Onboard and Real-Time Artificial Satellite Orbit Determination Using GPS

Table 1

Statistical errors with SA on or off.

Date	Δ𝑟 (m)	Δ𝑣 (m)	Residuals (m)
11/18/1993	15.5±6.8	0.014±0.006	0.027±13.2
11/19/1993	17.4±6.7	0.016±0.006	−0.130±13.4
11/20/1993	17.6±8.4	0.017±0.007	−0.160±22.6
01/03/1994	16.5±8.5	0.015±0.008	0.004±22.1
01/04/1994	19.5±9.6	0.018±0.009	−0.160±22.8
01/05/1994	19.6±7.8	0.018±0.008	0.040±22.9
01/21/1994	19.0±7.7	0.018±0.008	−0.050±23.9
01/22/1994	16.5±8.6	0.015±0.008	−0.007±23.3