PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-16:12:30
G02     28.6           58.6                9.2 +/-    0.54      10.5 +/-    0.54  0.040 / 0.060
G05     146.4          60.7               12.2 +/-    0.76      13.8 +/-    0.76  0.050 / 0.050
G06     53.8           15.1                5.3 +/-    2.42      13.1 +/-    2.42  0.030 / 0.030
G12     193.2          66.2                9.7 +/-    0.74      10.5 +/-    0.74  0.030 / 0.030
G19     98.3           13.5                7.5 +/-    2.59      19.4 +/-    2.59  0.030 / 0.030
G25     294.6          55.4                7.7 +/-    4.41       9.1 +/-    4.41  0.030 / 0.040
G29     306.8          27.2                6.6 +/-    1.82      12.3 +/-    1.82  0.070 / 0.180