systems: GPS III bidding, testing

February 9, 2016By
IRNSS 1D in earlier lab testing.

GPS III Bidding Opens — Again The GPS Directorate at the Space and Missile Systems Center (SMC) continues to look for someone to build 22 GPS III satellites in the near future. SMC issued a request for proposals on Jan. 8, with rather complicated terms. The first eight GPS III satellites are already under contract, and two have been built,... read more

India’s fifth navigation satellite launched

January 20, 2016By
IRNSS-1E-launch-O

The fifth satellite in the Indian Regional Navigation Satellite System (IRNSS) constellation lifted off on time Jan. 20 from Satish Dhawan Space Center on Sriharikota Island, on India’s east coast. As in the previous four launches of IRNSS satellites, the navigation satellite rode aboard a Polar Satellite Launch Vehicle (PSLV). This is the 33rd launch for the PSLV. After the PSLV-C31 lift-off at 0401 GMT Wednesday (11:01... read more

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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The System: All Systems Go, with a Spring into Space

May 1, 2015By

Planet Earth gained five new navigation satellites in late March, for four satellite systems. GPS. The U.S. Air Force’s ninth GPS Block IIF satellite (GPS IIF-9) launched on March 25 from Cape Canaveral, Fla. The IIF-9 rode aboard a Delta IV rocket, the workhorse of the GPS fleet for successful launches. The satellite was declared operational on April 21. “Many... read more

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IRNSS-1D Reaches Orbital Slot

April 9, 2015By
irnss_constellation-W

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

The System: Celebrating 20 Years of GPS

April 1, 2015By
GPSIIF-launch-ULA-8

April marks the 20th anniversary of GPS FOC. U.S. Air Force Space Command declared Full Operational Capability (FOC) for the GPS constellation April 27, 1995, signifying the system met all requirements with 24 operational Block II/IIA satellites in their assigned orbital slots and providing both the military Precise Positioning Service (PPS) performance standard and the civil Standard Positioning Service (SPS)... read more

Spectracom Adds India’s IRNSS, Japan’s QZSS to Simulator Capabilities

March 31, 2015By
Spectracom’s GSG-6 Series multi-frequency GNSS signal simulator.

Spectracom has added capability to simulate India’s global navigation satellite system, IRNSS, and Japan’s regional satellite system, QZSS, to its GSG-6 Series multi-frequency GNSS signal simulator. The simulator is designed to be field upgradeable to simulate all current and future GNSS constellations so current customers can benefit from these features without the need for a factory return in most cases. “Spectracom understands... read more

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India’s IRNSS-1D Launched into Orbit

March 30, 2015By
IRNSS-1D-1-launch-O

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