PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-22:12:30
G02     228.7          70.8               11.3 +/-    1.02      11.9 +/-    1.02  0.030 / 0.070
G05     173.3          11.8               17.1 +/-    3.64      45.9 +/-    3.64  0.030 / 0.060
G06     43.1           63.3               11.4 +/-    0.42      12.6 +/-    0.42  0.070 / 0.130
G12     321.4          47.2                9.8 +/-    1.38      12.8 +/-    1.38  0.060 / 0.110
G17     64.9           27.9                9.4 +/-    0.69      17.2 +/-    0.69  0.110 / 0.210
G19     49.5           43.8               10.4 +/-    0.84      14.3 +/-    0.84  0.140 / 0.240
G24     251.3          37.8               12.9 +/-    1.68      19.5 +/-    1.68  0.030 / 0.050