PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-14:43:00
G02     201.9          23.7                8.5 +/-    1.52      17.1 +/-    1.52  0.060 / 0.080
G06     166.1          60.2                9.8 +/-    0.48      11.1 +/-    0.48  0.050 / 0.100
G17     22.2           58.9                7.9 +/-    0.88       9.1 +/-    0.88  0.070 / 0.140
G19     344.4          69.4                7.2 +/-    1.02       7.6 +/-    1.02  0.080 / 0.160
G24     306.2          32.5                5.3 +/-    1.69       8.9 +/-    1.69  0.030 / 0.030
G28     89.5           41.9                7.7 +/-    0.88      10.9 +/-    0.88  0.040 / 0.030