PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-16:28:10
G02     245.9          75.1                9.7 +/-    0.48      10.0 +/-    0.48  0.040 / 0.060
G05     171.4          17.4                9.9 +/-    1.45      23.3 +/-    1.45  0.040 / 0.040
G06     40.0           55.5                9.4 +/-    0.69      11.1 +/-    0.69  0.130 / 0.120
G12     321.1          53.3                8.6 +/-    1.01      10.4 +/-    1.01  0.080 / 0.090
G17     70.1           24.5                8.8 +/-    2.36      17.3 +/-    2.36  0.080 / 0.110
G19     59.9           35.8                9.8 +/-    2.83      15.3 +/-    2.83  0.070 / 0.120
G24     244.0          33.4               12.4 +/-    2.13      20.3 +/-    2.13  0.060 / 0.070
G25     316.6          13.0                5.7 +/-    8.93      14.9 +/-    8.93  0.080 / 0.070