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                9.7 +/-    0.36       9.9 +/-    0.36  0.040 / 0.040
G05     164.1          32.2               17.2 +/-    1.79      28.8 +/-    1.79  0.040 / 0.030
G06     41.2           41.9               10.1 +/-    0.93      14.2 +/-    0.93  0.060 / 0.080
G12     314.5          69.2               11.4 +/-    0.41      12.2 +/-    0.41  0.100 / 0.080
G17     82.9           15.7               13.2 +/-    2.36      32.2 +/-    2.36  0.340 / 0.440
G19     72.2           29.8               12.4 +/-    1.22      21.8 +/-    1.22  0.360 / 0.300
G24     230.1          24.3               14.8 +/-    2.29      29.4 +/-    2.29  0.100 / 0.080
G25     317.6          26.0               10.5 +/-    1.19      20.1 +/-    1.19  0.070 / 0.070