PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-12:13:00
G01     37.4           10.1                1.1 +/-    6.90       3.0 +/-    6.90  0.080 / 0.100
G02     200.4          11.7                1.3 +/-    4.29       3.4 +/-    4.29  0.120 / 0.170
G06     171.5          46.8                6.6 +/-    1.10       8.7 +/-    1.10  0.030 / 0.020
G13     230.9          18.1                4.3 +/-    2.30       9.9 +/-    2.30  0.030 / 0.030
G17     8.0            67.1                4.0 +/-    0.73       4.3 +/-    0.73  0.040 / 0.040
G19     303.7          72.3                4.4 +/-    0.58       4.6 +/-    0.58  0.030 / 0.030
G24     314.2          23.3                4.0 +/-    1.37       8.1 +/-    1.37  0.120 / 0.320
G28     73.4           49.0                4.8 +/-    1.11       6.1 +/-    1.11  0.110 / 0.550
G30     156.5          22.2                6.2 +/-    1.76      12.9 +/-    1.76  0.060 / 0.040