PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-05:12:50
G01     320.1          15.9              -13.5 +/-   34.05     -33.0 +/-   34.05  0.150 / 0.350
G08     262.9          15.3                7.3 +/-    2.37      18.0 +/-    2.37  0.180 / 0.330
G10     74.8           53.8                5.8 +/-    0.72       7.0 +/-    0.72  0.030 / 0.030
G11     306.4          21.1                3.9 +/-    3.37       8.3 +/-    3.37  0.040 / 0.030
G14     284.1          69.7                6.6 +/-    1.42       7.0 +/-    1.42  0.260 / 0.310
G18     307.6          38.6                3.4 +/-    1.29       5.0 +/-    1.29  0.310 / 0.360
G20     102.2          31.9                4.9 +/-    0.98       8.2 +/-    0.98  0.040 / 0.040
G27     227.4          11.7                7.2 +/-    1.53      19.3 +/-    1.53  0.050 / 0.040
G31     175.8          38.6                8.6 +/-    1.08      12.9 +/-    1.08  0.150 / 0.320
G32     353.0          71.2                5.9 +/-    0.94       6.2 +/-    0.94  0.160 / 0.280