PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/22-18:42:50
G01     274.6          41.2                9.5 +/-    0.88      13.5 +/-    0.88  0.060 / 0.050
G03     315.5          28.7                9.6 +/-    1.28      17.4 +/-    1.28  0.060 / 0.060
G10     128.2          19.6               11.9 +/-    0.61      26.5 +/-    0.61  0.060 / 0.110
G11     254.9          21.7               10.1 +/-    3.43      21.3 +/-    3.43  0.060 / 0.120
G14     39.3           52.2                8.4 +/-    0.63      10.3 +/-    0.63  0.050 / 0.080
G22     314.5          49.7               10.4 +/-    0.93      13.2 +/-    0.93  0.060 / 0.100
G25     55.2           17.7                8.5 +/-    0.61      19.7 +/-    0.61  0.020 / 0.030
G26     149.9          22.7               11.9 +/-    1.19      24.5 +/-    1.19  0.040 / 0.030
G31     62.7           76.5                9.0 +/-    0.77       9.2 +/-    0.77  0.060 / 0.080
G32     62.0           34.0                9.3 +/-    0.78      15.0 +/-    0.78  0.060 / 0.070