 | Where the Action Is August 25, 2010
Article By: Alan Cameron Name the hottest test-bed for interoperability of multiple GNSS in user applications. North America, cradle of global satellite positioning, navigation, and timing? Close, but as the saying goes, no cigar. Europe, the up and coming? You’re getting colder. Russia, rocketeer of the once and future...More>> |
 | Expert Advice: Remembering. And Resolving August 1, 2010
Article By: GPS World Staff Few outside the position, navigation, and timing (PNT) community will also recall that the day before the 9/11 attacks, the U.S. government released a landmark document that described the vulnerabilities of services provided by GPS to disruption, whether by attack or inadvertent interference. The...More>> |
 | Out in Front: EGNOS Up August 1, 2010
Article By: Alan Cameron We now definitively declare “curtain up!” on the second act of the human and technological drama, Interoperable Global Navigation Satellite Systems, by many authors, directors, and actors, upon the global stage. It happens on August 2 with removal of the message 0 (“Do Not Use in...More>> |
 | Letters to the Editor July 1, 2010
Article By: GPS World Staff Our readers respond to the cover features in the May and June issues: the two-part special the "Origins of GPS" and Richard Langley's look at "GPS by the Numbers."More>> |
 | Stonewalling GPS Vulnerability June 23, 2010
Article By: Alan Cameron On February 8, the United States began shutting down its 20-odd Loran transmitters. The International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA), of which the United States is a member, continually recommends the use of eLoran as back up for GNSS, and is moving...More>> |
 | IIF and the Woolly Mammoth June 9, 2010
Article By: Don Jewell There are any number of topics I could and probably should have written about this month, but no matter where I look there is this Woolly Mammoth in the room that has been and continues to be impossible to ignore. Most writers would equate the virtual presence to an elephant, but this particular...More>> |
 | Out in Front: Brussels Calling June 1, 2010
Article By: Alan Cameron The European Commission rang up the other day, concerned that a recent column contained misperceptions about the Galileo Open Service Signal-in-Space Interface Control Document (ICD). I replied that if misperception exists, it is shared by at least some in industry.Though the EC has abandoned a...More>> |
 | Road Widening Ahead May 27, 2010
Article By: Alan Cameron Depending on how fast a mail-opener you are, we may have entered a new era by the time you reach the end of this sentence. The first IIF satellite could at this very moment be spaceborne. After a handful of delays, the launch was most recently set back to a window of Thursday, May 29, 11–11:19...More>> |
 | A New Perspective: SVN-49 and L5 Revisited May 12, 2010
Article By: Don Jewell It seems that everywhere I go these days, someone wants to discuss the future of SVN-49 or IIR-20(M) which, although it has PRN01 assigned and is enroute to its new orbit location as part of the enhanced 24 constellation, has never been set healthy. Everyone has an opinion and most aren’t shy...More>> |
 | Commanding Conversation May 1, 2010
Article By: Don Jewell Defense editor Don Jewell is a retired Air Force officer who served for 30 years; many of his former peers and contemporaries are currently senior officers in today’s U.S. Air Force. Don sat down recently with General C. Robert Kehler, Commander of the U.S. Air Force Space Command, whom he has...More>> |
