TAG: L2

deCarta Powers POI Search for Major Mobile Handset Maker

August 27, 2014By

Advanced Search Engine Replaces Google Local Search in 122 Countries deCarta, Inc., an independent LBS platform company, is now providing the local search function for a worldwide, top-five mobile handset manufacturer. deCarta has been hosting and running the search service since August 7 using its advanced geosearch engine — L2 — and has replaced the search service previously provided by Google. The service... read more

Septentrio PolaRx2 Receiver Orbits Earth on Board TET-1 Satellite

September 18, 2013By
The TET-1 Satellite has Septentrio on board.

Septentrio announced today that a PolaRx2 receiver has reached more than 330 hours of successful operation on board “Technologie-Erprobungs-Träger 1” (TET-1), the first satellite of the German On-Orbit-Verification program. The Septentrio receiver is the backbone of the Navigation and Occultation Experiment (NOX) developed by German Aerospace Center (DLR). The purpose of the experiment is to prove the suitability of commercial-off-the-shelf... read more

This article is tagged with , , , , , , and posted in Design & Test, Latest News

A New Standard for L1/L2 GPS Static Receivers?

June 13, 2013By
X90_Wellsvilles

In the more than 100+ articles I’ve written for GPS World magazine over the past seven years, I don’t think I’ve ever written about a new product introduction like you will see below. I tend to focus on GNSS and geospatial technologies rather than a brand-specific products and services. In fact, last week I had an outline prepared for my... read more

This article is tagged with , , and posted in Opinions, Survey

GPS IIF-3 Satellite Now Transmitting L1, L2 Signals

October 4, 2012By
A Delta IV rocket lifts-off with an advanced GPS satellite from Cape Canaveral on Thursday. (Credit: ULA/Atkeison).

Video of launch. UPDATE: The SVN65/PRN24 L5 transmitter has now been switched on. L5 is the civilian safety-of-life GPS signal, designed to meet demanding requirements for safety-of-life transportation and other high-performance applications. UPDATE: The GPS Block IIF-3 satellite, SVN65, began transmitting L1 and L2 signals as PRN24 on October 8. A number of stations of the International GNSS Service are... read more

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

JAVAD Asserts Filters Protect GPS L1, L2, L5; GLONASS L1, L2; Galileo L1, L5

September 14, 2012By

Javad Ashjaee, founder and CEO of JAVAD GNSS, has filed a letter with the U.S. Federal Communications Commission (FCC) concerning his company’s development of technical possibilities in GNSS filter designs and components. He states “I hope this will be helpful in establishing realistic guidelines for the characteristics of high-precision GNSS receivers that will be used in critical applications.” Below is... read more

This article is tagged with , , , , , , , and posted in GNSS

The System: An L5 Surprise

August 1, 2010By

Researchers at the German Aerospace Center say they have found a small variance in the L5 signal on IIF-1. The signal variation results in no more than a 5-centimeter error with a predictable periodicity of about six hours. The GPS Wing is studying the issue and expects to resolve it before setting the satellite healthy, in another month or so according to the schedule. read more

This article is tagged with , , , , , and posted in GNSS

New GPS Satellite’s Problems Indicated

May 4, 2009By

The U.S. Air Force spoke briefly for the first time in public regarding signal anomalies from the IIR(M)-20 satellite launched in March. read more

This article is tagged with , , and posted in GNSS