PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-03:12:40
G08     311.4          18.0                8.6 +/-    2.06      19.9 +/-    2.06  0.080 / 0.080
G10     328.3          59.4                9.4 +/-    0.68      10.7 +/-    0.68  0.060 / 0.050
G14     217.3          26.5               13.0 +/-    2.85      24.6 +/-    2.85  0.030 / 0.030
G15     46.5           14.1                7.1 +/-    2.62      18.1 +/-    2.62  0.040 / 0.040
G20     4.5            65.0               16.3 +/-    0.77      17.8 +/-    0.77  0.130 / 0.310
G21     132.1          59.9               11.9 +/-    0.39      13.5 +/-    0.39  0.140 / 0.220
G24     75.1           29.6                9.1 +/-    1.12      16.1 +/-    1.12  0.070 / 0.060
G27     277.5          37.6               10.3 +/-    1.39      15.6 +/-    1.39  0.090 / 0.070
G32     221.5          52.3               11.8 +/-    1.47      14.5 +/-    1.47  0.120 / 0.170