PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-07:12:50
G08     271.3          18.7                7.9 +/-    0.94      17.8 +/-    0.94  0.040 / 0.070
G10     57.0           59.3                5.8 +/-    1.02       6.6 +/-    1.02  0.050 / 0.050
G14     257.9          61.1                8.2 +/-    0.97       9.2 +/-    0.97  0.110 / 0.350
G18     313.7          29.3                6.7 +/-    2.67      12.0 +/-    2.67  0.100 / 0.320
G20     96.9           30.5                7.4 +/-    0.36      12.9 +/-    0.36  0.090 / 0.170
G21     154.5          18.0                8.5 +/-    2.67      19.7 +/-    2.67  0.110 / 0.220
G24     40.3           11.1                3.7 +/-    1.85      10.1 +/-    1.85  0.110 / 0.240
G27     233.3          17.2               10.8 +/-    1.74      25.5 +/-    1.74  0.100 / 0.230
G31     177.1          30.0               10.4 +/-    1.77      18.1 +/-    1.77  0.140 / 0.300
G32     338.6          74.8                7.4 +/-    0.49       7.6 +/-    0.49  0.150 / 0.350