PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-10:28:00
G02     200.2          17.4                4.7 +/-    3.11      11.0 +/-    3.11  0.120 / 0.230
G06     169.8          51.7                6.3 +/-    0.47       7.8 +/-    0.47  0.090 / 0.210
G13     227.6          15.1                6.3 +/-    3.30      15.6 +/-    3.30  0.180 / 0.520
G17     16.9           62.8                4.2 +/-    0.62       4.6 +/-    0.62  0.350 / 1.010
G19     320.4          72.1                3.8 +/-    0.78       4.0 +/-    0.78  0.040 / 0.050
G24     312.0          26.4                3.4 +/-    1.03       6.4 +/-    1.03  0.040 / 0.050
G28     78.7           47.2                6.0 +/-    1.16       7.8 +/-    1.16  0.040 / 0.040
G30     157.6          19.0                4.6 +/-    0.91      10.5 +/-    0.91  0.040 / 0.030