PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/28-02:27:50
G02     343.7          78.8                5.8 +/-    0.53       5.9 +/-    0.53  0.120 / 0.220
G05     163.9          32.9                9.8 +/-    1.36      16.1 +/-    1.36  0.170 / 0.210
G06     39.7           45.6                4.5 +/-    0.58       6.1 +/-    0.58  0.040 / 0.030
G12     314.4          67.0                6.2 +/-    0.69       6.7 +/-    0.69  0.030 / 0.030
G17     85.4           10.8                6.1 +/-    1.67      16.7 +/-    1.67  0.160 / 0.120
G19     73.5           27.9                5.4 +/-    1.61      10.0 +/-    1.61  0.130 / 0.120
G24     227.6          23.0                9.2 +/-    2.12      18.7 +/-    2.12  0.070 / 0.110
G25     317.0          29.2                5.3 +/-    1.65       9.4 +/-    1.65  0.050 / 0.080
G29     287.0          12.6                7.1 +/-    1.60      18.6 +/-    1.60  0.070 / 0.080