PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-21:13:10
G07     331.5          57.3               12.4 +/-    0.64      14.4 +/-    0.64  0.100 / 0.170
G08     105.0          52.3               14.2 +/-    0.79      17.5 +/-    0.79  0.100 / 0.130
G09     196.1          75.0               14.4 +/-    0.64      14.8 +/-    0.64  0.070 / 0.100
G11     148.6          11.9               16.7 +/-    4.81      44.6 +/-    4.81  0.060 / 0.090
G23     154.6          40.1               13.7 +/-    0.82      19.9 +/-    0.82  0.030 / 0.030
G27     54.9           31.4               10.4 +/-    1.42      17.7 +/-    1.42  0.030 / 0.040
G28     237.2          29.7               13.5 +/-    1.06      23.7 +/-    1.06  0.050 / 0.070
G30     303.7          37.7               12.2 +/-    1.02      18.5 +/-    1.02  0.070 / 0.060