PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-08:58:00
G01     56.9           29.3                2.5 +/-    1.32       4.4 +/-    1.32  0.040 / 0.040
G06     179.0          18.0               -8.3 +/-   31.01     -19.1 +/-   31.01  0.040 / 0.050
G07     143.4          18.2                4.6 +/-    1.47      10.6 +/-    1.47  0.080 / 0.250
G11     46.3           20.0                1.9 +/-    1.76       4.3 +/-    1.76  0.090 / 0.220
G13     258.4          34.3                4.8 +/-    1.66       7.7 +/-    1.66  0.060 / 0.100
G15     294.2          15.1                2.0 +/-    1.31       5.1 +/-    1.31  0.060 / 0.100
G17     282.7          79.7                5.0 +/-    0.94       5.0 +/-    0.94  0.070 / 0.150
G19     234.9          49.8                7.1 +/-    1.04       8.9 +/-    1.04  0.090 / 0.150
G28     38.5           56.5                2.7 +/-    0.64       3.2 +/-    0.64  0.090 / 0.190
G30     146.2          51.0                5.7 +/-    0.70       7.2 +/-    0.70  0.110 / 0.260