PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/15-19:27:50
G01     264.4          39.8               10.6 +/-    1.11      15.4 +/-    1.11  0.040 / 0.050
G03     316.5          35.1                7.6 +/-    1.40      12.0 +/-    1.40  0.040 / 0.050
G10     132.4          13.5               13.0 +/-    1.18      33.5 +/-    1.18  0.060 / 0.080
G11     247.8          18.3               10.7 +/-    1.43      24.7 +/-    1.43  0.060 / 0.100
G14     48.3           47.6                8.6 +/-    0.66      11.2 +/-    0.66  0.030 / 0.030
G22     312.8          56.4                9.1 +/-    0.72      10.6 +/-    0.72  0.030 / 0.040
G25     48.3           15.4                8.2 +/-    2.03      20.3 +/-    2.03  0.080 / 0.370
G26     145.3          28.8               13.1 +/-    1.29      23.4 +/-    1.29  0.090 / 0.340
G31     47.4           69.9                9.8 +/-    0.46      10.4 +/-    0.46  0.040 / 0.080
G32     68.4           29.5                8.9 +/-    0.56      15.7 +/-    0.56  0.040 / 0.110