PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-06:27:50
G01     57.4           28.8                4.0 +/-    1.18       7.2 +/-    1.18  0.040 / 0.040
G06     178.8          15.7                2.8 +/-    0.99       6.9 +/-    0.99  0.040 / 0.040
G07     142.1          21.5                6.8 +/-    2.44      14.4 +/-    2.44  0.060 / 0.130
G11     48.8           26.6                4.3 +/-    2.34       8.2 +/-    2.34  0.060 / 0.140
G13     260.0          36.0                8.4 +/-    2.01      13.0 +/-    2.01  0.200 / 0.270
G15     290.9          17.1                5.7 +/-    1.61      13.4 +/-    1.61  0.140 / 0.310
G17     260.1          77.3                7.7 +/-    0.62       7.8 +/-    0.62  0.050 / 0.050
G19     232.7          53.8                8.2 +/-    2.43       9.9 +/-    2.43  0.040 / 0.050
G28     21.8           60.1                5.0 +/-    1.74       5.6 +/-    1.74  0.040 / 0.030
G30     145.3          55.4                8.9 +/-    0.63      10.5 +/-    0.63  0.050 / 0.030