PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-04:58:00
G01     231.6          23.7                6.8 +/-    2.49      13.7 +/-    2.49  0.030 / 0.040
G03     305.3          60.9                3.8 +/-    0.82       4.3 +/-    0.82  0.030 / 0.030
G14     76.9           31.1                3.9 +/-    2.08       6.6 +/-    2.08  0.060 / 0.110
G16     152.1          35.7                6.5 +/-    1.09      10.2 +/-    1.09  0.090 / 0.130
G18     208.0          12.9                5.4 +/-    2.59      14.1 +/-    2.59  0.160 / 0.290
G22     252.8          74.8                5.6 +/-    0.80       5.8 +/-    0.80  0.200 / 0.260
G23     302.0          33.8                3.8 +/-    1.26       6.1 +/-    1.26  0.090 / 0.130
G26     113.4          50.9                5.7 +/-    0.69       7.1 +/-    0.69  0.090 / 0.120
G31     43.0           38.8               -3.8 +/-    1.16      -5.7 +/-    1.16  0.100 / 0.500
G32     91.7           12.0                4.7 +/-    1.94      12.5 +/-    1.94  0.100 / 0.540