PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-20:58:00
G07     48.1           68.2               11.5 +/-    0.94      12.2 +/-    0.94  0.030 / 0.040
G08     54.5           42.4                9.6 +/-    0.86      13.5 +/-    0.86  0.030 / 0.040
G09     179.2          43.3               12.8 +/-    1.04      17.6 +/-    1.04  0.170 / 0.120
G11     122.6          32.5               12.2 +/-    1.33      20.3 +/-    1.33  0.150 / 0.100
G17     198.4          10.5               -4.8 +/-   20.54     -13.2 +/-   20.54  0.050 / 0.040
G18     106.0          13.7               12.6 +/-    2.08      32.4 +/-    2.08  0.060 / 0.070
G23     161.0          14.4               14.0 +/-    1.34      35.3 +/-    1.34  0.310 / 0.250
G27     39.0           13.9                8.2 +/-    3.42      20.8 +/-    3.42  0.230 / 0.130
G28     263.9          46.4               12.5 +/-    4.79      16.6 +/-    4.79  0.140 / 0.320
G30     326.6          56.1               11.3 +/-    0.61      13.3 +/-    0.61  0.140 / 0.310