PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-07:42:40
G10     262.3          36.2                6.3 +/-    1.26       9.7 +/-    1.26  0.040 / 0.040
G13     44.1           21.1                4.2 +/-    1.84       9.1 +/-    1.84  0.040 / 0.040
G15     63.7           51.1                4.8 +/-    0.90       6.0 +/-    0.90  0.220 / 0.310
G16     288.7          12.7                3.3 +/-    1.48       8.6 +/-    1.48  0.210 / 0.360
G20     289.5          58.2                5.5 +/-    1.16       6.3 +/-    1.16  0.080 / 0.230
G21     0.3            70.1                5.1 +/-    0.74       5.4 +/-    0.74  0.110 / 0.190
G24     123.0          11.7                6.5 +/-    1.73      17.5 +/-    1.73  0.080 / 0.090
G27     321.2          13.4                0.5 +/-    1.77       1.2 +/-    1.77  0.090 / 0.090
G29     164.1          31.1                4.9 +/-    1.51       8.3 +/-    1.51  0.100 / 0.220