PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-01:27:40
G08     290.8          21.7                8.2 +/-    0.72      17.3 +/-    0.72  0.090 / 0.140
G10     25.3           62.3                8.1 +/-    0.53       9.0 +/-    0.53  0.090 / 0.140
G14     235.3          51.0               13.2 +/-    1.36      16.4 +/-    1.36  0.050 / 0.080
G18     317.8          16.0                5.4 +/-    3.27      13.2 +/-    3.27  0.070 / 0.090
G20     74.2           48.6                9.0 +/-    0.59      11.5 +/-    0.59  0.040 / 0.120
G21     150.0          34.8               12.7 +/-    0.76      20.3 +/-    0.76  0.050 / 0.090
G24     51.2           22.8                8.4 +/-    0.70      17.2 +/-    0.70  0.140 / 0.280
G27     248.2          28.6                9.2 +/-    1.38      16.7 +/-    1.38  0.120 / 0.300
G31     181.4          13.1               16.9 +/-    1.60      44.0 +/-    1.60  0.030 / 0.040
G32     260.1          72.0               10.1 +/-    0.86      10.5 +/-    0.86  0.030 / 0.040