PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/23-03:28:10
G02     21.7           64.2                4.4 +/-    1.04       4.8 +/-    1.04  0.310 / 0.470
G05     152.7          51.1                6.8 +/-    0.72       8.5 +/-    0.72  0.230 / 0.350
G06     46.0           29.5                2.3 +/-    1.62       4.0 +/-    1.62  0.070 / 0.060
G12     250.1          78.7                4.6 +/-    0.82       4.7 +/-    0.82  0.060 / 0.070
G19     89.6           17.1                4.5 +/-    2.17      10.6 +/-    2.17  0.110 / 0.150
G24     214.7          10.5                5.2 +/-   13.03      14.2 +/-   13.03  0.120 / 0.170
G25     309.2          45.8                4.0 +/-    1.41       5.4 +/-    1.41  0.030 / 0.020
G29     301.1          24.5                4.8 +/-    1.43       9.5 +/-    1.43  0.030 / 0.020