Seasonal Multifactor Modelling of Weighted-Mean Temperature for Ground-Based GNSS Meteorology in Hunan, China

Table 6

Bias and RMS of conversion factor () resulting from the BTM and seasonal two-factor RTMs against the truth of during 2013-2014.

Month	Conversion factor ()			Bias		RMS
	BTM	RTM	Truth	BTM	RTM	BTM	RTM
Jan.	0.1536	0.1529	0.1528	0.0008	0.0001	0.0020	0.0014
Feb.	0.1548	0.1541	0.1551	−0.0003	−0.0010	0.0019	0.0013
Mar.	0.1573	0.1562	0.1564	0.0009	−0.0002	0.0016	0.0011
Apr.	0.1581	0.1570	0.1571	0.0010	−0.0001	0.0019	0.0014
May.	0.1604	0.1589	0.1590	0.0014	−0.0001	0.0014	0.0009
Jun.	0.1620	0.1604	0.1603	0.0017	0.0001	0.0012	0.0007
Jul.	0.1630	0.1613	0.1610	0.0020	0.0003	0.0011	0.0006
Aug.	0.1624	0.1607	0.1609	0.0015	−0.0002	0.0013	0.0008
Sept.	0.1602	0.1588	0.1592	0.0010	−0.0004	0.0015	0.0009
Oct.	0.1587	0.1578	0.1573	0.0014	0.0005	0.0015	0.0010
Nov.	0.1566	0.1557	0.1555	0.0011	0.0002	0.0019	0.0014
Dec.	0.1540	0.1533	0.1524	0.0016	0.0009	0.0019	0.0015
Mean	0.1585	0.1573	0.1572	0.0012	0.0001	0.0016	0.0011