PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-23:42:50
G01     270.9          40.9                7.5 +/-    1.25      10.7 +/-    1.25  0.040 / 0.070
G03     315.6          28.2                6.9 +/-    1.04      12.6 +/-    1.04  0.040 / 0.070
G10     129.7          17.8                9.6 +/-    1.18      22.4 +/-    1.18  0.090 / 0.260
G11     250.2          20.9                9.9 +/-    2.06      21.3 +/-    2.06  0.120 / 0.260
G14     44.2           49.5                6.7 +/-    0.64       8.5 +/-    0.64  0.050 / 0.080
G22     314.1          50.5                6.5 +/-    1.10       8.1 +/-    1.10  0.050 / 0.080
G25     51.5           16.3                5.2 +/-    1.21      12.6 +/-    1.21  0.020 / 0.030
G26     151.3          23.3               10.7 +/-    1.12      21.9 +/-    1.12  0.020 / 0.030
G31     60.5           78.1                8.2 +/-    0.77       8.3 +/-    0.77  0.040 / 0.070
G32     62.9           34.3                5.8 +/-    0.86       9.3 +/-    0.86  0.040 / 0.080