PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/29-02:58:10
G01     71.4           33.0                4.0 +/-    1.28       6.6 +/-    1.28  0.040 / 0.040
G07     137.1          31.5                7.5 +/-    1.05      12.7 +/-    1.05  0.040 / 0.030
G11     55.5           32.5                3.7 +/-    1.28       6.2 +/-    1.28  0.050 / 0.070
G13     276.2          37.2                4.0 +/-    2.61       6.1 +/-    2.61  0.070 / 0.070
G15     302.3          15.7                1.2 +/-    1.37       2.9 +/-    1.37  0.090 / 0.270
G17     232.6          67.9                6.0 +/-    0.53       6.5 +/-    0.53  0.100 / 0.230
G19     224.0          42.3                5.9 +/-    2.20       8.3 +/-    2.20  0.070 / 0.100
G28     20.0           59.1                4.2 +/-    2.17       4.8 +/-    2.17  0.080 / 0.090
G30     134.7          58.3                7.9 +/-    0.67       9.1 +/-    0.67  0.040 / 0.030