PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-15:27:20
G02     203.7          30.1               11.0 +/-    2.05      19.2 +/-    2.05  0.120 / 0.080
G06     156.4          68.6               10.0 +/-    0.46      10.7 +/-    0.46  0.120 / 0.100
G12     307.9          18.1                8.9 +/-    0.49      20.6 +/-    0.49  0.110 / 0.130
G17     35.7           49.4                8.4 +/-    0.60      10.7 +/-    0.60  0.070 / 0.180
G19     347.3          67.4                9.0 +/-    0.40       9.6 +/-    0.40  0.040 / 0.030
G24     298.4          38.4                9.8 +/-    3.08      14.6 +/-    3.08  0.030 / 0.030
G28     100.5          32.6                9.0 +/-    1.67      15.0 +/-    1.67  0.030 / 0.030