PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/13-01:12:30
G02     28.6           59.4               10.0 +/-    1.05      11.4 +/-    1.05  0.030 / 0.030
G05     145.1          57.6               12.6 +/-    0.40      14.6 +/-    0.40  0.020 / 0.030
G06     51.0           19.8                9.0 +/-    2.59      19.8 +/-    2.59  0.030 / 0.030
G12     208.4          73.7               11.1 +/-    0.44      11.5 +/-    0.44  0.030 / 0.030
G19     94.9           14.5               11.9 +/-    1.69      30.1 +/-    1.69  0.100 / 0.090
G25     304.9          48.7               10.4 +/-    3.58      13.3 +/-    3.58  0.060 / 0.110
G29     302.9          23.1                9.6 +/-    1.20      19.5 +/-    1.20  0.200 / 0.190