PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-11:58:10
G01     316.0          24.6                3.4 +/-    1.22       6.7 +/-    1.22  0.160 / 0.160
G10     91.1           47.7                3.9 +/-    1.08       5.0 +/-    1.08  0.230 / 0.170
G11     294.7          26.4                5.8 +/-    2.88      10.9 +/-    2.88  0.030 / 0.020
G14     324.2          71.4                3.4 +/-    0.47       3.6 +/-    0.47  0.030 / 0.020
G18     293.9          47.4                4.5 +/-    8.00       5.9 +/-    8.00  0.040 / 0.040
G20     111.7          23.3                4.6 +/-    1.24       9.3 +/-    1.24  0.040 / 0.040
G22     305.7          19.6                3.8 +/-    2.00       8.5 +/-    2.00  0.040 / 0.040
G25     93.2           11.4               -0.2 +/-   19.89      -0.6 +/-   19.89  0.030 / 0.040
G31     175.6          48.9                5.8 +/-    0.84       7.4 +/-    0.84  0.070 / 0.180
G32     10.9           65.2                3.6 +/-    0.73       3.9 +/-    0.73  0.090 / 0.200