PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-06:27:50
G01     291.9          40.9                5.0 +/-    0.92       7.1 +/-    0.92  0.060 / 0.100
G03     311.7          17.2                4.0 +/-    1.45       9.4 +/-    1.45  0.060 / 0.100
G10     118.4          28.4                5.5 +/-    0.86       9.9 +/-    0.86  0.040 / 0.080
G11     266.7          25.6                7.1 +/-    1.35      13.7 +/-    1.35  0.050 / 0.070
G14     21.2           60.0                4.2 +/-    0.42       4.8 +/-    0.42  0.050 / 0.090
G18     253.3          48.3                7.0 +/-    0.84       9.0 +/-    0.84  0.050 / 0.120
G22     313.9          37.7                4.0 +/-    1.61       6.1 +/-    1.61  0.040 / 0.060
G25     69.4           18.6                2.4 +/-    0.95       5.5 +/-    0.95  0.040 / 0.060
G31     130.0          77.8                6.3 +/-    0.32       6.4 +/-    0.32  0.070 / 0.130
G32     47.7           44.8                3.5 +/-    0.33       4.7 +/-    0.33  0.050 / 0.120