PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-03:58:00
G01     246.2          34.4               10.2 +/-    1.20      16.4 +/-    1.20  0.080 / 0.140
G03     315.8          45.8                5.2 +/-    1.31       7.0 +/-    1.31  0.110 / 0.100
G11     236.3          10.0                8.1 +/-    1.70      22.6 +/-    1.70  0.050 / 0.110
G14     61.0           40.8                5.4 +/-    1.13       7.7 +/-    1.13  0.050 / 0.090
G18     218.1          25.1                9.1 +/-    1.69      17.8 +/-    1.69  0.040 / 0.060
G22     301.7          67.0                6.1 +/-    0.88       6.5 +/-    0.88  0.040 / 0.040
G23     289.7          23.4                4.3 +/-   10.51       8.8 +/-   10.51  0.220 / 0.420
G26     133.6          40.1                7.9 +/-    0.96      11.4 +/-    0.96  0.210 / 0.490
G31     41.5           54.2                5.6 +/-    0.64       6.7 +/-    0.64  0.080 / 0.190
G32     78.8           21.6                3.7 +/-    0.68       7.9 +/-    0.68  0.080 / 0.200