PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/27-14:43:00
G01     317.0          22.2                4.7 +/-    2.26       9.8 +/-    2.26  0.140 / 0.310
G10     87.4           50.5                7.1 +/-    0.88       8.9 +/-    0.88  0.120 / 0.210
G11     300.9          23.3                4.1 +/-    0.69       8.4 +/-    0.69  0.040 / 0.040
G14     308.6          70.4                6.5 +/-    0.40       6.9 +/-    0.40  0.030 / 0.040
G22     303.8          16.1                3.8 +/-    4.13       9.1 +/-    4.13  0.230 / 0.310
G25     97.3           10.8               12.9 +/-    1.61      35.4 +/-    1.61  0.170 / 0.220
G31     173.7          48.8               11.2 +/-    0.49      14.3 +/-    0.49  0.030 / 0.040
G32     18.4           62.9                6.6 +/-    0.91       7.4 +/-    0.91  0.050 / 0.040