PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-17:42:50
G01     266.1          40.1                9.0 +/-    0.92      13.1 +/-    0.92  0.080 / 0.060
G03     316.5          35.2                8.2 +/-    1.00      12.9 +/-    1.00  0.080 / 0.070
G10     131.8          14.4                9.8 +/-    2.65      24.6 +/-    2.65  0.030 / 0.040
G11     249.8          18.8                8.6 +/-    2.12      19.5 +/-    2.12  0.020 / 0.030
G14     46.2           48.9                7.6 +/-    0.47       9.8 +/-    0.47  0.040 / 0.100
G22     313.2          56.2                8.0 +/-    1.47       9.4 +/-    1.47  0.050 / 0.080
G25     49.6           16.0                7.1 +/-    4.51      17.2 +/-    4.51  0.130 / 0.230
G26     145.3          28.1                9.6 +/-    2.55      17.5 +/-    2.55  0.200 / 0.170
G31     48.7           70.1                8.4 +/-    0.34       8.9 +/-    0.34  0.080 / 0.090
G32     67.6           29.8                8.5 +/-    1.23      14.9 +/-    1.23  0.080 / 0.080