PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-10:42:50
G08     317.0          14.7                2.1 +/-    2.17       5.3 +/-    2.17  0.070 / 0.110
G10     314.0          56.8                3.3 +/-    1.46       3.9 +/-    1.46  0.060 / 0.070
G14     212.8          21.6                3.5 +/-    2.46       7.5 +/-    2.46  0.040 / 0.030
G15     45.6           18.7                2.1 +/-    2.49       4.8 +/-    2.49  0.030 / 0.030
G20     16.1           63.8                4.1 +/-    0.69       4.5 +/-    0.69  0.280 / 0.180
G21     121.8          62.8                6.1 +/-    0.42       6.8 +/-    0.42  0.170 / 0.170
G24     84.3           28.7                5.5 +/-    2.13       9.9 +/-    2.13  0.090 / 0.040
G27     291.4          36.2                5.9 +/-    1.25       9.1 +/-    1.25  0.060 / 0.040
G32     215.7          37.8                5.1 +/-    1.17       7.6 +/-    1.17  0.140 / 0.300