PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-12:43:00
G02     200.9          15.5                6.0 +/-    2.27      14.7 +/-    2.27  0.100 / 0.170
G06     169.9          51.6                5.5 +/-    0.82       6.8 +/-    0.82  0.120 / 0.150
G13     227.7          15.1                4.8 +/-    2.26      11.9 +/-    2.26  0.030 / 0.040
G17     14.2           63.9                2.8 +/-    0.47       3.1 +/-    0.47  0.030 / 0.030
G19     319.5          72.0                3.0 +/-    0.88       3.1 +/-    0.88  0.040 / 0.040
G24     311.9          26.7                4.2 +/-    0.80       7.9 +/-    0.80  0.040 / 0.040
G28     79.3           46.7                3.8 +/-    1.28       5.0 +/-    1.28  0.100 / 0.190
G30     157.1          17.9                5.6 +/-    0.92      13.0 +/-    0.92  0.110 / 0.160