PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-05:28:10
G03     239.1          67.6                6.6 +/-    1.08       7.1 +/-    1.08  0.060 / 0.060
G09     305.7          23.4                5.0 +/-    1.16      10.2 +/-    1.16  0.060 / 0.050
G14     100.4          14.5                4.4 +/-    1.36      11.0 +/-    1.36  0.120 / 0.340
G16     120.4          59.9                7.0 +/-    0.30       8.0 +/-    0.30  0.130 / 0.350
G22     195.5          54.6                6.7 +/-    0.49       8.1 +/-    0.49  0.060 / 0.060
G23     319.7          49.5                5.8 +/-    0.51       7.4 +/-    0.51  0.050 / 0.060
G26     66.2           50.2                6.6 +/-    0.64       8.3 +/-    0.64  0.050 / 0.040
G31     53.2           17.9                3.4 +/-    3.83       8.0 +/-    3.83  0.040 / 0.040