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                2.9 +/-    0.46       5.3 +/-    0.46  0.050 / 0.040
G06     178.8          15.7                5.4 +/-    3.18      13.2 +/-    3.18  0.040 / 0.040
G07     142.1          21.5                6.4 +/-    1.16      13.6 +/-    1.16  0.050 / 0.120
G11     48.8           26.6                4.2 +/-    2.34       8.0 +/-    2.34  0.050 / 0.140
G13     260.0          36.0                8.3 +/-    0.54      12.9 +/-    0.54  0.070 / 0.170
G15     290.9          17.1                3.7 +/-    1.01       8.7 +/-    1.01  0.090 / 0.250
G17     260.1          77.3                8.0 +/-    0.99       8.2 +/-    0.99  0.100 / 0.160
G19     232.7          53.8                7.9 +/-    1.61       9.5 +/-    1.61  0.070 / 0.180
G28     21.8           60.1                5.1 +/-    0.39       5.8 +/-    0.39  0.040 / 0.050
G30     145.3          55.4                8.7 +/-    0.60      10.3 +/-    0.60  0.040 / 0.040