TAG: IRNSS

NovAtel Supplies Reference Receivers for IRNSS Ground Segment

December 23, 2013By
NovAtel-G-III-Receiver-O

NovAtel Inc., a manufacturer of GNSS precise positioning technology, has announced an agreement with the Indian Space Research Organisation (ISRO) to supply reference receiver products for use in the Indian Regional Navigation Satellite System (IRNSS) ground segment. India-based Elcome Technologies Pvt. Limited, a sister company to NovAtel in the Hexagon Group of Companies, will provide local integration, training and technical... read more

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

The System: IRNSS Signal Close up

September 1, 2013By and

IRNSS Signal Close up By Richard Langley, Steffen Thoelert, and Michael Meurer The spectrum of signals from IRNSS-1A, the first satellite in the Indian Regional Navigation Satellite System, as recorded by German Aerospace Center researchers in late July, appears to be consistent with a combination of BPSK(1) and BOC(5,2) modulation. Figure 1 shows that, centered at 1176.45 MHz, the signal... read more

This article is tagged with and posted in Augmentation & Assistance, Galileo, GLONASS, GPS Modernization, The System

The System: IRNSS Success, GLONASS Bellyflop

August 1, 2013By

IRNSS Success The Indian Regional Navigation Satellite System (IRNSS) successfully launched its first satellite on July 1 from the Satish Dhawan Space Centre at Sriharikota spaceport on the Bay of Bengal. An Indian-built Polar Satellite Launch Vehicle PSLV-C22, XL version, carried the 1,425-kg satellite aloft. IRNSS-1A is the first of seven satellites that will make up the new constellation: four satellites... read more

This article is tagged with , , and posted in GLONASS, GPS Modernization, The System

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

This article is tagged with , and posted in Augmentation & Assistance, GNSS News, Latest News

Out in Front: A Star Is Born

July 24, 2013By

Welcome to the club, India, and happy Birth Day. With the July 1 launch of IRNSS-1A, India and the Indian Regional Navigation Satellite System have officially joined the GNSSS (Global Navigation Satellite Systems Society). With full membership, however, come some society duties and responsibilities. Chief and first among these is to provide all other society members and interested parties with... read more

This article is tagged with , and posted in Augmentation & Assistance, From the Editor, GNSS Opinions

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

This article is tagged with , and posted in Augmentation & Assistance, GNSS News, Latest News

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

This article is tagged with , and posted in Augmentation & Assistance, Latest News