Article By : Sam Pullen

Deterministic risk modeling, the basis of the Efficient Market Hypothesis (EMH) at the core of modern quantitative finance, is known to be fundamentally flawed, but its elegance and convenience has blinded researchers to growing evidence of its weaknesses. The near-complete acceptance of the EMH...More>>

Article By : James L. Farrell

Recent attention given to aging GPS satellites and availability gaps from lagging constellation replenishment have provoked deep concern, particularly within the aviation community. Available remedies include exploitation of well known but unused methods plus new techniques; those discussed here...More>>

Article By : Bill Thompson

The most important development I see with regards to transportation in the next 10 to 15 years is the reliance of the transportation industry on the use of satellite navigation using the GNSS. This assumes, of course that the GNSS is maintained, expanded, and modernized. This appears to be the case...More>>

Article By : Bill Thompson

Last month we discussed the implementation of <a href="http://adsb.faa.gov" target="_blank">Automatic Dependent Surveillance-Broadcast</a> (ADS-B) in the contiguous United States (CONUS).&nbsp; This month we explore ADS-B implementation in Europe. ADS-B makes use of a GNSS-derived position,...More>>

Article By : Bill Thompson

Hello, and welcome to the second issue of <i>GPS World's Avionics & Transportation</i> e-newsletter, providing timely analysis and focused news on the use of global positioning technologies in the aviation, transportation, and freight industries, once every month.More>>

Article By : Bill Thompson

Required Navigation Performance (RNP) operations can increase the number of aircraft that can occupy a particular airspace without compromising safety.More>>