PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-15:12:40
G01     240.5          29.9               10.2 +/-    2.31      17.9 +/-    2.31  0.110 / 0.120
G03     311.9          56.5                7.8 +/-    2.00       9.1 +/-    2.00  0.120 / 0.120
G14     70.2           34.3                8.8 +/-    2.83      14.1 +/-    2.83  0.060 / 0.120
G18     211.5          18.8                9.7 +/-    2.48      21.9 +/-    2.48  0.060 / 0.110
G22     274.3          76.1                9.4 +/-    0.56       9.7 +/-    0.56  0.050 / 0.050
G23     293.4          24.5                9.4 +/-    1.01      18.7 +/-    1.01  0.050 / 0.040
G26     132.3          44.4               12.2 +/-    0.90      16.6 +/-    0.90  0.030 / 0.030
G31     40.3           51.1                8.1 +/-    1.06      10.0 +/-    1.06  0.030 / 0.020
G32     83.2           20.7                8.3 +/-    1.65      17.9 +/-    1.65  0.280 / 0.440