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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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First SirfStar4 USB GPS unit reviewed by Marvin.Hlavac
A version of BU-353 just released with the new SirfStar IV chip. Here is a review by members of Laptop GPS World: http://www.laptopgpsworld.com/2599-globalsat-bu-353-s4-usb-gps-receiver
May 7th 12 12:41 AM
by Marvin.Hlavac Go to last post
0 286
Fwd: 1859's "Great Auroral Storm"—the week the Sun touched the earth by Sam Wormley[_2_]
-------- Original Message -------- Subject: 1859's "Great Auroral Storm"—the week the Sun touched the earth Date: Thu, 03 May 2012 00:34:58 -0500 From: Sam Wormley Newsgroups: sci.physics http://arstechnica.com/science/news/2012/05/1859s-great-auroral-stormthe-week-the-sun-touched-the-earth.ars
May 4th 12 09:18 PM
by Alan Browne Go to last post
3 348
GPS IIA Satellites a Concern for OCX | GPS World by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/news/gps-iia-satellites-concern-ocx-12922
May 3rd 12 11:40 PM
by Sam Wormley[_2_] Go to last post
0 213
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012020 by Sam Wormley[_2_]
http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm http://celestrak.com/GPS/NANU/2012/ http://celestrak.com/GPS/status/2012/ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012020 SUBJ: SVN27 (PRN27) FORECAST OUTAGE SUMMARY JDAY 086/1418 - JDAY 086/1556 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2012020 NANU DTG: 261609Z MAR 2012
May 3rd 12 12:11 AM
by Sam Wormley[_2_] Go to last post
0 166
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012029 by Sam Wormley[_2_]
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012029 SUBJ: SVN59 (PRN19) FORECAST OUTAGE SUMMARY JDAY 122/1510 - JDAY 122/2117 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2012029 NANU DTG: 012143Z MAY 2012 REFERENCE NANU: 2012026 REF NANU DTG: 192350Z APR 2012 SVN: 59 PRN: 19 START JDAY: 122
May 1st 12 09:57 PM
by Sam Wormley[_2_] Go to last post
0 196
Forbes on Lightsquared: what's left? Is it really over? by Alan Browne
http://www.forbes.com/sites/danielfisher/2012/05/01/whats-falcones-3-billion-gamble-on-lightsquared-worth-now/ We may be seeing others taking swipes at the spectrum yet again. -- "I was gratified to be able to answer promptly, and I did. I said I didn't know." -Samuel Clemens.
May 1st 12 08:33 PM
by Alan Browne Go to last post
0 263
CMT Announces iGPSGIS II App for iPhone | GPS World by Sam Wormley[_2_]
http://www.gpsworld.com/gis/gis-and-mapping/news/cmt-announces-igpsgis-ii-app-iphone-12919 Corvallis Microtechnology, Inc. announces the release of the iGPSGIS II application software for use on the Apple iPhone. This powerful GPS/GIS data collection and mapping application can be used in a wide range of applications such as resource management, agriculture, forestry, archeology and the...
May 1st 12 07:39 PM
by Alan Browne Go to last post
3 289
GPS, relativity, and nuclear detection | ScienceDump by Sam Wormley[_2_]
http://www.sciencedump.com/content/gps-relativity-and-nuclear-detection Fun!
(Multi-page thread 1 2 3)
May 1st 12 04:04 AM
by oriel36[_2_] Go to last post
26 965
Cybersecurity Bills Could Reshape GPS Anti-Interference Efforts |Inside GNSS by Sam Wormley[_2_]
http://www.insidegnss.com/node/3044 Legislation moving through Congress could reshape efforts to counter GPS interference as the government steps up its efforts to fight cybercrime and protect critical systems like the power grid and communications networks.
May 1st 12 02:58 AM
by Sam Wormley[_2_] Go to last post
0 256
Common GPS Galileo Civil Signal Could Go Back on the Table in PatentDispute | Inside GNSS by Sam Wormley[_2_]
http://www.insidegnss.com/node/3043 The U.S. government is so unhappy about a British patent claim on the new civil GPS signal that, if things cannot be worked out, officals might consider abandoning the countries’ interoperable signal structure, sources told Inside GNSS. Gilda Radner: It's always something.
