PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/31-23:27:50
G01     305.0          34.5                9.3 +/-    1.06      14.9 +/-    1.06  0.080 / 0.150
G10     108.1          39.2                9.8 +/-    1.00      14.4 +/-    1.00  0.070 / 0.160
G11     278.7          28.8                9.6 +/-    1.28      17.2 +/-    1.28  0.110 / 0.280
G14     4.1            65.4                8.0 +/-    0.80       8.8 +/-    0.80  0.100 / 0.280
G18     118.8          12.1                9.6 +/-    3.65      25.5 +/-    3.65  0.040 / 0.030
G22     310.1          26.7                7.8 +/-    1.60      14.7 +/-    1.60  0.030 / 0.040
G25     78.5           17.0                8.4 +/-    1.06      19.9 +/-    1.06  0.060 / 0.100
G31     172.9          64.2               11.3 +/-    0.96      12.4 +/-    0.96  0.060 / 0.100
G32     35.8           52.8                8.0 +/-    0.41       9.8 +/-    0.41  0.040 / 0.050