PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-00:43:10
G01     95.6           30.1                6.4 +/-    0.62      11.2 +/-    0.62  0.080 / 0.110
G07     121.6          45.9                7.5 +/-    1.47      10.0 +/-    1.47  0.080 / 0.110
G11     72.3           40.8                6.8 +/-    0.43       9.8 +/-    0.43  0.030 / 0.030
G13     299.5          34.9                7.3 +/-    1.18      11.7 +/-    1.18  0.020 / 0.040
G17     210.0          51.2                8.7 +/-    0.99      10.8 +/-    0.99  0.040 / 0.070
G18     64.7           22.7                4.8 +/-    0.82       9.9 +/-    0.82  0.040 / 0.060
G19     212.2          21.7                6.8 +/-    2.52      14.3 +/-    2.52  0.050 / 0.050
G28     332.7          61.5                5.5 +/-    0.98       6.2 +/-    0.98  0.050 / 0.060
G30     81.2           79.4                7.3 +/-    0.42       7.4 +/-    0.42  0.070 / 0.120