PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/09-06:43:00
G01     64.2           30.9                4.5 +/-    0.65       7.7 +/-    0.65  0.030 / 0.030
G06     180.4          10.3              -18.2 +/-   18.82     -50.4 +/-   18.82  0.030 / 0.030
G07     139.1          27.2                7.0 +/-    1.56      13.0 +/-    1.56  0.130 / 0.210
G11     52.2           31.2                4.3 +/-    1.46       7.4 +/-    1.46  0.120 / 0.190
G13     267.9          38.0                5.0 +/-    2.31       7.6 +/-    2.31  0.020 / 0.020
G15     297.2          16.7                4.5 +/-    2.55      10.8 +/-    2.55  0.030 / 0.020
G17     239.3          72.5                6.2 +/-    0.57       6.5 +/-    0.57  0.080 / 0.100
G19     226.3          48.0                6.6 +/-    2.35       8.5 +/-    2.35  0.070 / 0.130
G28     10.1           61.0                4.1 +/-    2.07       4.6 +/-    2.07  0.040 / 0.050
G30     140.1          61.7                6.8 +/-    0.63       7.6 +/-    0.63  0.040 / 0.040