PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/26-05:27:50
G01     66.8           31.4                4.8 +/-    0.98       8.2 +/-    0.98  0.030 / 0.030
G07     137.8          29.8                7.1 +/-    1.12      12.5 +/-    1.12  0.030 / 0.030
G11     54.2           33.5                4.7 +/-    1.94       7.6 +/-    1.94  0.170 / 0.210
G13     271.1          38.6                7.7 +/-    1.62      11.4 +/-    1.62  0.120 / 0.250
G15     298.9          16.6                3.2 +/-    1.85       7.7 +/-    1.85  0.040 / 0.050
G17     234.0          70.9                8.3 +/-    0.54       8.7 +/-    0.54  0.040 / 0.040
G19     224.1          45.7                8.2 +/-    2.28      11.0 +/-    2.28  0.030 / 0.040
G28     4.5            61.3                5.4 +/-    0.72       6.0 +/-    0.72  0.030 / 0.040
G30     137.7          64.7                8.1 +/-    0.74       8.9 +/-    0.74  0.090 / 0.080