PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/24-08:28:10
G01     76.4           33.3                5.5 +/-    1.81       9.0 +/-    1.81  0.030 / 0.030
G07     134.5          34.0                8.2 +/-    1.27      13.3 +/-    1.27  0.020 / 0.040
G11     56.0           32.7                3.5 +/-    0.89       5.8 +/-    0.89  0.040 / 0.090
G13     280.0          38.2                6.0 +/-    0.87       9.1 +/-    0.87  0.050 / 0.080
G15     309.4          12.2                5.1 +/-    2.58      13.5 +/-    2.58  0.130 / 0.150
G17     226.0          67.3                7.1 +/-    1.28       7.6 +/-    1.28  0.110 / 0.150
G18     51.1           19.0                6.1 +/-    1.11      13.8 +/-    1.11  0.080 / 0.110
G19     220.7          34.2                5.4 +/-    2.26       8.8 +/-    2.26  0.080 / 0.110
G28     8.3            60.7                4.3 +/-    0.48       4.8 +/-    0.48  0.090 / 0.250
G30     129.6          68.2                5.7 +/-    0.77       6.1 +/-    0.77  0.090 / 0.220