PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-00:12:30
G03     238.5          67.8                3.4 +/-    0.69       3.6 +/-    0.69  0.140 / 0.480
G09     305.0          21.9                4.4 +/-    1.60       9.2 +/-    1.60  0.120 / 0.330
G14     100.5          13.4                4.2 +/-    1.79      10.9 +/-    1.79  0.040 / 0.050
G16     124.9          59.4                6.0 +/-    0.52       6.8 +/-    0.52  0.040 / 0.040
G22     196.3          55.1                5.4 +/-    0.35       6.4 +/-    0.35  0.040 / 0.030
G23     318.3          48.0                4.3 +/-    1.31       5.6 +/-    1.31  0.030 / 0.030
G26     69.4           52.2                3.0 +/-    0.59       3.7 +/-    0.59  0.040 / 0.040
G31     52.1           21.0                3.1 +/-    2.59       6.6 +/-    2.59  0.030 / 0.040