PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-00:12:40
G01     41.3           16.9                5.4 +/-    0.86      12.8 +/-    0.86  0.120 / 0.170
G06     178.5          33.8               10.0 +/-    1.84      16.2 +/-    1.84  0.150 / 0.180
G13     237.8          23.1                8.8 +/-    3.22      17.9 +/-    3.22  0.040 / 0.040
G15     271.3          12.6                8.3 +/-    1.51      21.8 +/-    1.51  0.040 / 0.040
G17     4.3            70.3                8.3 +/-    0.78       8.8 +/-    0.78  0.060 / 0.090
G19     272.8          68.3                6.9 +/-    0.69       7.3 +/-    0.69  0.080 / 0.090
G24     316.1          20.1                7.0 +/-    1.38      15.4 +/-    1.38  0.040 / 0.060
G28     66.2           50.1                7.2 +/-    1.00       9.1 +/-    1.00  0.040 / 0.060
G30     154.2          28.3                8.7 +/-    1.28      15.8 +/-    1.28  0.080 / 0.270