PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/11-15:43:00
G01     46.1           22.2                6.5 +/-    2.54      13.7 +/-    2.54  0.040 / 0.050
G06     176.3          29.0                8.4 +/-    1.32      15.0 +/-    1.32  0.040 / 0.070
G11     43.7           11.9                6.5 +/-    3.12      17.4 +/-    3.12  0.320 / 0.280
G13     245.0          28.6                8.8 +/-    1.44      15.9 +/-    1.44  0.250 / 0.340
G15     279.3          14.9                7.0 +/-    1.97      17.5 +/-    1.97  0.290 / 0.340
G17     320.7          77.5                7.8 +/-    0.42       8.0 +/-    0.42  0.310 / 0.410
G19     254.4          64.6                8.3 +/-    0.89       9.1 +/-    0.89  0.030 / 0.030
G24     318.6          11.0              -11.0 +/-   27.34     -30.1 +/-   27.34  0.040 / 0.030
G28     50.7           55.0                8.8 +/-    0.67      10.5 +/-    0.67  0.040 / 0.040
G30     151.1          35.6                8.3 +/-    1.37      13.1 +/-    1.37  0.040 / 0.040