PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/17-04:42:50
G01     46.7           22.7                3.0 +/-    0.69       6.3 +/-    0.69  0.040 / 0.070
G06     179.6          26.7                5.1 +/-    1.20       9.7 +/-    1.20  0.040 / 0.060
G11     44.2           12.6                1.8 +/-    2.13       4.9 +/-    2.13  0.020 / 0.030
G13     247.1          27.8                4.2 +/-    1.93       7.8 +/-    1.93  0.020 / 0.030
G15     278.5          15.2                4.0 +/-    1.67      10.0 +/-    1.67  0.110 / 0.370
G17     334.5          76.7                5.5 +/-    0.43       5.6 +/-    0.43  0.120 / 0.330
G19     256.3          64.4                5.9 +/-    0.82       6.5 +/-    0.82  0.110 / 0.240
G24     318.9          10.9              -13.4 +/-   24.43     -36.8 +/-   24.43  0.120 / 0.270
G28     60.1           50.5                3.9 +/-    1.00       4.9 +/-    1.00  0.100 / 0.120
G30     150.7          33.8                6.6 +/-    1.48      10.8 +/-    1.48  0.100 / 0.110