PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-03:42:50
G01     40.9           15.8                2.9 +/-    0.66       7.1 +/-    0.66  0.040 / 0.030
G02     198.7          10.5               -0.6 +/-    6.58      -1.5 +/-    6.58  0.030 / 0.040
G06     177.1          37.8                6.3 +/-    0.89       9.5 +/-    0.89  0.040 / 0.070
G13     237.9          21.6                6.8 +/-    1.90      14.5 +/-    1.90  0.060 / 0.070
G15     269.4          12.2                5.8 +/-    2.22      15.5 +/-    2.22  0.140 / 0.240
G17     0.4            70.4                4.3 +/-    0.68       4.6 +/-    0.68  0.130 / 0.330
G19     281.4          69.9                5.0 +/-    0.38       5.3 +/-    0.38  0.140 / 0.250
G24     316.7          19.1                3.3 +/-    1.71       7.4 +/-    1.71  0.180 / 0.250
G28     73.4           46.0                4.0 +/-    0.80       5.3 +/-    0.80  0.150 / 0.340
G30     153.6          23.1                5.1 +/-    1.70      10.4 +/-    1.70  0.160 / 0.320