PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-17:12:30
G02     214.2          54.6               12.0 +/-    1.09      14.4 +/-    1.09  0.070 / 0.330
G06     63.6           74.9               10.8 +/-    0.76      11.2 +/-    0.76  0.070 / 0.280
G12     318.8          37.2                8.2 +/-    0.68      12.5 +/-    0.68  0.050 / 0.080
G17     55.3           33.6                8.7 +/-    0.59      14.2 +/-    0.59  0.030 / 0.060
G19     31.4           53.7               10.3 +/-    0.42      12.4 +/-    0.42  0.040 / 0.070
G24     267.7          42.6               10.1 +/-    1.44      14.1 +/-    1.44  0.040 / 0.060
G28     120.4          16.2                8.8 +/-    1.12      21.2 +/-    1.12  0.040 / 0.080