PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/07-15:58:00
G01     265.3          40.0                9.3 +/-    1.13      13.5 +/-    1.13  0.060 / 0.050
G03     316.7          37.4                7.2 +/-    1.43      10.9 +/-    1.43  0.060 / 0.050
G10     132.1          13.8               10.0 +/-    3.26      25.6 +/-    3.26  0.050 / 0.060
G11     249.8          18.5                9.5 +/-    0.50      21.7 +/-    0.50  0.060 / 0.060
G14     46.1           49.2                7.2 +/-    0.66       9.1 +/-    0.66  0.240 / 0.170
G22     312.9          58.2                8.5 +/-    1.69       9.9 +/-    1.69  0.070 / 0.160
G25     49.3           15.9                6.6 +/-    3.42      16.1 +/-    3.42  0.030 / 0.040
G31     47.7           68.7                8.4 +/-    0.35       8.9 +/-    0.35  0.030 / 0.020
G32     68.4           29.0                6.3 +/-    0.89      11.2 +/-    0.89  0.050 / 0.080