May 1st 12 02:53 AM
by Sam Wormley[_2_] Go to last post
0 228
Spaceflight Now | Breaking News | Long March launcher boosts twinsatellites into orbit by Sam Wormley[_2_]
http://spaceflightnow.com/news/n1204/29longmarch/ Two satellites for China's Beidou navigation system launched aboard a Long March 3B rocket Sunday, further expanding the space-based positioning network as China eyes global service by 2020.
April 30th 12 03:51 PM
by Sam Wormley[_2_] Go to last post
0 238
Launch of Two Beidou-2/Compass Satellites Could Be April 23 | GPSWorld by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/compass/news/launch-two-beidou-2compass-satellites-could-be-april-23-12878
April 30th 12 03:49 PM
by Sam Wormley[_2_] Go to last post
0 249
Fifth Beidou/Compass Satellite | GPS World by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/compass/news/fifth-beidoucompass-satellite-launched-12662
April 30th 12 03:37 PM
by Sam Wormley[_2_] Go to last post
0 226
OpenIR - Infrared Mapping for Everyone! by OpenIR
Hi everyone, I'm in a group based in Brooklyn and MIT (USA) that's applying for funding to develop OpenIR, a web platform and app to process and interpret environmental infrared satellite data. Our initial study area is Indonesia because of its environmental vulnerability and great mapping initiatives. I'd like to invite you all to vote for...
April 29th 12 04:08 AM
by OpenIR Go to last post
0 261
GPS Directorate Assigns PRN Codes to Russian Luch Satellites | GPSWorld by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/augmentation-assistance/news/gps-directorate-assigns-prn-codes-russian-luch-satellites-1
April 27th 12 06:30 PM
by Alan Browne Go to last post
1 310
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012028 by Sam Wormley[_2_]
http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm http://celestrak.com/GPS/NANU/2012/ http://celestrak.com/GPS/status/2012/ NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012028 SUBJ: SVN58 (PRN12) FORECAST OUTAGE SUMMARY JDAY 118/0117 - JDAY 118/0635 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2012028 NANU DTG: 270645Z APR 2012
April 27th 12 01:50 PM
by Sam Wormley[_2_] Go to last post
0 259
Bradford Parkinson to Discuss 'GPS for Humanity' | GPS World by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/gps-modernization/news/bradford-parkinson-discuss-gps-humanity-12859 As part of the Stanford Engineering Hero Lecture Series, Brad Parkinson will present a talk on "GPS for Humanity" Monday, April 30, at 7 p.m. Pacific Time. The lecture will be broadcast online at no charge. If you would like to view the live broadcast, register at the Stanford University...
April 27th 12 04:28 AM
by Sam Wormley[_2_] Go to last post
0 259
FAA Awards Raytheon Two-year Contract Extension on Wide Area AugmentationSystem | GPS World by Sam Wormley[_2_]
http://www.gpsworld.com/gnss-system/augmentation-assistance/news/faa-awards-raytheon-two-year-contract-extension-wide-area-a
April 27th 12 04:26 AM
by Sam Wormley[_2_] Go to last post
0 288
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012027 by Sam Wormley[_2_]
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012027 SUBJ: SVN44 (PRN28) FORECAST OUTAGE SUMMARY JDAY 115/2144 - JDAY 116/0411 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2012027 NANU DTG: 250413Z APR 2012 REFERENCE NANU: 2012023 REF NANU DTG: 192327Z APR 2012 SVN: 44 PRN: 28 START JDAY: 115
April 25th 12 04:25 AM
by Sam Wormley[_2_] Go to last post
0 247
LightSquared creditors unite against Phil Falcone by charles[_2_]
By Matthew Goldstein NEW YORK (Reuters) - Hedge fund manager Philip Falcone will face a united front when negotiating with key investors that own bank debt sold by LightSquared, the money-losing wireless telecom company controlled by his fund. A number of LightSquared debt holders have joined together to retain high-powered bankruptcy attorney Thomas Lauria, who heads White & Case's global...
April 25th 12 02:19 AM
by Alan Browne Go to last post
1 401
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