PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-01:28:10
G02     204.9          41.6                9.5 +/-    0.79      13.4 +/-    0.79  0.120 / 0.180
G06     163.5          71.9                7.2 +/-    1.37       7.5 +/-    1.37  0.080 / 0.150
G12     309.5          17.6                5.6 +/-    1.29      13.0 +/-    1.29  0.050 / 0.040
G17     42.6           43.3                5.2 +/-    0.50       7.2 +/-    0.50  0.040 / 0.040
G19     11.8           61.9                5.8 +/-    0.67       6.5 +/-    0.67  0.040 / 0.030
G24     288.6          41.7                5.3 +/-    0.91       7.5 +/-    0.91  0.040 / 0.040
G28     106.2          30.4                8.1 +/-    0.72      14.0 +/-    0.72  0.080 / 0.130