PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-16:57:50
G02     233.3          71.0                8.0 +/-    0.56       8.4 +/-    0.56  0.040 / 0.040
G05     173.3          12.9                8.8 +/-    1.91      23.0 +/-    1.91  0.030 / 0.040
G06     41.6           61.2                7.9 +/-    0.70       8.9 +/-    0.70  0.040 / 0.060
G12     320.8          47.5                5.8 +/-    1.08       7.6 +/-    1.08  0.050 / 0.070
G17     65.8           27.3                6.2 +/-    0.41      11.5 +/-    0.41  0.080 / 0.120
G19     54.4           39.3                7.7 +/-    0.65      11.4 +/-    0.65  0.090 / 0.100
G24     249.6          36.4               10.3 +/-    1.29      15.9 +/-    1.29  0.030 / 0.040