PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-05:42:40
G01     89.1           31.9                5.9 +/-    1.04      10.0 +/-    1.04  0.070 / 0.110
G07     126.6          42.8                7.9 +/-    0.75      11.0 +/-    0.75  0.060 / 0.110
G11     65.8           38.5                4.8 +/-    1.01       7.1 +/-    1.01  0.050 / 0.040
G13     293.2          36.7                8.0 +/-    1.70      12.2 +/-    1.70  0.050 / 0.050
G17     214.2          57.3                8.0 +/-    0.66       9.3 +/-    0.66  0.020 / 0.030
G19     215.0          25.4                6.5 +/-    1.66      12.5 +/-    1.66  0.030 / 0.020
G28     346.7          61.8                5.3 +/-    0.70       5.9 +/-    0.70  0.050 / 0.050
G30     104.2          77.1                6.2 +/-    0.52       6.3 +/-    0.52  0.060 / 0.030