PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-14:57:50
G02     200.8          13.3               10.7 +/-    4.41      27.6 +/-    4.41  0.080 / 0.190
G06     170.1          49.9                9.3 +/-    0.79      11.8 +/-    0.79  0.090 / 0.170
G13     230.8          16.5                7.2 +/-    2.70      17.2 +/-    2.70  0.070 / 0.160
G17     17.5           63.0                6.8 +/-    0.57       7.6 +/-    0.57  0.070 / 0.160
G19     293.8          69.5                6.8 +/-    1.03       7.2 +/-    1.03  0.090 / 0.380
G24     312.3          27.2                5.7 +/-    1.81      10.5 +/-    1.81  0.080 / 0.290
G28     81.6           42.8                7.8 +/-    0.51      10.9 +/-    0.51  0.030 / 0.060
G30     156.9          21.0                9.1 +/-    1.88      19.5 +/-    1.88  0.040 / 0.060