PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-06:58:00
G01     38.4           12.2                1.4 +/-    4.64       3.7 +/-    4.64  0.090 / 0.160
G02     198.7          11.8                2.4 +/-    9.31       6.4 +/-    9.31  0.110 / 0.140
G06     172.8          42.6                9.4 +/-    0.68      13.2 +/-    0.68  0.110 / 0.290
G13     233.5          20.6                6.3 +/-    1.69      13.6 +/-    1.69  0.100 / 0.260
G15     265.6          11.2                4.6 +/-    2.56      12.5 +/-    2.56  0.040 / 0.060
G17     8.5            68.0                6.2 +/-    0.62       6.6 +/-    0.62  0.040 / 0.050
G19     291.7          72.0                6.6 +/-    0.52       6.9 +/-    0.52  0.040 / 0.040
G24     315.7          20.3                2.1 +/-    2.91       4.6 +/-    2.91  0.040 / 0.030
G28     66.7           51.8                6.2 +/-    1.51       7.6 +/-    1.51  0.150 / 0.450
G30     156.6          28.0                8.8 +/-    2.57      16.1 +/-    2.57  0.280 / 0.340