PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-05:58:00
G02     247.1          78.8                3.2 +/-    0.30       3.3 +/-    0.30  0.130 / 0.240
G05     170.7          17.5                3.8 +/-    1.81       9.0 +/-    1.81  0.150 / 0.190
G06     40.0           60.5                3.5 +/-    0.65       4.0 +/-    0.65  0.030 / 0.030
G12     321.2          51.2                2.9 +/-    0.48       3.7 +/-    0.48  0.030 / 0.030
G17     71.3           22.8                2.8 +/-    0.90       5.7 +/-    0.90  0.050 / 0.090
G19     58.5           37.7                3.3 +/-    0.88       5.0 +/-    0.88  0.070 / 0.100
G24     245.4          34.5                7.4 +/-    1.93      11.9 +/-    1.93  0.030 / 0.050
G25     316.9          12.4                2.3 +/-    7.76       6.1 +/-    7.76  0.050 / 0.040