Robert Loh

Preliminary Assessment of Alternative Navigation Means for Civil Aviation

Per Enge, Sherman Lo, Frederick Niles, 2010 .

Alternative Position Navigation & Timing (APNT) Based on Existing DME and UAT Ground Signals

Dennis M. Akos, Per Enge, Benjamin Peterson, 2011 .

Safety Requirements for Unmanned Aerial Vehicles (UAV) in Future Civil Airspace

Robert Loh, Tim Roe, Yi Bian, 2006, 2006 IEEE/ION Position, Location, And Navigation Symposium.

UTC Time Reference from WAAS in Real Time

Robert Loh, Gemot M. R. Winkler, 1996 .

GPS Wide Area Augmentation System (WAAS)

Robert Loh, R. Loh, 1995, Journal of Navigation.

The Spatial and Temporal Variations in Ionospheric Range Delay

Patricia H. Doherty, Paul J. Gendron, Robert Loh, 1997 .