PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/18-00:42:50
G01     261.4          39.4               10.7 +/-    1.15      15.8 +/-    1.15  0.060 / 0.060
G03     316.5          34.6                7.2 +/-    0.97      11.5 +/-    0.97  0.050 / 0.050
G10     133.4          10.8                6.2 +/-    3.00      17.0 +/-    3.00  0.070 / 0.080
G11     243.0          16.3                8.0 +/-    1.70      19.2 +/-    1.70  0.080 / 0.100
G14     51.0           46.1                5.6 +/-    0.84       7.5 +/-    0.84  0.050 / 0.080
G18     225.5          33.5               10.4 +/-    1.90      16.9 +/-    1.90  0.040 / 0.070
G22     311.9          57.2                8.0 +/-    0.64       9.3 +/-    0.64  0.120 / 0.400
G25     43.9           12.1                4.4 +/-    1.61      11.8 +/-    1.61  0.090 / 0.370
G31     45.8           67.8                7.0 +/-    0.39       7.4 +/-    0.39  0.110 / 0.190
G32     70.4           27.6                5.2 +/-    0.83       9.5 +/-    0.83  0.120 / 0.240