PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/28-00:12:30
G02     28.6           59.3               10.6 +/-    0.65      12.1 +/-    0.65  0.030 / 0.030
G05     144.7          58.1               14.4 +/-    0.86      16.6 +/-    0.86  0.020 / 0.030
G06     51.3           19.0                8.5 +/-    1.21      19.2 +/-    1.21  0.030 / 0.050
G12     205.2          72.8               12.6 +/-    0.85      13.2 +/-    0.85  0.030 / 0.040
G19     95.3           14.4               11.3 +/-    1.31      28.5 +/-    1.31  0.060 / 0.050
G25     304.2          49.3               10.6 +/-    0.48      13.5 +/-    0.48  0.060 / 0.070
G29     303.2          23.3               10.4 +/-    1.49      21.1 +/-    1.49  0.090 / 0.210