An Evaluation of the Effectiveness of Intentional Interference to eLORAN

Author

Chadwick, D.J. ; Kim, T.

Author_Institution

Mitre Corp., McLean, VA

fYear

2006

fDate

23-25 Oct. 2006

Firstpage

1

Lastpage

7

Abstract

Recent studies on the vulnerability of GPS to interference recommend that a backup system be made available to determine own-aircraft position for both navigation and surveillance services in the National Airspace System (NAS). This backup will provide horizontal-only position information during brief localized GPS outages caused by system, natural or intentional-interference factors. MITRE performed an evaluation of the potential candidates for such a backup system. The results of this analysis showed that enhanced LORAN (eLORAN) is likely the best choice among the alternatives studied. This paper concentrates first on three interference scenarios that have been postulated by MITRE, with which an adversary could attempt to intentionally interfere with LORAN. The second part of paper provides a preliminary assessment of eLORAN coverage degradation under a simplified interference scenario

Keywords

Global Positioning System; aircraft navigation; antennas; radiofrequency interference; GPS; NAS; National Airspace System; enhanced LORAN; global positioning system; intentional-interference; Antenna accessories; Equivalent circuits; Global Positioning System; Interference; Loaded antennas; Poles and towers; Radio navigation; Roentgenium; Transmission line antennas; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Military Communications Conference, 2006. MILCOM 2006. IEEE

Conference_Location

Washington, DC

Print_ISBN

1-4244-0617-X

Electronic_ISBN

1-4244-0618-8

Type

conf

DOI

10.1109/MILCOM.2006.302557

Filename

4086721