PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-14:42:50
G01     305.8          34.0                6.3 +/-    2.22      10.2 +/-    2.22  0.060 / 0.100
G10     107.6          39.2                8.0 +/-    0.76      11.8 +/-    0.76  0.060 / 0.110
G11     283.3          27.0                9.6 +/-    1.28      17.9 +/-    1.28  0.030 / 0.050
G14     354.8          66.8                6.6 +/-    0.27       7.1 +/-    0.27  0.030 / 0.040
G22     310.8          29.4                5.8 +/-    1.17      10.3 +/-    1.17  0.030 / 0.020
G25     81.4           17.2                8.6 +/-    1.68      20.2 +/-    1.68  0.030 / 0.020
G31     162.5          67.7                9.2 +/-    0.39       9.9 +/-    0.39  0.110 / 0.110
G32     38.9           50.5                6.6 +/-    1.38       8.2 +/-    1.38  0.100 / 0.120