PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-02:27:50
G01     230.7          23.1                7.6 +/-    2.99      15.6 +/-    2.99  0.180 / 0.240
G03     305.1          60.6                3.5 +/-    1.08       3.9 +/-    1.08  0.360 / 0.150
G14     76.8           31.8                3.0 +/-    1.66       5.1 +/-    1.66  0.060 / 0.120
G16     151.0          36.7                4.6 +/-    0.80       7.1 +/-    0.80  0.060 / 0.130
G18     207.7          12.5                5.7 +/-    2.18      15.1 +/-    2.18  0.130 / 0.530
G22     252.6          74.5                5.0 +/-    0.69       5.2 +/-    0.69  0.140 / 0.410
G23     301.7          32.8                2.1 +/-    1.90       3.4 +/-    1.90  0.070 / 0.100
G26     112.0          51.2                4.6 +/-    0.68       5.8 +/-    0.68  0.060 / 0.120
G31     43.2           38.4                2.6 +/-    1.04       3.9 +/-    1.04  0.040 / 0.040
G32     92.5           10.8                4.4 +/-    1.64      12.2 +/-    1.64  0.030 / 0.020