PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/30-22:57:50
G01     42.6           18.6                7.3 +/-    3.42      16.7 +/-    3.42  0.140 / 0.350
G06     178.2          32.1               12.3 +/-    1.49      20.7 +/-    1.49  0.230 / 0.200
G13     239.8          24.7               11.3 +/-    2.38      22.2 +/-    2.38  0.100 / 0.270
G15     273.3          13.4                8.3 +/-    0.97      21.3 +/-    0.97  0.090 / 0.240
G17     358.1          72.5                9.6 +/-    0.41      10.0 +/-    0.41  0.040 / 0.040
G19     266.7          67.2               10.0 +/-    0.79      10.8 +/-    0.79  0.030 / 0.050
G24     316.9          17.8                8.1 +/-    2.49      18.9 +/-    2.49  0.040 / 0.030
G28     62.4           51.4                8.6 +/-    0.69      10.7 +/-    0.69  0.040 / 0.030
G30     153.4          30.2               12.3 +/-    1.34      21.4 +/-    1.34  0.070 / 0.110