PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-13:27:50
G01     38.4           11.6                5.5 +/-    1.96      14.7 +/-    1.96  0.030 / 0.040
G02     200.9          10.8               -2.4 +/-    3.28      -6.4 +/-    3.28  0.030 / 0.040
G06     170.5          48.1                7.2 +/-    1.17       9.3 +/-    1.17  0.040 / 0.080
G13     232.1          17.8                5.9 +/-    2.48      13.6 +/-    2.48  0.050 / 0.080
G17     16.9           63.7                5.7 +/-    0.53       6.3 +/-    0.53  0.120 / 0.570
G19     286.8          68.7                5.1 +/-    0.47       5.4 +/-    0.47  0.130 / 0.490
G24     313.2          26.1                4.6 +/-    2.27       8.7 +/-    2.27  0.140 / 0.220
G28     79.2           43.8                6.4 +/-    0.61       8.7 +/-    0.61  0.140 / 0.250
G30     156.8          23.3                8.3 +/-    0.95      16.9 +/-    0.95  0.040 / 0.070