PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-00:12:40
G01     47.2           23.3                6.5 +/-    1.43      13.3 +/-    1.43  0.420 / 0.280
G06     180.2          24.1                8.9 +/-    2.84      17.8 +/-    2.84  0.120 / 0.250
G11     43.5           11.1                6.4 +/-    1.93      17.4 +/-    1.93  0.030 / 0.040
G13     246.3          29.0                7.4 +/-    1.68      13.2 +/-    1.68  0.040 / 0.050
G15     280.0          15.1                5.5 +/-    2.25      13.5 +/-    2.25  0.050 / 0.040
G17     339.6          77.1                7.4 +/-    0.66       7.6 +/-    0.66  0.040 / 0.040
G19     251.4          62.2                8.2 +/-    0.62       9.2 +/-    0.62  0.150 / 0.180
G24     318.2          12.6                5.5 +/-    1.61      14.6 +/-    1.61  0.080 / 0.190
G28     52.7           53.9                7.8 +/-    0.73       9.4 +/-    0.73  0.120 / 0.310
G30     151.1          37.8                9.2 +/-    0.80      13.9 +/-    0.80  0.110 / 0.280