PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/05-18:58:00
G07     323.0          53.9               15.3 +/-    0.61      18.5 +/-    0.61  0.040 / 0.060
G08     117.5          49.5               17.5 +/-    1.06      22.3 +/-    1.06  0.030 / 0.050
G09     214.7          80.4               15.0 +/-    0.24      15.1 +/-    0.24  0.040 / 0.060
G16     45.0           11.7               11.2 +/-    4.87      30.1 +/-    4.87  0.060 / 0.060
G23     151.7          45.0               16.3 +/-    1.75      22.0 +/-    1.75  0.030 / 0.050
G27     61.4           34.3               14.2 +/-    1.61      22.8 +/-    1.61  0.040 / 0.040
G28     232.6          24.7               17.8 +/-    2.14      35.0 +/-    2.14  0.110 / 0.100
G30     297.9          32.7               13.0 +/-    1.42      21.6 +/-    1.42  0.120 / 0.120