PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-19:42:40
G02     251.2          77.5                9.3 +/-    0.53       9.5 +/-    0.53  0.120 / 0.340
G05     170.2          18.8               13.9 +/-    2.23      31.5 +/-    2.23  0.150 / 0.390
G06     39.7           55.9                8.4 +/-    0.62       9.9 +/-    0.62  0.040 / 0.040
G12     320.9          52.7                8.2 +/-    1.22      10.1 +/-    1.22  0.030 / 0.030
G17     71.9           22.1                8.7 +/-    1.47      18.3 +/-    1.47  0.080 / 0.110
G19     60.3           35.8                7.7 +/-    1.73      12.1 +/-    1.73  0.080 / 0.110
G24     242.4          33.0               12.0 +/-    2.47      19.7 +/-    2.47  0.110 / 0.160
G25     316.7          14.0                6.0 +/-    2.45      15.3 +/-    2.45  0.090 / 0.130