PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-12:27:50
G08     267.7          19.1                3.6 +/-    2.01       8.2 +/-    2.01  0.030 / 0.020
G10     59.1           58.3                4.3 +/-    0.45       4.9 +/-    0.45  0.030 / 0.030
G11     312.1          17.0               -4.1 +/-   12.44      -9.7 +/-   12.44  0.040 / 0.060
G14     263.7          66.2                5.2 +/-    0.77       5.6 +/-    0.77  0.040 / 0.050
G18     312.3          33.3                3.0 +/-    0.99       5.0 +/-    0.99  0.170 / 0.270
G20     93.9           37.5                5.1 +/-    0.41       7.8 +/-    0.41  0.140 / 0.240
G21     153.6          13.7                6.3 +/-    4.55      16.1 +/-    4.55  0.090 / 0.180
G27     235.1          17.8                5.2 +/-    3.51      12.1 +/-    3.51  0.080 / 0.170
G31     180.4          26.4                5.4 +/-    2.14      10.2 +/-    2.14  0.160 / 0.340
G32     315.5          74.8                5.4 +/-    0.82       5.6 +/-    0.82  0.100 / 0.350