PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-22:12:50
G01     85.0           32.8               11.4 +/-    2.25      18.9 +/-    2.25  0.120 / 0.270
G07     129.3          42.2               14.1 +/-    0.94      19.8 +/-    0.94  0.180 / 0.220
G11     65.9           39.3               10.9 +/-    1.15      16.0 +/-    1.15  0.100 / 0.080
G13     289.9          36.8               11.3 +/-    1.79      17.4 +/-    1.79  0.060 / 0.100
G15     312.0          12.1                5.2 +/-   23.33      13.8 +/-   23.33  0.030 / 0.050
G17     218.7          53.8               13.3 +/-    1.25      16.0 +/-    1.25  0.030 / 0.060
G18     60.0           23.1               10.6 +/-    1.43      21.6 +/-    1.43  0.030 / 0.030
G19     216.8          30.6               14.5 +/-    2.10      25.0 +/-    2.10  0.030 / 0.030
G28     358.7          61.3               10.1 +/-    0.99      11.3 +/-    0.99  0.080 / 0.140
G30     118.4          70.1               12.3 +/-    0.59      13.0 +/-    0.59  0.080 / 0.130