Using an atmospheric turbulence model for the stochastic model of geodetic VLBI data analysis

Earth, Planets and Space

Table 2 Different solution setups including the reference solution and different strategies to refine the stochastic model of VLBI observations

	Solution type	\(\chi ^2\) (–)		WRMS (ps)
	Solution type	WHISP001	WHISP002	WHISP001	WHISP002
A	Reference solution	1.27	1.76	14.23	22.26
B	Constant additional noise: 1 cm	0.32	0.48	15.01	23.29
C	Gipson et al. (2006–2008) constant and elevation-dependent noise	0.47	0.79	13.61	23.51
D	Turbulence-based correlations	0.96	1.02	11.55	22.53

The \(\chi ^2\) and WRMS value for two specially designed WHISP sessions on August 27 and October 23, 2015, are illustrated for all solution setups