PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-04:43:00
G08     284.5          22.5                8.8 +/-    1.59      18.2 +/-    1.59  0.070 / 0.080
G10     27.4           62.7                5.6 +/-    2.07       6.2 +/-    2.07  0.160 / 0.130
G14     238.3          51.3               10.4 +/-    1.84      12.9 +/-    1.84  0.080 / 0.150
G18     317.4          17.2                6.5 +/-    2.62      15.2 +/-    2.62  0.130 / 0.160
G20     68.8           54.3                9.1 +/-    0.83      10.9 +/-    0.83  0.030 / 0.020
G21     150.6          32.3                7.1 +/-    0.72      11.9 +/-    0.72  0.020 / 0.020
G24     48.1           20.2                5.1 +/-    3.25      11.2 +/-    3.25  0.110 / 0.110
G27     245.4          26.6                8.7 +/-    1.98      16.4 +/-    1.98  0.120 / 0.100
G31     180.4          16.0                9.5 +/-    2.12      23.0 +/-    2.12  0.050 / 0.120
G32     275.6          75.5                7.6 +/-    0.49       7.8 +/-    0.49  0.060 / 0.090