PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-15:28:10
G08     267.7          17.1                7.3 +/-    0.79      17.3 +/-    0.79  0.190 / 0.330
G10     64.1           58.0                5.2 +/-    0.68       6.1 +/-    0.68  0.210 / 0.200
G11     311.9          16.4                4.6 +/-    3.25      11.1 +/-    3.25  0.210 / 0.280
G14     269.6          66.1                5.8 +/-    0.70       6.3 +/-    0.70  0.190 / 0.310
G21     154.1          11.1                8.5 +/-    3.30      23.1 +/-    3.30  0.040 / 0.050
G27     229.5          14.3                7.5 +/-    2.10      19.1 +/-    2.10  0.040 / 0.050
G31     177.7          32.7                8.1 +/-    1.77      13.5 +/-    1.77  0.080 / 0.090
G32     346.9          73.0                5.6 +/-    0.39       5.8 +/-    0.39  0.080 / 0.080