PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/03-13:12:30
G02     202.9          26.9                6.0 +/-    1.80      11.2 +/-    1.80  0.080 / 0.120
G06     162.4          64.5                6.8 +/-    0.59       7.4 +/-    0.59  0.080 / 0.120
G12     304.3          12.0                0.9 +/-   10.89       2.3 +/-   10.89  0.030 / 0.040
G17     28.3           55.0                5.5 +/-    1.42       6.6 +/-    1.42  0.050 / 0.030
G19     354.7          67.4                5.0 +/-    0.51       5.3 +/-    0.51  0.160 / 0.270
G24     303.2          34.5                4.9 +/-    1.10       7.8 +/-    1.10  0.170 / 0.350
G28     93.5           40.1                6.1 +/-    0.90       8.9 +/-    0.90  0.050 / 0.030