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Table 3 Statistical results of theoretical RMS and relative errors in PWV resulting from the four models validated by using radiosonde profiles from 2017

From: Spatiotemporal characteristics of GNSS-derived precipitable water vapor during heavy rainfall events in Guilin, China

Models	RMS_pwv (mm)			RMS_pwv/PWV (%)
Models	Max	Min	Mean	Max	Min	Mean
Bevis	0.87	0.04	0.45	1.19	1.09	1.14
Li	0.94	0.05	0.49	1.30	1.18	1.24
GPT2w-1	0.70	0.05	0.38	0.97	0.94	0.95
Guilin	0.57	0.03	0.29	0.77	0.71	0.74

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