PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-23:27:40
G02     29.9           58.2                8.9 +/-    0.57      10.3 +/-    0.57  0.040 / 0.040
G05     142.5          59.6               11.0 +/-    0.58      12.5 +/-    0.58  0.030 / 0.040
G06     52.3           17.4                7.2 +/-    0.64      16.8 +/-    0.64  0.020 / 0.040
G12     200.4          70.6                9.3 +/-    0.69       9.8 +/-    0.69  0.020 / 0.040
G19     96.7           13.5               10.2 +/-    1.66      26.2 +/-    1.66  0.050 / 0.080
G25     301.9          50.8                9.4 +/-    0.80      11.8 +/-    0.80  0.050 / 0.060
G29     304.5          24.5               10.3 +/-    1.53      20.3 +/-    1.53  0.090 / 0.220