PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-00:12:30
G02     340.0          79.5                8.5 +/-    0.48       8.7 +/-    0.48  0.030 / 0.030
G05     163.9          32.7               12.9 +/-    1.25      21.4 +/-    1.25  0.040 / 0.020
G06     41.4           41.2                7.8 +/-    1.09      11.2 +/-    1.09  0.040 / 0.100
G12     313.7          70.0                9.6 +/-    0.36      10.1 +/-    0.36  0.060 / 0.080
G17     83.5           15.1                9.7 +/-    2.41      23.9 +/-    2.41  0.340 / 0.240
G19     72.7           29.5               10.1 +/-    1.49      17.8 +/-    1.49  0.160 / 0.210
G24     229.5          23.8               14.4 +/-    3.33      28.8 +/-    3.33  0.040 / 0.110
G25     317.6          26.6                9.6 +/-    1.23      18.1 +/-    1.23  0.080 / 0.060