PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-00:58:00
G01     47.3           23.3                5.0 +/-    1.27      10.1 +/-    1.27  0.180 / 0.210
G06     180.4          23.9                8.1 +/-    2.89      16.3 +/-    2.89  0.130 / 0.210
G11     43.5           11.1                4.6 +/-    1.93      12.6 +/-    1.93  0.120 / 0.130
G13     246.4          28.9                7.4 +/-    1.81      13.2 +/-    1.81  0.090 / 0.180
G15     280.2          15.1                4.4 +/-    1.70      10.9 +/-    1.70  0.030 / 0.040
G17     340.5          77.0                7.0 +/-    1.39       7.2 +/-    1.39  0.040 / 0.050
G19     251.2          61.9                7.9 +/-    0.52       8.8 +/-    0.52  0.060 / 0.030
G24     318.2          12.8                5.0 +/-    1.37      13.1 +/-    1.37  0.060 / 0.030
G28     52.9           53.8                7.3 +/-    0.88       8.8 +/-    0.88  0.160 / 0.320
G30     151.2          38.1                8.2 +/-    0.50      12.3 +/-    0.50  0.100 / 0.330