PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-13:12:30
G02     65.5           26.8                3.9 +/-    1.40       7.4 +/-    1.40  0.040 / 0.040
G05     52.0           58.6                5.5 +/-    0.52       6.3 +/-    0.52  0.030 / 0.030
G12     180.4          23.4                5.9 +/-    1.72      11.9 +/-    1.72  0.100 / 0.170
G13     121.0          19.3                7.7 +/-    1.29      17.2 +/-    1.29  0.120 / 0.180
G15     158.0          19.1                7.4 +/-    1.41      16.7 +/-    1.41  0.030 / 0.030
G21     277.3          21.4                5.2 +/-    3.40      11.2 +/-    3.40  0.030 / 0.040
G25     228.1          47.1                6.8 +/-    3.70       8.9 +/-    3.70  0.540 / 0.460
G29     332.5          60.0                5.5 +/-    0.82       6.3 +/-    0.82  0.190 / 0.320