PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-02:28:00
G07     27.7           69.4                5.0 +/-    0.34       5.3 +/-    0.34  0.050 / 0.050
G08     57.2           44.4                5.8 +/-    0.98       7.8 +/-    0.98  0.050 / 0.050
G09     174.9          40.9                7.9 +/-    0.83      11.4 +/-    0.83  0.050 / 0.060
G11     130.6          30.9                8.0 +/-    1.25      13.7 +/-    1.25  0.130 / 0.120
G23     160.7          16.1                5.5 +/-    1.59      13.4 +/-    1.59  0.080 / 0.150
G27     38.8           13.7                2.1 +/-    2.93       5.3 +/-    2.93  0.110 / 0.110
G28     257.8          40.5                6.4 +/-    1.51       9.3 +/-    1.51  0.140 / 0.320
G30     320.2          50.7                4.4 +/-    0.67       5.5 +/-    0.67  0.180 / 0.530