PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-14:57:40
G03     309.8          58.5                7.2 +/-    1.27       8.3 +/-    1.27  0.080 / 0.090
G14     69.9           36.5                7.5 +/-    0.89      11.6 +/-    0.89  0.080 / 0.080
G16     156.7          29.6               10.5 +/-    1.64      18.6 +/-    1.64  0.040 / 0.050
G18     214.0          19.0                9.9 +/-    3.44      22.3 +/-    3.44  0.040 / 0.050
G22     264.0          77.2                7.9 +/-    0.54       8.1 +/-    0.54  0.110 / 0.140
G23     297.0          29.5                8.7 +/-    2.39      15.4 +/-    2.39  0.110 / 0.120
G26     121.4          47.1                9.8 +/-    0.62      12.8 +/-    0.62  0.040 / 0.030
G31     41.2           45.3                6.6 +/-    1.10       8.9 +/-    1.10  0.030 / 0.030
G32     87.4           14.7                7.2 +/-    2.67      17.9 +/-    2.67  0.050 / 0.050