PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/13-16:12:30
G02     233.1          70.5              -17.1 +/-    1.02     -18.0 +/-    1.02  0.050 / 0.060
G05     173.5          12.7               12.3 +/-    2.85      32.4 +/-    2.85  0.040 / 0.060
G06     41.6           61.0                9.8 +/-    0.72      11.0 +/-    0.72  0.040 / 0.050
G12     320.9          47.9                8.5 +/-    0.87      11.0 +/-    0.87  0.040 / 0.040
G17     65.8           27.3                8.0 +/-    0.76      14.8 +/-    0.76  0.070 / 0.110
G19     54.5           39.2                9.7 +/-    0.81      14.3 +/-    0.81  0.070 / 0.110
G24     249.8          36.4               12.4 +/-    0.76      19.2 +/-    0.76  0.030 / 0.040