PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-10:28:00
G02     200.9          23.0                4.9 +/-    3.30      10.0 +/-    3.30  0.190 / 0.270
G06     167.0          57.9                5.6 +/-    0.44       6.5 +/-    0.44  0.110 / 0.240
G13     223.6          11.4                4.1 +/-    1.79      11.0 +/-    1.79  0.030 / 0.030
G17     23.7           58.4                5.8 +/-    0.76       6.7 +/-    0.76  0.030 / 0.030
G19     339.0          70.4                5.1 +/-    0.42       5.4 +/-    0.42  0.050 / 0.080
G28     85.8           44.3                6.7 +/-    1.27       9.1 +/-    1.27  0.050 / 0.080
G30     158.2          13.8                4.7 +/-    1.72      12.1 +/-    1.72  0.390 / 0.260