TAG: IRNSS

Indian Regional Navigation Satellite Starts Signal Transmissions

July 25, 2013By
FIGURE 2. IQ constellation diagram of IRNSS-1A L5 signal.

By Richard B. Langley Update (July 29, 2013): The spectrum recorded by the German Aerospace Center researchers appears to be consistent with a combination of BPSK(1) and BOC(5,2) modulation. This is the signal structure that ISRO announced would be used for IRNSS transmissions in the L-band: “The IRNSS signals consist of two special services namely Standard Positioning Service (SPS) and... read more

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IRNSS-1A Reaches Preliminary Destination Orbit

July 11, 2013By

News courtesy of CANSPACE listserv. Following the July 1 launch of the Indian Regional Navigation Satellite System 1A satellite, five orbit maneuvers were to be conducted by the master control facility to position the satellite in its circular inclined geosynchronous orbit (IGSO) with an equator crossing at 55 degrees east longitude. Reports indicate that orbit raising maneuvers have been completed with... read more

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India Launches First Navigation Satellite

July 1, 2013By
Screen shot 2013-07-01 at 3.07.57 PM

News courtesy of CANSPACE Listserv. The first satellite of the Indian Regional Navigation Satellite System (IRNSS) was successfully launched today. The launch of IRNSS-1A occurred on schedule at is scheduled for 18:13 UTC from the spaceport of Sriharikota. Liftoff from the first launch pad at the Satish Dhawan Space Centre occurred on schedule at 18:11 UTC. The 1,425-kg satellite was launched... read more

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India’s First Navigation Satellite to Lift Off Today

June 28, 2013By
sat6

News courtesy of CANSPACE Listserv. Launch of the first satellite for the Indian Regional Navigation Satellite System (IRNSS) is scheduled for 18:13 UTC on July 1. Launch rehearsal has been completed successfully. The 64-hour countdown is expected to start at 7:11 (IST) tomorrow, June 29, and the launch will take place from the spaceport of Sriharikota. The 1,425 kg satellite... read more

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The System: Galileo Leaves the Building

June 1, 2013By
Galileo-OHB-FOC-Opener

In the early hours of May 15, Galileo’s first full operational capability (FOC) satellite left manufacturer OHB System AG’s integration hall in Bremen, Germany, after successfully completing integration and system testing. Later that same day, it arrived by road at the European Space Agency’s (ESA’s) technical center at Noordwijk in the Netherlands for a rigorous set of tests to check... read more

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