GPS             MEAN
name             rms		rms_mask   rms      rms_mask  sigma_secinv
mean 				0.945184	0.87524		-	-	119
tong 				1.07201	0.977784	0.25931	0.185895	179
loveless_meade 	1.07547	0.947904	0.26255	0.193525	145
holt 				0.986458	0.886792	0.28224	0.16978	124
zeng 				1.04219	0.937392	0.31770	0.121784	139
bird				1.01724	0.946709	0.32159	0.155327	184
smith_konter 		1.03477	0.920427	0.34709	0.161033	171
gpsgridder 		1.0692		0.945684	0.37953	0.148837	109
kreemer 			1.10211	0.960618	0.43033	0.344732	147
shen 				0.816188	0.740098	0.64170	0.277124	91