PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-02:57:50
G08     270.9          20.0               10.0 +/-    1.21      21.9 +/-    1.21  0.480 / 0.270
G10     52.4           60.0                8.1 +/-    0.60       9.2 +/-    0.60  0.110 / 0.420
G14     255.6          61.8                9.0 +/-    0.39      10.1 +/-    0.39  0.150 / 0.200
G18     314.5          27.8                6.0 +/-    1.42      10.9 +/-    1.42  0.140 / 0.290
G20     62.8           63.0                9.2 +/-    0.80      10.1 +/-    0.80  0.060 / 0.050
G21     154.1          20.8                7.1 +/-    2.36      15.3 +/-    2.36  0.040 / 0.050
G24     41.0           12.1                5.8 +/-    0.88      15.5 +/-    0.88  0.330 / 0.300
G27     235.5          19.1               10.3 +/-    5.01      23.2 +/-    5.01  0.210 / 0.270
G31     177.7          27.3               10.5 +/-    1.95      19.4 +/-    1.95  0.100 / 0.210
G32     329.1          75.9                8.3 +/-    0.33       8.6 +/-    0.33  0.100 / 0.340