PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/05-05:12:50
G01     55.9           28.1                2.7 +/-    1.46       4.9 +/-    1.46  0.030 / 0.040
G06     178.7          16.7                5.3 +/-    2.51      12.7 +/-    2.51  0.040 / 0.040
G07     142.7          20.7                5.5 +/-    2.22      12.0 +/-    2.22  0.090 / 0.120
G11     48.5           26.1                3.1 +/-    2.42       5.9 +/-    2.42  0.070 / 0.110
G13     258.4          35.6                6.9 +/-    1.24      10.8 +/-    1.24  0.050 / 0.060
G15     289.0          17.3                3.3 +/-    0.72       7.7 +/-    0.72  0.040 / 0.050
G17     267.6          78.5                6.3 +/-    0.56       6.4 +/-    0.56  0.030 / 0.020
G19     234.1          55.0                6.2 +/-    2.15       7.4 +/-    2.15  0.030 / 0.020
G28     23.5           60.0                3.0 +/-    1.05       3.5 +/-    1.05  0.150 / 0.150
G30     146.3          54.5                6.9 +/-    0.41       8.3 +/-    0.41  0.100 / 0.250