PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-01:27:50
G02     201.9          31.6                7.0 +/-    1.17      11.9 +/-    1.17  0.110 / 0.070
G06     172.8          60.9                6.4 +/-    0.51       7.3 +/-    0.51  0.120 / 0.080
G17     34.2           50.4                5.4 +/-    1.01       6.7 +/-    1.01  0.050 / 0.080
G19     351.0          67.5                5.2 +/-    0.87       5.6 +/-    0.87  0.050 / 0.080
G24     299.8          37.7                4.9 +/-    1.28       7.5 +/-    1.28  0.040 / 0.040
G28     96.6           36.7                6.5 +/-    1.29      10.0 +/-    1.29  0.040 / 0.030