PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-00:12:50
G01     110.4          23.3                8.5 +/-    2.59      17.3 +/-    2.59  0.060 / 0.190
G07     103.8          57.3                7.6 +/-    0.55       8.9 +/-    0.55  0.070 / 0.170
G08     41.9           21.3                5.0 +/-    0.60      10.6 +/-    0.60  0.030 / 0.030
G09     175.3          17.0                6.7 +/-    1.46      15.8 +/-    1.46  0.030 / 0.040
G11     91.6           42.4                8.7 +/-    0.56      12.2 +/-    0.56  0.030 / 0.050
G13     312.0          26.9                5.3 +/-    0.86       9.9 +/-    0.86  0.030 / 0.040
G17     203.2          36.4                8.9 +/-    1.61      13.7 +/-    1.61  0.040 / 0.060
G18     79.9           22.7                5.6 +/-    1.17      11.5 +/-    1.17  0.040 / 0.060
G28     304.7          58.9                7.0 +/-    0.78       8.0 +/-    0.78  0.090 / 0.220
G30     6.7            75.8                7.9 +/-    0.29       8.2 +/-    0.29  0.080 / 0.200