PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-00:28:00
G01     45.0           21.3                6.5 +/-    2.74      13.9 +/-    2.74  0.040 / 0.030
G06     179.8          27.1               11.1 +/-    1.73      20.6 +/-    1.73  0.040 / 0.040
G13     243.3          27.1                8.3 +/-    2.34      15.5 +/-    2.34  0.130 / 0.220
G15     277.1          14.4                5.8 +/-    1.21      14.7 +/-    1.21  0.150 / 0.270
G17     350.2          75.0                7.5 +/-    0.66       7.8 +/-    0.66  0.140 / 0.140
G19     257.5          64.4                8.0 +/-    0.76       8.7 +/-    0.76  0.190 / 0.130
G24     317.7          15.2                4.8 +/-    2.79      11.8 +/-    2.79  0.100 / 0.060
G28     57.4           52.6                7.2 +/-    1.34       8.7 +/-    1.34  0.060 / 0.050
G30     152.3          34.7               10.6 +/-    1.30      16.9 +/-    1.30  0.090 / 0.310