PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/17-00:42:30
G02     21.9           64.5                9.9 +/-    0.34      10.8 +/-    0.34  0.030 / 0.030
G05     151.9          51.7               15.4 +/-    0.80      19.0 +/-    0.80  0.030 / 0.030
G06     48.1           24.5                8.9 +/-    1.32      17.6 +/-    1.32  0.030 / 0.050
G12     230.0          78.6               10.5 +/-    0.59      10.7 +/-    0.59  0.030 / 0.050
G19     89.8           18.2               12.4 +/-    0.61      28.5 +/-    0.61  0.040 / 0.060
G24     215.9          10.8               17.0 +/-    4.07      46.7 +/-    4.07  0.030 / 0.050
G25     310.3          43.7               10.7 +/-    0.69      14.7 +/-    0.69  0.140 / 0.190
G29     298.5          18.9               10.7 +/-    1.27      24.3 +/-    1.27  0.120 / 0.240