PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/07-23:43:00
G02     225.7          69.8               11.5 +/-    0.77      12.2 +/-    0.77  0.040 / 0.060
G05     173.8          10.5                1.1 +/-   38.41       3.0 +/-   38.41  0.030 / 0.070
G06     44.5           65.7               10.0 +/-    0.35      10.8 +/-    0.35  0.060 / 0.080
G12     320.9          44.5               10.3 +/-    1.15      14.0 +/-    1.15  0.050 / 0.100
G17     62.7           30.0                9.5 +/-    1.17      16.7 +/-    1.17  0.110 / 0.200
G19     48.0           44.6               11.1 +/-    0.36      15.0 +/-    0.36  0.160 / 0.250
G24     254.0          38.7               13.1 +/-    1.01      19.4 +/-    1.01  0.030 / 0.050