PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-04:58:10
G01     46.8           22.8                3.4 +/-    0.95       7.0 +/-    0.95  0.050 / 0.060
G06     179.8          26.4                5.9 +/-    2.27      11.2 +/-    2.27  0.040 / 0.060
G11     44.2           12.6                2.7 +/-    1.31       7.1 +/-    1.31  0.110 / 0.440
G13     247.2          27.9                3.7 +/-    2.86       6.7 +/-    2.86  0.100 / 0.300
G15     278.7          15.2                4.2 +/-    1.39      10.5 +/-    1.39  0.090 / 0.280
G17     334.6          76.7                6.4 +/-    0.54       6.6 +/-    0.54  0.030 / 0.030
G19     256.0          64.3                6.0 +/-    0.57       6.6 +/-    0.57  0.020 / 0.030
G24     319.0          10.7              -17.0 +/-   16.43     -46.7 +/-   16.43  0.140 / 0.140
G28     59.8           50.6                5.1 +/-    0.66       6.4 +/-    0.66  0.110 / 0.120
G30     150.7          34.1                8.3 +/-    1.26      13.3 +/-    1.26  0.050 / 0.120