PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-01:42:30
G02     231.5          72.8                8.4 +/-    0.30       8.7 +/-    0.30  0.060 / 0.090
G05     172.9          12.6                7.0 +/-    2.44      18.4 +/-    2.44  0.080 / 0.090
G06     42.2           67.9                7.4 +/-    0.42       7.9 +/-    0.42  0.050 / 0.070
G12     320.3          44.4                6.6 +/-    0.39       9.0 +/-    0.39  0.050 / 0.060
G17     67.5           23.8                5.6 +/-    1.04      11.2 +/-    1.04  0.030 / 0.040
G19     51.8           41.6                5.4 +/-    1.47       7.7 +/-    1.47  0.040 / 0.050
G24     248.2          37.1                8.7 +/-    0.99      13.3 +/-    0.99  0.220 / 0.310