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sci.geo.satellite-nav (Global Satellite Navigation) (sci.geo.satellite-nav) Discussion of global navigation satellite systems (GNSS). Topics include the technical aspects of GNSS operation, user experiences in the use of GNSS, information regarding GNSS products and discussion of GNSS policy (such as GPS selective availability).

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Comodo Integrates Skyhook Wireless Location Tech into Android Anti-TheftApp by Sam Wormley[_2_]
Comodo Integrates Skyhook Wireless Location Tech into Android Anti-Theft App http://www.gpsworld.com/comodo-integrates-skyhook-wireless-location-tech-into-android-anti-theft-app/ Skyhook Wireless, a provider of location positioning, announced a partnership to integrate Skyhook’s hybrid location platform into Comodo’s Anti-Theft app for Android devices. Comodo’s Anti-Theft for Android...
April 10th 13 07:33 PM
by Sam Wormley[_2_] Go to last post
0 409
Om nom nom: black hole dismembers and eats a large planet by Sam Wormley[_2_]
Om nom nom: black hole dismembers and eats a large planet http://arstechnica.com/science/2013/04/om-nom-nom-black-hole-dismembers-and-eats-a-large-planet/ Black holes have a fearsome reputation that's only partly justified. The maw of a black hole is indeed a potentially destructive thing, but most matter—including gas stripped from nearby stars—is not destined to end inside the...
April 7th 13 12:45 PM
by Alan Browne Go to last post
6 899
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013023 by Sam Wormley[_2_]
2013023------------------------ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013023 SUBJ: SVN54 (PRN18) FORECAST OUTAGE JDAY 094/1115 - JDAY 094/2315 1. NANU TYPE: FCSTDV NANU NUMBER: 2013023 NANU DTG: 291539Z MAR 2013 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 54 PRN: 18
March 29th 13 04:58 PM
by Sam Wormley[_2_] Go to last post
0 434
Use of GPS signal propagation for weather forecasts by Alan Browne
http://bits.blogs.nytimes.com/2013/03/28/a-marshall-mcluhan-approach-to-weather-forecasting/?ref=technology or http://tinyurl.com/c2a35e9 (Has this come up here before?). -- "There were, unfortunately, no great principles on which parties
March 28th 13 09:02 PM
by Alan Browne Go to last post
0 358
Physicists Debate the Many Varieties of Nothingness by Sam Wormley[_2_]
Physicists Debate the Many Varieties of Nothingness http://blogs.scientificamerican.com/observations/2013/03/22/physicists-debate-the-many-varieties-of-nothingness/ What is nothing? Sounds like a simple question—nothing is simply the absence of something, of course—until you begin to think about it. The other night the American Museum of Natural History hosted its 14th annual Asimov...
March 23rd 13 04:13 PM
by Sam Wormley[_2_] Go to last post
0 411
Air Force Announces Plans for L2C, L5 CNAV Message Tests by Sam Wormley[_2_]
Air Force Announces Plans for L2C, L5 CNAV Message Tests http://www.insidegnss.com/node/3459 The U.S. Air Force Space Command (AFSPC) invited comments today (March 20, 2013) on its proposed plans to test CNAV message capabilities on the GPS L2C and L5 signals June 15–29. The signals are part of the GPS modernization program and will provide, among other things, greater capability...
March 20th 13 09:01 PM
by Sam Wormley[_2_] Go to last post
0 354
The 2014 Rolls-Royce Wraith coupe is using GPS to make a smooth rideeven smoother by Sam Wormley[_2_]
The 2014 Rolls-Royce Wraith coupe is using GPS to make a smooth ride even smoother http://www.gpsworld.com/rolls-royce-wraith-selects-gears-using-gps/ The 2014 Rolls-Royce Wraith coupe is using GPS to make a smooth ride even smoother. Unveiled at the 2013 Geneva Motor Show, the Wraith is the fastest, most powerful car Rolls-Royce has ever made at $320,000 ($245,000
March 16th 13 11:09 AM
by Alan Browne Go to last post
8 604
Chinese paranoia by Alan Browne
http://www.nytimes.com/2013/03/15/business/global/coca-cola-cooperating-with-chinese-gps-investigation.html?ref=business or http://tinyurl.com/clgabp8 -- "There were, unfortunately, no great principles on which parties were divided – politics became a mere struggle for office." -Sir John A. Macdonald
March 14th 13 08:35 PM
by Alan Browne Go to last post
0 401
When Am I?: The Importance of Time in Navigation by Sam Wormley[_2_]
When Am I?: The Importance of Time in Navigation http://www.gpsworld.com/when-am-i-the-importance-of-time-in-navigation/
March 14th 13 06:41 AM
by oriel36[_2_] Go to last post
2 444
First Galileo-Only Position Fix Performed! by Sam Wormley[_2_]
First Galileo-Only Position Fix Performed! http://www.gpsworld.com/first-galileo-only-position-fix-performed/ Entitling its release “From Orbit with Love,” the European Space Agency (ESA) proudly announced today, March 12, 2013, that the first four satellites of the future Galileo Satellite Navigation constellation achieved their first-ever autonomous position fix. The positioning...
