PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-00:58:10
G01     306.4          33.9                6.6 +/-    1.43      10.6 +/-    1.43  0.080 / 0.180
G10     107.2          38.9                9.1 +/-    0.67      13.5 +/-    0.67  0.080 / 0.130
G11     279.5          28.3                7.6 +/-    1.15      13.7 +/-    1.15  0.050 / 0.050
G14     357.6          66.7                6.9 +/-    0.55       7.4 +/-    0.55  0.050 / 0.050
G18     273.9          50.5                7.9 +/-    0.76       9.9 +/-    0.76  0.060 / 0.190
G20     121.0          13.4                7.5 +/-    2.00      19.4 +/-    2.00  0.060 / 0.200
G22     310.0          25.9                5.7 +/-    2.07      10.9 +/-    2.07  0.070 / 0.090
G25     78.8           16.3                5.0 +/-    1.39      12.1 +/-    1.39  0.060 / 0.100
G31     164.7          66.4                9.9 +/-    0.94      10.7 +/-    0.94  0.050 / 0.070
G32     38.3           50.9                7.5 +/-    0.29       9.4 +/-    0.29  0.050 / 0.060