PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-22:57:30
G03     235.6          67.3                7.8 +/-    0.37       8.4 +/-    0.37  0.070 / 0.060
G09     306.2          24.1                6.4 +/-    1.28      12.7 +/-    1.28  0.060 / 0.060
G14     99.6           16.9                7.5 +/-    1.85      17.9 +/-    1.85  0.140 / 0.520
G16     117.4          59.9                9.1 +/-    0.51      10.4 +/-    0.51  0.130 / 0.530
G22     196.3          53.4               10.1 +/-    1.92      12.3 +/-    1.92  0.060 / 0.070
G23     321.0          50.9                7.2 +/-    1.09       9.0 +/-    1.09  0.070 / 0.080
G26     65.6           50.1                5.8 +/-    1.00       7.2 +/-    1.00  0.040 / 0.040
G31     53.8           17.4                4.3 +/-    0.97      10.1 +/-    0.97  0.030 / 0.040