PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/21-09:27:50
G08     321.0          10.8              -11.7 +/-   23.48     -32.2 +/-   23.48  0.030 / 0.030
G10     304.0          54.2                5.0 +/-    1.13       6.0 +/-    1.13  0.030 / 0.030
G14     210.8          15.8                4.7 +/-    1.56      11.6 +/-    1.56  0.210 / 0.310
G15     45.6           23.9                2.3 +/-    2.50       4.5 +/-    2.50  0.130 / 0.290
G20     2.0            64.9                4.9 +/-    0.59       5.4 +/-    0.59  0.050 / 0.050
G21     110.3          68.6                6.1 +/-    0.58       6.5 +/-    0.58  0.050 / 0.050
G24     91.7           27.5                3.5 +/-    1.54       6.4 +/-    1.54  0.160 / 0.210
G27     298.4          34.5                3.9 +/-    2.44       6.2 +/-    2.44  0.190 / 0.180
G32     212.7          31.2                6.2 +/-    2.04      10.7 +/-    2.04  0.070 / 0.110