PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/04-21:43:10
G07     347.9          62.7               11.2 +/-    0.55      12.5 +/-    0.55  0.110 / 0.100
G08     86.7           53.9               12.9 +/-    0.64      15.5 +/-    0.64  0.090 / 0.100
G09     185.2          64.3               13.1 +/-    0.85      14.4 +/-    0.85  0.130 / 0.100
G11     142.2          18.3               15.9 +/-    1.69      36.4 +/-    1.69  0.170 / 0.110
G23     157.5          29.8               14.6 +/-    1.62      25.6 +/-    1.62  0.050 / 0.040
G27     46.8           25.4                9.7 +/-    1.70      18.8 +/-    1.70  0.040 / 0.040
G28     246.0          37.5               12.6 +/-    1.82      19.2 +/-    1.82  0.030 / 0.040
G30     312.4          44.7               10.1 +/-    1.21      13.7 +/-    1.21  0.030 / 0.040