PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-10:27:40
G01     220.8          12.5                4.1 +/-    1.98      10.8 +/-    1.98  0.030 / 0.040
G03     260.4          71.7                5.3 +/-    0.57       5.5 +/-    0.57  0.040 / 0.040
G14     91.9           20.1                3.7 +/-    1.81       8.0 +/-    1.81  0.040 / 0.040
G16     141.9          50.1                6.3 +/-    0.86       7.9 +/-    0.86  0.040 / 0.040
G22     201.3          63.6                5.5 +/-    0.41       6.1 +/-    0.41  0.100 / 0.290
G23     313.7          44.0                3.8 +/-    0.68       5.2 +/-    0.68  0.120 / 0.210
G26     86.9           54.8                5.7 +/-    1.30       6.8 +/-    1.30  0.110 / 0.270
G31     48.3           26.0                1.2 +/-    2.51       2.3 +/-    2.51  0.130 / 0.270