PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-10:42:40
G02     230.1          70.0                4.7 +/-    0.56       4.9 +/-    0.56  0.110 / 0.070
G06     42.5           64.0                3.8 +/-    0.50       4.2 +/-    0.50  0.090 / 0.070
G12     321.2          47.4                3.3 +/-    0.41       4.3 +/-    0.41  0.030 / 0.040
G17     68.0           23.1                3.2 +/-    2.03       6.5 +/-    2.03  0.040 / 0.020
G19     49.1           44.2                4.6 +/-    1.19       6.2 +/-    1.19  0.040 / 0.030
G24     245.6          37.3                5.4 +/-    0.89       8.3 +/-    0.89  0.030 / 0.030
G25     315.7          12.4               -1.7 +/-   20.52      -4.5 +/-   20.52  0.210 / 0.240