Table 6. Precision and accuracy...

Table 6.

Precision and accuracy performance of Loran-C, eLoran, and GPS

	Loran-C	eLoran	GPS
Frequency	1 × 10⁻¹¹	1 × 10⁻¹¹	1 × 10⁻¹³
	Frequency	Frequency	Frequency
	Stability	Stability	Stability
Timing	100 ns	10-50 ns	10 ns
Positioning (meters)^a	18-90 m	8-20 m	1.6-4 m

Note(s):

^aThe positioning accuracy of each of these technologies varies widely by type of receiver and augmentations being applied. The accuracy quoted here for GPS is from the GPS Wide Area Augmentation System (WAAS) 2008 Performance Standard

Source(s):Narins et al. (2012), Curry (2014), Celano et al. (2003), www.gps.gov/

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