PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-02:27:50
G01     248.9          34.4                6.3 +/-    1.80      10.1 +/-    1.80  0.040 / 0.040
G03     315.7          44.3                3.9 +/-    1.30       5.3 +/-    1.30  0.040 / 0.030
G11     234.7          10.8                6.9 +/-    3.22      18.8 +/-    3.22  0.070 / 0.100
G14     61.8           40.1                4.1 +/-    0.90       5.9 +/-    0.90  0.060 / 0.100
G18     218.1          25.5                6.0 +/-    1.72      11.6 +/-    1.72  0.070 / 0.110
G22     302.4          66.8                4.8 +/-    0.58       5.2 +/-    0.58  0.060 / 0.110
G23     287.7          19.6                5.0 +/-    1.76      11.2 +/-    1.76  0.110 / 0.240
G26     133.7          39.8                6.9 +/-    0.67      10.0 +/-    0.67  0.110 / 0.290
G31     40.9           56.3                3.7 +/-    0.79       4.3 +/-    0.79  0.110 / 0.370
G32     79.3           20.9                3.8 +/-    1.45       8.2 +/-    1.45  0.120 / 0.390