PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-04:27:50
G03     235.5          67.6                4.7 +/-    0.87       5.1 +/-    0.87  0.200 / 0.360
G09     304.5          20.1                3.7 +/-    1.95       8.1 +/-    1.95  0.140 / 0.430
G14     100.1          15.1                4.2 +/-    2.46      10.4 +/-    2.46  0.100 / 0.250
G16     119.9          59.6                5.7 +/-    0.75       6.4 +/-    0.75  0.140 / 0.240
G22     196.8          54.2                6.2 +/-    1.36       7.5 +/-    1.36  0.040 / 0.040
G23     322.6          52.5                4.5 +/-    0.67       5.5 +/-    0.67  0.040 / 0.040
G26     66.1           50.1                4.5 +/-    1.04       5.6 +/-    1.04  0.040 / 0.050
G31     53.8           16.6                2.4 +/-    1.29       5.8 +/-    1.29  0.060 / 0.050