PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-04:27:30
G03     214.8          59.0                4.6 +/-    1.75       5.3 +/-    1.75  0.100 / 0.230
G07     257.5          17.4                5.3 +/-    1.07      12.3 +/-    1.07  0.090 / 0.180
G09     310.5          28.9                1.7 +/-    1.26       3.1 +/-    1.26  0.170 / 0.380
G16     93.3           63.1                4.8 +/-    1.31       5.4 +/-    1.31  0.180 / 0.320
G22     191.0          42.8                5.1 +/-    0.74       7.1 +/-    0.74  0.070 / 0.110
G23     332.3          61.4                3.8 +/-    0.61       4.3 +/-    0.61  0.070 / 0.110
G26     53.8           42.7                4.0 +/-    1.10       5.6 +/-    1.10  0.050 / 0.070
G27     134.6          10.0              -12.4 +/-   19.11     -34.6 +/-   19.11  0.050 / 0.080