PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-20:58:10
G07     49.4           68.2                9.7 +/-    0.42      10.3 +/-    0.42  0.090 / 0.150
G08     54.1           42.1                9.0 +/-    0.73      12.6 +/-    0.73  0.090 / 0.130
G09     179.1          42.8               12.3 +/-    1.59      17.1 +/-    1.59  0.060 / 0.100
G11     122.2          32.8               12.9 +/-    1.34      21.3 +/-    1.34  0.050 / 0.100
G17     198.5          11.0               -1.3 +/-   30.34      -3.6 +/-   30.34  0.050 / 0.050
G18     105.6          13.9               12.9 +/-    1.80      32.8 +/-    1.80  0.050 / 0.050
G23     161.0          14.0               14.4 +/-    1.21      36.8 +/-    1.21  0.110 / 0.310
G27     38.8           13.6                6.6 +/-    1.41      17.0 +/-    1.41  0.140 / 0.330
G28     264.5          46.7               11.5 +/-    1.25      15.1 +/-    1.25  0.020 / 0.040
G30     327.1          56.4                9.6 +/-    0.64      11.3 +/-    0.64  0.030 / 0.040