PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/28-19:43:10
G07     331.4          57.3               12.7 +/-    0.54      14.7 +/-    0.54  0.040 / 0.040
G08     107.1          52.5               14.0 +/-    0.37      17.2 +/-    0.37  0.040 / 0.040
G09     195.6          74.9               12.3 +/-    0.96      12.7 +/-    0.96  0.090 / 0.100
G11     148.0          12.1               20.0 +/-    2.10      53.3 +/-    2.10  0.100 / 0.060
G23     154.2          39.0               12.9 +/-    0.84      19.1 +/-    0.84  0.040 / 0.040
G27     55.0           31.5               10.4 +/-    1.44      17.7 +/-    1.44  0.040 / 0.040
G28     237.2          29.6               14.5 +/-    1.15      25.6 +/-    1.15  0.090 / 0.160
G30     303.1          36.9               12.4 +/-    1.22      19.1 +/-    1.22  0.120 / 0.130