PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-02:27:50
G08     311.1          18.3                7.7 +/-    1.59      17.8 +/-    1.59  0.070 / 0.100
G10     328.4          59.4                7.7 +/-    0.60       8.8 +/-    0.60  0.060 / 0.080
G14     217.3          26.9               12.4 +/-    2.11      23.2 +/-    2.11  0.080 / 0.210
G15     46.5           14.5                5.5 +/-    1.96      13.8 +/-    1.96  0.090 / 0.240
G20     348.1          64.3               13.2 +/-    0.39      14.5 +/-    0.39  0.020 / 0.030
G21     132.1          60.0               10.2 +/-    0.88      11.6 +/-    0.88  0.030 / 0.030
G24     74.9           29.6                8.6 +/-    0.74      15.1 +/-    0.74  0.060 / 0.110
G27     277.6          37.6               11.1 +/-    1.58      16.9 +/-    1.58  0.060 / 0.100
G32     221.5          52.3               12.3 +/-    1.43      15.1 +/-    1.43  0.040 / 0.060