PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/06-14:12:40
G03     216.1          61.3                9.8 +/-    1.44      11.0 +/-    1.44  0.150 / 0.510
G07     253.5          12.0                6.1 +/-    2.18      16.2 +/-    2.18  0.130 / 0.520
G09     308.0          24.3                6.5 +/-    0.58      12.9 +/-    0.58  0.070 / 0.360
G14     105.2          12.5                8.7 +/-    1.61      22.8 +/-    1.61  0.110 / 0.370
G16     103.8          63.4                9.9 +/-    1.06      10.9 +/-    1.06  0.030 / 0.060
G22     185.5          42.8                9.7 +/-    2.90      13.5 +/-    2.90  0.030 / 0.050
G23     332.0          60.5                8.1 +/-    1.12       9.1 +/-    1.12  0.040 / 0.060
G26     56.5           44.9                7.4 +/-    0.84      10.0 +/-    0.84  0.040 / 0.040
G31     57.5           11.5                7.4 +/-    2.50      20.1 +/-    2.50  0.050 / 0.080