PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/16-04:43:00
G08     265.4          17.2               11.0 +/-    1.66      25.8 +/-    1.66  0.280 / 0.360
G10     65.2           57.4                6.2 +/-    0.62       7.2 +/-    0.62  0.160 / 0.260
G11     310.0          18.5                7.6 +/-    2.66      17.2 +/-    2.66  0.180 / 0.340
G14     268.2          65.3                9.6 +/-    0.99      10.5 +/-    0.99  0.100 / 0.300
G18     311.3          33.3                6.1 +/-    1.17       9.9 +/-    1.17  0.090 / 0.200
G20     89.2           48.4               11.2 +/-    1.08      14.4 +/-    1.08  0.090 / 0.190
G21     155.3          14.1                5.0 +/-    1.79      12.7 +/-    1.79  0.040 / 0.050
G27     230.3          14.5               10.9 +/-    3.87      27.4 +/-    3.87  0.040 / 0.050
G31     176.1          34.4                8.0 +/-    1.36      12.8 +/-    1.36  0.130 / 0.210
G32     352.4          72.4                7.1 +/-    0.52       7.4 +/-    0.52  0.130 / 0.200