PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-16:12:50
G02     86.4           10.6                8.7 +/-    1.86      24.1 +/-    1.86  0.040 / 0.080
G05     45.0           31.5                8.3 +/-    1.05      14.1 +/-    1.05  0.040 / 0.100
G13     97.2           34.7               11.8 +/-    1.71      18.8 +/-    1.71  0.150 / 0.240
G15     141.0          40.7               13.2 +/-    0.88      19.0 +/-    0.88  0.110 / 0.220
G18     233.3          31.0               11.6 +/-    1.98      20.0 +/-    1.98  0.040 / 0.040
G20     351.3          82.4                9.7 +/-    0.67       9.7 +/-    0.67  0.040 / 0.040
G21     301.4          40.5               10.0 +/-    0.74      14.5 +/-    0.74  0.070 / 0.090
G25     206.6          22.7               11.8 +/-    2.83      24.3 +/-    2.83  0.070 / 0.110
G26     306.3          17.1                7.9 +/-    1.74      18.8 +/-    1.74  0.040 / 0.090
G29     119.7          82.3               11.4 +/-    0.74      11.5 +/-    0.74  0.040 / 0.110