TAG: WAAS

Integrity for Non-Aviation Users: Moving Away from Specific Risk

July 1, 2011By
Pullen-Open2

Non-aviation users of satellite- and ground-based augmentation systems do not require the conservative level of integrity built into these systems for aviation users. Removing it can produce substantial benefits in terms of smaller error bounds and improved availability. read more

This article is tagged with , , , and posted in Augmentation & Assistance, Aviation, GNSS, Transportation

The System: First GPS Intereference Report Sent to FCC

April 1, 2011By

First Overload Interference/Desensitization to GPS Receivers, Systems, and Networks Report to FCC; Plus Save Our GPS Coalition Forms; WAAS Official Again; EGNOS SOL Operational; Russian SBAS Satellite Passes Transponder Tests read more

This article is tagged with , , , and posted in Augmentation & Assistance, The System

SBAS (WAAS) and NDGPS Accuracy and Statistics

October 21, 2010By

There's something I've been wanting to write about since the ION-GNSS conference a few weeks ago. However, a nasty cold, a 10-day trip to Europe (INTERGEO conference), and some jet lag have kept me from it until now. read more

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

The Business: Location-Driven Coupons on iPhone

August 1, 2009By

Yowza!!, an application designed for the latest GPS-enabled iPhone 3G and 3GS models and iPod Touch, brings relevant coupon offers to customers based on their location. read more

This article is tagged with , , , , , , and posted in From the Magazine

WAAS Clarification

March 27, 2006By

The FAA's announcement that WAAS in the northeastern United States and eastern Canada may be inhibited by relocation of a broadcasting satellite caused unease in some surveying organizations. The FAA notice doesn't tell the full story, however. read more

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

GPS and Aviation Safety

October 1, 2001By

U.S. federal agencies, aircraft and avionics manufacturers, airlines, and research centers are brainstorming ways to prevent a repeat of the tragic events of September 11, in which highjacked aircraft were used as missiles. read more

This article is tagged with , and posted in Aviation, Transportation