PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/07-17:12:50
G01     289.8          40.3                7.3 +/-    1.08      10.6 +/-    1.08  0.040 / 0.060
G03     312.7          20.0                7.1 +/-    4.47      15.7 +/-    4.47  0.040 / 0.060
G10     120.4          28.5                8.0 +/-    0.54      14.5 +/-    0.54  0.060 / 0.080
G11     266.9          25.5                9.8 +/-    1.40      19.0 +/-    1.40  0.070 / 0.110
G14     23.4           59.1                7.0 +/-    0.76       8.0 +/-    0.76  0.030 / 0.030
G22     314.1          40.2                6.0 +/-    2.88       8.7 +/-    2.88  0.030 / 0.040
G25     66.5           19.1                7.5 +/-    0.74      16.9 +/-    0.74  0.040 / 0.090
G26     155.9          14.0                9.8 +/-    2.25      25.1 +/-    2.25  0.050 / 0.090
G31     121.9          79.4                9.7 +/-    0.64       9.8 +/-    0.64  0.220 / 0.310
G32     52.2           41.0                7.4 +/-    1.61      10.5 +/-    1.61  0.200 / 0.240