March 12th 13 08:18 PM
by Alan Browne Go to last post
1 445
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013020 by Sam Wormley[_2_]
2013020------------------------ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013020 SUBJ: SVN43 (PRN13) FORECAST OUTAGE SUMMARY JDAY 065/1952 - JDAY 066/0117 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2013020 NANU DTG: 070126Z MAR 2013 REFERENCE NANU: 2013019 REF NANU DTG: 282138Z FEB 2013 SVN: 43
March 7th 13 12:57 AM
by Sam Wormley[_2_] Go to last post
0 406
Getting around the 'uncertainty principle': Physicists make firstdirect measurements of polarization states of light by Sam Wormley[_2_]
Getting around the 'uncertainty principle': Physicists make first direct measurements of polarization states of light Researchers at the University of Rochester and the University of Ottawa have applied a recently developed technique to directly measure for the first time the polarization states of light. Their work both overcomes some important challenges of Heisenberg's famous ...
March 4th 13 04:08 PM
by Sam Wormley[_2_] Go to last post
0 410
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013019 by Sam Wormley[_2_]
2013019------------------------ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013019 SUBJ: SVN43 (PRN13) FORECAST OUTAGE JDAY 065/1930 - JDAY 066/0730 1. NANU TYPE: FCSTDV NANU NUMBER: 2013019 NANU DTG: 282138Z FEB 2013 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 43 PRN: 13
February 28th 13 10:48 PM
by Sam Wormley[_2_] Go to last post
0 331
GPS and GLONASS: "Dual-core" location for your phone by miso
On 2/12/2013 7:54 PM, Sam Wormley wrote: GPS and GLONASS: "Dual-core" location for your phone http://www.youtube.com/watch?v=gB9pXInwh3k List of Smartphones using assisted GPS and GLONASS (need references) http://en.wikipedia.org/wiki/List_of_Smartphones_using_GLONASS_Navigation I guess it would be nice to see if any of these phones with Glonass are more accurate than plain GPS. I...
February 28th 13 09:39 PM
by Alan Browne Go to last post
7 599
New Organization Advocates for GPS Industry by Sam Wormley[_2_]
New Organization Advocates for GPS Industry http://www.gpsworld.com/new-org-raises-gps-industry-banner-in-d-c/ A new group, the GPS Innovation Alliance, has formed and announced itself as the voice of the U.S. GPS industry and community of users, to “support the ever-increasing importance of GPS” in the U.S. capital, Washington, D.C. The organization subsumes and replaces both the...
February 27th 13 06:14 PM
by Sam Wormley[_2_] Go to last post
0 309
90-minute Web Seminar: GNSS and Unmanned Aerial Systems:,The RoadAhead by Sam Wormley[_2_]
GNSS and Unmanned Aerial Systems: The Road Ahead http://campaign.r20.constantcontact.com/render?llr=cpuegidab&v=001p_xH-twv5vXYc50CQTU1Oats3S_VXAwVbEHciLT5EFmBWe3tQTHZOQAr_yBDQAn0ALyoIIOS3YqBEnWwOyh_AMO3Iz5jZcW2nW7vKArbvvA%3D Join Inside GNSS and Trimble THURSDAY MARCH 14 for a free 90-minute web seminar
February 27th 13 01:10 AM
by Sam Wormley[_2_] Go to last post
0 410
Qualcomm Announces 4G LTE Advanced Connectivity Platform for MobileComputing by Sam Wormley[_2_]
Qualcomm Announces 4G LTE Advanced Connectivity Platform for Mobile Computing http://www.gpsworld.com/qualcomm-announces-4g-lte-advanced-connectivity-platform-for-mobile-computing/ Qualcomm Technologies, Inc., has announced the industry’s first 4G LTE Advanced embedded data connectivity platform for mobile computing devices, including thin form factor laptops, tablets and ...
February 26th 13 09:09 PM
by Sam Wormley[_2_] Go to last post
0 304
Air Force Awards Lockheed Martin Contracts for Next Set of GPS IIISatellites by Sam Wormley[_2_]
Air Force Awards Lockheed Martin Contracts for Next Set of GPS III Satellites http://www.gpsworld.com/air-force-awards-lockheed-martin-contracts-for-next-set-of-gps-iii-satellites/ The U.S. Air Force has awarded Lockheed Martin two fixed-price contracts totaling $120 million to procure long lead parts for the fifth, sixth, seventh and eighth next-generation GPS III satellites. The...
February 26th 13 09:06 PM
by Sam Wormley[_2_] Go to last post
0 347
15mm elevation resolution from space!? by miso
OK, it can detect a 15mm change in elevation. So I assume that is resolution, not accuracy. We need more anal retentive people to write science blogs. ;-) http://arstechnica.com/science/2013/02/earthquakes-booms-big-enough-to-be-detected-from-orbit/ For fun and no profit, you can turn on the earthquake feature of google earth. There are some spots that are just littered with small quakes...
February 26th 13 03:23 AM
by miso Go to last post
0 481
Viewpoint: Free-Falling Interferometry by Sam Wormley[_2_]
Viewpoint: Free-Falling Interferometry http://physics.aps.org/articles/v6/23 Atom interferometry in free fall demonstrates fundamental quantum physics and a new level of technology readiness for future experiments in space. At nanokelvin temperatures, Bose-Einstein condensates (BECs) of dilute atomic gases are quantum to the core. In a paper in Physical Review Letters,...
February 25th 13 09:31 PM
by Sam Wormley[_2_] Go to last post
0 306
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