PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-01:28:10
G02     214.1          59.1                9.5 +/-    0.81      10.9 +/-    0.81  0.050 / 0.070
G06     77.9           80.5                7.8 +/-    0.48       7.9 +/-    0.48  0.050 / 0.080
G12     316.8          31.5                7.3 +/-    1.94      12.4 +/-    1.94  0.090 / 0.200
G17     56.3           32.3                6.0 +/-    2.72      10.0 +/-    2.72  0.100 / 0.190
G19     36.2           50.7                7.8 +/-    1.55       9.8 +/-    1.55  0.060 / 0.030
G24     265.7          42.3                9.1 +/-    1.76      12.8 +/-    1.76  0.040 / 0.040
G28     119.9          18.7                7.3 +/-    1.22      16.7 +/-    1.22  0.090 / 0.090