PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-00:13:10
G01     99.2           29.2                7.5 +/-    1.23      13.4 +/-    1.23  0.030 / 0.080
G07     117.1          52.6                8.8 +/-    0.58      10.8 +/-    0.58  0.040 / 0.060
G08     42.0           16.3                5.1 +/-    1.63      12.3 +/-    1.63  0.120 / 0.190
G11     82.4           43.5                7.2 +/-    0.87       9.9 +/-    0.87  0.110 / 0.280
G13     303.6          32.3                5.2 +/-    0.97       8.7 +/-    0.97  0.040 / 0.060
G17     210.1          43.7                9.9 +/-    1.59      13.6 +/-    1.59  0.040 / 0.050
G19     211.4          20.0                6.9 +/-    2.69      15.3 +/-    2.69  0.090 / 0.140
G28     334.7          61.8                6.0 +/-    0.70       6.7 +/-    0.70  0.080 / 0.130
G30     82.9           76.9                7.4 +/-    0.53       7.6 +/-    0.53  0.050 / 0.120