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              -16.3 +/-   29.12     -39.7 +/-   29.12  0.130 / 0.420
G08     262.9          15.3                7.3 +/-    0.98      18.0 +/-    0.98  0.140 / 0.310
G10     74.8           53.8                5.3 +/-    0.37       6.4 +/-    0.37  0.090 / 0.330
G11     306.4          21.1                4.2 +/-    2.81       9.1 +/-    2.81  0.120 / 0.420
G14     284.1          69.7                6.8 +/-    0.58       7.2 +/-    0.58  0.030 / 0.040
G18     307.6          38.6                4.6 +/-    0.97       6.8 +/-    0.97  0.040 / 0.040
G20     102.2          31.9                6.9 +/-    0.89      11.6 +/-    0.89  0.050 / 0.050
G27     227.4          11.7                6.4 +/-    2.52      17.1 +/-    2.52  0.060 / 0.050
G31     175.8          38.6                9.4 +/-    1.03      14.0 +/-    1.03  0.110 / 0.340
G32     353.0          71.2                5.7 +/-    0.63       6.0 +/-    0.63  0.100 / 0.280