PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-15:43:00
G01     50.4           25.5                8.4 +/-    2.33      16.2 +/-    2.33  0.040 / 0.060
G06     177.5          23.4                8.2 +/-    1.78      16.7 +/-    1.78  0.040 / 0.050
G07     145.0          10.1                8.8 +/-    1.42      24.6 +/-    1.42  0.260 / 0.240
G11     44.8           16.5                6.7 +/-    3.03      16.0 +/-    3.03  0.150 / 0.330
G13     250.7          31.8                9.5 +/-    2.30      16.0 +/-    2.30  0.130 / 0.250
G15     284.6          15.9                9.3 +/-    1.08      22.6 +/-    1.08  0.130 / 0.440
G17     292.7          78.2               10.3 +/-    0.71      10.5 +/-    0.71  0.030 / 0.030
G19     244.2          60.2                9.3 +/-    1.05      10.5 +/-    1.05  0.030 / 0.020
G28     41.6           56.9                9.9 +/-    1.09      11.6 +/-    1.09  0.130 / 0.170
G30     148.7          41.2                8.7 +/-    1.16      12.5 +/-    1.16  0.100 / 0.150