PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-03:28:10
G02     220.0          65.3                4.0 +/-    0.96       4.4 +/-    0.96  0.070 / 0.160
G06     54.5           76.9                2.7 +/-    0.40       2.8 +/-    0.40  0.080 / 0.130
G12     318.8          37.4                2.1 +/-    1.96       3.2 +/-    1.96  0.060 / 0.050
G17     61.6           27.9                1.8 +/-    1.11       3.2 +/-    1.11  0.050 / 0.060
G19     43.0           47.0              -15.6 +/-    1.17     -20.4 +/-    1.17  0.050 / 0.080
G24     256.6          40.6                3.8 +/-    4.58       5.5 +/-    4.58  0.080 / 0.070
G28     124.3          13.6                3.3 +/-    1.78       8.6 +/-    1.78  0.150 / 0.320