PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-00:28:00
G02     337.8          79.8                8.6 +/-    0.72       8.8 +/-    0.72  0.030 / 0.030
G05     164.1          32.2               16.4 +/-    0.65      27.5 +/-    0.65  0.030 / 0.050
G06     41.2           41.9                9.1 +/-    0.73      12.8 +/-    0.73  0.050 / 0.090
G12     314.5          69.2                9.7 +/-    0.54      10.3 +/-    0.54  0.040 / 0.100
G17     82.9           15.7               12.3 +/-    1.95      30.1 +/-    1.95  0.030 / 0.030
G19     72.2           29.8               12.0 +/-    1.15      21.1 +/-    1.15  0.030 / 0.040
G24     230.1          24.3               13.6 +/-    1.41      27.1 +/-    1.41  0.100 / 0.160
G25     317.6          26.0                8.3 +/-    2.39      15.8 +/-    2.39  0.100 / 0.160