Jeffrey D Crum

WELCOME TO THE MACHINE: AN OVERVIEW OF GPS MASTER CONTROL STATION ANOMALY DETECTION AND RESOLUTION.

Jeffrey D Crum, Ronald T Smetek, 1997 .

The 2 SOPS Ephemeris Enhancement Endeavor (EEE)

Jeffrey D Crum, Ronald T Smetek, Steven T Hutsell, 1997 .

Operational Use of the Hadamard Variance in GPS

H. S. Mobbs, James A. Buisson, Wilson G. Reid, 1996 .

Navigation Accuracy or Satellite Health? Controlling Momentum on Aging GPS Satellites

Jeffrey D Crum, Ronald T Smetek, Steven T Hutsell, 1999 .