PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-23:12:40
G01     42.0           17.7                9.6 +/-    3.39      22.3 +/-    3.39  0.110 / 0.210
G06     178.1          33.2               14.6 +/-    0.83      23.9 +/-    0.83  0.150 / 0.240
G13     238.8          23.9               13.8 +/-    2.91      27.7 +/-    2.91  0.120 / 0.210
G15     272.2          13.0               10.5 +/-    1.05      27.3 +/-    1.05  0.120 / 0.160
G17     1.0            71.5               10.4 +/-    0.47      10.9 +/-    0.47  0.030 / 0.050
G19     269.9          67.9               11.9 +/-    0.66      12.7 +/-    0.66  0.040 / 0.050
G24     316.6          18.8                7.3 +/-    2.53      16.6 +/-    2.53  0.040 / 0.030
G28     64.2           50.8               10.2 +/-    0.81      12.7 +/-    0.81  0.030 / 0.030
G30     153.7          29.1               14.0 +/-    1.10      24.9 +/-    1.10  0.060 / 0.100