PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-04:42:30
G02     33.0           55.2                2.5 +/-    0.71       2.9 +/-    0.71  0.030 / 0.030
G05     139.3          61.5                3.9 +/-    0.62       4.4 +/-    0.62  0.030 / 0.030
G06     51.3           21.3                1.7 +/-    2.51       3.6 +/-    2.51  0.040 / 0.050
G12     206.9          71.0                3.5 +/-    0.48       3.6 +/-    0.48  0.090 / 0.050
G19     98.7           10.5                5.3 +/-    2.66      14.7 +/-    2.66  0.140 / 0.290
G25     296.3          54.6                1.8 +/-    2.41       2.1 +/-    2.41  0.190 / 0.300
G29     309.1          31.8                3.4 +/-    1.72       5.7 +/-    1.72  0.030 / 0.020