Single-Satellite-Based Geolocation of Broadcast GNSS Spoofers from a Low Earth Orbit

Zachary L. Clements
Zachary L. Clements
¹ Department of Aerospace Engineering and Engineering Mechanics, University of Texas at Austin, Austin, TX
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- For correspondence: [email protected]
Patrick B. Ellis
Patrick B. Ellis
² Spire Global, Inc., Vienna, VA
Iain Goodridge
Iain Goodridge
² Spire Global, Inc., Vienna, VA
Matthew J. Murrian
Matthew J. Murrian
² Spire Global, Inc., Vienna, VA
Mark L. Psiaki,
Mark L. Psiaki,
³ Department of Aerospace and Ocean Engineering, Virginia Tech, Blacksburg, VA
and Todd E. Humphreys
Todd E. Humphreys
¹ Department of Aerospace Engineering and Engineering Mechanics, University of Texas at Austin, Austin, TX

NAVIGATION: Journal of the Institute of Navigation
March 2026,
73
(1)
navi.750;
DOI: https://doi.org/10.33012/navi.750

FIGURE 2

Pearson correlation coefficient between sequential estimation errors w_a[i] as a function of time between estimation epochs for various values of h₋₂

As the receiver’s modeled process noise intensity increases, the time correlation between estimation errors decreases.

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Single-Satellite-Based Geolocation of Broadcast GNSS Spoofers from a Low Earth Orbit

Zachary L. Clements

Zachary L. Clements

Patrick B. Ellis

Patrick B. Ellis

Iain Goodridge

Iain Goodridge

Matthew J. Murrian

Matthew J. Murrian

Mark L. Psiaki,

Mark L. Psiaki,

and Todd E. Humphreys

Todd E. Humphreys

Institute of Navigation

Mar 2026,

73

(1)

navi.750;

DOI: 10.33012/navi.750

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Single-Satellite-Based Geolocation of Broadcast GNSS Spoofers from a Low Earth Orbit

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