PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-05:42:40
G01     55.4           27.9                2.6 +/-    2.29       4.7 +/-    2.29  0.040 / 0.030
G06     178.5          17.3                5.3 +/-    2.50      12.5 +/-    2.50  0.040 / 0.030
G07     143.0          20.0                6.6 +/-    2.78      14.5 +/-    2.78  0.080 / 0.180
G11     48.1           25.4                4.6 +/-    2.37       8.9 +/-    2.37  0.110 / 0.190
G13     257.7          35.3                9.0 +/-    2.16      14.2 +/-    2.16  0.050 / 0.050
G15     288.7          17.2                4.8 +/-    1.07      11.2 +/-    1.07  0.040 / 0.050
G17     270.1          78.6                7.8 +/-    0.78       7.9 +/-    0.78  0.050 / 0.020
G19     234.9          55.5                8.5 +/-    1.46      10.1 +/-    1.46  0.030 / 0.020
G28     24.9           59.9                3.7 +/-    0.74       4.2 +/-    0.74  0.080 / 0.060
G30     146.6          53.7                8.2 +/-    0.50       9.9 +/-    0.50  0.060 / 0.080