PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-07:27:50
G01     38.9           13.3                1.1 +/-    0.88       2.8 +/-    0.88  0.130 / 0.450
G02     198.8          10.4               -2.3 +/-    8.74      -6.3 +/-    8.74  0.140 / 0.490
G06     173.0          41.3                7.0 +/-    0.93      10.0 +/-    0.93  0.060 / 0.130
G13     234.6          21.4                7.2 +/-    1.51      15.2 +/-    1.51  0.060 / 0.140
G15     267.0          11.7                4.8 +/-    1.97      13.0 +/-    1.97  0.140 / 0.310
G17     5.8            69.2                5.8 +/-    0.81       6.2 +/-    0.81  0.160 / 0.420
G19     287.2          71.7                6.4 +/-    0.79       6.8 +/-    0.79  0.040 / 0.050
G24     316.2          19.3                3.3 +/-    0.72       7.4 +/-    0.72  0.040 / 0.040
G28     65.0           52.2                5.8 +/-    0.65       7.2 +/-    0.65  0.030 / 0.080
G30     156.2          29.0                7.3 +/-    0.91      13.1 +/-    0.91  0.040 / 0.070