TAG: ICD

IRNSS Signal in Space ICD Released

September 25, 2014By

News courtesy of CANSPACE Listserv. The Indian Space Research Organization (ISRO) has released Version 1 of the Indian Regional Navigational Satellite System (IRNSS) Signal in Space Interface Control Document for the Standard Positioning Service. The document provides information on the signals and structures of the IRNSS system, including signal modulations, frequency bands, received power levels, the data structures and their... read more

Galileo and Compass: A Tale of Also-Runnings

December 19, 2012By

Beating up the backstretch neck and neck, tied for third in the GNSS race, Galileo and Compass today offer some signals and some satellites to GNSS users — as long as those users are researchers. Galileo has more going for it in the way of signals, while Compass holds an edge in the number of satellites. Without an interface control... read more

Compass ICD Rumored Again

December 18, 2012By

A GNSS industry representative stationed in Shanghai, China sent this message recently to a U.S. colleague: “Latest unofficial news said that the Compass Interface Control Document (ICD) will be released on 27th this month,  and will be available on the internet on 28th.” Such rumors have floated before, in late 2010, and again in late 2011.  As the U.S. colleague... read more

This article is tagged with , and posted in BeiDou/Compass, GNSS, GNSS News, Government, Government News

Compass ICD in October; Harmonizing GNSS

September 29, 2011By

China's GNSS, Compass or Beidou, intends to publish its signal interface control document (ICD) in October. Representatives of the system made an unprecedented showing at ION GNSS in Portland, and referred frankly to "internal deliberations" that may be at the root of much of the public uncertainty about the system's planned structure and timeline. Meanwhile, representatives of other navigation satellite systems also delivered updates on their status and plans. Everyone is concerned about LightSquared interference, but everyone continues to move forward. This month's column is a two-parter: a guest appearance by Len Jacobson, editorial advisory board member for GPS World magazine and president of Global Systems and Marketing Inc. Len writes on the "Harmonizing GNSS" aspect, the briefings by all systems and their efforts to achieve compatibility and interoperability. Then I'll return with an account of the Compass panel that formed part of the CGSIC meeting immediately preceeding ION. read more

This article is tagged with , , , and posted in GNSS, GNSS Opinions, Newsletter Editorials, Opinions