PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-11:12:30
G02     205.8          44.2                9.2 +/-    0.64      12.6 +/-    0.64  0.080 / 0.190
G06     152.7          75.8                7.9 +/-    0.86       8.2 +/-    0.86  0.080 / 0.200
G12     311.8          20.9                3.6 +/-    1.06       7.8 +/-    1.06  0.060 / 0.070
G17     45.4           41.5                2.5 +/-    1.65       3.5 +/-    1.65  0.060 / 0.070
G19     20.5           58.8                4.0 +/-    1.08       4.6 +/-    1.08  0.040 / 0.060
G24     289.6          40.5                1.6 +/-    4.47       2.3 +/-    4.47  0.040 / 0.060
G28     110.8          24.7                6.6 +/-    1.56      12.9 +/-    1.56  0.150 / 0.250